file
stringlengths 18
26
| data
stringlengths 2
1.05M
|
|---|---|
the_stack_data/26699283.c
|
#include<stdio.h>
int prime[1000001];
int check[1000001];
int k=1;
int genprime(int n)
{
long long int i,j,z;
for(i=3;i<n;i+=2)
{
if(check[i]!=1)
{
prime[k++]=i;
z=i;
j=i;
while(z<=n)
{
check[z]=1;
z=j*i;
j+=2;
}
}
}
return k;
}
int tazo[10001];
struct item
{
int root;
int wt;
int count;
};
struct item a[10001];
int find(int i)
{
if(a[i].root==i)
return i;
else
return a[i].root=find(a[i].root);
}
void unionset(int x,int y)
{
if(a[y].count>a[x].count)
{
a[x].root=y;
a[y].wt+=a[x].wt;
a[y].count+=a[x].count;
}
else
{
a[y].root=x;
a[x].wt+=a[y].wt;
a[x].count+=a[y].count;
}
}
long long int m;
int main()
{
int t,n,i,j,k,p,s,e,x,y,c,ans,f,d;
for(i=0;i<100;i++)
check[i]=0;
prime[0]=2;
c=genprime(1000000);
// printf("%d\n",prime[c-1]);
// printf("%d\n",c);
// for(i=0;i<c;i++)
// printf("%d ",prime[i]);
// printf("\n");
scanf("%d",&t);
while(t--)
{
scanf("%d %lld %d",&n,&m,&p);
for(i=1;i<=n;i++)
{
scanf("%d",&tazo[i]);
a[i].root=i;
a[i].wt=tazo[i];
a[i].count=1;
}
for(i=0;i<m;i++)
{
scanf("%d %d",&s,&e);
x=find(s);
y=find(e);
// printf("%d %d\n",x,y);
if(x!=y)
{
unionset(x,y);
}
}
ans=0;
for(i=1;i<=n;i++)
{
// printf("%d %d %d %d\n",i,a[i].root,a[i].wt,a[i].count);
if(a[i].root==i)
{
f=0;
d=(a[i].wt+p);
for(j=0;j<c;j++)
{
if(d==prime[j])
{
f=1;
break;
}
}
// printf("f : %d\n",f);
if(f==1)
{
ans++;
}
}
}
printf("%d\n",ans);
}
return 0;
}
|
the_stack_data/18949.c
|
#include<math.h>
int main()
{
double f, f2;
// the following rely on f not being a NaN or Infinity
__ESBMC_assume(!isnan(f2));
__ESBMC_assume(!isinf(f2));
f=f2;
// addition
assert(100.0+10==110);
assert(0+f==f);
assert(f+0==f);
assert(100+0.5==100.5);
assert(0.0+0.0+f==f);
// subtraction
assert(100.0-10==90);
assert(0-f==-f);
assert(f-0==f);
assert(100-0.5==99.5);
assert(0.0-0.0-f==-f);
// unary minus
assert(-(-100.0)==100);
assert(-(1-2.0)==1);
assert(-(-f)==f);
// multiplication
assert(100.0*10==1000);
assert(0*f==0);
assert(f*0==0);
assert(100*0.5==50);
assert(f*1==f);
assert(1*f==f);
assert(1.0*1.0*f==f);
// division
assert(100.0/1.0==100);
assert(100.1/1.0==100.1);
assert(100.0/2.0==50);
assert(100.0/0.5==200);
assert(0/1.0==0);
assert(f/1.0==f);
// conversion
assert(((double)(float)100)==100.0);
assert(((unsigned int)100.0)==100.0);
assert(100.0);
assert(!0.0);
assert((int)0.5==0);
assert((int)0.49==0);
assert((int)-1.5==-1);
assert((int)-10.49==-10);
// relations
assert(1.0<2.5);
assert(1.0<=2.5);
assert(1.01<=1.01);
assert(2.5>1.0);
assert(2.5>=1.0);
assert(1.01>=1.01);
assert(!(1.0>=2.5));
assert(!(1.0>2.5));
assert(1.0!=2.5);
}
|
the_stack_data/71083.c
|
#include <stdio.h>
#include <stdlib.h>
int main()
{
char *s = " 17 25 ";
char *test;
int con = strtol(s, &test, 10);
int con1 = strtol(test, &test, 10);
printf("The value of con and con1: %d, %d\n", con, con1);
}
|
the_stack_data/20449271.c
|
/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/wait.h>
#ifdef LOSCFG_QUICK_START
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#define QUICKSTART_IOC_MAGIC 'T'
#define QUICKSTART_INITSTEP2 _IO(QUICKSTART_IOC_MAGIC, 0)
#define WAIT_FOR_SAMPLE 300000 // wait 300ms for sample
#endif
int main(int argc, char * const *argv)
{
(void)argv;
int ret;
pid_t gid;
const char *shellPath = "/bin/mksh";
#ifdef LOSCFG_QUICK_START
const char *samplePath = "/dev/shm/sample_quickstart";
ret = fork();
if (ret < 0) {
printf("Failed to fork for sample_quickstart\n");
} else if (ret == 0) {
(void)execve(samplePath, NULL, NULL);
exit(0);
}
usleep(WAIT_FOR_SAMPLE);
int fd = open("/dev/quickstart", O_RDONLY);
if (fd != -1) {
ioctl(fd, QUICKSTART_INITSTEP2);
close(fd);
}
#endif
ret = fork();
if (ret < 0) {
printf("Failed to fork for shell\n");
} else if (ret == 0) {
gid = getpgrp();
if (gid < 0) {
printf("get group id failed, pgrpid %d, errno %d\n", gid, errno);
exit(0);
}
ret = tcsetpgrp(STDIN_FILENO, gid);
if (ret != 0) {
printf("tcsetpgrp failed, errno %d\n", errno);
exit(0);
}
(void)execve(shellPath, NULL, NULL);
exit(0);
}
while (1) {
ret = waitpid(-1, 0, WNOHANG);
if (ret == 0) {
sleep(1);
}
};
}
|
the_stack_data/136836.c
|
/* file: es9A.c
* job: N pipe, N+1 processi figli, da figlio a figlio in ordine inverso
*/
#include <unistd.h>
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/wait.h>
typedef int pipe_t[2];
char msg[256];
char ch;
pipe_t *pipes;
int figlio(int arg, int ultimo);
int main(int argc, char **argv) {
int npipe;
int nfigli;
pid_t pid;
int i,j;
if (argc<2) { /* controllo num args */
snprintf(msg,sizeof(msg),
"Uso: %s N\n",argv[0]);
write(2,msg,strlen(msg));
return(1);
}
nfigli=atoi(argv[1]);
if (nfigli<=1) { /* controllo N */
snprintf(msg,sizeof(msg),
"N(%d) non valido\n",nfigli);
write(2,msg,strlen(msg));
return(1);
}
npipe=nfigli-1;
pipes = malloc(sizeof(pipe_t)*npipe);
if (pipes==NULL) { /* controllo malloc */
snprintf(msg,sizeof(msg),
"Allocazione fallita\n");
write(2,msg,strlen(msg));
return(1);
}
for (i=0; i<npipe; i++) { /* per ogni pipe */
/* creo la coppia di fds */
if (pipe(pipes[i])!=0) { /* errore */
snprintf(msg,sizeof(msg),
"pipe fallita in %d\n",i);
write(2,msg,strlen(msg));
return(1);
}
}
for (i=0; i<nfigli; i++) { /* per ogni figlio */
pid=fork(); /* lo creo */
switch(pid) {
case 0: /* ogni figlio esegue la funzione
e termina. Prima della chiamata chiudo i fd
che il figlio non deve usare */
for (j=0; j<npipe; j++) {
if (j!=(i-1)) { /* figlio[i] scrive su pipe[i-1] */
close(pipes[j][1]);
}
if (j!=i) { /* e legge da pipe[i] */
close(pipes[j][0]);
}
}
return(figlio(i,nfigli-1));
case -1:
snprintf(msg,sizeof(msg),
"fork() fallita in %d\n",i);
write(2,msg,strlen(msg));
return(1);
}
}
/* solo il padre arriva qui */
for (i=0; i<npipe; i++) { /* per tutte le pipe */
close(pipes[i][0]); /* il padre non legge, chiudo il fd di lett*/
close(pipes[i][1]); /* e non scrive, chiudo il fd di scrittura */
}
/* volendo, posso attendere i figli per recuperare gli exit value */
for (i=0; i<nfigli; i++) {
wait(NULL);
}
return(0);
}
/* funzione figlio */
int figlio(int arg, int ultimo) {
int nr,nw;
if (arg!=ultimo) { /* F[N-1] non deve attendere */
nr=read(pipes[arg][0],&ch,1);
/* read bloccante */
if (nr!=1) {
snprintf(msg,sizeof(msg),
"Figlio con indice %d ottiene %d da read\n",arg,nr);
write(2,msg,strlen(msg));
return(1);
}
}
/* se qui, ho ricevuto l'ok e stampo il mio pid */
snprintf(msg,sizeof(msg),"Figlio con pid %d\n",getpid());
write(1,msg,strlen(msg));
/* ora do il via al figlio successivo a meno che questo non sia
* il primo figlio */
if (arg!=0) {
nw=write(pipes[arg-1][1],&ch,1);
if (nw!=1) {
snprintf(msg,sizeof(msg),
"Figlio con indice %d ottiene %d da write\n",arg,nw);
write(2,msg,strlen(msg));
return(1);
}
}
return(0);
}
|
the_stack_data/18888302.c
|
// PR c++/95344 - bogus -Wparentheses warning.
// { dg-do compile }
// { dg-options "-Wparentheses" }
#ifndef __cplusplus
# define bool _Bool
# define true 1
# define false 0
#endif
void
f (int i)
{
bool b = false;
if (i == 99 ? (b = true) : false) // { dg-bogus "suggest parentheses" }
{
}
}
|
the_stack_data/176707033.c
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_putchar.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jodufour <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/02/05 10:38:47 by jodufour #+# #+# */
/* Updated: 2022/02/05 13:12:55 by jodufour ### ########.fr */
/* */
/* ************************************************************************** */
/*
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
*/
|
the_stack_data/206393783.c
|
/*
$** EPITECH PROJECT, 2017
** alphanum
** File description:
** alphanum
*/
int my_is_alphanum(char c)
{
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')
|| (c >= '0' && c <= '9') || c == '_'
|| c == '.' || c == '/')
return (0);
else
return (1);
return (0);
}
|
the_stack_data/11076484.c
|
/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <spawn.h>
#include <string.h>
/* Get process group ID from the attribute structure. */
int
posix_spawnattr_getpgroup (const posix_spawnattr_t *attr, pid_t *pgroup)
{
/* Copy the process group ID. */
*pgroup = attr->__pgrp;
return 0;
}
|
the_stack_data/1119427.c
|
// ๆญค็จๅบ่ฎก็ฎๆๅคฉ็ๆฅๆ
#include <stdio.h>
#include <stdbool.h>
struct date
{
int month;
int day;
int year;
};
// ๆญคๅฝๆฐ่ฎก็ฎๆๅคฉ็ๆฅๆ
struct date dateUpdate (struct date today)
{
struct date tomorrow;
int numberOfDays (struct date d);
if (today.day != numberOfDays(today)) {
tomorrow.day = today.day + 1;
tomorrow.month = today.month;
tomorrow.year = today.year;
}
else if (today.month == 12) {
tomorrow.day = 1;
tomorrow.month = 1;
tomorrow.year = today.year + 1;
}
else {
tomorrow.day = 1;
tomorrow.month = today.month + 1;
tomorrow.year = today.year;
}
return tomorrow;
}
// ๆญคๅฝๆฐ่ฎก็ฎไธไธชๆไปฝไธญ็ๅคฉๆฐ
int numberOfDays (struct date d)
{
int days;
bool isLeapYear(struct date d);
const int daysPerMonth[12] = {
31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
};
if (isLeapYear(d) && d.month == 2) {
days = 29;
}
else {
days = daysPerMonth[d.month - 1];
}
return days;
}
// ๆญคๅฝๆฐๅคๆญๆฏๅฆไธบ้ฐๅนด
bool isLeapYear (struct date d)
{
bool leapYearFlag;
if ((d.year % 100 != 0 && d.year % 4 == 0) || d.year % 400 == 0)
leapYearFlag = true;
else
leapYearFlag = false;
return leapYearFlag;
}
int main (void)
{
struct date dateUpdate(struct date d);
struct date thisDay, nextDay;
printf("Enter today's date (mm dd yyyy): ");
scanf ("%i%i%i", &thisDay.month, &thisDay.day, &thisDay.year);
nextDay = dateUpdate(thisDay);
printf("Tomorrow's date is %i/%i/%.2i\n", nextDay.month, nextDay.day, nextDay.year);
return 0;
}
|
the_stack_data/141338.c
|
#include <stdlib.h>
void towerOfHanoi(int n, char from_rod,char to_rod, char spare_rod)
{
if (n == 1)
{
printf("Move disk 1 from rod %c to rod %c \n",from_rod,to_rod);
return;
}
towerOfHanoi(n - 1, from_rod, spare_rod, to_rod);
printf("Move disk %d from rod %c to rod %c \n",n,from_rod,to_rod);
towerOfHanoi(n - 1, spare_rod, to_rod, from_rod);
}
int main()
{
int n ;
printf("Enter no. of disks : "); // Number of disks
scanf("%d",&n);
towerOfHanoi(n, 'A', 'C', 'B'); //names of rods are A,B&C
return 0;
}
|
the_stack_data/49689.c
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lteresia <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/04 19:01:03 by lteresia #+# #+# */
/* Updated: 2021/10/04 20:52:03 by lteresia ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
void *ft_memcpy(void *dst, const void *src, size_t n)
{
size_t i;
if (!dst && !src)
return (NULL);
i = 0;
while (i < n)
{
((unsigned char *) dst)[i] = ((unsigned char *) src)[i];
i++;
}
return (dst);
}
|
the_stack_data/234518925.c
|
#include <stdio.h>
int main()
{
//lendo 5 valores
int vetor[5], i = 0, M, m, pM, pm;
for(i = 0; i < 5; i++){
printf("Digite valor %d: ", i);
scanf("%d", &vetor[i]);
}
//Descobrindo maior e menor
M = vetor[0];
m = vetor[0];
for(i = 0; i < 5; i++){
if( M <= vetor[i]){
pM = i;
}
if( m >= vetor[i]){
pm = i;
}
}
printf("\nMaior valor na posicao: %d", pM);
printf("\nMenor valor na posicao: %d", pm);
return 0;
}
|
the_stack_data/48501.c
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strchr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: zkubli <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/09/18 13:08:13 by zkubli #+# #+# */
/* Updated: 2019/09/20 10:49:32 by zkubli ### ########.fr */
/* */
/* ************************************************************************** */
char *ft_strchr(const char *s, int c)
{
while (*s)
if (*s == c)
return ((char *)(s));
else
s++;
if (c == '\0')
return ((char *)(s));
return (0);
}
|
the_stack_data/7950836.c
|
#include <stdio.h>
void say_hello() {
printf("hello world\n");
}
int main(int argc, char **argv) {
say_hello();
}
|
the_stack_data/22013641.c
|
#include <stdio.h>
int main() {
printf("Exercise 2 : Cercle\n");
float a,b,c,pi=3.14159265; // a : radius
printf("Enter radius : ");
scanf("%f", &a);
b = 2*a*pi; // Perimeter
c = a*a*pi; // Area
printf("Perimeter : %.5f\nArea : %.5f\n\n", b,c); // %.5f : 5 decimals for a float number
return (0);
}
|
the_stack_data/263586.c
|
unsigned char scdboot_eu[0x56e] = {
0x43,0xfa,0x00,0x0a,0x4e,0xb8,0x03,0x64,0x60,0x00,0x05,0x64,0x60,0x0f,0x00,0x00
,0x00,0x00,0x0c,0x22,0x0e,0x44,0x0e,0x66,0x0e,0x88,0x0e,0xee,0x0a,0xaa,0x08,0x88
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,0xef,0x01,0xe0,0x80,0xc1,0x0f,0xe0,0x40,0xc1,0x34,0xf2,0xf2,0x32,0x01,0x01,0x01
,0x01,0x3f,0x1f,0x1f,0x1f,0x19,0x06,0x04,0x07,0x08,0x05,0x05,0x04,0x19,0x19,0x19
,0x19,0x11,0x89,0x18,0x87,0x04,0x37,0x72,0x77,0x49,0x1f,0x1f,0x1f,0x1f,0x07,0x0a
,0x07,0x0d,0x00,0x0b,0x00,0x0b,0x1f,0x0f,0x1f,0x0f,0x23,0x80,0x23,0x80
};
// vim: ts=2 sw=2 sts=2 et
|
the_stack_data/1193670.c
|
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
//open
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
int main(int argc, char *argv[]) {
if (argc != 2) {
printf("Introduce la ruta del fichero\n");
printf("Usage: %s <filename>\n", argv[0]);
return -1;
}
printf("argv[0]: %s, argv[1]: %s\n", argv[0], argv[1]);
int oldfd = 1;
int newfd = open(argv[1], O_CREAT | O_TRUNC | O_RDWR, 0777);
if (newfd == -1) {
printf("Error open() %d: %s\n", errno, strerror(errno));
return -1;
}
if (dup2(newfd, oldfd) == -1) {
printf("Error dup2 %d: %s\n", errno, strerror(errno));
return -1;
}
printf("Hola\n");
printf("Esto es una prueba\n");
close(newfd);
return 0;
}
|
the_stack_data/22210.c
|
/* Copyright ยฉ 2000 ACME, Inc., All Rights Reserved */
|
the_stack_data/198581657.c
|
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <dlfcn.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include <pthread.h>
#include <stdint.h>
#include <sys/uio.h>
#define NS_IN_SEC 1000000000
// % of a second we can spend in IO
static double quota_fraction;
// Estimate how long we need to nanosleep() for us to maintain our given DTF
static inline uint64_t estimate_wait_for_resources(
const uint64_t resources_needed) {
return resources_needed / quota_fraction - resources_needed;
}
// Sleep for the specified period of time
static inline void throttle_sleep(uint64_t nsecs) {
struct timespec sleep_time;
sleep_time.tv_sec = nsecs / NS_IN_SEC;
sleep_time.tv_nsec = nsecs % NS_IN_SEC;
while (clock_nanosleep(CLOCK_MONOTONIC, 0, &sleep_time, &sleep_time));
}
// Calculate the elapsed ns between the two timespecs
static inline uint64_t elapsed_ns(
const struct timespec * const ts_start,
const struct timespec * const ts_finish) {
return (ts_finish->tv_sec - ts_start->tv_sec) * NS_IN_SEC
+ (ts_finish->tv_nsec - ts_start->tv_nsec);
}
// Operations to perform after all intercepted IO goes here.
static inline void post_io_teardown(
const struct timespec * const ts_start) {
struct timespec ts_finish;
clock_gettime(CLOCK_MONOTONIC, &ts_finish);
static __thread int64_t bank = 0;
uint64_t sleep_time = estimate_wait_for_resources(
elapsed_ns(ts_start, &ts_finish));
bank -= sleep_time;
if (bank < 0) {
struct timespec sleep_start, sleep_finish;
clock_gettime(CLOCK_MONOTONIC, &sleep_start);
throttle_sleep(-bank);
clock_gettime(CLOCK_MONOTONIC, &sleep_finish);
bank += elapsed_ns(&sleep_start, &sleep_finish);
}
}
// ================================
// BEGINNING OF FUNCTION INTERCEPTS
// ================================
static ssize_t (*libc_write)(int fd, const void *buf, size_t len);
ssize_t write(int fd, const void *buf, size_t len) {
ssize_t ret;
struct timespec ts_start;
clock_gettime(CLOCK_MONOTONIC, &ts_start);
ret = (*libc_write)(fd, buf, len);
post_io_teardown(&ts_start);
return ret;
}
static ssize_t (*libc_pwrite)(int fd, const void *buf, size_t nbytes,
off_t offset);
ssize_t pwrite(int fd, const void *buf, size_t nbytes, off_t offset) {
ssize_t ret;
struct timespec ts_start;
clock_gettime(CLOCK_MONOTONIC, &ts_start);
ret = (*libc_pwrite)(fd, buf, nbytes, offset);
post_io_teardown(&ts_start);
return ret;
}
static ssize_t (*libc_writev)(int fd, const struct iovec *iov, int iovcnt);
ssize_t writev(int fd, const struct iovec *iov, int iovcnt) {
ssize_t ret;
struct timespec ts_start;
clock_gettime(CLOCK_MONOTONIC, &ts_start);
ret = (*libc_writev)(fd, iov, iovcnt);
post_io_teardown(&ts_start);
return ret;
}
static ssize_t (*libc_read)(int fd, void *buf, size_t nbytes);
ssize_t read(int fd, void *buf, size_t nbytes) {
ssize_t ret;
struct timespec ts_start;
clock_gettime(CLOCK_MONOTONIC, &ts_start);
ret = (*libc_read)(fd, buf, nbytes);
post_io_teardown(&ts_start);
return ret;
}
static ssize_t (*libc_pread)(int fd, void *buf, size_t nbytes,
off_t offset);
ssize_t pread(int fd, void *buf, size_t nbytes, off_t offset) {
ssize_t ret;
struct timespec ts_start;
clock_gettime(CLOCK_MONOTONIC, &ts_start);
ret = (*libc_pread)(fd, buf, nbytes, offset);
post_io_teardown(&ts_start);
return ret;
}
static ssize_t (*libc_readv)(int fd, const struct iovec *iov, int iovcnt);
ssize_t readv(int fd, const struct iovec *iov, int iovcnt) {
ssize_t ret;
struct timespec ts_start;
clock_gettime(CLOCK_MONOTONIC, &ts_start);
ret = (*libc_readv)(fd, iov, iovcnt);
post_io_teardown(&ts_start);
return ret;
}
// ==========================
// END OF FUNCTION INTERCEPTS
// ==========================
// Initialize all necessary variables.
void _init() {
libc_write = dlsym(RTLD_NEXT, "write");
libc_pwrite = dlsym(RTLD_NEXT, "pwrite");
libc_writev = dlsym(RTLD_NEXT, "writev");
libc_read = dlsym(RTLD_NEXT, "read");
libc_pread = dlsym(RTLD_NEXT, "pread");
libc_readv = dlsym(RTLD_NEXT, "readv");
char * fraction = getenv("QUOTA_FRACTION");
if (fraction == NULL) {
fprintf(stderr,
"You must provide a environment variable QUOTA_FRACTION\n");
exit(1);
}
quota_fraction = atof(fraction);
if (quota_fraction <= 0.0 || quota_fraction > 1.0) {
fprintf(stderr, "Invalid QUOTA_FRACTION\n");
exit(1);
}
}
|
the_stack_data/23198.c
|
/*
* Check if the binary representation of an integer is palindrome.
* For example the binary representation of the integer '0xFE00007F;,
* is a palindrome while the binary representation of the number '16000'
* is not a palindrome.
*/
#include<stdio.h>
#include<assert.h>
#include<stdbool.h>
#define BITS_PER_BYTE 8
/*
* This function returns 'true' if the binary reprsentation of a
* number is a palindrome and 'false' otherwise. The time complexity
* of this function is O(log(n)) and the space complexity of this
* function is O(1).
*/
bool if_binary_representation_num_is_palindrome (int num)
{
int left, right;
int left_val, right_val;
int bit_size = sizeof(num) * BITS_PER_BYTE; /* calculate the number
bits in the number */
/*
* Set 'left' to the most significant bit in the number
*/
left = bit_size - 1;
/*
* Set 'right' to the least significant bit in the number
*/
right = 0;
/*
* Iterate until the 'left' index is less than 'right' index
*/
while (left > right) {
/*
* Get the left indexed bit
*/
left_val = num & (1 << left);
/*
* Get the right indexed bit
*/
right_val = num & (1 << right);
/*
* If there is a mismatch between the values of left indexed bit
* and right indexed bit, then return 'false'.
*/
if ((left_val != 0) && (right_val == 0)) {
return(false);
} else if ((left_val == 0) && (right_val != 0)) {
return(false);
}
/*
* Decrement the left index
*/
--left;
/*
* Increment the right index
*/
++right;
}
/*
* Return 'true' in case the binary representatio of the number
* is palindrome.
*/
return(true);
}
int main ()
{
/*
* Test 0: Zero's binary representation is palindromic.
*/
assert(true == if_binary_representation_num_is_palindrome(0));
/*
* Test 1: One's binary representation is not palindromic.
*/
assert(false == if_binary_representation_num_is_palindrome(1));
/*
* Test 2: Test few cases when the binary representation of the number
* is palindromic.
*/
assert(true == if_binary_representation_num_is_palindrome(0xffffffff));
assert(true == if_binary_representation_num_is_palindrome(0xe0e00707));
assert(true == if_binary_representation_num_is_palindrome(0x80800101));
assert(true == if_binary_representation_num_is_palindrome(0x10100808));
/*
* Test 3: Test few cases when the binary representation of the number
* is not palindromic.
*/
assert(false == if_binary_representation_num_is_palindrome(0x0000ffff));
assert(false == if_binary_representation_num_is_palindrome(0x70700707));
return(0);
}
|
the_stack_data/937480.c
|
//
// Created by wangrl2016 on 2021/11/19.
//
/**
* ็ๆๆญฃๅผฆๆฐๆฎ
*/
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
int main(int argc, char* argv[]) {
FILE* f = fopen("sin_60_samples.txt", "w+");
if (!f) {
fprintf(stderr, "Open failed");
return EXIT_FAILURE;
}
// samples to generate
const int NUM_SAMPLE = 50;
const int DATA_LENGTH = 8;
float sample;
char tmp[DATA_LENGTH + 1];
for (int i = 0; i < NUM_SAMPLE; i++) {
sample = (float) sin(2 * M_PI * (i / (double) NUM_SAMPLE));
// The snprintf() functions will write at most size - 1 of the characters into the
// output string (the size'th character then gets the terminating '\0').
snprintf(tmp, DATA_LENGTH + 1, " %6.4f ", sample);
fwrite(tmp, 1, DATA_LENGTH, f);
}
return EXIT_SUCCESS;
}
|
the_stack_data/181392694.c
|
#include <stdio.h>
int main(int argc, char** argv){
printf("Hello world!");
return 0;
}
|
the_stack_data/624322.c
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2012-2015 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#ifdef __WIN32__
#include <windows.h>
#define dlopen(name, mode) LoadLibrary (TEXT (name))
#define dlclose(handle) FreeLibrary (handle)
#else
#include <dlfcn.h>
#endif
char *libname = "mi-catch-load-so.so";
int
main ()
{
void *h;
h = dlopen (libname, RTLD_LAZY);
dlclose (h);
return 0;
}
|
the_stack_data/45449682.c
|
/* { dg-do compile } */
/* { dg-options "-O -flive-range-shrinkage -mdispatch-scheduler -march=bdver1" } */
int foo (float f)
{
union
{
float f;
int i;
} z = { .f = f };
return z.i - 1;
}
|
the_stack_data/1064187.c
|
#include <stdio.h>
int tab[50][50];
int vec[50];
int n, m, k, nSlots;
int procrastination(int exam)
{
int z, i;
if (nSlots == 0 && n > exam)
return 0;
if (n == exam) {
return 1;
}
for (i = 1;i <= k;i++){
for (z = 0;z < n;z++){
if (vec[z] == i && tab[exam][z] == 1) {
break;
}
}
if (z == n) {
vec[exam] = i;
nSlots++;
if (procrastination(exam + 1) == 1) {
return 1;
}
nSlots--;
vec[exam] = 0;
}
}
return 0;
}
int main()
{
int i, x, y;
while (scanf("%d %d %d", &n, &m, &k) != EOF){
for (i = 0;i < m;i++){
scanf("%d %d", &x, &y);
tab[x - 1][y - 1] = 1;
tab[y - 1][x - 1] = 1;
}
nSlots = k;
if (procrastination(-1) == 1) {
printf("YES!\n");
}else{
printf("NO!\n");
}
}
return 0;
}
|
the_stack_data/113223.c
|
/*
dirname.c : print the path of the directory something is on.
(C)2012-2014 Marisa Kirisame, UnSX Team.
Part of Au, the Alice in Userland project.
Released under the MIT License.
*/
#include <stdio.h>
int main( int argc, char **argv )
{
if ( argc <= 1 ) return 1;
char *dir = argv[1], *find = dir;
while ( *argv[1] )
{
if ( *argv[1] == '/' && *(argv[1]+1) ) find = argv[1];
argv[1]++;
}
if ( *find != '/' ) return puts(".")&0;
if ( find == dir ) return puts("/")&0;
*find = 0;
return puts(dir)&0;
}
|
the_stack_data/93896.c
|
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define LV_ATTRIBUTE_MEM_ALIGN
#define LV_ATTRIBUTE_IMG_ALARM_16PX
#define LV_COLOR_DEPTH 32
//#define LV_COLOR_DEPTH 16
#define LV_IMG_PX_SIZE_ALPHA_BYTE 4 /* for 32 bit color */
//#define LV_IMG_PX_SIZE_ALPHA_BYTE 3 /* for 16 bit color */
#define LV_IMG_CF_TRUE_COLOR_ALPHA 5 /* for 32 bit color */
// #define LV_IMG_CF_TRUE_COLOR_ALPHA 3 /* for 16 bit color */
// #define LV_COLOR_16_SWAP 1
/** Image header it is compatible with
* the result from image converter utility*/
typedef struct {
uint32_t cf : 5; /* Color format: See `lv_img_color_format_t`*/
uint32_t always_zero : 3; /*It the upper bits of the first byte. Always zero to look like a
non-printable character*/
uint32_t reserved : 2; /*Reserved to be used later*/
uint32_t w : 11; /*Width of the image map*/
uint32_t h : 11; /*Height of the image map*/
} lv_img_header_t;
typedef struct {
lv_img_header_t header;
uint32_t data_size;
const uint8_t * data;
} lv_img_dsc_t;
#ifndef LV_ATTRIBUTE_MEM_ALIGN
#define LV_ATTRIBUTE_MEM_ALIGN
#endif
#ifndef LV_ATTRIBUTE_IMG_CHECK_32PX
#define LV_ATTRIBUTE_IMG_CHECK_32PX
#endif
const LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_IMG_CHECK_32PX uint8_t check_32px_map[] = {
#if LV_COLOR_DEPTH == 1 || LV_COLOR_DEPTH == 8
/*Pixel format: Alpha 8 bit, Red: 3 bit, Green: 3 bit, Blue: 2 bit*/
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x08, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xe4, 0xff, 0x33, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xef, 0xff, 0x33,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbb,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x4b, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0x94, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0x00, 0xff, 0x00, 0xff, 0x43, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0x44, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x7f, 0xff, 0xcb, 0xff, 0x10, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x08, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
#endif
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP == 0
/*Pixel format: Alpha 8 bit, Red: 5 bit, Green: 6 bit, Blue: 5 bit*/
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x08, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xe4, 0xff, 0xff, 0x33, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xef, 0xff, 0xff, 0x33,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbb,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x4b, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x94, 0xff, 0xff, 0x44, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xcb, 0xff, 0xff, 0x10, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x08, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
#endif
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP != 0
/*Pixel format: Alpha 8 bit, Red: 5 bit, Green: 6 bit, Blue: 5 bit BUT the 2 color bytes are swapped*/
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x08, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xe4, 0xff, 0xff, 0x33, 0xff, 0xff, 0x00,
0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x43, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xef, 0xff, 0xff, 0x33,
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0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00,
#endif
#if LV_COLOR_DEPTH == 32
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x08, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xe4, 0xff, 0xff, 0xff, 0x33, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xef, 0xff, 0xff, 0xff, 0x33,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbb,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x43, 0xff, 0xff, 0xff, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcb, 0xff, 0xff, 0xff, 0x10, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
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#endif
};
const lv_img_dsc_t check_32px = {
.header.always_zero = 0,
.header.w = 32,
.header.h = 32,
.data_size = 1024 * LV_IMG_PX_SIZE_ALPHA_BYTE,
.header.cf = LV_IMG_CF_TRUE_COLOR_ALPHA,
.data = check_32px_map,
};
/*
* writing the pixel map
*/
int main(int argc, char **argv) {
FILE *fp;
char *binFile;
binFile="check_32px_argb8888.bin"; /* 32 bit color */
fp = fopen(binFile, "wb");
fwrite(check_32px_map,check_32px.data_size,1,fp);
fclose(fp);
}
|
the_stack_data/134565.c
|
#include <string.h>
#include <stdlib.h>
char *strncat(char *dest, const char *src, size_t n)
{
size_t len = strlen(dest);
size_t i;
for(i = 0; src[len + i] != '\0' && i < n; i++)
{
dest[len + i] = src[len + i];
}
dest[len + i] = '\0';
return dest;
}
|
the_stack_data/57950920.c
|
#include <stdio.h>
void strictlyAsc(int lst[], int len){
int flag = 1;
for (int i=0; i<len-1; i++)
if (lst[i]>=lst[i+1]){
printf("not strictly ascending!\n");
flag = -1;
}
if (flag == 1)
puts("Strictly ascending!");
}
int main(){
int lst[] = {5, 6, 7, 9, 11, 14};
int lst_[] = {5, 5, 7, 9, 11, 15};
int len = 6;
strictlyAsc(lst, len);
strictlyAsc(lst_, len);
return 0;
}
|
the_stack_data/14784.c
|
#include <stdio.h>
int main()
{
int i;
int a[4];
a[0] = 1;
a[3] = 1;
for (i = 0; i < sizeof(a) / sizeof(a[0]); i ++) {
printf("%d\n", a[i]);
}
}
|
the_stack_data/192331453.c
|
// WARNING in rt_mutex_slowunlock
// https://syzkaller.appspot.com/bug?id=8fa2f18046700ae5faccb7dd5b86daa6a785446f
// status:open
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>
unsigned long long procid;
static __thread int skip_segv;
static __thread jmp_buf segv_env;
static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
uintptr_t addr = (uintptr_t)info->si_addr;
const uintptr_t prog_start = 1 << 20;
const uintptr_t prog_end = 100 << 20;
if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
(addr < prog_start || addr > prog_end)) {
_longjmp(segv_env, 1);
}
exit(sig);
}
static void install_segv_handler(void)
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = segv_handler;
sa.sa_flags = SA_NODEFER | SA_SIGINFO;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
}
#define NONFAILING(...) \
{ \
__atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \
if (_setjmp(segv_env) == 0) { \
__VA_ARGS__; \
} \
__atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \
}
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
static uint64_t current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
exit(1);
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
static void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i;
for (i = 0; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exit(1);
}
typedef struct {
int state;
} event_t;
static void event_init(event_t* ev)
{
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
if (ev->state)
exit(1);
__atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG);
}
static void event_wait(event_t* ev)
{
while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}
static int event_isset(event_t* ev)
{
return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
for (;;) {
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED))
return 1;
now = current_time_ms();
if (now - start > timeout)
return 0;
}
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
static struct {
char* pos;
int nesting;
struct nlattr* nested[8];
char buf[1024];
} nlmsg;
static void netlink_init(int typ, int flags, const void* data, int size)
{
memset(&nlmsg, 0, sizeof(nlmsg));
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf;
hdr->nlmsg_type = typ;
hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
memcpy(hdr + 1, data, size);
nlmsg.pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}
static void netlink_attr(int typ, const void* data, int size)
{
struct nlattr* attr = (struct nlattr*)nlmsg.pos;
attr->nla_len = sizeof(*attr) + size;
attr->nla_type = typ;
memcpy(attr + 1, data, size);
nlmsg.pos += NLMSG_ALIGN(attr->nla_len);
}
static void netlink_nest(int typ)
{
struct nlattr* attr = (struct nlattr*)nlmsg.pos;
attr->nla_type = typ;
nlmsg.pos += sizeof(*attr);
nlmsg.nested[nlmsg.nesting++] = attr;
}
static void netlink_done(void)
{
struct nlattr* attr = nlmsg.nested[--nlmsg.nesting];
attr->nla_len = nlmsg.pos - (char*)attr;
}
static int netlink_send(int sock)
{
if (nlmsg.pos > nlmsg.buf + sizeof(nlmsg.buf) || nlmsg.nesting)
exit(1);
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf;
hdr->nlmsg_len = nlmsg.pos - nlmsg.buf;
struct sockaddr_nl addr;
memset(&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
unsigned n = sendto(sock, nlmsg.buf, hdr->nlmsg_len, 0,
(struct sockaddr*)&addr, sizeof(addr));
if (n != hdr->nlmsg_len)
exit(1);
n = recv(sock, nlmsg.buf, sizeof(nlmsg.buf), 0);
if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
exit(1);
if (hdr->nlmsg_type != NLMSG_ERROR)
exit(1);
return -((struct nlmsgerr*)(hdr + 1))->error;
}
static void netlink_add_device_impl(const char* type, const char* name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
netlink_init(RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr));
if (name)
netlink_attr(IFLA_IFNAME, name, strlen(name));
netlink_nest(IFLA_LINKINFO);
netlink_attr(IFLA_INFO_KIND, type, strlen(type));
}
static void netlink_add_device(int sock, const char* type, const char* name)
{
netlink_add_device_impl(type, name);
netlink_done();
int err = netlink_send(sock);
(void)err;
}
static void netlink_add_veth(int sock, const char* name, const char* peer)
{
netlink_add_device_impl("veth", name);
netlink_nest(IFLA_INFO_DATA);
netlink_nest(VETH_INFO_PEER);
nlmsg.pos += sizeof(struct ifinfomsg);
netlink_attr(IFLA_IFNAME, peer, strlen(peer));
netlink_done();
netlink_done();
netlink_done();
int err = netlink_send(sock);
(void)err;
}
static void netlink_add_hsr(int sock, const char* name, const char* slave1,
const char* slave2)
{
netlink_add_device_impl("hsr", name);
netlink_nest(IFLA_INFO_DATA);
int ifindex1 = if_nametoindex(slave1);
netlink_attr(IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1));
int ifindex2 = if_nametoindex(slave2);
netlink_attr(IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2));
netlink_done();
netlink_done();
int err = netlink_send(sock);
(void)err;
}
static void netlink_device_change(int sock, const char* name, bool up,
const char* master, const void* mac,
int macsize)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
if (up)
hdr.ifi_flags = hdr.ifi_change = IFF_UP;
netlink_init(RTM_NEWLINK, 0, &hdr, sizeof(hdr));
netlink_attr(IFLA_IFNAME, name, strlen(name));
if (master) {
int ifindex = if_nametoindex(master);
netlink_attr(IFLA_MASTER, &ifindex, sizeof(ifindex));
}
if (macsize)
netlink_attr(IFLA_ADDRESS, mac, macsize);
int err = netlink_send(sock);
(void)err;
}
static int netlink_add_addr(int sock, const char* dev, const void* addr,
int addrsize)
{
struct ifaddrmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
hdr.ifa_scope = RT_SCOPE_UNIVERSE;
hdr.ifa_index = if_nametoindex(dev);
netlink_init(RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr, sizeof(hdr));
netlink_attr(IFA_LOCAL, addr, addrsize);
netlink_attr(IFA_ADDRESS, addr, addrsize);
return netlink_send(sock);
}
static void netlink_add_addr4(int sock, const char* dev, const char* addr)
{
struct in_addr in_addr;
inet_pton(AF_INET, addr, &in_addr);
int err = netlink_add_addr(sock, dev, &in_addr, sizeof(in_addr));
(void)err;
}
static void netlink_add_addr6(int sock, const char* dev, const char* addr)
{
struct in6_addr in6_addr;
inet_pton(AF_INET6, addr, &in6_addr);
int err = netlink_add_addr(sock, dev, &in6_addr, sizeof(in6_addr));
(void)err;
}
static void netlink_add_neigh(int sock, const char* name, const void* addr,
int addrsize, const void* mac, int macsize)
{
struct ndmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ndm_ifindex = if_nametoindex(name);
hdr.ndm_state = NUD_PERMANENT;
netlink_init(RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr));
netlink_attr(NDA_DST, addr, addrsize);
netlink_attr(NDA_LLADDR, mac, macsize);
int err = netlink_send(sock);
(void)err;
}
static int tunfd = -1;
static int tun_frags_enabled;
#define SYZ_TUN_MAX_PACKET_SIZE 1000
#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"
#define IFF_NAPI 0x0010
#define IFF_NAPI_FRAGS 0x0020
static void initialize_tun(void)
{
tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
if (tunfd == -1) {
printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
printf("otherwise fuzzing or reproducing might not work as intended\n");
return;
}
const int kTunFd = 240;
if (dup2(tunfd, kTunFd) < 0)
exit(1);
close(tunfd);
tunfd = kTunFd;
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0)
exit(1);
}
if (ioctl(tunfd, TUNGETIFF, (void*)&ifr) < 0)
exit(1);
tun_frags_enabled = (ifr.ifr_flags & IFF_NAPI_FRAGS) != 0;
char sysctl[64];
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
write_file(sysctl, "0");
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
write_file(sysctl, "0");
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
netlink_add_addr4(sock, TUN_IFACE, LOCAL_IPV4);
netlink_add_addr6(sock, TUN_IFACE, LOCAL_IPV6);
uint64_t macaddr = REMOTE_MAC;
struct in_addr in_addr;
inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
netlink_add_neigh(sock, TUN_IFACE, &in_addr, sizeof(in_addr), &macaddr,
ETH_ALEN);
struct in6_addr in6_addr;
inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
netlink_add_neigh(sock, TUN_IFACE, &in6_addr, sizeof(in6_addr), &macaddr,
ETH_ALEN);
macaddr = LOCAL_MAC;
netlink_device_change(sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN);
close(sock);
}
#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02x"
#define DEV_MAC 0x00aaaaaaaaaa
static void initialize_netdevices(void)
{
char netdevsim[16];
sprintf(netdevsim, "netdevsim%d", (int)procid);
struct {
const char* type;
const char* dev;
} devtypes[] = {
{"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"},
{"vcan", "vcan0"}, {"bond", "bond0"},
{"team", "team0"}, {"dummy", "dummy0"},
{"nlmon", "nlmon0"}, {"caif", "caif0"},
{"batadv", "batadv0"}, {"vxcan", "vxcan1"},
{"netdevsim", netdevsim}, {"veth", 0},
};
const char* devmasters[] = {"bridge", "bond", "team"};
struct {
const char* name;
int macsize;
bool noipv6;
} devices[] = {
{"lo", ETH_ALEN},
{"sit0", 0},
{"bridge0", ETH_ALEN},
{"vcan0", 0, true},
{"tunl0", 0},
{"gre0", 0},
{"gretap0", ETH_ALEN},
{"ip_vti0", 0},
{"ip6_vti0", 0},
{"ip6tnl0", 0},
{"ip6gre0", 0},
{"ip6gretap0", ETH_ALEN},
{"erspan0", ETH_ALEN},
{"bond0", ETH_ALEN},
{"veth0", ETH_ALEN},
{"veth1", ETH_ALEN},
{"team0", ETH_ALEN},
{"veth0_to_bridge", ETH_ALEN},
{"veth1_to_bridge", ETH_ALEN},
{"veth0_to_bond", ETH_ALEN},
{"veth1_to_bond", ETH_ALEN},
{"veth0_to_team", ETH_ALEN},
{"veth1_to_team", ETH_ALEN},
{"veth0_to_hsr", ETH_ALEN},
{"veth1_to_hsr", ETH_ALEN},
{"hsr0", 0},
{"dummy0", ETH_ALEN},
{"nlmon0", 0},
{"vxcan1", 0, true},
{"caif0", ETH_ALEN},
{"batadv0", ETH_ALEN},
{netdevsim, ETH_ALEN},
};
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++)
netlink_add_device(sock, devtypes[i].type, devtypes[i].dev);
for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
char master[32], slave0[32], veth0[32], slave1[32], veth1[32];
sprintf(slave0, "%s_slave_0", devmasters[i]);
sprintf(veth0, "veth0_to_%s", devmasters[i]);
netlink_add_veth(sock, slave0, veth0);
sprintf(slave1, "%s_slave_1", devmasters[i]);
sprintf(veth1, "veth1_to_%s", devmasters[i]);
netlink_add_veth(sock, slave1, veth1);
sprintf(master, "%s0", devmasters[i]);
netlink_device_change(sock, slave0, false, master, 0, 0);
netlink_device_change(sock, slave1, false, master, 0, 0);
}
netlink_device_change(sock, "bridge_slave_0", true, 0, 0, 0);
netlink_device_change(sock, "bridge_slave_1", true, 0, 0, 0);
netlink_add_veth(sock, "hsr_slave_0", "veth0_to_hsr");
netlink_add_veth(sock, "hsr_slave_1", "veth1_to_hsr");
netlink_add_hsr(sock, "hsr0", "hsr_slave_0", "hsr_slave_1");
netlink_device_change(sock, "hsr_slave_0", true, 0, 0, 0);
netlink_device_change(sock, "hsr_slave_1", true, 0, 0, 0);
for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) {
char addr[32];
sprintf(addr, DEV_IPV4, i + 10);
netlink_add_addr4(sock, devices[i].name, addr);
if (!devices[i].noipv6) {
sprintf(addr, DEV_IPV6, i + 10);
netlink_add_addr6(sock, devices[i].name, addr);
}
uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40);
netlink_device_change(sock, devices[i].name, true, 0, &macaddr,
devices[i].macsize);
}
close(sock);
}
static void initialize_netdevices_init(void)
{
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
struct {
const char* type;
int macsize;
bool noipv6;
bool noup;
} devtypes[] = {
{"nr", 7, true},
{"rose", 5, true, true},
};
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) {
char dev[32], addr[32];
sprintf(dev, "%s%d", devtypes[i].type, (int)procid);
sprintf(addr, "172.30.%d.%d", i, (int)procid + 1);
netlink_add_addr4(sock, dev, addr);
if (!devtypes[i].noipv6) {
sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1);
netlink_add_addr6(sock, dev, addr);
}
int macsize = devtypes[i].macsize;
uint64_t macaddr = 0xbbbbbb +
((unsigned long long)i << (8 * (macsize - 2))) +
(procid << (8 * (macsize - 1)));
netlink_device_change(sock, dev, !devtypes[i].noup, 0, &macaddr, macsize);
}
close(sock);
}
static int read_tun(char* data, int size)
{
if (tunfd < 0)
return -1;
int rv = read(tunfd, data, size);
if (rv < 0) {
if (errno == EAGAIN)
return -1;
if (errno == EBADFD)
return -1;
exit(1);
}
return rv;
}
static void flush_tun()
{
char data[SYZ_TUN_MAX_PACKET_SIZE];
while (read_tun(&data[0], sizeof(data)) != -1) {
}
}
#define XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10
struct xt_counters {
uint64_t pcnt, bcnt;
};
struct ipt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_entries;
unsigned int size;
};
struct ipt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct ipt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct ipt_table_desc {
const char* name;
struct ipt_getinfo info;
struct ipt_replace replace;
};
static struct ipt_table_desc ipv4_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
static struct ipt_table_desc ipv6_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
struct arpt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_entries;
unsigned int size;
};
struct arpt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct arpt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct arpt_table_desc {
const char* name;
struct arpt_getinfo info;
struct arpt_replace replace;
};
static struct arpt_table_desc arpt_tables[] = {
{.name = "filter"},
};
#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct ipt_get_entries entries;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct ipt_get_entries entries;
struct ipt_getinfo info;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_arptables(void)
{
struct arpt_get_entries entries;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_arptables()
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct arpt_get_entries entries;
struct arpt_getinfo info;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
} else {
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
#define NF_BR_NUMHOOKS 6
#define EBT_TABLE_MAXNAMELEN 32
#define EBT_CHAIN_MAXNAMELEN 32
#define EBT_BASE_CTL 128
#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
#define EBT_SO_GET_INFO (EBT_BASE_CTL)
#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO + 1)
#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES + 1)
#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO + 1)
struct ebt_replace {
char name[EBT_TABLE_MAXNAMELEN];
unsigned int valid_hooks;
unsigned int nentries;
unsigned int entries_size;
struct ebt_entries* hook_entry[NF_BR_NUMHOOKS];
unsigned int num_counters;
struct ebt_counter* counters;
char* entries;
};
struct ebt_entries {
unsigned int distinguisher;
char name[EBT_CHAIN_MAXNAMELEN];
unsigned int counter_offset;
int policy;
unsigned int nentries;
char data[0] __attribute__((aligned(__alignof__(struct ebt_replace))));
};
struct ebt_table_desc {
const char* name;
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
};
static struct ebt_table_desc ebt_tables[] = {
{.name = "filter"},
{.name = "nat"},
{.name = "broute"},
};
static void checkpoint_ebtables(void)
{
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
strcpy(table->replace.name, table->name);
optlen = sizeof(table->replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
&optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->replace.entries_size > sizeof(table->entrytable))
exit(1);
table->replace.num_counters = 0;
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
&optlen))
exit(1);
}
close(fd);
}
static void reset_ebtables()
{
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
socklen_t optlen;
unsigned i, j, h;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
if (table->replace.valid_hooks == 0)
continue;
memset(&replace, 0, sizeof(replace));
strcpy(replace.name, table->name);
optlen = sizeof(replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
exit(1);
replace.num_counters = 0;
table->replace.entries = 0;
for (h = 0; h < NF_BR_NUMHOOKS; h++)
table->replace.hook_entry[h] = 0;
if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
memset(&entrytable, 0, sizeof(entrytable));
replace.entries = entrytable;
optlen = sizeof(replace) + replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
exit(1);
if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
continue;
}
for (j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
if (table->replace.valid_hooks & (1 << h)) {
table->replace.hook_entry[h] =
(struct ebt_entries*)table->entrytable + j;
j++;
}
}
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_net_namespace(void)
{
checkpoint_ebtables();
checkpoint_arptables();
checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void reset_net_namespace(void)
{
reset_ebtables();
reset_arptables();
reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void setup_cgroups()
{
if (mkdir("/syzcgroup", 0777)) {
}
if (mkdir("/syzcgroup/unified", 0777)) {
}
if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
}
if (chmod("/syzcgroup/unified", 0777)) {
}
write_file("/syzcgroup/unified/cgroup.subtree_control",
"+cpu +memory +io +pids +rdma");
if (mkdir("/syzcgroup/cpu", 0777)) {
}
if (mount("none", "/syzcgroup/cpu", "cgroup", 0,
"cpuset,cpuacct,perf_event,hugetlb")) {
}
write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
if (chmod("/syzcgroup/cpu", 0777)) {
}
if (mkdir("/syzcgroup/net", 0777)) {
}
if (mount("none", "/syzcgroup/net", "cgroup", 0,
"net_cls,net_prio,devices,freezer")) {
}
if (chmod("/syzcgroup/net", 0777)) {
}
}
static void setup_cgroups_loop()
{
int pid = getpid();
char file[128];
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
write_file(file, "32");
snprintf(file, sizeof(file), "%s/memory.low", cgroupdir);
write_file(file, "%d", 298 << 20);
snprintf(file, sizeof(file), "%s/memory.high", cgroupdir);
write_file(file, "%d", 299 << 20);
snprintf(file, sizeof(file), "%s/memory.max", cgroupdir);
write_file(file, "%d", 300 << 20);
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
}
static void setup_cgroups_test()
{
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.cpu")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.net")) {
}
}
static void setup_common()
{
if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
}
setup_cgroups();
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setsid();
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = (200 << 20);
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 32 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 136 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 256;
setrlimit(RLIMIT_NOFILE, &rlim);
if (unshare(CLONE_NEWNS)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(0x02000000)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
typedef struct {
const char* name;
const char* value;
} sysctl_t;
static const sysctl_t sysctls[] = {
{"/proc/sys/kernel/shmmax", "16777216"},
{"/proc/sys/kernel/shmall", "536870912"},
{"/proc/sys/kernel/shmmni", "1024"},
{"/proc/sys/kernel/msgmax", "8192"},
{"/proc/sys/kernel/msgmni", "1024"},
{"/proc/sys/kernel/msgmnb", "1024"},
{"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
};
unsigned i;
for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
write_file(sysctls[i].name, sysctls[i].value);
}
int wait_for_loop(int pid)
{
if (pid < 0)
exit(1);
int status = 0;
while (waitpid(-1, &status, __WALL) != pid) {
}
return WEXITSTATUS(status);
}
static void drop_caps(void)
{
struct __user_cap_header_struct cap_hdr = {};
struct __user_cap_data_struct cap_data[2] = {};
cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
cap_hdr.pid = getpid();
if (syscall(SYS_capget, &cap_hdr, &cap_data))
exit(1);
const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
cap_data[0].effective &= ~drop;
cap_data[0].permitted &= ~drop;
cap_data[0].inheritable &= ~drop;
if (syscall(SYS_capset, &cap_hdr, &cap_data))
exit(1);
}
static int do_sandbox_none(void)
{
if (unshare(CLONE_NEWPID)) {
}
int pid = fork();
if (pid != 0)
return wait_for_loop(pid);
setup_common();
sandbox_common();
drop_caps();
initialize_netdevices_init();
if (unshare(CLONE_NEWNET)) {
}
initialize_tun();
initialize_netdevices();
loop();
exit(1);
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
DIR* dp;
struct dirent* ep;
int iter = 0;
retry:
while (umount2(dir, MNT_DETACH) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
while (umount2(filename, MNT_DETACH) == 0) {
}
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0)
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
if (umount2(filename, MNT_DETACH))
exit(1);
}
}
closedir(dp);
int i;
for (i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0)
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH))
exit(1);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
int i;
for (i = 0; i < 100; i++) {
if (waitpid(-1, status, WNOHANG | __WALL) == pid)
return;
usleep(1000);
}
DIR* dir = opendir("/sys/fs/fuse/connections");
if (dir) {
for (;;) {
struct dirent* ent = readdir(dir);
if (!ent)
break;
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
char abort[300];
snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
ent->d_name);
int fd = open(abort, O_WRONLY);
if (fd == -1) {
continue;
}
if (write(fd, abort, 1) < 0) {
}
close(fd);
}
closedir(dir);
} else {
}
while (waitpid(-1, status, __WALL) != pid) {
}
}
static void setup_loop()
{
setup_cgroups_loop();
checkpoint_net_namespace();
}
static void reset_loop()
{
reset_net_namespace();
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setup_cgroups_test();
write_file("/proc/self/oom_score_adj", "1000");
flush_tun();
}
static void close_fds()
{
int fd;
for (fd = 3; fd < 30; fd++)
close(fd);
}
static void setup_binfmt_misc()
{
if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
}
write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
write_file("/proc/sys/fs/binfmt_misc/register",
":syz1:M:1:\x02::./file0:POC");
}
struct thread_t {
int created, call;
event_t ready, done;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
event_wait(&th->ready);
event_reset(&th->ready);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
event_set(&th->done);
}
return 0;
}
static void execute_one(void)
{
int i, call, thread;
int collide = 0;
again:
for (call = 0; call < 6; call++) {
for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
event_init(&th->ready);
event_init(&th->done);
event_set(&th->done);
thread_start(thr, th);
}
if (!event_isset(&th->done))
continue;
event_reset(&th->done);
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
event_set(&th->ready);
if (collide && (call % 2) == 0)
break;
event_timedwait(&th->done, 45);
break;
}
}
for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
sleep_ms(1);
close_fds();
if (!collide) {
collide = 1;
goto again;
}
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
setup_loop();
int iter;
for (iter = 0;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
reset_loop();
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5 * 1000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[1] = {0x0};
void execute_call(int call)
{
intptr_t res;
switch (call) {
case 0:
NONFAILING(*(uint32_t*)0x2000cffc = 1);
syscall(__NR_futex, 0x2000cffc, 0x800000000006, 0, 0, 0, 0);
break;
case 1:
NONFAILING(*(uint32_t*)0x2000cffc = 0x40000000);
syscall(__NR_futex, 0x2000cffc, 0x800000000006, 0, 0, 0, 0);
break;
case 2:
NONFAILING(*(uint64_t*)0x20044000 = 0);
NONFAILING(*(uint32_t*)0x20044008 = 0x12);
NONFAILING(*(uint32_t*)0x2004400c = 0);
NONFAILING(*(uint64_t*)0x20044010 = 0);
NONFAILING(*(uint64_t*)0x20044018 = 0);
syscall(__NR_timer_create, 0, 0x20044000, 0x20044000);
break;
case 3:
NONFAILING(*(uint64_t*)0x20000000 = 0);
NONFAILING(*(uint64_t*)0x20000008 = 8);
NONFAILING(*(uint64_t*)0x20000010 = 0);
NONFAILING(*(uint64_t*)0x20000018 = 9);
syscall(__NR_timer_settime, 0, 0, 0x20000000, 0);
break;
case 4:
res = syscall(__NR_gettid);
if (res != -1)
r[0] = res;
break;
case 5:
syscall(__NR_tkill, r[0], 0x16);
break;
}
}
int main(void)
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
setup_binfmt_misc();
install_segv_handler();
for (procid = 0; procid < 6; procid++) {
if (fork() == 0) {
use_temporary_dir();
do_sandbox_none();
}
}
sleep(1000000);
return 0;
}
|
the_stack_data/34513731.c
|
#include <stdlib.h>
#include <sys/stat.h>
#include <stdio.h>
#include <unistd.h>
int main()
{
if (mkfifo("MY_PIPE_NAME", 0644) != 0)
{
perror("mkfifo");
return EXIT_FAILURE;
}
// unlink("MY_PIPE_NAME");
return EXIT_SUCCESS;
}
|
the_stack_data/89200647.c
|
#include<stdio.h>
void swapv(int a,int b);
int main ()
{
int a=10,b=20;
swapv(a,b);
printf("a=%d b=%d\n",a,b);
return 0;
}
void swapv(int x,int y)
{
int t;
t=x;
x=y;
y=t;
printf("x=%d y=%d\n",x,y);
}
|
the_stack_data/223894.c
|
/* $OpenBSD: index.c,v 1.5 2005/08/08 08:05:37 espie Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <string.h>
char *
strchr(const char *p, int ch)
{
for (;; ++p) {
if (*p == (char) ch)
return((char *)p);
if (!*p)
return((char *)NULL);
}
/* NOTREACHED */
}
|
the_stack_data/231394169.c
|
#include <stdlib.h>
struct node {
int value;
struct node *next;
};
void free_list(struct node *head) {
struct node *q;
for (struct node *p = head; p != NULL; p = q) {
q = p->next;
free(p);
}
}
|
the_stack_data/562113.c
|
// Checks that parameters of typeof()-declared functions are uniquely named.
//- @int ref IntTy
//- @float ref FloatTy
void foo(int a, float b);
//- @bar defines FnBar
//- FnBar param.0 AnonInt AnonInt typed IntTy
//- FnBar param.1 AnonFloat AnonFloat typed FloatTy
extern typeof(foo) bar;
|
the_stack_data/45844.c
|
// Written by mr-andrej
// "Mumbling" by g964
// https://www.codewars.com/kata/5667e8f4e3f572a8f2000039
// Kyu: 7
char *accum(const char *source) {
char *result = malloc(10000);
int index = 0;
for (int x = 0; x < strlen(source); x++) {
for (int y = 0; y <= x; y++) {
if (source[x] >= 97 && source[x] <= 122 && y == 0) {
result[index] = source[x] - 32;
index++;
} else if (!(source[x] >= 97 && source[x] <= 122) && y != 0) {
result[index] = source[x] + 32;
index++;
} else {
result[index] = source[x];
index++;
} // This could be refactored as a ternary nested statement, but it might make it a mess
}
result[index++] = (x != strlen(source) - 1) ? '-' : 0;
}
result[index] = 0;
return (result);
}
|
the_stack_data/90763121.c
|
#include<stdio.h>
#include<stdlib.h>
int main()
{
printf("BATALHA NAVAL \n \n \n");
printf("Destrua todos os navios inimigos escolhendo a linha e coluna para tentar acertar. \n");
printf("\n");
char base[11][11] = {
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0},
{0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0},
{0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0},
{0, 0, 2, 0, 5, 0, 0, 4, 4, 4, 0},
{0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0},
{0, 1, 0, 0, 5, 0, 0, 2, 0, 0, 0},
{0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 1},
{0, 0, 2, 0, 0, 3, 0, 3, 3, 0, 0},
{0, 1, 0, 0, 0, 3, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 4, 4, 4, 0, 0}};
char tabuleiro[11][11]; //matriz para o tabuleiro 10x10
int i, j, cont1=0, cont2=0, cont3=0, cont4=0, cont5=0,cont6=0, fim=1; //foi adicionado varios contadores, um para cada barco mais um para o nรบmero de tiros
for(i=1; i<11; i++){
for(j=1; j<11; j++){
tabuleiro[i][j] = '.';
printf("| % c | ", tabuleiro[i][j]);
}
printf("\n");
}
printf("Informe a Linha (0 a 10): "); //o usuario informa a linha
scanf("%d", &i);
printf("Informe a Coluna (0 a 10): "); // o usuario informa a coluna
scanf("%d", &j);
printf("\n");
while(fim !=0){ // vai repetir enquanto o fim for diferente de 0
if(base[i][j] == 2) // testa se a cordenada contem um submarino
{
tabuleiro[i][j] = 'S';
printf("Voce acertou um Submarino!");
cont2 =cont2+1;
printf("\n");
}
else // se nรฃo
{
if(base[i][j] == 3) // testa se a cordenada contem um cruzador
{
tabuleiro[i][j] = 'C';
cont3 = cont3+1;
if(tabuleiro[i+1][j]== 'C' || tabuleiro[i][j+1]== 'C' || tabuleiro[i-1][j]== 'C' || tabuleiro[i][j-1]== 'C') // testa se destruiu o cruzador
{
printf("Voce afundou um Cruzador!");
printf("\n");
}
else { printf("Voce acertou um Cruzador!");
printf("\n");
}
}
else // se nรฃo
{
if(base[i][j] == 4)
{
tabuleiro[i][j] = 'E';
cont4 = cont3+1;
if (tabuleiro[i+1][j]== 'E' && tabuleiro[i+2][j]== 'E' || tabuleiro[i-1][j]== 'E' && tabuleiro[i-2][j]== 'E' || tabuleiro[i][j+1]== 'E' &&
tabuleiro[i][j+2]== 'E' || tabuleiro[i][j-1]== 'E' && tabuleiro[i][j-2]== 'E' || tabuleiro[i+1][j]== 'E' && tabuleiro[i-1][j]== 'E' ||
tabuleiro[i][j+1]== 'E' && tabuleiro[i][j-1]== 'E')
{
printf("Voce afundou um Encouracado!");
printf("\n");
}
else {printf("Voce acertou um Encouracado!");
printf("\n");}
}
else
{
if(base[i][j] == 5){
tabuleiro[i][j] = 'P';
cont5 = cont5+1;
printf("\n");
if(tabuleiro[i+1][j]=='P' && tabuleiro[i+2][j]=='P'&& tabuleiro[i+3][j]=='P' || tabuleiro[i-1][j]=='P' && tabuleiro[i-2][j]=='P' && tabuleiro[i-3][j]=='P'
|| tabuleiro[i][j+1]=='P' && tabuleiro[i][j+2]=='P' && tabuleiro[i][j+3]=='P' || tabuleiro[i][j-1]=='P' && tabuleiro[i][j-2]=='P' && tabuleiro[i][j-3]=='P'
|| tabuleiro[i+1][j]=='P' && tabuleiro[i+2][j]=='P' && tabuleiro[i-1][j]=='P' || tabuleiro[i-1][j]=='P' && tabuleiro[i-2][j]=='P' && tabuleiro[i+1][j]=='P'
|| tabuleiro[i][j+1]=='P' && tabuleiro[i][j+2]=='P' && tabuleiro[i][j-1]=='P' || tabuleiro[i][j-1]=='P' && tabuleiro[i][j-2]=='P' && tabuleiro[i][j+1]=='P')
{
printf("Voce afundou um porta-avioes!");
printf("\n");
}else{printf("Voce acertou um porta-avioes!");
printf("\n");
}
}
else
{
if(base[i][j] == 1)
{
tabuleiro[i][j] = 'A';
printf("Voce destruiu um Hidroaviao!");
cont1 = cont1 +1;
printf("\n");
}
else // se a cordenada nรฃo contem nada, acertou a รกgua
{
tabuleiro[i][j] = 'O';
printf("Acertou na Agua!");
printf("\n");
}
}
}}
}
for(i=1; i<11; i++){
for(j=1; j<11; j++){
printf("| %c |", tabuleiro[i][j]);
}
printf("\n");
}
if(cont1>=5 && cont2>=4 && cont3>=6 && cont4>=6 && cont5>=4) // testa se acabou o jogo, se acabou fim = 0, se nรฃo informe linha e coluna
{ fim=0;}
else {
printf("Informe a Linha:\n");
scanf("%d", &i);
printf("Informe a Coluna:\n");
scanf("%d", &j);
printf("\n");
cont6=cont6 +1;
}
}
printf("Fim de Jogo. /n PARABENS! \n Voce venceu!!! \n");
printf("Numero de disparos: %d",cont6);
fflush(stdin);
getchar();
system("PAUSE");
return 0;
}
|
the_stack_data/103379.c
|
/* csinhf.c */
/*
Contributed by Danny Smith
2004-12-24
*/
#include <math.h>
#include <complex.h>
/* csinh (x + I * y) = sinh (x) * cos (y)
+ I * (cosh (x) * sin (y)) */
float complex csinhf (float complex Z)
{
float complex Res;
__real__ Res = sinhf (__real__ Z) * cosf (__imag__ Z);
__imag__ Res = coshf (__real__ Z) * sinf (__imag__ Z);
return Res;
}
|
the_stack_data/232955059.c
|
// Test if PGO sample use passes are invoked.
//
// Ensure Pass PGOInstrumentationGenPass is invoked.
// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -emit-llvm -o - 2>&1 | FileCheck %s
// CHECK: Simplify the CFG
// CHECK: SROA
// CHECK: Combine redundant instructions
// CHECK: Remove unused exception handling info
// CHECK: Sample profile pass
|
the_stack_data/51700303.c
|
int J;
void foo(int N, double * restrict A) {
for (int I = 0; I < N; ++I) {
J = N + I;
A[I] = I + J;
}
}
|
the_stack_data/64199242.c
|
#include <stdio.h>
// gcc dweight.c && ./a.out
int main(void)
{
int length, width, heigth, volume, weight;
length = 12;
width = 10;
heigth = 8;
volume = length * width * heigth;
weight = (volume + 165) / 166;
printf("็ฎฑๅญ๏ผ้ฟ๏ผ%d ๅฎฝ๏ผ%d ้ซ๏ผ%d\n", length, width, heigth);
printf("ไฝ็งฏ๏ผ%d\n", volume);
printf("้่ฆไป่ดน็้้๏ผ%d (็ฃ
)\n", weight);
return 0;
}
|
the_stack_data/73574697.c
|
# 1 "benchmarks/ds-07-impl1.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "benchmarks/ds-07-impl1.c"
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h"
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h" 1
# 132 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h"
int X_SIZE_VALUE = 0;
int overflow_mode = 1;
int rounding_mode = 0;
# 155 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h"
typedef struct {
double a[100];
int a_size;
double b[100];
int b_size;
double sample_time;
double a_uncertainty[100];
double b_uncertainty[100];
} digital_system;
typedef struct {
double A[4][4];
double B[4][4];
double C[4][4];
double D[4][4];
double states[4][4];
double outputs[4][4];
double inputs[4][4];
double K[4][4];
unsigned int nStates;
unsigned int nInputs;
unsigned int nOutputs;
} digital_system_state_space;
typedef struct {
int int_bits;
int frac_bits;
double max;
double min;
int default_realization;
double delta;
int scale;
double max_error;
} implementation;
typedef struct {
int push;
int in;
int sbiw;
int cli;
int out;
int std;
int ldd;
int subi;
int sbci;
int lsl;
int rol;
int add;
int adc;
int adiw;
int rjmp;
int mov;
int sbc;
int ld;
int rcall;
int cp;
int cpc;
int ldi;
int brge;
int pop;
int ret;
int st;
int brlt;
int cpi;
} instructions;
typedef struct {
long clock;
int device;
double cycle;
instructions assembly;
} hardware;
typedef struct{
float Ap, Ar, Ac;
float wp, wc, wr;
int type;
}filter_parameters;
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
# 1 "/usr/include/stdlib.h" 1 3 4
# 25 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 33 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 3 4
# 1 "/usr/include/features.h" 1 3 4
# 461 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 1 3 4
# 452 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 453 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/long-double.h" 1 3 4
# 454 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
# 462 "/usr/include/features.h" 2 3 4
# 485 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs-64.h" 1 3 4
# 11 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 2 3 4
# 486 "/usr/include/features.h" 2 3 4
# 34 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 2 3 4
# 26 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 209 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
# 209 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
typedef long unsigned int size_t;
# 321 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
typedef int wchar_t;
# 32 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/waitflags.h" 1 3 4
# 52 "/usr/include/x86_64-linux-gnu/bits/waitflags.h" 3 4
typedef enum
{
P_ALL,
P_PID,
P_PGID
} idtype_t;
# 40 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/waitstatus.h" 1 3 4
# 41 "/usr/include/stdlib.h" 2 3 4
# 55 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 1 3 4
# 120 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/long-double.h" 1 3 4
# 25 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 2 3 4
# 121 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 2 3 4
# 56 "/usr/include/stdlib.h" 2 3 4
typedef struct
{
int quot;
int rem;
} div_t;
typedef struct
{
long int quot;
long int rem;
} ldiv_t;
__extension__ typedef struct
{
long long int quot;
long long int rem;
} lldiv_t;
# 97 "/usr/include/stdlib.h" 3 4
extern size_t __ctype_get_mb_cur_max (void) __attribute__ ((__nothrow__ , __leaf__)) ;
extern double atof (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern int atoi (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern long int atol (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
__extension__ extern long long int atoll (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern double strtod (const char *__restrict __nptr,
char **__restrict __endptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern float strtof (const char *__restrict __nptr,
char **__restrict __endptr) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long double strtold (const char *__restrict __nptr,
char **__restrict __endptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 176 "/usr/include/stdlib.h" 3 4
extern long int strtol (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern unsigned long int strtoul (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtouq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoll (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtoull (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 385 "/usr/include/stdlib.h" 3 4
extern char *l64a (long int __n) __attribute__ ((__nothrow__ , __leaf__)) ;
extern long int a64l (const char *__s)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
# 1 "/usr/include/x86_64-linux-gnu/sys/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 28 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/timesize.h" 1 3 4
# 29 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
typedef unsigned char __u_char;
typedef unsigned short int __u_short;
typedef unsigned int __u_int;
typedef unsigned long int __u_long;
typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;
typedef signed long int __int64_t;
typedef unsigned long int __uint64_t;
typedef __int8_t __int_least8_t;
typedef __uint8_t __uint_least8_t;
typedef __int16_t __int_least16_t;
typedef __uint16_t __uint_least16_t;
typedef __int32_t __int_least32_t;
typedef __uint32_t __uint_least32_t;
typedef __int64_t __int_least64_t;
typedef __uint64_t __uint_least64_t;
typedef long int __quad_t;
typedef unsigned long int __u_quad_t;
typedef long int __intmax_t;
typedef unsigned long int __uintmax_t;
# 141 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/typesizes.h" 1 3 4
# 142 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/time64.h" 1 3 4
# 143 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
typedef unsigned long int __dev_t;
typedef unsigned int __uid_t;
typedef unsigned int __gid_t;
typedef unsigned long int __ino_t;
typedef unsigned long int __ino64_t;
typedef unsigned int __mode_t;
typedef unsigned long int __nlink_t;
typedef long int __off_t;
typedef long int __off64_t;
typedef int __pid_t;
typedef struct { int __val[2]; } __fsid_t;
typedef long int __clock_t;
typedef unsigned long int __rlim_t;
typedef unsigned long int __rlim64_t;
typedef unsigned int __id_t;
typedef long int __time_t;
typedef unsigned int __useconds_t;
typedef long int __suseconds_t;
typedef int __daddr_t;
typedef int __key_t;
typedef int __clockid_t;
typedef void * __timer_t;
typedef long int __blksize_t;
typedef long int __blkcnt_t;
typedef long int __blkcnt64_t;
typedef unsigned long int __fsblkcnt_t;
typedef unsigned long int __fsblkcnt64_t;
typedef unsigned long int __fsfilcnt_t;
typedef unsigned long int __fsfilcnt64_t;
typedef long int __fsword_t;
typedef long int __ssize_t;
typedef long int __syscall_slong_t;
typedef unsigned long int __syscall_ulong_t;
typedef __off64_t __loff_t;
typedef char *__caddr_t;
typedef long int __intptr_t;
typedef unsigned int __socklen_t;
typedef int __sig_atomic_t;
# 30 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __u_char u_char;
typedef __u_short u_short;
typedef __u_int u_int;
typedef __u_long u_long;
typedef __quad_t quad_t;
typedef __u_quad_t u_quad_t;
typedef __fsid_t fsid_t;
typedef __loff_t loff_t;
typedef __ino_t ino_t;
# 59 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __dev_t dev_t;
typedef __gid_t gid_t;
typedef __mode_t mode_t;
typedef __nlink_t nlink_t;
typedef __uid_t uid_t;
typedef __off_t off_t;
# 97 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __pid_t pid_t;
typedef __id_t id_t;
typedef __ssize_t ssize_t;
typedef __daddr_t daddr_t;
typedef __caddr_t caddr_t;
typedef __key_t key_t;
# 1 "/usr/include/x86_64-linux-gnu/bits/types/clock_t.h" 1 3 4
typedef __clock_t clock_t;
# 127 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h" 1 3 4
typedef __clockid_t clockid_t;
# 129 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/time_t.h" 1 3 4
typedef __time_t time_t;
# 130 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/timer_t.h" 1 3 4
typedef __timer_t timer_t;
# 131 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 144 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 145 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef unsigned long int ulong;
typedef unsigned short int ushort;
typedef unsigned int uint;
# 1 "/usr/include/x86_64-linux-gnu/bits/stdint-intn.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-intn.h" 3 4
typedef __int8_t int8_t;
typedef __int16_t int16_t;
typedef __int32_t int32_t;
typedef __int64_t int64_t;
# 156 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __uint8_t u_int8_t;
typedef __uint16_t u_int16_t;
typedef __uint32_t u_int32_t;
typedef __uint64_t u_int64_t;
typedef int register_t __attribute__ ((__mode__ (__word__)));
# 176 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/endian.h" 1 3 4
# 24 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/endian.h" 1 3 4
# 35 "/usr/include/x86_64-linux-gnu/bits/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/endianness.h" 1 3 4
# 36 "/usr/include/x86_64-linux-gnu/bits/endian.h" 2 3 4
# 25 "/usr/include/endian.h" 2 3 4
# 35 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 1 3 4
# 33 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
static __inline __uint16_t
__bswap_16 (__uint16_t __bsx)
{
return __builtin_bswap16 (__bsx);
}
static __inline __uint32_t
__bswap_32 (__uint32_t __bsx)
{
return __builtin_bswap32 (__bsx);
}
# 69 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
__extension__ static __inline __uint64_t
__bswap_64 (__uint64_t __bsx)
{
return __builtin_bswap64 (__bsx);
}
# 36 "/usr/include/endian.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/uintn-identity.h" 1 3 4
# 32 "/usr/include/x86_64-linux-gnu/bits/uintn-identity.h" 3 4
static __inline __uint16_t
__uint16_identity (__uint16_t __x)
{
return __x;
}
static __inline __uint32_t
__uint32_identity (__uint32_t __x)
{
return __x;
}
static __inline __uint64_t
__uint64_identity (__uint64_t __x)
{
return __x;
}
# 37 "/usr/include/endian.h" 2 3 4
# 177 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/sys/select.h" 1 3 4
# 30 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/select.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/select.h" 2 3 4
# 31 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h" 1 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h" 1 3 4
typedef struct
{
unsigned long int __val[(1024 / (8 * sizeof (unsigned long int)))];
} __sigset_t;
# 5 "/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h" 2 3 4
typedef __sigset_t sigset_t;
# 34 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h" 1 3 4
struct timeval
{
__time_t tv_sec;
__suseconds_t tv_usec;
};
# 38 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 3 4
struct timespec
{
__time_t tv_sec;
__syscall_slong_t tv_nsec;
# 26 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 3 4
};
# 40 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
typedef __suseconds_t suseconds_t;
typedef long int __fd_mask;
# 59 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
typedef struct
{
__fd_mask __fds_bits[1024 / (8 * (int) sizeof (__fd_mask))];
} fd_set;
typedef __fd_mask fd_mask;
# 91 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 101 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int select (int __nfds, fd_set *__restrict __readfds,
fd_set *__restrict __writefds,
fd_set *__restrict __exceptfds,
struct timeval *__restrict __timeout);
# 113 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int pselect (int __nfds, fd_set *__restrict __readfds,
fd_set *__restrict __writefds,
fd_set *__restrict __exceptfds,
const struct timespec *__restrict __timeout,
const __sigset_t *__restrict __sigmask);
# 126 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 180 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __blksize_t blksize_t;
typedef __blkcnt_t blkcnt_t;
typedef __fsblkcnt_t fsblkcnt_t;
typedef __fsfilcnt_t fsfilcnt_t;
# 227 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 1 3 4
# 44 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 1 3 4
# 21 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 2 3 4
# 45 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
typedef struct __pthread_internal_list
{
struct __pthread_internal_list *__prev;
struct __pthread_internal_list *__next;
} __pthread_list_t;
typedef struct __pthread_internal_slist
{
struct __pthread_internal_slist *__next;
} __pthread_slist_t;
# 74 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 3 4
struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
int __owner;
unsigned int __nusers;
int __kind;
short __spins;
short __elision;
__pthread_list_t __list;
# 53 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 3 4
};
# 75 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
# 87 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 3 4
struct __pthread_rwlock_arch_t
{
unsigned int __readers;
unsigned int __writers;
unsigned int __wrphase_futex;
unsigned int __writers_futex;
unsigned int __pad3;
unsigned int __pad4;
int __cur_writer;
int __shared;
signed char __rwelision;
unsigned char __pad1[7];
unsigned long int __pad2;
unsigned int __flags;
# 55 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 3 4
};
# 88 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
struct __pthread_cond_s
{
__extension__ union
{
__extension__ unsigned long long int __wseq;
struct
{
unsigned int __low;
unsigned int __high;
} __wseq32;
};
__extension__ union
{
__extension__ unsigned long long int __g1_start;
struct
{
unsigned int __low;
unsigned int __high;
} __g1_start32;
};
unsigned int __g_refs[2] ;
unsigned int __g_size[2];
unsigned int __g1_orig_size;
unsigned int __wrefs;
unsigned int __g_signals[2];
};
# 24 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 2 3 4
typedef unsigned long int pthread_t;
typedef union
{
char __size[4];
int __align;
} pthread_mutexattr_t;
typedef union
{
char __size[4];
int __align;
} pthread_condattr_t;
typedef unsigned int pthread_key_t;
typedef int pthread_once_t;
union pthread_attr_t
{
char __size[56];
long int __align;
};
typedef union pthread_attr_t pthread_attr_t;
typedef union
{
struct __pthread_mutex_s __data;
char __size[40];
long int __align;
} pthread_mutex_t;
typedef union
{
struct __pthread_cond_s __data;
char __size[48];
__extension__ long long int __align;
} pthread_cond_t;
typedef union
{
struct __pthread_rwlock_arch_t __data;
char __size[56];
long int __align;
} pthread_rwlock_t;
typedef union
{
char __size[8];
long int __align;
} pthread_rwlockattr_t;
typedef volatile int pthread_spinlock_t;
typedef union
{
char __size[32];
long int __align;
} pthread_barrier_t;
typedef union
{
char __size[4];
int __align;
} pthread_barrierattr_t;
# 228 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 395 "/usr/include/stdlib.h" 2 3 4
extern long int random (void) __attribute__ ((__nothrow__ , __leaf__));
extern void srandom (unsigned int __seed) __attribute__ ((__nothrow__ , __leaf__));
extern char *initstate (unsigned int __seed, char *__statebuf,
size_t __statelen) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern char *setstate (char *__statebuf) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
struct random_data
{
int32_t *fptr;
int32_t *rptr;
int32_t *state;
int rand_type;
int rand_deg;
int rand_sep;
int32_t *end_ptr;
};
extern int random_r (struct random_data *__restrict __buf,
int32_t *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int srandom_r (unsigned int __seed, struct random_data *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
size_t __statelen,
struct random_data *__restrict __buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2, 4)));
extern int setstate_r (char *__restrict __statebuf,
struct random_data *__restrict __buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int rand (void) __attribute__ ((__nothrow__ , __leaf__));
extern void srand (unsigned int __seed) __attribute__ ((__nothrow__ , __leaf__));
extern int rand_r (unsigned int *__seed) __attribute__ ((__nothrow__ , __leaf__));
extern double drand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern double erand48 (unsigned short int __xsubi[3]) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long int lrand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern long int nrand48 (unsigned short int __xsubi[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long int mrand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern long int jrand48 (unsigned short int __xsubi[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void srand48 (long int __seedval) __attribute__ ((__nothrow__ , __leaf__));
extern unsigned short int *seed48 (unsigned short int __seed16v[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void lcong48 (unsigned short int __param[7]) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
struct drand48_data
{
unsigned short int __x[3];
unsigned short int __old_x[3];
unsigned short int __c;
unsigned short int __init;
__extension__ unsigned long long int __a;
};
extern int drand48_r (struct drand48_data *__restrict __buffer,
double *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int erand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
double *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int lrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int nrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int mrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int jrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int seed48_r (unsigned short int __seed16v[3],
struct drand48_data *__buffer) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int lcong48_r (unsigned short int __param[7],
struct drand48_data *__buffer)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern void *malloc (size_t __size) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__))
__attribute__ ((__alloc_size__ (1))) ;
extern void *calloc (size_t __nmemb, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) __attribute__ ((__alloc_size__ (1, 2))) ;
extern void *realloc (void *__ptr, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__warn_unused_result__)) __attribute__ ((__alloc_size__ (2)));
extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__warn_unused_result__))
__attribute__ ((__alloc_size__ (2, 3)));
extern void free (void *__ptr) __attribute__ ((__nothrow__ , __leaf__));
# 1 "/usr/include/alloca.h" 1 3 4
# 24 "/usr/include/alloca.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 25 "/usr/include/alloca.h" 2 3 4
extern void *alloca (size_t __size) __attribute__ ((__nothrow__ , __leaf__));
# 569 "/usr/include/stdlib.h" 2 3 4
extern void *valloc (size_t __size) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__))
__attribute__ ((__alloc_size__ (1))) ;
extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
extern void *aligned_alloc (size_t __alignment, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) __attribute__ ((__alloc_size__ (2))) ;
extern void abort (void) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern int atexit (void (*__func) (void)) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int at_quick_exit (void (*__func) (void)) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void quick_exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void _Exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern char *getenv (const char *__name) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 647 "/usr/include/stdlib.h" 3 4
extern int putenv (char *__string) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int setenv (const char *__name, const char *__value, int __replace)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int unsetenv (const char *__name) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int clearenv (void) __attribute__ ((__nothrow__ , __leaf__));
# 675 "/usr/include/stdlib.h" 3 4
extern char *mktemp (char *__template) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 688 "/usr/include/stdlib.h" 3 4
extern int mkstemp (char *__template) __attribute__ ((__nonnull__ (1))) ;
# 710 "/usr/include/stdlib.h" 3 4
extern int mkstemps (char *__template, int __suffixlen) __attribute__ ((__nonnull__ (1))) ;
# 731 "/usr/include/stdlib.h" 3 4
extern char *mkdtemp (char *__template) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 784 "/usr/include/stdlib.h" 3 4
extern int system (const char *__command) ;
# 800 "/usr/include/stdlib.h" 3 4
extern char *realpath (const char *__restrict __name,
char *__restrict __resolved) __attribute__ ((__nothrow__ , __leaf__)) ;
typedef int (*__compar_fn_t) (const void *, const void *);
# 820 "/usr/include/stdlib.h" 3 4
extern void *bsearch (const void *__key, const void *__base,
size_t __nmemb, size_t __size, __compar_fn_t __compar)
__attribute__ ((__nonnull__ (1, 2, 5))) ;
extern void qsort (void *__base, size_t __nmemb, size_t __size,
__compar_fn_t __compar) __attribute__ ((__nonnull__ (1, 4)));
# 840 "/usr/include/stdlib.h" 3 4
extern int abs (int __x) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern long int labs (long int __x) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
__extension__ extern long long int llabs (long long int __x)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern div_t div (int __numer, int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern ldiv_t ldiv (long int __numer, long int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
__extension__ extern lldiv_t lldiv (long long int __numer,
long long int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
# 872 "/usr/include/stdlib.h" 3 4
extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *gcvt (double __value, int __ndigit, char *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3))) ;
extern char *qecvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qfcvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qgcvt (long double __value, int __ndigit, char *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3))) ;
extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf,
size_t __len) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf,
size_t __len) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qecvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qfcvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int mblen (const char *__s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern int mbtowc (wchar_t *__restrict __pwc,
const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern int wctomb (char *__s, wchar_t __wchar) __attribute__ ((__nothrow__ , __leaf__));
extern size_t mbstowcs (wchar_t *__restrict __pwcs,
const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern size_t wcstombs (char *__restrict __s,
const wchar_t *__restrict __pwcs, size_t __n)
__attribute__ ((__nothrow__ , __leaf__));
extern int rpmatch (const char *__response) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 957 "/usr/include/stdlib.h" 3 4
extern int getsubopt (char **__restrict __optionp,
char *const *__restrict __tokens,
char **__restrict __valuep)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2, 3))) ;
# 1003 "/usr/include/stdlib.h" 3 4
extern int getloadavg (double __loadavg[], int __nelem)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 1013 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdlib-float.h" 1 3 4
# 1014 "/usr/include/stdlib.h" 2 3 4
# 1023 "/usr/include/stdlib.h" 3 4
# 18 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 1 "/usr/include/assert.h" 1 3 4
# 66 "/usr/include/assert.h" 3 4
extern void __assert_fail (const char *__assertion, const char *__file,
unsigned int __line, const char *__function)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert_perror_fail (int __errnum, const char *__file,
unsigned int __line, const char *__function)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert (const char *__assertion, const char *__file, int __line)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 1 "/usr/include/stdio.h" 1 3 4
# 27 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 28 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 34 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h" 1 3 4
# 40 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h" 3 4
typedef __builtin_va_list __gnuc_va_list;
# 37 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h" 1 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h" 1 3 4
# 13 "/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h" 3 4
typedef struct
{
int __count;
union
{
unsigned int __wch;
char __wchb[4];
} __value;
} __mbstate_t;
# 6 "/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h" 2 3 4
typedef struct _G_fpos_t
{
__off_t __pos;
__mbstate_t __state;
} __fpos_t;
# 40 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h" 3 4
typedef struct _G_fpos64_t
{
__off64_t __pos;
__mbstate_t __state;
} __fpos64_t;
# 41 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__FILE.h" 1 3 4
struct _IO_FILE;
typedef struct _IO_FILE __FILE;
# 42 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/FILE.h" 1 3 4
struct _IO_FILE;
typedef struct _IO_FILE FILE;
# 43 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h" 1 3 4
# 35 "/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h" 3 4
struct _IO_FILE;
struct _IO_marker;
struct _IO_codecvt;
struct _IO_wide_data;
typedef void _IO_lock_t;
struct _IO_FILE
{
int _flags;
char *_IO_read_ptr;
char *_IO_read_end;
char *_IO_read_base;
char *_IO_write_base;
char *_IO_write_ptr;
char *_IO_write_end;
char *_IO_buf_base;
char *_IO_buf_end;
char *_IO_save_base;
char *_IO_backup_base;
char *_IO_save_end;
struct _IO_marker *_markers;
struct _IO_FILE *_chain;
int _fileno;
int _flags2;
__off_t _old_offset;
unsigned short _cur_column;
signed char _vtable_offset;
char _shortbuf[1];
_IO_lock_t *_lock;
__off64_t _offset;
struct _IO_codecvt *_codecvt;
struct _IO_wide_data *_wide_data;
struct _IO_FILE *_freeres_list;
void *_freeres_buf;
size_t __pad5;
int _mode;
char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];
};
# 44 "/usr/include/stdio.h" 2 3 4
# 52 "/usr/include/stdio.h" 3 4
typedef __gnuc_va_list va_list;
# 84 "/usr/include/stdio.h" 3 4
typedef __fpos_t fpos_t;
# 133 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdio_lim.h" 1 3 4
# 134 "/usr/include/stdio.h" 2 3 4
extern FILE *stdin;
extern FILE *stdout;
extern FILE *stderr;
extern int remove (const char *__filename) __attribute__ ((__nothrow__ , __leaf__));
extern int rename (const char *__old, const char *__new) __attribute__ ((__nothrow__ , __leaf__));
extern int renameat (int __oldfd, const char *__old, int __newfd,
const char *__new) __attribute__ ((__nothrow__ , __leaf__));
# 173 "/usr/include/stdio.h" 3 4
extern FILE *tmpfile (void) ;
# 187 "/usr/include/stdio.h" 3 4
extern char *tmpnam (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;
extern char *tmpnam_r (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;
# 204 "/usr/include/stdio.h" 3 4
extern char *tempnam (const char *__dir, const char *__pfx)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) ;
extern int fclose (FILE *__stream);
extern int fflush (FILE *__stream);
# 227 "/usr/include/stdio.h" 3 4
extern int fflush_unlocked (FILE *__stream);
# 246 "/usr/include/stdio.h" 3 4
extern FILE *fopen (const char *__restrict __filename,
const char *__restrict __modes) ;
extern FILE *freopen (const char *__restrict __filename,
const char *__restrict __modes,
FILE *__restrict __stream) ;
# 279 "/usr/include/stdio.h" 3 4
extern FILE *fdopen (int __fd, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;
# 292 "/usr/include/stdio.h" 3 4
extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
__attribute__ ((__nothrow__ , __leaf__)) ;
extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__));
extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
int __modes, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
size_t __size) __attribute__ ((__nothrow__ , __leaf__));
extern void setlinebuf (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int fprintf (FILE *__restrict __stream,
const char *__restrict __format, ...);
extern int printf (const char *__restrict __format, ...);
extern int sprintf (char *__restrict __s,
const char *__restrict __format, ...) __attribute__ ((__nothrow__));
extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg);
extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);
extern int vsprintf (char *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg) __attribute__ ((__nothrow__));
extern int snprintf (char *__restrict __s, size_t __maxlen,
const char *__restrict __format, ...)
__attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 4)));
extern int vsnprintf (char *__restrict __s, size_t __maxlen,
const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 0)));
# 379 "/usr/include/stdio.h" 3 4
extern int vdprintf (int __fd, const char *__restrict __fmt,
__gnuc_va_list __arg)
__attribute__ ((__format__ (__printf__, 2, 0)));
extern int dprintf (int __fd, const char *__restrict __fmt, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
extern int fscanf (FILE *__restrict __stream,
const char *__restrict __format, ...) ;
extern int scanf (const char *__restrict __format, ...) ;
extern int sscanf (const char *__restrict __s,
const char *__restrict __format, ...) __attribute__ ((__nothrow__ , __leaf__));
extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) __asm__ ("" "__isoc99_fscanf")
;
extern int scanf (const char *__restrict __format, ...) __asm__ ("" "__isoc99_scanf")
;
extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __asm__ ("" "__isoc99_sscanf") __attribute__ ((__nothrow__ , __leaf__))
;
# 432 "/usr/include/stdio.h" 3 4
extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 2, 0))) ;
extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 1, 0))) ;
extern int vsscanf (const char *__restrict __s,
const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));
extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vfscanf")
__attribute__ ((__format__ (__scanf__, 2, 0))) ;
extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vscanf")
__attribute__ ((__format__ (__scanf__, 1, 0))) ;
extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vsscanf") __attribute__ ((__nothrow__ , __leaf__))
__attribute__ ((__format__ (__scanf__, 2, 0)));
# 485 "/usr/include/stdio.h" 3 4
extern int fgetc (FILE *__stream);
extern int getc (FILE *__stream);
extern int getchar (void);
extern int getc_unlocked (FILE *__stream);
extern int getchar_unlocked (void);
# 510 "/usr/include/stdio.h" 3 4
extern int fgetc_unlocked (FILE *__stream);
# 521 "/usr/include/stdio.h" 3 4
extern int fputc (int __c, FILE *__stream);
extern int putc (int __c, FILE *__stream);
extern int putchar (int __c);
# 537 "/usr/include/stdio.h" 3 4
extern int fputc_unlocked (int __c, FILE *__stream);
extern int putc_unlocked (int __c, FILE *__stream);
extern int putchar_unlocked (int __c);
extern int getw (FILE *__stream);
extern int putw (int __w, FILE *__stream);
extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
;
# 603 "/usr/include/stdio.h" 3 4
extern __ssize_t __getdelim (char **__restrict __lineptr,
size_t *__restrict __n, int __delimiter,
FILE *__restrict __stream) ;
extern __ssize_t getdelim (char **__restrict __lineptr,
size_t *__restrict __n, int __delimiter,
FILE *__restrict __stream) ;
extern __ssize_t getline (char **__restrict __lineptr,
size_t *__restrict __n,
FILE *__restrict __stream) ;
extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
extern int puts (const char *__s);
extern int ungetc (int __c, FILE *__stream);
extern size_t fread (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) ;
extern size_t fwrite (const void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __s);
# 673 "/usr/include/stdio.h" 3 4
extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) ;
extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream);
extern int fseek (FILE *__stream, long int __off, int __whence);
extern long int ftell (FILE *__stream) ;
extern void rewind (FILE *__stream);
# 707 "/usr/include/stdio.h" 3 4
extern int fseeko (FILE *__stream, __off_t __off, int __whence);
extern __off_t ftello (FILE *__stream) ;
# 731 "/usr/include/stdio.h" 3 4
extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
extern int fsetpos (FILE *__stream, const fpos_t *__pos);
# 757 "/usr/include/stdio.h" 3 4
extern void clearerr (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int feof (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int ferror (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void clearerr_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int feof_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int ferror_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void perror (const char *__s);
# 1 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 1 3 4
# 26 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 3 4
extern int sys_nerr;
extern const char *const sys_errlist[];
# 782 "/usr/include/stdio.h" 2 3 4
extern int fileno (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int fileno_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
# 800 "/usr/include/stdio.h" 3 4
extern FILE *popen (const char *__command, const char *__modes) ;
extern int pclose (FILE *__stream);
extern char *ctermid (char *__s) __attribute__ ((__nothrow__ , __leaf__));
# 840 "/usr/include/stdio.h" 3 4
extern void flockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int ftrylockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void funlockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
# 858 "/usr/include/stdio.h" 3 4
extern int __uflow (FILE *);
extern int __overflow (FILE *, int);
# 873 "/usr/include/stdio.h" 3 4
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
void __DSVERIFIER_assume(_Bool expression){
__ESBMC_assume(expression);
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
}
void __DSVERIFIER_assert(_Bool expression){
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 36, __extension__ __PRETTY_FUNCTION__); }))
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
void __DSVERIFIER_assert_msg(_Bool expression, char * msg){
printf("%s", msg);
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 41, __extension__ __PRETTY_FUNCTION__); }))
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
# 22 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 1
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 1 3 4
# 9 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 3 4
# 1 "/usr/include/stdint.h" 1 3 4
# 26 "/usr/include/stdint.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 27 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wchar.h" 1 3 4
# 29 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 30 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
typedef __uint8_t uint8_t;
typedef __uint16_t uint16_t;
typedef __uint32_t uint32_t;
typedef __uint64_t uint64_t;
# 38 "/usr/include/stdint.h" 2 3 4
typedef __int_least8_t int_least8_t;
typedef __int_least16_t int_least16_t;
typedef __int_least32_t int_least32_t;
typedef __int_least64_t int_least64_t;
typedef __uint_least8_t uint_least8_t;
typedef __uint_least16_t uint_least16_t;
typedef __uint_least32_t uint_least32_t;
typedef __uint_least64_t uint_least64_t;
typedef signed char int_fast8_t;
typedef long int int_fast16_t;
typedef long int int_fast32_t;
typedef long int int_fast64_t;
# 71 "/usr/include/stdint.h" 3 4
typedef unsigned char uint_fast8_t;
typedef unsigned long int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
typedef unsigned long int uint_fast64_t;
# 87 "/usr/include/stdint.h" 3 4
typedef long int intptr_t;
typedef unsigned long int uintptr_t;
# 101 "/usr/include/stdint.h" 3 4
typedef __intmax_t intmax_t;
typedef __uintmax_t uintmax_t;
# 10 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 2 3 4
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 1 "/usr/include/inttypes.h" 1 3 4
# 34 "/usr/include/inttypes.h" 3 4
typedef int __gwchar_t;
# 266 "/usr/include/inttypes.h" 3 4
typedef struct
{
long int quot;
long int rem;
} imaxdiv_t;
# 290 "/usr/include/inttypes.h" 3 4
extern intmax_t imaxabs (intmax_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern intmax_t strtoimax (const char *__restrict __nptr,
char **__restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t strtoumax (const char *__restrict __nptr,
char ** __restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern intmax_t wcstoimax (const __gwchar_t *__restrict __nptr,
__gwchar_t **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t wcstoumax (const __gwchar_t *__restrict __nptr,
__gwchar_t ** __restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
# 432 "/usr/include/inttypes.h" 3 4
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
extern implementation impl;
typedef int64_t fxp_t;
fxp_t _fxp_one;
fxp_t _fxp_half;
fxp_t _fxp_minus_one;
fxp_t _fxp_min;
fxp_t _fxp_max;
double _dbl_max;
double _dbl_min;
fxp_t _fxp_fmask;
fxp_t _fxp_imask;
static const double scale_factor[31] = { 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0,
128.0, 256.0, 512.0, 1024.0, 2048.0, 4096.0, 8192.0, 16384.0, 32768.0,
65536.0, 131072.0, 262144.0, 524288.0, 1048576.0, 2097152.0, 4194304.0,
8388608.0, 16777216.0, 33554432.0, 67108864.0, 134217728.0,
268435456.0, 536870912.0, 1073741824.0 };
static const double scale_factor_inv[31] = { 1.0, 0.5, 0.25, 0.125, 0.0625,
0.03125, 0.015625, 0.0078125, 0.00390625, 0.001953125, 0.0009765625,
0.00048828125, 0.000244140625, 0.0001220703125, 0.00006103515625,
0.000030517578125, 0.000015258789063, 0.000007629394531,
0.000003814697266, 0.000001907348633, 0.000000953674316,
0.000000476837158, 0.000000238418579, 0.000000119209290,
0.000000059604645, 0.000000029802322, 0.000000014901161,
0.000000007450581, 0.000000003725290, 0.000000001862645,
0.000000000931323 };
static const float rand_uni[10000] = { -0.486240329978498f, -0.0886462298529236f, -0.140307596103306f, 0.301096597450952f, 0.0993171079928659f, 0.971751769763271f, 0.985173975730828f, 0.555993645184930f, 0.582088652691427f, -0.153377496651175f, 0.383610009058905f, -0.335724126391271f, 0.978768141636516f, -0.276250018648572f, 0.390075705739569f, -0.179022404038782f, 0.690083827115783f, -0.872530132490992f, -0.970585763293203f, -0.581476053441704f, -0.532614615674888f, -0.239699306693312f, -0.678183014035494f, 0.349502640932782f, -0.210469890686263f, 0.841262085391842f, -0.473585465151401f, 0.659383565443701f, -0.651160036945754f, -0.961043527561335f, -0.0814927639199137f, 0.621303110569702f, -0.784529166943541f, 0.0238464770757800f, 0.392694728594110f, 0.776848735202001f, 0.0870059709310509f, 0.880563655271790f, 0.883457036977564f, -0.249235082877382f, -0.691040749216870f, 0.578731120064320f, -0.973932858000832f, -0.117699105431720f, -0.723831748151088f, -0.483149657477524f, 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# 102 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t wrap(fxp_t kX, fxp_t kLowerBound, fxp_t kUpperBound)
{
int32_t range_size = kUpperBound - kLowerBound + 1;
if (kX < kLowerBound){
kX += range_size * ((kLowerBound - kX) / range_size + 1);
}
return kLowerBound + (kX - kLowerBound) % range_size;
}
fxp_t fxp_get_int_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_imask) : in & _fxp_imask);
}
fxp_t fxp_get_frac_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_fmask) : in & _fxp_fmask);
}
float fxp_to_float(fxp_t fxp);
fxp_t fxp_quantize(fxp_t aquant) {
if (overflow_mode == 2) {
if(aquant < _fxp_min) {
return _fxp_min;
}
else if(aquant > _fxp_max) {
return _fxp_max;
}
}
else if (overflow_mode == 3) {
if(aquant < _fxp_min || aquant > _fxp_max) {
return wrap(aquant, _fxp_min, _fxp_max);
}
}
return (fxp_t) aquant;
}
void fxp_verify_overflow(fxp_t value){
fxp_quantize(value);
printf("An Overflow Occurred in system's output");
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
void fxp_verify_overflow_node(fxp_t value, char* msg){
if (1 == 2)
{
printf("%s",msg);
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
}
void fxp_verify_overflow_array(fxp_t array[], int n){
int i=0;
for(i=0; i<n;i++){
fxp_verify_overflow(array[i]);
}
}
fxp_t fxp_int_to_fxp(int in) {
fxp_t lin;
lin = (fxp_t) in*_fxp_one;
return lin;
}
int fxp_to_int(fxp_t fxp) {
if(fxp >= 0){
fxp += _fxp_half;
} else {
fxp -= _fxp_half;
}
fxp >>= impl.frac_bits;
return (int) fxp;
}
fxp_t fxp_float_to_fxp(float f) {
fxp_t tmp;
double ftemp;
ftemp = f * scale_factor[impl.frac_bits];
if(f >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
return tmp;
}
fxp_t fxp_double_to_fxp(double value) {
fxp_t tmp;
double ftemp = value * scale_factor[impl.frac_bits];
if (rounding_mode == 0){
if(value >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
} else if(rounding_mode == 1){
tmp = (fxp_t) ftemp;
double residue = ftemp - tmp;
if ((value < 0) && (residue != 0)){
ftemp = ftemp - 1;
tmp = (fxp_t) ftemp;
}
} else if (rounding_mode == 0){
tmp = (fxp_t) ftemp;
}
return tmp;
}
void fxp_float_to_fxp_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_float_to_fxp(f[i]);
}
}
void fxp_double_to_fxp_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_double_to_fxp(f[i]);
}
}
# 275 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
float fxp_to_float(fxp_t fxp) {
float f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
double fxp_to_double(fxp_t fxp) {
double f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
void fxp_to_float_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_float(r[i]);
}
}
void fxp_to_double_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_double(r[i]);
}
}
fxp_t fxp_abs(fxp_t a) {
fxp_t tmp;
tmp = ((a < 0) ? -(fxp_t)(a) : a);
tmp = fxp_quantize(tmp);
return tmp;
}
fxp_t fxp_add(fxp_t aadd, fxp_t badd) {
fxp_t tmpadd;
tmpadd = ((fxp_t)(aadd) + (fxp_t)(badd));
tmpadd = fxp_quantize(tmpadd);
return tmpadd;
}
fxp_t fxp_sub(fxp_t asub, fxp_t bsub) {
fxp_t tmpsub;
tmpsub = (fxp_t)((fxp_t)(asub) - (fxp_t)(bsub));
tmpsub = fxp_quantize(tmpsub);
return tmpsub;
}
fxp_t fxp_mult(fxp_t amult, fxp_t bmult) {
fxp_t tmpmult, tmpmultprec;
tmpmult = (fxp_t)((fxp_t)(amult)*(fxp_t)(bmult));
if (tmpmult >= 0) {
tmpmultprec = (tmpmult + ((tmpmult & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits;
} else {
tmpmultprec = -(((-tmpmult) + (((-tmpmult) & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits);
}
tmpmultprec = fxp_quantize(tmpmultprec);
return tmpmultprec;
}
# 372 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_div(fxp_t a, fxp_t b){
__DSVERIFIER_assume( b!=0 );
fxp_t tmpdiv = ((a << impl.frac_bits) / b);
tmpdiv = fxp_quantize(tmpdiv);
return tmpdiv;
}
fxp_t fxp_neg(fxp_t aneg) {
fxp_t tmpneg;
tmpneg = -(fxp_t)(aneg);
tmpneg = fxp_quantize(tmpneg);
return tmpneg;
}
# 398 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_sign(fxp_t a) {
return ((a == 0) ? 0 : ((a < 0) ? _fxp_minus_one : _fxp_one) );
}
fxp_t fxp_shrl(fxp_t in, int shift) {
return (fxp_t) (((unsigned int) in) >> shift);
}
fxp_t fxp_square(fxp_t a) {
return fxp_mult(a, a);
}
void fxp_print_int(fxp_t a) {
printf("\n%i", (int32_t)a);
}
void fxp_print_float(fxp_t a) {
printf("\n%f", fxp_to_float(a));
}
void fxp_print_float_array(fxp_t a[], int N) {
int i;
for(i = 0; i < N; ++i) {
printf("\n%f", fxp_to_float(a[i]));
}
}
void print_fxp_array_elements(char * name, fxp_t * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %jd ", v[i]);
}
printf("}\n");
}
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 1
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
void initialize_array(double v[], int n){
int i;
for(i=0; i<n; i++){
v[i] = 0;
}
}
void revert_array(double v[], double out[], int n){
initialize_array(out,n);
int i;
for(i=0; i<n; i++){
out[i] = v[n-i-1];
}
}
double internal_pow(double a, double b){
int i;
double acc = 1;
for (i=0; i < b; i++){
acc = acc*a;
}
return acc;
}
double internal_abs(double a){
return a < 0 ? -a : a;
}
int fatorial(int n){
return n == 0 ? 1 : n * fatorial(n-1);
}
int check_stability(double a[], int n){
int lines = 2 * n - 1;
int columns = n;
double m[lines][n];
int i,j;
double current_stability[n];
for (i=0; i < n; i++){
current_stability[i] = a[i];
}
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
if (sum <= 0){
printf("[DEBUG] the first constraint of Jury criteria failed: (F(1) > 0)");
return 0;
}
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
if (sum <= 0){
printf("[DEBUG] the second constraint of Jury criteria failed: (F(-1)*(-1)^n > 0)");
return 0;
}
if (internal_abs(a[n-1]) > a[0]){
printf("[DEBUG] the third constraint of Jury criteria failed: (abs(a0) < a_{n}*z^{n})");
return 0;
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
}
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
}
}
}
int first_is_positive = m[0][0] >= 0 ? 1 : 0;
for (i=0; i < lines; i++){
if (i % 2 == 0){
int line_is_positive = m[i][0] >= 0 ? 1 : 0;
if (first_is_positive != line_is_positive){
return 0;
}
continue;
}
}
return 1;
}
void poly_sum(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
Nans = Na>Nb? Na:Nb;
for (i=0; i<Nans; i++){
if (Na>Nb){
ans[i]=a[i];
if (i > Na-Nb-1){
ans[i]=ans[i]+b[i-Na+Nb];
}
}else {
ans[i]=b[i];
if (i> Nb - Na -1){
ans[i]=ans[i]+a[i-Nb+Na];
}
}
}
}
void poly_mult(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
int j;
int k;
Nans = Na+Nb-1;
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=0;
}
}
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=ans[k]+a[Na - i - 1]*b[Nb - j - 1];
}
}
}
void double_check_oscillations(double * y, int y_size){
__DSVERIFIER_assume(y[0] != y[y_size - 1]);
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
((void) sizeof ((
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ; else __assert_fail (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
"!(window_count == window_size)"
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h", 209, __extension__ __PRETTY_FUNCTION__); }))
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
;
}
}else{
break;
}
window_timer++;
}
}
}
void double_check_limit_cycle(double * y, int y_size){
double reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assert(desired_elements != found_elements);
}
void double_check_persistent_limit_cycle(double * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
double reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
double lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void print_array_elements(char * name, double * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %.32f ", v[i]);
}
printf("}\n");
}
void double_add_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] + m2[i][j];
}
}
}
void double_sub_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] - m2[i][j];
}
}
}
void double_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, double m1[4][4], double m2[4][4], double m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
double mult = (m1[i][k] * m2[k][j]);
m3[i][j] = m3[i][j] + (m1[i][k] * m2[k][j]);
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
m3[i][j] = fxp_add( m3[i][j], fxp_mult(m1[i][k] , m2[k][j]));
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_exp_matrix(unsigned int lines, unsigned int columns, fxp_t m1[4][4], unsigned int expNumber, fxp_t result[4][4]){
unsigned int i, j, l, k;
fxp_t m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = fxp_double_to_fxp(1.0);
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = fxp_add( result[i][j], fxp_mult(m2[i][k] , m1[k][j]));
}
}
}
}
}
void double_exp_matrix(unsigned int lines, unsigned int columns, double m1[4][4], unsigned int expNumber, double result[4][4]){
unsigned int i, j, k, l;
double m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = 1.0;
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = result[i][j] + (m2[i][k] * m1[k][j]);
}
}
}
}
}
void fxp_add_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) {
result[i][j] = fxp_add(m1[i][j] , m2[i][j]);
}
}
void fxp_sub_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = fxp_sub(m1[i][j] , m2[i][j]);
}
void print_matrix(double matrix[4][4], unsigned int lines, unsigned int columns){
printf("\nMatrix\n=====================\n\n");
unsigned int i, j;
for (i=0; i<lines; i++) {
for (j=0; j<columns; j++) {
printf("#matrix[%d][%d]: %2.2f ", i,j,matrix[i][j]);
}
printf("\n");
}
printf("\n");
}
double determinant(double a[4][4],int n)
{
int i,j,j1,j2;
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
double fxp_determinant(fxp_t a_fxp[4][4],int n)
{
int i,j,j1,j2;
double a[4][4];
for(i=0; i<n;i++){
for(j=0; j<n;j++){
a[i][j]= fxp_to_double(a_fxp[i][j]);
}
}
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
void transpose(double a[4][4], double b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
void fxp_transpose(fxp_t a[4][4], fxp_t b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
extern int generic_timer;
extern hardware hw;
double generic_timing_shift_l_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[0];
generic_timer += ((5 * hw.assembly.ldd) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.ld));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < N - 1; i++) {
generic_timer += ((17 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (6 * hw.assembly.mov) + (2 * hw.assembly.adiw) + (5 * hw.assembly.std) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbc)+ (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
z[i] = z[i + 1];
}
z[N - 1] = zIn;
generic_timer += ((12 * hw.assembly.ldd) + (6 * hw.assembly.mov) + (3 * hw.assembly.std) + (2 * hw.assembly.lsl) + (2 * hw.assembly.rol) + (1 * hw.assembly.adc) + (1 * hw.assembly.add) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in)+ (1 * hw.assembly.cli));
generic_timer += ((3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret));
return (zOut);
}
double generic_timing_shift_r_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[N - 1];
generic_timer += ((7 * hw.assembly.ldd) + (2 * hw.assembly.rol) + (2 * hw.assembly.lsl) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.add) + (1 * hw.assembly.adc) + (1 * hw.assembly.ld) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci));
generic_timer += ((2 * hw.assembly.ldd) + (2 * hw.assembly.std) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.rjmp));
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
generic_timer += ((15 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (4 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
}
z[0] = zIn;
generic_timer += ((10 * hw.assembly.ldd) + (5 * hw.assembly.mov) + (3 * hw.assembly.std) + (3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret) + (1 * hw.assembly.ret) + (1 * hw.assembly.cli) + (1 * hw.assembly.in) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw));
return zOut;
}
fxp_t shiftL(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
fxp_t shiftR(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
float shiftLfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
float shiftRfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftRDdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
double shiftRdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftLDouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
void shiftLboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[0];
zfOut = zf[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
zf[i] = zf[i + 1];
}
z[N - 1] = zIn;
zf[N - 1] = zfIn;
}
void shiftRboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[N - 1];
zfOut = zf[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
zf[i] = zf[i - 1];
}
z[0] = zIn;
zf[0] = zfIn;
}
int order(int Na, int Nb) {
return Na > Nb ? Na - 1 : Nb - 1;
}
void fxp_check_limit_cycle(fxp_t y[], int y_size){
fxp_t reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
__DSVERIFIER_assume(found_elements > 0);
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assume(found_elements == desired_elements);
__DSVERIFIER_assert(0);
}
void fxp_check_persistent_limit_cycle(fxp_t * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
fxp_t reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
fxp_t lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void fxp_check_oscillations(fxp_t y[] , int y_size){
__DSVERIFIER_assume((y[0] != y[y_size - 1]) && (y[y_size - 1] != y[y_size - 2]));
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
__DSVERIFIER_assert(!(window_count == window_size));
}
}else{
break;
}
window_timer++;
}
}
}
int fxp_ln(int x) {
int t, y;
y = 0xa65af;
if (x < 0x00008000)
x <<= 16, y -= 0xb1721;
if (x < 0x00800000)
x <<= 8, y -= 0x58b91;
if (x < 0x08000000)
x <<= 4, y -= 0x2c5c8;
if (x < 0x20000000)
x <<= 2, y -= 0x162e4;
if (x < 0x40000000)
x <<= 1, y -= 0x0b172;
t = x + (x >> 1);
if ((t & 0x80000000) == 0)
x = t, y -= 0x067cd;
t = x + (x >> 2);
if ((t & 0x80000000) == 0)
x = t, y -= 0x03920;
t = x + (x >> 3);
if ((t & 0x80000000) == 0)
x = t, y -= 0x01e27;
t = x + (x >> 4);
if ((t & 0x80000000) == 0)
x = t, y -= 0x00f85;
t = x + (x >> 5);
if ((t & 0x80000000) == 0)
x = t, y -= 0x007e1;
t = x + (x >> 6);
if ((t & 0x80000000) == 0)
x = t, y -= 0x003f8;
t = x + (x >> 7);
if ((t & 0x80000000) == 0)
x = t, y -= 0x001fe;
x = 0x80000000 - x;
y -= x >> 15;
return y;
}
double fxp_log10_low(double x) {
int xint = (int) (x * 65536.0 + 0.5);
int lnum = fxp_ln(xint);
int lden = fxp_ln(655360);
return ((double) lnum / (double) lden);
}
double fxp_log10(double x) {
if (x > 32767.0) {
if (x > 1073676289.0) {
x = x / 1073676289.0;
return fxp_log10_low(x) + 9.030873362;
}
x = x / 32767.0;
return fxp_log10_low(x) + 4.515436681;
}
return fxp_log10_low(x);
}
float snrVariance(float s[], float n[], int blksz) {
int i;
double sm = 0, nm = 0, sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sm += s[i];
nm += n[i];
}
sm /= blksz;
nm /= blksz;
for (i = 0; i < blksz; i++) {
sv += (s[i] - sm) * (s[i] - sm);
nv += (n[i] - nm) * (n[i] - nm);
}
if (nv != 0.0f) {
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 373, __extension__ __PRETTY_FUNCTION__); }))
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPower(float s[], float n[], int blksz) {
int i;
double sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sv += s[i] * s[i];
nv += n[i] * n[i];
}
if (nv != 0.0f) {
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 394, __extension__ __PRETTY_FUNCTION__); }))
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPoint(float s[], float n[], int blksz) {
int i;
double ratio = 0, power = 0;
for (i = 0; i < blksz; i++) {
if(n[i] == 0) continue;
ratio = s[i] / n[i];
if(ratio > 150.0f || ratio < -150.0f) continue;
power = ratio * ratio;
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"power >= 1.0f"
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 412, __extension__ __PRETTY_FUNCTION__); }))
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
}
return 9999.9f;
}
unsigned long next = 1;
int rand(void)
{
next = next*1103515245 + 12345;
return (unsigned int)(next/65536) % 32768;
}
void srand(unsigned int seed)
{
next = seed;
}
float iirIIOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 450, __extension__ __PRETTY_FUNCTION__); }))
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return sum;
}
float iirIItOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 477, __extension__ __PRETTY_FUNCTION__); }))
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
double iirIItOutTime_double(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 504, __extension__ __PRETTY_FUNCTION__); }))
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
void iirOutBoth(float yf[], float xf[], float af[], float bf[], float *sumf_ref,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t *sum_ref, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
fxp_t sum = 0;
float sumf = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
af_ptr = &af[1];
yf_ptr = &yf[Na - 1];
bf_ptr = &bf[0];
xf_ptr = &xf[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
sumf += *bf_ptr++ * *xf_ptr--;
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
sumf -= *af_ptr++ * *yf_ptr--;
}
*sum_ref = sum;
*sumf_ref = sumf;
}
fxp_t iirOutFixedL(fxp_t y[], fxp_t x[], fxp_t xin, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
return sum;
}
float iirOutFloatL(float y[], float x[], float xin, float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum += *b_ptr-- * *x_ptr++;
}
x[Nb - 1] = xin;
sum += *b_ptr-- * *x_ptr++;
for (j = 1; j < Na - 1; j++) {
sum -= *a_ptr-- * *y_ptr++;
y[j] = y[j+1];
}
if(Na>1) sum -= *a_ptr-- * *y_ptr++;
y[Na - 1] = sum;
return sum;
}
float iirOutBothL(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[i] = xf[i+1];
sumf += *bf_ptr-- * *xf_ptr++;
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[Nb - 1] = xfin;
sumf += *bf_ptr-- * *xf_ptr++;
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
sumf -= *af_ptr-- * *yf_ptr++;
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
if(Na>1) sumf -= *af_ptr-- * *yf_ptr++;
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
float iirOutBothL2(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i=0, j=1;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[i] = xf[i+1];
sumf += bf[Nb - 1 - i] * xf[i];
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[Nb - 1] = xfin;
sumf += bf[Nb - 1 - i] * xf[i];
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[j] = y[j+1];
sumf -= af[Na - j] * yf[j];
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[Na - 1] = sum;
if(Na>1) sumf -= af[Na - j] * yf[j];
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
# 25 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
extern digital_system ds;
extern hardware hw;
extern int generic_timer;
fxp_t fxp_direct_form_1(fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
}
fxp_verify_overflow_node(sum, "An Overflow Occurred in the node a0");
sum = fxp_div(sum,a[0]);
return fxp_quantize(sum);
}
fxp_t fxp_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr, *w_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] = fxp_sub(w[0], fxp_mult(*a_ptr++, *w_ptr++));
}
w[0] = fxp_add(w[0], x);
w[0] = fxp_div(w[0], a[0]);
fxp_verify_overflow_node(w[0], "An Overflow Occurred in the node b0");
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *w_ptr++));
}
return fxp_quantize(sum);
}
fxp_t fxp_transposed_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr;
fxp_t yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = fxp_add(fxp_mult(*b_ptr++, x), w[0]);
yout = fxp_div(yout, a[0]);
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] = fxp_sub(w[j], fxp_mult(*a_ptr++, yout));
}
if (j < Nb - 1) {
w[j] = fxp_add(w[j], fxp_mult(*b_ptr++, x));
}
}
fxp_verify_overflow_node(w[j], "An Overflow Occurred in the node a0");
return fxp_quantize(yout);
}
double double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb) {
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
double double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
double double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
float float_direct_form_1(float y[], float x[], float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
float float_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
float float_transposed_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
double double_direct_form_1_MSP430(double y[], double x[], double a[], double b[], int Na, int Nb){
int timer1 = 0;
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
int i, j;
timer1 += 91;
for (i = 0; i < Nb; i++){
sum += *b_ptr++ * *x_ptr--;
timer1 += 47;
}
for (j = 1; j < Na; j++){
sum -= *a_ptr++ * *y_ptr--;
timer1 += 57;
}
timer1 += 3;
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 235, __extension__ __PRETTY_FUNCTION__); }))
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 262, __extension__ __PRETTY_FUNCTION__); }))
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_transposed_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 291, __extension__ __PRETTY_FUNCTION__); }))
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return yout;
}
double generic_timing_double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb){
generic_timer += ((6 * hw.assembly.push) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (12 * hw.assembly.std));
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
generic_timer += ((12 * hw.assembly.std) + (12 * hw.assembly.ldd) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (1 * hw.assembly.adiw));
int i, j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < Nb; i++){
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.sbc) + (10 * hw.assembly.std) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum += *b_ptr++ * *x_ptr--;
}
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++){
generic_timer += ((22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (8 * hw.assembly.std) + (1 * hw.assembly.sbci) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.sbc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum -= *a_ptr++ * *y_ptr--;
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (6 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
generic_timer += ((10 * hw.assembly.std) + (6 * hw.assembly.ldd) + (2 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
generic_timer += ((23 * hw.assembly.ldd) + (32 * hw.assembly.mov) + (9 * hw.assembly.std) + (2 * hw.assembly.subi) + (3 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (2 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge));
}
w[0] += x;
w_ptr = &w[0];
generic_timer += ((13 * hw.assembly.ldd) + (12 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.st) + (1 * hw.assembly.ld) + (1 * hw.assembly.rcall));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (10 * hw.assembly.std) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (8 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
generic_timer += ((15 * hw.assembly.std) + (22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.brge) + (1 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
generic_timer += ((70 * hw.assembly.mov) + (65 * hw.assembly.ldd) + (12 * hw.assembly.lsl) + (12 * hw.assembly.rol) + (15 * hw.assembly.std) + (6 * hw.assembly.add) + (6 * hw.assembly.adc) + (2 * hw.assembly.adiw) + (3 * hw.assembly.cpc) + (3 * hw.assembly.cp) + (5 * hw.assembly.ld) + (4 * hw.assembly.rcall) + (5 * hw.assembly.subi) + (3 * hw.assembly.rjmp) + (2 * hw.assembly.brlt) + (3 * hw.assembly.st) + (2 * hw.assembly.sbci) + (3 * hw.assembly.sbc) + (1 * hw.assembly.brge));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (8 * hw.assembly.pop) + (3 * hw.assembly.out) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (1 * hw.assembly.adiw) + (1 * hw.assembly.ret));
return yout;
}
void double_direct_form_1_impl2(double x[], int x_size, double b[], int b_size, double a[], int a_size, double y[]){
int i = 0; int j = 0;
double v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = v[i] + x[i-j] * b[j];
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = y[i] + v[i];
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = y[i] + y[i-j] * ((-1) * a[j]);
}
}
}
void fxp_direct_form_1_impl2(fxp_t x[], int x_size, fxp_t b[], int b_size, fxp_t a[], int a_size, fxp_t y[]){
int i = 0; int j = 0;
fxp_t v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = fxp_add(v[i], fxp_mult(x[i-j], b[j]));
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = fxp_add(y[i], v[i]);
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = fxp_add(y[i], fxp_mult(y[i-j] , -a[j]));
}
}
}
# 26 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h"
# 1 "/usr/include/assert.h" 1 3 4
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
# 1 "/usr/include/assert.h" 1 3 4
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
int nchoosek(int n, int k){
if (k == 0)
return 1;
return (n * nchoosek(n - 1, k - 1)) / k;
}
void generate_delta_coefficients(double vetor[], double out[], int n, double delta){
int i,j;
int N = n - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + vetor[j]*nchoosek(N-j,i-j);
}
out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
}
void get_delta_transfer_function(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
generate_delta_coefficients(b, b_out, b_size, delta);
generate_delta_coefficients(a, a_out, a_size, delta);
}
void get_delta_transfer_function_with_base(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
int i,j;
int N = a_size - 1;
int M = b_size - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + a[j]*nchoosek(N-j,i-j);
}
a_out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
for(i=0; i<=M; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + b[j]*nchoosek(M-j,i-j);
}
b_out[i] = internal_pow(delta,M-i)*sum_delta_operator;
}
}
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h" 1
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h"
void ft_closedloop_series(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_num + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1 ;
double den_mult [Nans_den];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, ans_num, Nans_num);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den );
poly_sum(ans_num, Nans_num , den_mult, Nans_den , ans_den, Nans_den);
}
void ft_closedloop_sensitivity(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
int Nans_num_p = Nc_num + Nmodel_num-1;
Nans_den = Nc_den + Nmodel_den-1;
Nans_num = Nc_den + Nmodel_den-1;
double num_mult [Nans_num_p];
poly_mult(c_den, Nc_den, model_den, Nmodel_den, ans_num, Nans_num);
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nans_num_p);
poly_sum(ans_num, Nans_num, num_mult, Nans_num_p, ans_den, Nans_den);
}
void ft_closedloop_feedback(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_den + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1;
int Nnum_mult = Nc_num + Nmodel_num - 1;
double den_mult [Nans_den];
double num_mult [Nnum_mult];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nnum_mult);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den);
poly_sum(num_mult, Nnum_mult, den_mult, Nans_den, ans_den, Nans_den);
poly_mult(c_den, Nc_den, model_num, Nmodel_num, ans_num, Nans_num);
}
int check_stability_closedloop(double a[], int n, double plant_num[], int p_num_size, double plant_den[], int p_den_size){
int columns = n;
double m[2 * n - 1][n];
int i,j;
int first_is_positive = 0;
double * p_num = plant_num;
double * p_den = plant_den;
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
__DSVERIFIER_assert(sum > 0);
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
__DSVERIFIER_assert(sum > 0);
__DSVERIFIER_assert(internal_abs(a[n-1]) < a[0]);
for (i=0; i < 2 * n - 1; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
__DSVERIFIER_assert(m[i-2][0] > 0);
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
__DSVERIFIER_assert((m[0][0] >= 0) && (m[i][0] >= 0));
}
}
}
return 1;
}
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
extern digital_system ds;
extern digital_system plant;
extern digital_system control;
extern implementation impl;
extern filter_parameters filter;
extern hardware hw;
void initialization(){
if (impl.frac_bits >= 32){
printf("impl.frac_bits must be less than word width!\n");
}
if (impl.int_bits >= 32 - impl.frac_bits){
printf("impl.int_bits must be less than word width subtracted by precision!\n");
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
((void) sizeof ((
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ; else __assert_fail (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
"0"
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h", 33, __extension__ __PRETTY_FUNCTION__); }))
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
;
}
if(impl.frac_bits >= 31){
_fxp_one = 0x7fffffff;
}else{
_fxp_one = (0x00000001 << impl.frac_bits);
}
_fxp_half = (0x00000001 << (impl.frac_bits - 1));
_fxp_minus_one = -(0x00000001 << impl.frac_bits);
_fxp_min = -(0x00000001 << (impl.frac_bits + impl.int_bits - 1));
_fxp_max = (0x00000001 << (impl.frac_bits + impl.int_bits - 1)) - 1;
_fxp_fmask = ((((int32_t) 1) << impl.frac_bits) - 1);
_fxp_imask = ((0x80000000) >> (32 - impl.frac_bits - 1));
_dbl_min = _fxp_min;
_dbl_min /= (1 << impl.frac_bits);
_dbl_max = _fxp_max;
_dbl_max /= (1 << impl.frac_bits);
if ((impl.scale == 0) || (impl.scale == 1)){
impl.scale = 1;
return;
}
if (impl.min != 0){
impl.min = impl.min / impl.scale;
}
if (impl.max != 0){
impl.max = impl.max / impl.scale;
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
}
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h"
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
double double_state_space_representation(void){
double result1[4][4];
double result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
return _controller.outputs[0][0];
}
double fxp_state_space_representation(void){
fxp_t result1[4][4];
fxp_t result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t D_fpx[4][4];
fxp_t states_fpx[4][4];
fxp_t inputs_fpx[4][4];
fxp_t outputs_fpx[4][4];
for(i=0; i<4;i++){
for(j=0; j<4;j++){
A_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
B_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
C_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
D_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
states_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
inputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
D_fpx[i][j]= fxp_double_to_fxp(_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
states_fpx[i][j]= fxp_double_to_fxp(_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
inputs_fpx[i][j]= fxp_double_to_fxp(_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]= fxp_double_to_fxp(_controller.outputs[i][j]);
}
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,C_fpx,states_fpx,result1);
fxp_matrix_multiplication(nOutputs,nInputs,nInputs,1,D_fpx,inputs_fpx,result2);
fxp_add_matrix(nOutputs,
1,
result1,
result2,
outputs_fpx);
fxp_matrix_multiplication(nStates,nStates,nStates,1,A_fpx,states_fpx,result1);
fxp_matrix_multiplication(nStates,nInputs,nInputs,1,B_fpx,inputs_fpx,result2);
fxp_add_matrix(nStates,
1,
result1,
result2,
states_fpx);
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= fxp_to_double(states_fpx[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j]= fxp_to_double(outputs_fpx[i][j]);
}
}
return _controller.outputs[0][0];
}
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h"
double sinTyl(double x, int precision){
double sine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
sine = aux;
if (precision >= 1)
{
aux = x;
sine += aux;
if (precision >= 2)
{
aux = aux*xsquared;
sine -= aux/6;
if (precision >= 3)
{
aux = aux*xsquared;
sine +=aux/120;
if(precision >=4)
{
aux = aux*xsquared;
sine -=aux/5040;
if(precision >= 5)
{
aux = aux*xsquared;
sine +=aux/362880;
if(precision >= 6)
{
aux = aux*xsquared;
sine -=aux/39916800;
if (precision >= 7)
printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return sine;
}
double cosTyl(double x, int precision){
double cosine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function cosTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
cosine = aux;
if (precision >= 1)
{
aux = 1;
cosine = 1;
if (precision >= 2)
{
aux = xsquared;
cosine -= aux/2;
if (precision >= 3)
{
aux = aux*xsquared;
cosine += aux/24;
if(precision >=4)
{
aux = aux*xsquared;
cosine -=aux/720;
if(precision >= 5)
{
aux = aux*xsquared;
cosine +=aux/40320;
if(precision >= 6)
{
aux = aux*xsquared;
cosine -=aux/3628800;
if (precision >= 7) printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return cosine;
}
double atanTyl(double x, int precision){
double atangent;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
atangent = aux;
if (precision >= 1)
{
aux = x;
atangent = aux;
if (precision >= 2)
{
aux = xsquared;
atangent -= aux/3;
if (precision >= 3)
{
aux = aux*xsquared;
atangent += aux/5;
if(precision >=4)
{
aux = aux*xsquared;
atangent -=aux/7;
if (precision >= 7)
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision representation exceeded. Assuming maximum precision of 4\n");
}
}
}
}
}
return atangent;
}
float sqrt1(const float x)
{
const float xhalf = 0.5f*x;
union
{
float x;
int i;
} u;
u.x = x;
u.i = 0x5f3759df - (u.i >> 1);
return x*u.x*(1.5f - xhalf*u.x*u.x);
}
float sqrt2(const float x)
{
union
{
int i;
float x;
} u;
u.x = x;
u.i = (1<<29) + (u.i >> 1) - (1<<22);
return u.x;
}
float fabsolut(float x)
{
if (x < 0)
x = -x;
return x;
}
static float sqrt3(float val)
{
float x = val/10;
float dx;
double diff;
double min_tol = 0.00001;
int i, flag;
flag = 0;
if (val == 0 ) x = 0;
else
{
for (i=1;i<20;i++)
{
if (!flag)
{
dx = (val - (x*x)) / (2.0 * x);
x = x + dx;
diff = val - (x*x);
if (fabsolut(diff) <= min_tol) flag = 1;
}
else x =x;
}
}
return (x);
}
# 31 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_overflow(void) {
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 73 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 123 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 174 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
}
overflow_mode = 1;
fxp_verify_overflow_array(y, X_SIZE_VALUE);
return 0;
}
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 1
# 15 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
int verify_limit_cycle_state_space(void){
double stateMatrix[4][4];
double outputMatrix[4][4];
double arrayLimitCycle[4];
double result1[4][4];
double result2[4][4];
int i, j, k;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
stateMatrix[i][j]=0;
outputMatrix[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
k = 0;
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
int l;
for(l = 0; l < nStates; l++){
stateMatrix[l][k] = _controller.states[l][0];
}
for(l = 0; l < nOutputs; l++){
stateMatrix[l][k] = _controller.outputs[l][0];
}
k++;
}
printf("#matrix STATES -------------------------------");
print_matrix(stateMatrix,nStates,0);
printf("#matrix OUTPUTS -------------------------------");
print_matrix(outputMatrix,nOutputs,0);
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 93, __extension__ __PRETTY_FUNCTION__); }))
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
for(i=0; i<nStates;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = stateMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
for(i=0; i<nOutputs;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = outputMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 110, __extension__ __PRETTY_FUNCTION__); }))
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
}
int verify_limit_cycle(void){
overflow_mode = 3;
int i;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
__DSVERIFIER_assert(X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na);
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 168 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t xaux[ds.b_size];
int nondet_constant_input = nondet_int();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = nondet_constant_input;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t y0[ds.a_size];
fxp_t waux[Nw];
fxp_t w0[Nw];
# 206 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
# 228 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 278 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 34 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
extern digital_system ds;
extern implementation impl;
int verify_error(void){
overflow_mode = 2;
double a_cascade[100];
int a_cascade_size;
double b_cascade[100];
int b_cascade_size;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
double yf[X_SIZE_VALUE];
double xf[X_SIZE_VALUE];
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
double yfaux[ds.a_size];
double xfaux[ds.b_size];
double wfaux[Nw];
int i;
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
yfaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
xfaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
wfaux[i] = 0;
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
yf[i] = 0.0f;
xf[i] = fxp_to_double(x[i]);
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 139 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
shiftRboth(0.0f, wfaux, 0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
yf[i] = double_direct_form_2(wfaux, xf[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 169 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
double absolute_error = yf[i] - fxp_to_double(y[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 35 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 1
# 13 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
int verify_zero_input_limit_cycle(void){
overflow_mode = 3;
int i,j;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
((void) sizeof ((
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ; else __assert_fail (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
"X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na"
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h", 23, __extension__ __PRETTY_FUNCTION__); }))
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 71 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = 0;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
fxp_t y0[ds.a_size];
fxp_t w0[Nw];
# 104 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
for(i=0; i<X_SIZE_VALUE; ++i){
# 132 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 188 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
extern hardware hw;
int generic_timer = 0;
int verify_generic_timing(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
double initial_timer = generic_timer;
for (i = 0; i < X_SIZE_VALUE; ++i) {
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.adiw) + (2 * hw.assembly.std));
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.cpi) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
# 79 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
generic_timing_shift_r_double(0, waux, Nw);
y[i] = generic_timing_double_direct_form_2(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
double spent_time = (((double) generic_timer) * hw.cycle);
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
((void) sizeof ((
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ; else __assert_fail (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
"spent_time <= ds.sample_time"
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h", 89, __extension__ __PRETTY_FUNCTION__); }))
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
;
generic_timer = initial_timer;
}
return 0;
}
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_timing_msp_430(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
shiftR(0, waux, Nw);
y[i] = double_direct_form_2_MSP430(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 121 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
}
return 0;
}
# 38 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
extern digital_system ds;
extern implementation impl;
int verify_stability(void){
overflow_mode = 0;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
((void) sizeof ((
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ; else __assert_fail (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
"check_stability(_a, ds.a_size)"
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h", 37, __extension__ __PRETTY_FUNCTION__); }))
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
;
# 83 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
return 0;
}
# 39 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
extern digital_system ds;
extern implementation impl;
int verify_minimum_phase(void){
overflow_mode = 0;
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
__DSVERIFIER_assert(check_stability(_b, ds.b_size));
# 85 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
return 0;
}
# 40 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_stability_closedloop_using_dslib(void){
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 68 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
printf("Verifying stability for closedloop function\n");
__DSVERIFIER_assert(check_stability_closedloop(ans_den, ans_den_size, p_num, p_num_size, p_den, p_den_size));
return 0;
}
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
double nondet_double();
int verify_limit_cycle_closed_loop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
int i;
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux[i] = nondet_constant_input;
}
double yaux[ans_den_size];
double y0[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux[Nw];
double w0[Nw];
# 105 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= impl.min && waux[i] <= impl.max);
w0[i] = waux[i];
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
# 128 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
shiftRDdouble(0, waux, Nw);
y[i] = double_direct_form_2(waux, x[i], ans_den, ans_num, ans_den_size, ans_num_size);
}
double_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 42 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_error_closedloop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.a;
int p_den_size = plant.a_size;
double ans_num_double[100];
double ans_num_qtz[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den_qtz[100];
double ans_den_double[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 77 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
int i;
double y_qtz[X_SIZE_VALUE];
double y_double[X_SIZE_VALUE];
double x_qtz[X_SIZE_VALUE];
double x_double[X_SIZE_VALUE];
double xaux_qtz[ans_num_size];
double xaux_double[ans_num_size];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x_qtz[i] = nondet_constant_input;
x_double[i] = nondet_constant_input;
y_qtz[i] = 0;
y_double[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux_qtz[i] = nondet_constant_input;
xaux_double[i] = nondet_constant_input;
}
double yaux_qtz[ans_den_size];
double yaux_double[ans_den_size];
double y0_qtz[ans_den_size];
double y0_double[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux_qtz[Nw];
double waux_double[Nw];
double w0_qtz[Nw];
double w0_double[Nw];
for (i = 0; i < Nw; ++i) {
waux_qtz[i] = 0;
waux_double[i] = 0;
}
for(i=0; i<X_SIZE_VALUE; ++i){
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
shiftRDdouble(0, waux_qtz, Nw);
y_qtz[i] = double_direct_form_2(waux_qtz, x_qtz[i], ans_den_qtz, ans_num_qtz, ans_den_size, ans_num_size);
shiftRDdouble(0, waux_double, Nw);
y_double[i] = double_direct_form_2(waux_double, x_double[i], ans_den_double, ans_num_double, ans_den_size, ans_num_size);
# 156 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
double absolute_error = y_double[i] - fxp_to_double(y_qtz[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 43 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double new_state[4][4];
double new_stateFWL[4][4];
digital_system_state_space _controller_fxp;
digital_system_state_space _controller_double;
double ss_system_quantization_error(fxp_t inputs){
digital_system_state_space __backupController;
int i;
int j;
_controller.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
__backupController.A[i][j]= (_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
__backupController.B[i][j]= (_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
__backupController.C[i][j]= (_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
__backupController.D[i][j]= (_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
__backupController.states[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
__backupController.inputs[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
__backupController.outputs[i][j]= (_controller.outputs[i][j]);
}
}
double __quant_error = 0.0;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_state[i][j]);
}
}
double output_double = double_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
__backupController.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
_controller.A[i][j] = __backupController.A[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
_controller.B[i][j] = __backupController.B[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
_controller.C[i][j] = __backupController.C[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
_controller.D[i][j] = __backupController.D[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j] = __backupController.states[i][j];
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
_controller.inputs[i][j] = __backupController.inputs[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j] = __backupController.outputs[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_stateFWL[i][j]);
}
}
double output_fxp = fxp_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
__quant_error = output_double - output_fxp;
return __quant_error;
}
double fxp_ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double temp_result1[4][4];
double result2[4][4];
double temp_states[4][4];
fxp_t K_fxp[4][4];
fxp_t states_fxp[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_fxp.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
reference_aux[i][j]=0;
K_fxp[i][j] = 0;
}
}
for(i=0; i<nInputs;i++){
reference_aux[i][0]= reference;
}
for(i=0; i<4;i++){
states_fxp[i][0]=0;
}
for(i=0; i<nStates;i++){
K_fxp[0][i]= fxp_double_to_fxp(_controller_fxp.K[0][i]);
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for(k=0; k<nStates;k++)
{
states_fxp[k][0]= fxp_double_to_fxp(_controller_fxp.states[k][0]);
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,K_fxp,states_fxp,result_fxp);
fxp_t reference_fxp[4][4];
fxp_t result_fxp2[4][4];
for(k=0;k<nInputs;k++)
{
reference_fxp[k][0] =fxp_double_to_fxp(fxp_quantize(reference_aux[k][0]));
}
fxp_sub_matrix(nInputs,1, reference_fxp, result_fxp, result_fxp2);
for(k=0; k<nInputs;k++)
{
_controller_fxp.inputs[k][0] = fxp_to_double(fxp_quantize(result_fxp2[k][0]));
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_fxp.C,_controller_fxp.states,result1);
if(flag == 1)
{
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_fxp.D,_controller_fxp.inputs,result2);
}
double_add_matrix(nOutputs,1,result1,result2,_controller_fxp.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_fxp.A,_controller_fxp.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_fxp.B,_controller_fxp.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_fxp.states);
return _controller_fxp.outputs[0][0];
}
double ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double result2[4][4];
unsigned int i;
unsigned int j;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_double.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference_aux[i][j]= reference;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.K,_controller_double.states,result1);
double_sub_matrix(nInputs,1,reference_aux,result1, _controller_double.inputs);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.C,_controller_double.states,result1);
if(flag == 1)
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_double.D,_controller_double.inputs,result2);
double_add_matrix(nOutputs,1,result1,result2,_controller_double.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_double.A,_controller_double.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_double.B,_controller_double.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_double.states);
return _controller_double.outputs[0][0];
}
int verify_error_state_space(void){
int i,j;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
_controller_fxp = _controller;
_controller_double = _controller;
overflow_mode = 0;
fxp_t x[0];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < 0; ++i) {
x[i] = nondet_constant_input;
}
double __quant_error;
if(closed_loop){
for (i = 0; i < 0; ++i) {
__quant_error = ss_closed_loop_quantization_error(x[i]) - fxp_ss_closed_loop_quantization_error(x[i]);
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 354, __extension__ __PRETTY_FUNCTION__); }))
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
else {
for (i=0; i < 0; i++)
{
__quant_error = ss_system_quantization_error(x[i]);
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 361, __extension__ __PRETTY_FUNCTION__); }))
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
return 0;
}
# 44 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double fxp_ss_closed_loop_safety(){
double reference[4][4];
double result1[4][4];
double result2[4][4];
fxp_t K_fpx[4][4];
fxp_t outputs_fpx[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]=0;
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result_fxp[i][j]=0;
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]= fxp_double_to_fxp(_controller.K[i][j]);
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
if(flag == 1){
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
}
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
for(k=0; k<nOutputs;k++){
for(j=0; j<1;j++){
outputs_fpx[k][j]= fxp_double_to_fxp(_controller.outputs[k][j]);
}
}
fxp_matrix_multiplication(nInputs,nOutputs,nOutputs,1,K_fpx,outputs_fpx,result_fxp);
for(k=0; k<nInputs;k++){
for(j=0; j<1;j++){
result1[k][j]= fxp_to_double(result_fxp[k][j]);
}
}
printf("### fxp: U (before) = %.9f", _controller.inputs[0][0]);
printf("### fxp: reference = %.9f", reference[0][0]);
printf("### fxp: result1 = %.9f", result1[0][0]);
printf("### fxp: reference - result1 = %.9f", (reference[0][0] - result1[0][0]));
double_sub_matrix(nInputs,
1,
reference,
result1,
_controller.inputs);
printf("### fxp: Y = %.9f", _controller.outputs[0][0]);
printf("### fxp: U (after) = %.9f \n### \n### ", _controller.inputs[0][0]);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
}
return _controller.outputs[0][0];
}
int verify_safety_state_space(void){
fxp_t output_fxp = fxp_ss_closed_loop_safety();
double output_double = fxp_to_double(output_fxp);
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
((void) sizeof ((
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ; else __assert_fail (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
"output_double <= error_limit"
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h", 140, __extension__ __PRETTY_FUNCTION__); }))
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
;
return 0;
}
# 45 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 1
# 14 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
extern digital_system_state_space _controller;
int verify_controllability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t controllabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double controllabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
A_fpx[i][j] = 0.0;
B_fpx[i][j] = 0.0;
controllabilityMatrix[i][j] = 0.0;
backup[i][j] = 0.0;
backupSecond[i][j] = 0.0;
controllabilityMatrix_double[i][j] = 0.0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
fxp_t mimo_controllabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_fxp);
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(mimo_controllabilityMatrix_fxp[i][j]);
}
}
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 91, __extension__ __PRETTY_FUNCTION__); }))
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
fxp_exp_matrix(nStates,nStates,A_fpx,j,backup);
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(controllabilityMatrix[i][j]);
}
}
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 113, __extension__ __PRETTY_FUNCTION__); }))
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
int verify_controllability_double(void){
int i;
int j;
double controllabilityMatrix[4][4];
double backup[4][4];
double backupSecond[4][4];
double controllabilityMatrix_double[4][4];
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
double_exp_matrix(nStates,nStates,_controller.A,l,backup);
l++;
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
double mimo_controllabilityMatrix_double[4][4];
double_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_double);
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(mimo_controllabilityMatrix_double,nStates) != 0"
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 154, __extension__ __PRETTY_FUNCTION__); }))
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
double_exp_matrix(nStates,nStates,_controller.A,j,backup);
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix,nStates) != 0"
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 163, __extension__ __PRETTY_FUNCTION__); }))
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
# 46 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
extern digital_system_state_space _controller;
int verify_observability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t observabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double observabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix[i][j]= 0;
A_fpx[i][j]=0;
C_fpx[i][j]= 0;
backup[i][j]= 0;
backupSecond[i][j]= 0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
if(nOutputs > 1){
int l;
j = 0;
for(l=0; l<nStates;){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(int k = 0; k < nOutputs; k++){
for(i = 0; i<nStates;i++){
observabilityMatrix[j][i]= backupSecond[k][i];
}
j++;
}
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nOutputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(observabilityMatrix,backup,(nStates*nOutputs),nStates);
# 99 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
fxp_t mimo_observabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nOutputs),(nStates*nOutputs),nStates,backup,observabilityMatrix,mimo_observabilityMatrix_fxp);
# 112 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(mimo_observabilityMatrix_fxp[i][j]);
}
}
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 119, __extension__ __PRETTY_FUNCTION__); }))
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}else{
for(i=0; i<nStates;i++){
fxp_exp_matrix(nStates,nStates,A_fpx,i,backup);
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(j = 0; j<nStates;j++){
observabilityMatrix[i][j]= backupSecond[0][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(observabilityMatrix[i][j]);
}
}
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 134, __extension__ __PRETTY_FUNCTION__); }))
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}
return 0;
}
# 47 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
extern filter_parameters filter;
extern implementation impl;
extern digital_system ds;
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
void resp_mag(double* num, int lnum, double* den, int lden, double* res, int N) {
double w;
int m, i;
double out_numRe[N + 1];
double out_numIm[N + 1];
double out_denRe[N + 1];
double out_denIm[N + 1];
double old_out_Re;
double zero_test;
for (w = 0, i = 0; w <= 3.14159265358979323846; w += 3.14159265358979323846 / N, ++i) {
out_numRe[i] = num[0];
out_numIm[i] = 0;
for (m = 1; m < lnum; ++m) {
old_out_Re = out_numRe[i];
out_numRe[i] = cosTyl(w, 6) * out_numRe[i] - sinTyl(w, 6) * out_numIm[i] + num[m];
out_numIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_numIm[i];
}
out_denRe[i] = den[0];
out_denIm[i] = 0;
for (m = 1; m < lden; ++m) {
old_out_Re = out_denRe[i];
out_denRe[i] = cosTyl(w, 6) * out_denRe[i] - sinTyl(w, 6) * out_denIm[i] + den[m];
out_denIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_denIm[i];
}
res[i] = sqrt3(out_numRe[i] * out_numRe[i] + out_numIm[i] * out_numIm[i]);
zero_test = sqrt3(out_denRe[i] * out_denRe[i] + out_denIm[i] * out_denIm[i]);
__DSVERIFIER_assume(zero_test != 0);
res[i] = res[i] / zero_test;
}
}
int verify_magnitude(void) {
int freq_response_samples = 100;
double w;
double w_incr = 1.0 / freq_response_samples;
double res[freq_response_samples+1];
int i,j;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
resp_mag(ds.b, ds.b_size, ds.a, ds.a_size, res, freq_response_samples);
if (filter.type == 1) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wp) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w >= filter.wr) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
}
}
} else if (filter.type == 2) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wr) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w > filter.wp) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
}
}
} else {
__DSVERIFIER_assert(0);
}
return 0;
}
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
extern digital_system ds;
extern digital_system plant;
digital_system plant_cbmc;
extern digital_system controller;
extern implementation impl;
extern hardware hw;
extern digital_system_state_space _controller;
extern filter_parameters filter;
unsigned int nondet_uint();
extern void initials();
void validation();
void call_verification_task(void * verification_task);
void call_closedloop_verification_task(void * closedloop_verification_task);
float nondet_float();
double nondet_double();
int main(){
initialization();
validation();
if (1 == 0)
rounding_mode = 0;
else if (1 == 1)
rounding_mode = 1;
else if (1 == 2)
rounding_mode = 2;
if (2 == 3)
{
call_verification_task(&verify_overflow);
}
else if (2 == 2)
{
call_verification_task(&verify_limit_cycle);
}
else if (2 == 6)
{
call_verification_task(&verify_error);
}
else if (2 == 1)
{
call_verification_task(&verify_zero_input_limit_cycle);
}
else if (2 == 4)
{
call_verification_task(&verify_timing_msp_430);
}
else if (2 == 5)
{
call_verification_task(&verify_generic_timing);
}
else if (2 == 7)
{
call_verification_task(&verify_stability);
}
else if (2 == 8)
{
call_verification_task(&verify_minimum_phase);
}
else if (2 == 9)
{
call_closedloop_verification_task(&verify_stability_closedloop_using_dslib);
}
else if (2 == 10)
{
call_closedloop_verification_task(&verify_limit_cycle_closed_loop);
}
else if (2 == 11)
{
call_closedloop_verification_task(&verify_error_closedloop);
}
else if (2 == 12)
{
verify_error_state_space();
}
else if (2 == 16)
{
verify_safety_state_space();
}
else if (2 == 13)
{
verify_controllability();
}
else if (2 == 14)
{
verify_observability();
}
else if (2 == 15)
{
verify_limit_cycle_state_space();
}
else if (2 == 18)
{
call_verification_task(&verify_magnitude);
}
return 0;
}
void validation()
{
if (2 == 12 || 2 == 16 ||
2 == 15 || 2 == 13 ||
2 == 14)
{
if (0 == 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a K_SIZE to use this property in DSVerifier (use: -DK_SIZE=VALUE) *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
exit(1);
}
initials();
return;
}
if (((2 != 9) && (2 != 10) &&
(2 != 11)) && (ds.a_size == 0 || ds.b_size == 0))
{
printf("\n\n****************************************************************************\n");
printf("* set (ds and impl) parameters to check with DSVerifier *\n");
printf("****************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((2 == 9) || (2 == 10) ||
(2 == 11))
{
if (controller.a_size == 0 || plant.b_size == 0 || impl.int_bits == 0 )
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller, plant, and impl) parameters to check CLOSED LOOP with DSVerifier *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller and impl) parameters so that they do not overflow *\n");
printf("*****************************************************************************************************\n");
unsigned j;
for (j = 0; j < controller.a_size; ++j)
{
const double value=controller.a[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
for (j = 0; j < controller.b_size; ++j)
{
const double value=controller.b[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
}
if (controller.b_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.b_size; ++j)
{
if (controller.b[j]==0)
++zeros;
}
if (zeros == controller.b_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller numerator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (controller.a_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.a_size; ++j)
{
if (controller.a[j]==0)
++zeros;
}
if (zeros == controller.a_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller denominator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (0 == 0)
{
printf("\n\n***************************************************************************************************************\n");
printf("* set a connection mode to check CLOSED LOOP with DSVerifier (use: --connection-mode TYPE) *\n");
printf("***************************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (2 == 0)
{
printf("\n\n***************************************************************************************\n");
printf("* set the property to check with DSVerifier (use: --property NAME) *\n");
printf("***************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((2 == 3) || (2 == 2) || (2 == 1) ||
(2 == 10) || (2 == 11) ||
(2 == 4 || 2 == 5) || 2 == 6)
{
if ((10 == 0) && !(0 == 1))
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE to use this property in DSVerifier (use: --x-size VALUE) *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else if (0 == 1)
{
X_SIZE_VALUE = nondet_uint();
__DSVERIFIER_assume( X_SIZE_VALUE > (2 * ds.a_size));
}
else if (10 < 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE > 0 *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
X_SIZE_VALUE = 10;
}
}
if ((2 == 0) && (2 != 9) && (2 != 18))
{
printf("\n\n*********************************************************************************************\n");
printf("* set the realization to check with DSVerifier (use: --realization NAME) *\n");
printf("*********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if (2 == 6 || 2 == 11)
{
if (impl.max_error == 0)
{
printf("\n\n***********************************************************************\n");
printf("* provide the maximum expected error (use: impl.max_error) *\n");
printf("***********************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (2 == 4 || 2 == 5)
{
if (2 == 5 || 2 == 4)
{
if (hw.clock == 0l)
{
printf("\n\n***************************\n");
printf("* Clock could not be zero *\n");
printf("***************************\n");
__DSVERIFIER_assert(0);
}
hw.cycle = ((double) 1.0 / hw.clock);
if (hw.cycle < 0)
{
printf("\n\n*********************************************\n");
printf("* The cycle time could not be representable *\n");
printf("*********************************************\n");
__DSVERIFIER_assert(0);
}
if (ds.sample_time == 0)
{
printf("\n\n*****************************************************************************\n");
printf("* provide the sample time of the digital system (ds.sample_time) *\n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
}
if (2 == 18)
{
if (!((filter.Ap > 0) && (filter.Ac >0) && (filter.Ar >0)))
{
printf("\n\n*****************************************************************************\n");
printf("* set values bigger than 0 for Ap, Ac and Ar* \n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if ((2 == 7) || (2 == 8) || (2 == 9) ||
(2 == 10) || (2 == 11) || (2 == 12))
{
printf("\n\n******************************************\n");
printf("* Temporarily the cascade modes are disabled *\n");
printf("**********************************************\n");
__DSVERIFIER_assert(0);
}
}
void call_verification_task(void * verification_task)
{
int i = 0;
_Bool base_case_executed = 0;
if (0 == 2)
{
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ds.b_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ds.a_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
else
{
int i=0;
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ((ds.b[i] * ds.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ((ds.a[i] * ds.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
((void(*)())verification_task)();
}
void call_closedloop_verification_task(void * closedloop_verification_task)
{
_Bool base_case_executed = 0;
int i=0;
for(i=0; i<plant.b_size; i++)
{
if (plant.b_uncertainty[i] > 0)
{
double factor = ((plant.b[i] * plant.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.b[i] - factor;
double max = plant.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant.b[i] = nondet_double();
__DSVERIFIER_assume((plant.b[i] >= min) && (plant.b[i] <= max));
}else{
}
}
for(i=0; i<plant.a_size; i++)
{
if (plant.a_uncertainty[i] > 0)
{
double factor = ((plant.a[i] * plant.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.a[i] - factor;
double max = plant.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant.a[i] = nondet_double();
__DSVERIFIER_assume((plant.a[i] >= min) && (plant.a[i] <= max));
}
else
{
}
}
((void(*)())closedloop_verification_task)();
}
# 2 "benchmarks/ds-07-impl1.c" 2
digital_system ds = {
.b = { 0.1, -0.09998 },
.b_size = 2,
.a = { 1.0, -1.0 },
.a_size = 2,
.sample_time = 0.02
};
implementation impl = {
.int_bits = 4,
.frac_bits = 12,
.max = 1.0,
.min = -1.0
};
|
the_stack_data/686625.c
|
/* { dg-do run } */
/* { dg-options "-fwhole-program" } */
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
void mem_init (void);
int ARCHnodes, ARCHnodes1;
int ***vel;
/* The last dimension of VEL escapes because of
the assignment : vel[1][1] =...
Only the two external dimensions are flattened. */
/*--------------------------------------------------------------------------*/
int
main (int argc, char **argv)
{
int i, j, k;
ARCHnodes = 2;
ARCHnodes1 = 4;
/* Dynamic memory allocations and initializations */
mem_init ();
for (i = 0; i < ARCHnodes; i++)
{
for (j = 0; j < 3; j++)
{
for (k = 0; k < ARCHnodes1; k++)
printf ("[%d][%d][%d]=%d ", i, j, k, vel[i][j][k]);
printf ("\n");
}
printf ("\n");
}
for (i = 0; i < ARCHnodes; i++)
for (j = 0; j < 3; j++)
printf ("%x\n",vel[i][j]);
/*if (i!=1 || j!=1)*/
/*if (i==1 && j==1)
continue;
else
free (vel[i][j]);*/
for (i = 0; i < ARCHnodes; i++)
free (vel[i]);
free (vel);
return 0;
}
/*--------------------------------------------------------------------------*/
/* Dynamic memory allocations and initializations */
void
mem_init (void)
{
int i, j, k,d;
d = 0;
vel = (int ***) malloc (ARCHnodes * sizeof (int **));
for (i = 0; i < ARCHnodes; i++)
{
vel[i] = (int **) malloc (3 * sizeof (int *));
if (vel[i] == (int **) NULL)
{
printf ("malloc failed for vel[%d]\n", i);
exit (0);
}
}
for (i = 0; i < ARCHnodes; i++)
{
for (j = 0; j < 3; j++)
{
vel[i][j] = (int *) malloc (ARCHnodes1 * sizeof (int));
printf ("%x %d %d\n",vel[i][j], ARCHnodes1, sizeof (int));
}
}
for (i = 0; i < ARCHnodes; i++)
{
for (j = 0; j < 3; j++)
{
printf ("%x\n",vel[i][j]);
}
}
printf ("again:\n\n");
for (i = 0; i < ARCHnodes; i++)
{
for (j = 0; j < 3; j++)
{
printf ("%x\n",vel[i][j]);
/*for (k = 0; k < ARCHnodes1; k++)
{
vel[i][j][k] = d;
d++;
}*/
}
}
/*vel[1][1] = vel[0][1];*/
}
/*--------------------------------------------------------------------------*/
|
the_stack_data/60251.c
|
#include <stdio.h>
int fred()
{
printf("fred\n");
return 0;
}
int joe()
{
printf("joe\n");
return 1;
}
int main()
{
printf("%d\n", fred() && joe());
printf("%d\n", fred() || joe());
printf("%d\n", joe() && fred());
printf("%d\n", joe() || fred());
printf("%d\n", fred() && (1 + joe()));
printf("%d\n", fred() || (0 + joe()));
printf("%d\n", joe() && (0 + fred()));
printf("%d\n", joe() || (1 + fred()));
return 0;
}
|
the_stack_data/187642030.c
|
#include<stdio.h>
// STACK INITIALIZATION
int stack[15];
int size=15;
int top=-1;
int v,e;
// FUNCTION DEFINATIONS
void dfs(int g[v][v],int visit_array[v],int);
void push(int);
int pop();
// FUNCTION TO CREATE A GRAPH
void create_g()
{
printf("Enter Number of Vertices : ");
scanf("%d",&v);
int g[v][v];
int visit_array[v];
memset(visit_array,0,sizeof(visit_array[0])*v*v);
int i,j;
printf("Input Number of Edges : ");
scanf("%d",&e);
int s,d;
printf("Enter edges : Note that source vertex is 0\n");
for(i=0;i<e;i++){
printf("Source : ");
scanf("%d",&s);
printf("Destination : ");
scanf("%d",&d);
g[s][d]=1; //=weight (for weighted graph)
g[d][s]=1; //(for undirected graph)
}
// CALL DEPTH FIRST SEARCH
dfs(g,visit_array,0); //0=from where we want to start
}
//MAIN FUNCTION
int main(){
//CALL CREATE GRAPH FUNCTION
create_g();
return 0;
}
void dfs(int g[v][v],int visit_array[v],int start)
{
printf("\n\nSTART DEPTH FIRST SEARCH");
int i;
//PUSH INITIAL ELEMENT IN THE STACK
push(start);
// SET THE VISIT STATUS EQUAL TO 1 FOR THAT ELEMENT.
visit_array[start]=1;
// INITIALIZE RESULTANT ARRAY
int res[v];
int cnt = 0;
// LOOP UNTIL STACK IS NOT EMPTY
while(top!=-1)
{
// POP THE TOP OF STACK OUT
//AND USE IT AS THE SOURCE VERTEX
start=pop();
printf("SOURCE : %d NOW,",start);
// ENTER THIS SOURCE VERTEX IN THE RESULTANT ARRAY
res[cnt] = start;
cnt++;
printf("SEARCHING ITS ADJACENT ELEMENTS..\n");
for(i=0;i<v;i++){
// FIND THE ADJACENT NODES OF THE SOURCE
// WHICH ARE NOT VISITED
if(g[start][i]==1&&visit_array[i]==0){
// PUSH THIS UNVISITED AJACENT NODE INTO THE STACK
push(i);
// SET ITS VISIT STATUS EQUAL TO TRUE
visit_array[i]=1;
}
}
printf("\n\n");
}
printf("\n Traversal Result is:\n");
for(i=0;i<v;i++){
printf("%d\t",res[i]);
}
}
// ---------------- STACK FUNCTIONS --------------
void push(int node)
{
if(top==size-1)
printf("overflow");
else
{
printf("ELEMENT STACKED - %d\n",node);
top++;
stack[top]=node;
}
}
int pop()
{
int node;
if(top==-1)
printf("underflow");
else
{
node=stack[top];
printf("NODE ENTERED IN THE RESULTANT ARRAY:%d \n",node);
top--;
return node;
}
}
|
the_stack_data/47517.c
|
#include <term.h>
#define key_f39 tigetstr("kf39")
/** f39 key **/
/*
TERMINFO_NAME(kf39)
TERMCAP_NAME(F3)
XOPEN(400)
*/
|
the_stack_data/93887259.c
|
#include <stdio.h>
int main()
{
int x;
int *p = &x;
scanf("%d", &x);
printf("%d...%d\n", *p/10, *p%10);
return 0;
}
|
the_stack_data/80717.c
|
void kernel_fdtd_2d(int tmax,
int nx,
int ny,
double ex[ 1000 + 0][1200 + 0],
double ey[ 1000 + 0][1200 + 0],
double hz[ 1000 + 0][1200 + 0],
double _fict_[ 500 + 0])
{
int t, i, j;
for(t = 0; t < tmax; t++)
{
for (j = 0; j < ny; j++)
ey[0][j] = _fict_[t];
#pragma clang loop(i1, j1) tile sizes(64, 16)
#pragma clang loop id(i1)
for (i = 1; i < nx; i++)
#pragma clang loop id(j1)
for (j = 0; j < ny; j++)
ey[i][j] = ey[i][j] - 0.5*(hz[i][j]-hz[i-1][j]);
#pragma clang loop(i2, j2) tile sizes(64, 16)
#pragma clang loop id(i2)
for (i = 0; i < nx; i++)
#pragma clang loop id(j2)
for (j = 1; j < ny; j++)
ex[i][j] = ex[i][j] - 0.5*(hz[i][j]-hz[i][j-1]);
#pragma clang loop(i3, j3) tile sizes(64,16)
#pragma clang loop id(i3)
for (i = 0; i < nx - 1; i++)
#pragma clang loop id(j3)
for (j = 0; j < ny - 1; j++)
hz[i][j] = hz[i][j] - 0.7* (ex[i][j+1] - ex[i][j] +
ey[i+1][j] - ey[i][j]);
}
}
|
the_stack_data/401677.c
|
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <[email protected]>
*
*/
#ifdef LIBOHIBOARD_ETHERNET_LWIP_2_0_3
#include "lwip/apps/httpd_opts.h"
#include "lwip/def.h"
#include "lwip/apps/fs.h"
#include "fsdata.h"
#include <string.h>
#if HTTPD_USE_CUSTOM_FSDATA
#include "fsdata_custom.c"
#else /* HTTPD_USE_CUSTOM_FSDATA */
#include "fsdata.c"
#endif /* HTTPD_USE_CUSTOM_FSDATA */
/*-----------------------------------------------------------------------------------*/
#if LWIP_HTTPD_CUSTOM_FILES
int fs_open_custom(struct fs_file *file, const char *name);
void fs_close_custom(struct fs_file *file);
#if LWIP_HTTPD_FS_ASYNC_READ
u8_t fs_canread_custom(struct fs_file *file);
u8_t fs_wait_read_custom(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg);
int fs_read_async_custom(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, void *callback_arg);
#else /* LWIP_HTTPD_FS_ASYNC_READ */
int fs_read_custom(struct fs_file *file, char *buffer, int count);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
#endif /* LWIP_HTTPD_CUSTOM_FILES */
/*-----------------------------------------------------------------------------------*/
err_t
fs_open(struct fs_file *file, const char *name)
{
const struct fsdata_file *f;
if ((file == NULL) || (name == NULL)) {
return ERR_ARG;
}
#if LWIP_HTTPD_CUSTOM_FILES
if (fs_open_custom(file, name)) {
file->is_custom_file = 1;
return ERR_OK;
}
file->is_custom_file = 0;
#endif /* LWIP_HTTPD_CUSTOM_FILES */
for (f = FS_ROOT; f != NULL; f = f->next) {
if (!strcmp(name, (const char *)f->name)) {
file->data = (const char *)f->data;
file->len = f->len;
file->index = f->len;
file->pextension = NULL;
file->flags = f->flags;
#if HTTPD_PRECALCULATED_CHECKSUM
file->chksum_count = f->chksum_count;
file->chksum = f->chksum;
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
#if LWIP_HTTPD_FILE_STATE
file->state = fs_state_init(file, name);
#endif /* #if LWIP_HTTPD_FILE_STATE */
return ERR_OK;
}
}
/* file not found */
return ERR_VAL;
}
/*-----------------------------------------------------------------------------------*/
void
fs_close(struct fs_file *file)
{
#if LWIP_HTTPD_CUSTOM_FILES
if (file->is_custom_file) {
fs_close_custom(file);
}
#endif /* LWIP_HTTPD_CUSTOM_FILES */
#if LWIP_HTTPD_FILE_STATE
fs_state_free(file, file->state);
#endif /* #if LWIP_HTTPD_FILE_STATE */
LWIP_UNUSED_ARG(file);
}
/*-----------------------------------------------------------------------------------*/
#if LWIP_HTTPD_DYNAMIC_FILE_READ
#if LWIP_HTTPD_FS_ASYNC_READ
int
fs_read_async(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, void *callback_arg)
#else /* LWIP_HTTPD_FS_ASYNC_READ */
int
fs_read(struct fs_file *file, char *buffer, int count)
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
{
int read;
if(file->index == file->len) {
return FS_READ_EOF;
}
#if LWIP_HTTPD_FS_ASYNC_READ
LWIP_UNUSED_ARG(callback_fn);
LWIP_UNUSED_ARG(callback_arg);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
#if LWIP_HTTPD_CUSTOM_FILES
if (file->is_custom_file) {
#if LWIP_HTTPD_FS_ASYNC_READ
return fs_read_async_custom(file, buffer, count, callback_fn, callback_arg);
#else /* LWIP_HTTPD_FS_ASYNC_READ */
return fs_read_custom(file, buffer, count);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
}
#endif /* LWIP_HTTPD_CUSTOM_FILES */
read = file->len - file->index;
if(read > count) {
read = count;
}
MEMCPY(buffer, (file->data + file->index), read);
file->index += read;
return(read);
}
#endif /* LWIP_HTTPD_DYNAMIC_FILE_READ */
/*-----------------------------------------------------------------------------------*/
#if LWIP_HTTPD_FS_ASYNC_READ
int
fs_is_file_ready(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg)
{
if (file != NULL) {
#if LWIP_HTTPD_FS_ASYNC_READ
#if LWIP_HTTPD_CUSTOM_FILES
if (!fs_canread_custom(file)) {
if (fs_wait_read_custom(file, callback_fn, callback_arg)) {
return 0;
}
}
#else /* LWIP_HTTPD_CUSTOM_FILES */
LWIP_UNUSED_ARG(callback_fn);
LWIP_UNUSED_ARG(callback_arg);
#endif /* LWIP_HTTPD_CUSTOM_FILES */
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
}
return 1;
}
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
/*-----------------------------------------------------------------------------------*/
int
fs_bytes_left(struct fs_file *file)
{
return file->len - file->index;
}
#endif /* LIBOHIBOARD_ETHERNET_LWIP_2_0_3 */
|
the_stack_data/122014715.c
|
#include <stdio.h>
void binary_search(int* array, int x, int start, int end, int* instruction){
// base case
if (end <= start){
printf("%d is not found1.\n", x);
return;
}
if ((end - start) == 1 && array[start] == x){
printf("%d is at position %d.\n", x, start);
*instruction = *instruction + 1;
return;
}else if ((end - start) == 1 ){
*instruction = *instruction + 1;
printf("%d is not found2.\n", x);
return;
}
// recursive case
int middle = (end + start)/2;
*instruction = *instruction + 1;
if (array[middle]==x){
printf("%d is at position %d.\n", x, middle);
return;
}else if (x > array[middle]){
binary_search(array, x, middle+1, end, instruction);
}else{
binary_search(array, x, start, middle, instruction);
}
}
int main(int argc, char* argv[]){
// int array[8] = {4, 6, 2, 8, 1, 0 , 6, 4};
int array[21] = {0, 1, 2 ,3, 4, 5, 6 ,7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20};
int len = sizeof(array)/sizeof(array[0]);
int instruction = 0;
int x =6;
// sort the array
// implement binary search
binary_search(array, x, 0, len, &instruction);
printf("The total instruction is %d\n", instruction);
}
|
the_stack_data/154831285.c
|
// RUN: %clang_cc1 -triple x86_64-linux-gnu %s -target-feature +sse2 -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG10ABI128,MEM256ALIGN32,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-netbsd %s -target-feature +sse2 -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG10ABI128,MEM256ALIGN32,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-apple-darwin %s -target-feature +sse2 -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,MEM256ALIGN16,MEM512ALIGN16
// RUN: %clang_cc1 -triple x86_64-scei-ps4 %s -target-feature +sse2 -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,MEM256ALIGN32,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-unknown-freebsd10.0 %s -target-feature +sse2 -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,MEM256ALIGN32,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-linux-gnu %s -target-feature +sse2 -S -emit-llvm -o - -fclang-abi-compat=9 | FileCheck %s --check-prefixes=CLANG9ABI128,MEM256ALIGN32,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-linux-gnu %s -target-feature +avx -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG10ABI128,CLANG10ABI256,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-netbsd %s -target-feature +avx -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG10ABI128,CLANG10ABI256,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-apple-darwin %s -target-feature +avx -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,MEM512ALIGN32
// RUN: %clang_cc1 -triple x86_64-scei-ps4 %s -target-feature +avx -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-unknown-freebsd10.0 %s -target-feature +avx -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-linux-gnu %s -target-feature +avx -S -emit-llvm -o - -fclang-abi-compat=9 | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,MEM512ALIGN64
// RUN: %clang_cc1 -triple x86_64-linux-gnu %s -target-feature +avx512f -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG10ABI128,CLANG10ABI256,CLANG10ABI512
// RUN: %clang_cc1 -triple x86_64-netbsd %s -target-feature +avx512f -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG10ABI128,CLANG10ABI256,CLANG10ABI512
// RUN: %clang_cc1 -triple x86_64-apple-darwin %s -target-feature +avx512f -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,CLANG9ABI512
// RUN: %clang_cc1 -triple x86_64-scei-ps4 %s -target-feature +avx512f -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,CLANG9ABI512
// RUN: %clang_cc1 -triple x86_64-unknown-freebsd10.0 %s -target-feature +avx512f -S -emit-llvm -o - | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,CLANG9ABI512
// RUN: %clang_cc1 -triple x86_64-linux-gnu %s -target-feature +avx512f -S -emit-llvm -o - -fclang-abi-compat=9 | FileCheck %s --check-prefixes=CLANG9ABI128,CLANG9ABI256,CLANG9ABI512
typedef unsigned long long v16u64 __attribute__((vector_size(16)));
typedef unsigned __int128 v16u128 __attribute__((vector_size(16)));
v16u64 test_v16u128(v16u64 a, v16u128 b) {
// CLANG10ABI128: define{{.*}} <2 x i64> @test_v16u128(<2 x i64> %{{.*}}, <2 x i64> %{{.*}})
// CLANG9ABI128: define{{.*}} <2 x i64> @test_v16u128(<2 x i64> %{{.*}}, <1 x i128> %{{.*}})
return a + (v16u64)b;
}
typedef unsigned long long v32u64 __attribute__((vector_size(32)));
typedef unsigned __int128 v32u128 __attribute__((vector_size(32)));
v32u64 test_v32u128(v32u64 a, v32u128 b) {
// MEM256ALIGN16: define{{.*}} <4 x i64> @test_v32u128(<4 x i64>* byval(<4 x i64>) align 16 %{{.*}}, <2 x i128>* byval(<2 x i128>) align 16 %{{.*}})
// MEM256ALIGN32: define{{.*}} <4 x i64> @test_v32u128(<4 x i64>* byval(<4 x i64>) align 32 %{{.*}}, <2 x i128>* byval(<2 x i128>) align 32 %{{.*}})
// CLANG10ABI256: define{{.*}} <4 x i64> @test_v32u128(<4 x i64> %{{.*}}, <2 x i128>* byval(<2 x i128>) align 32 %{{.*}})
// CLANG9ABI256: define{{.*}} <4 x i64> @test_v32u128(<4 x i64> %{{.*}}, <2 x i128> %{{.*}})
return a + (v32u64)b;
}
typedef unsigned long long v64u64 __attribute__((vector_size(64)));
typedef unsigned __int128 v64u128 __attribute__((vector_size(64)));
v64u64 test_v64u128(v64u64 a, v64u128 b) {
// MEM512ALIGN16: define{{.*}} <8 x i64> @test_v64u128(<8 x i64>* byval(<8 x i64>) align 16 %{{.*}}, <4 x i128>* byval(<4 x i128>) align 16 %{{.*}})
// MEM512ALIGN32: define{{.*}} <8 x i64> @test_v64u128(<8 x i64>* byval(<8 x i64>) align 32 %{{.*}}, <4 x i128>* byval(<4 x i128>) align 32 %{{.*}})
// MEM512ALIGN64: define{{.*}} <8 x i64> @test_v64u128(<8 x i64>* byval(<8 x i64>) align 64 %{{.*}}, <4 x i128>* byval(<4 x i128>) align 64 %{{.*}})
// CLANG10ABI512: define{{.*}} <8 x i64> @test_v64u128(<8 x i64> %{{.*}}, <4 x i128>* byval(<4 x i128>) align 64 %{{.*}})
// CLANG9ABI512: define{{.*}} <8 x i64> @test_v64u128(<8 x i64> %{{.*}}, <4 x i128> %{{.*}})
return a + (v64u64)b;
}
|
the_stack_data/211081041.c
|
#include <stdio.h>
/*
In Jet this looks like:
type TType
var lev as Integer
var ret as String
end type
var myStaticDict as TType[String] = {
"one" = {.lev = 0, .ret = "what"},
"two" = {.lev = 1, .ret = "whaasdat"},
"three" = {.lev = 3, .ret = "whaasdsdt"}
}
Just be sure that myStaticDict is never changed!!! Otherwise you have to
generate it really as a Dict.
You can also check the strings passed when indexing:
print(myStaticDict["five"].ret) <-- compile-time error, "five" out of bounds
Might be problematic if user tries to enter vars for indexing. Then how about
having enums and making the intent clearer?
enum myStaticDict as TType = {
.one = {.lev = 0, .ret = "whadasd"},
.two = { ... }
}
How about a basic type Label? must be resolved at compile time
var myStaticDict as TType[Label] = {
.one = {.lev = 0, .ret = "whadasd"}
.two = { ... }
}
I think enum is best, because it provides a set of names to a numbering,
as well as associated values etc. and most of all clear intent. The numeric
values are inherent and the associated data is IN ADDITION to those. You can
always leave out associated data if you just want some func arg options etc.
After all they are IMMUTABLE so they can be at module level.
enum blendModes = {
.diffuse,
.colorBurn,
.colorDodge,
.dissolve,
.normal
}
(in own module)
var b as ui.gfx.blendModes = .diffuse
But I want to be able to convert them to/from a string, this is how users code.
Enums do provide inbuilt serialisation, but no way to convert to/from an arbit
string. you need this:
how about callable enums?
var b = ui.gfx.blendModes(ask()) or .normal
That's why I think you should let an "apparent" Dict generate to this fancy
stuff behind the scenes - users like Pythonic stuff and they WILL just write
Dicts and not bother to care about enums. Then you have funcs to write/read
integral values based on string names (or complain if out of range).
But enum has advantages that it can be used for autocomplete
blendModes. <== poppup autocomplete dialog
For enums, if you have associated data generate the numeric values as 1,2,3,4
if you dont, then generate as 1,2,4,8 so they can be combined. NO I want to use
indivudual bitfield booleans instead of combining flags!
Just have a warning to convert detected static dicts to enums for higher
performance! sorted
*/
struct TType {
int lev;
char* ret;
};
enum myStDict__indxs { one, two, three };
static const struct TType myStDict[] = {
[one] = { 0, "what" },
[two] = { 1, "whasdat" },
[three] = { 2, "whadasdt" },
};
int main() {
printf("%s\n", myStDict[two].ret);
return 0;
}
|
the_stack_data/145452841.c
|
#include <stdio.h>
int main()
{
int contacasos=0,casos;
scanf ("%d",&casos);
int freq[casos],i;
for(i=0; i<casos; i++)
{
scanf ("%d",&freq[i]);
}
for(i=0; i<casos; i++)
{
if(freq[i]>(freq[i+1]*2) && freq[i]>(freq[i-1]*2))
{
contacasos++;
}
}
printf ("%d\n",contacasos);
return 0;
}
|
the_stack_data/234517933.c
|
int main()
{
#pragma omp metadirective when
for(int i=0; i<10; i++)
;
return 0;
}
|
the_stack_data/139820.c
|
#include <stdio.h>
#include <stdlib.h>
void assert(int);
int main(int argc, char *argv) {
int i,j;
FILE *file;
file = fopen(argv[0], "r");
if (file > 0) {
assert(file > 0);
}
return 0;
}
|
the_stack_data/215769124.c
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
FILE *fp;
FILE *fo;
char fileName[256];
char line[256];
char buffer[500];
char fileStorage[500][500];
char * store = malloc(sizeof(char) * 50000);
char * variableStore = malloc(sizeof(char) * 256);
char * finalVariable = malloc(sizeof(char) * 256);
char **functionArray = malloc(sizeof(char *) * 500);
char * classCheck;
char * commentCheck;
char * intCheck;
char * floatCheck;
char * charCheck;
char * doubleCheck;
char * shortCheck;
char * longCheck;
char * structCheck;
char * mainCheck;
char * bracketCheck;
int variableLength = 0;
int variableSize = 0;
int loopCount = 0;
int intCount = 0;
int floatCount = 0;
int charCount = 0;
int doubleCount = 0;
int shortCount = 0;
int longCount = 0;
int structOpen = 0;
int functionOpen = 0;
int variableLoop = 0;
int totalVariableCount = 0;
int variableFindCount = 0;
int count = 0;
int functionStorageCount = 0;
int i;
for(i = 0; i < 500; i++)
{
functionArray[i] = malloc(sizeof(char) * 500);
}
printf("enter file name: ");
scanf("%s", fileName);
fp = fopen(fileName, "r");
fo = fopen("./assets/convertedFile.c", "w");
if(fp == NULL)
{
printf("could not find file\n");
return 0;
}
while(fgets(line, sizeof(line), fp) != NULL)
{
strcpy(fileStorage[count], line);
count++;
}
for(i = 0; i < count; i++)
{
if((classCheck = strstr(fileStorage[i], "class ")) && (!(commentCheck = strstr(fileStorage[i], "//"))))
{
strncpy(buffer, fileStorage[i], classCheck - fileStorage[i]);
buffer[classCheck - fileStorage[i]] = 0;
sprintf(buffer + (classCheck - fileStorage[i]), "%s%s", "struct ", classCheck + strlen("class "));
strcpy(fileStorage[i], buffer);
printf("line[%d]: %s", i, fileStorage[i]);
if((structCheck = strstr(fileStorage[i], "{")))
{
structOpen++;
}
}
else if((structCheck = strstr(fileStorage[i], ") {")) && (!(mainCheck = strstr(fileStorage[i], "int main"))))
{
functionOpen++;
variableLength = 0;
variableFindCount = 0;
variableSize = 0;
totalVariableCount = 0;
strcpy(variableStore, "");
strcpy(variableStore, fileStorage[i]);
strcpy(store, fileStorage[i]);
for(variableLoop = 0; variableLoop < strlen(variableStore); variableLoop++)
{
if(variableStore[variableLoop] == '(')
{
memset(finalVariable, '\0', 256);
while(variableStore[variableLoop] != ')')
{
variableLoop++;
finalVariable[variableFindCount] = variableStore[variableLoop];
variableFindCount++;
}
}
}
if((intCheck = strstr(finalVariable, "int ")))
{
intCount = 0;
while(intCheck != NULL)
{
intCheck = strstr(intCheck + 1, "int ");
intCount++;
totalVariableCount++;
}
}
if((floatCheck = strstr(finalVariable, "float ")))
{
floatCount = 0;
while(floatCheck != NULL)
{
floatCheck = strstr(floatCheck + 1, "float ");
floatCount++;
totalVariableCount++;
}
}
if((charCheck = strstr(finalVariable, "char ")))
{
charCount = 0;
while(charCheck != NULL)
{
charCheck = strstr(charCheck + 1, "char ");
charCount++;
totalVariableCount++;
}
}
if((doubleCheck = strstr(finalVariable, "double ")))
{
doubleCount = 0;
while(doubleCheck != NULL)
{
doubleCheck = strstr(doubleCheck + 1, "double ");
doubleCount++;
totalVariableCount++;
}
}
if((shortCheck = strstr(finalVariable, "short ")))
{
shortCount = 0;
while(shortCheck != NULL)
{
shortCheck = strstr(shortCheck + 1, "short ");
shortCount++;
totalVariableCount++;
}
}
if((longCheck = strstr(finalVariable, "long ")))
{
longCount = 0;
while(longCheck != NULL)
{
longCheck = strstr(longCheck + 1, "long ");
longCount++;
totalVariableCount++;
}
}
if(intCount != 0)
{
for(loopCount = 0; loopCount < intCount; loopCount++)
{
printf("i");
}
intCount = 0;
}
if(charCount != 0)
{
for(loopCount = 0; loopCount < charCount; loopCount++)
{
printf("c");
}
charCount = 0;
}
if(floatCount != 0)
{
for(loopCount = 0; loopCount < floatCount; loopCount++)
{
printf("f");
}
floatCount = 0;
}
if(doubleCount != 0)
{
for(loopCount = 0; loopCount < doubleCount; loopCount++)
{
printf("d");
}
doubleCount = 0;
}
if(shortCount != 0)
{
for(loopCount = 0; loopCount < shortCount; loopCount++)
{
printf("s");
}
shortCount = 0;
}
if(longCount != 0)
{
for(loopCount = 0; loopCount < longCount; loopCount++)
{
printf("l");
}
longCount = 0;
}
printf("\n");
printf("line[%d]: %s", i, fileStorage[i]);
}
else if((bracketCheck = strstr(fileStorage[i], "}")) && structOpen == 1 && functionOpen == 1)
{
printf("line[%d]: %s", i, fileStorage[i]);
strcat(store, fileStorage[i]);
/* printf("store: %s\n", store); */
functionOpen--;
/*sprintf(functionArray[functionStorageCount], "%s", store);
strcpy(functionArray[functionStorageCount], store); */
functionStorageCount++;
/* printf("function[%d]: %s\n", functionStorageCount, functionArray[functionStorageCount]); */
}
else if(structOpen == 1 && functionOpen == 1)
{
/*printf("line[%d] copied :%s\n", i, fileStorage[i]);*/
printf("line[%d]: %s", i, fileStorage[i]);
strcat(store, fileStorage[i]);
}
else
{
printf("line[%d]: %s", i, fileStorage[i]);
}
}
for(i = 0; i < count; i++)
{
fprintf(fo, "%s", fileStorage[i]);
}
fclose(fp);
fclose(fo);
return 0;
}
|
the_stack_data/95450828.c
|
#include <stdio.h>
#include <math.h>
typedef struct{
float eixoX;
float eixoY;
}tPontoCartesiano;
int main(){
tPontoCartesiano A;
tPontoCartesiano B;
float distance, totalDistance;
scanf("%f", &A.eixoX);
scanf("%f", &A.eixoY);
scanf("%f", &B.eixoX);
scanf("%f", &B.eixoY);
distance = sqrt((B.eixoX - A.eixoX) * (B.eixoX - A.eixoX) + (B.eixoY - A.eixoY) * (B.eixoY - A.eixoY));
totalDistance = distance * distance;
printf("%0.f\n", totalDistance);
return 1;
}
|
the_stack_data/1146879.c
|
#include <complex.h>
long double __attribute__ ((const)) creall (long double complex _Z)
{
return __real__ _Z;
}
|
the_stack_data/18887314.c
|
#include<stdio.h>
void main()
{
printf("Hello! This is my first C program with Ubuntu 11.10\n");
/* Do something more if you want */
}
|
the_stack_data/718818.c
|
int main()
{
int a = 1, b = 0, c;
c = a | a;
print ("c 1");
printid(c);
c = a | b;
print ("c 1");
printid(c);
return 0;
}
|
the_stack_data/151262.c
|
/*
* Copyright (c) 1994 University of Maryland
* All Rights Reserved.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of U.M. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. U.M. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: James da Silva, Systems Design and Analysis Group
* Computer Science Department
* University of Maryland at College Park
*
* $FreeBSD: src/usr.sbin/crunch/crunchgen/crunchgen.c,v 1.36 2005/12/23 15:31:37 ceri Exp $
*/
/*
* ========================================================================
* crunchgen.c
*
* Generates a Makefile and main C file for a crunched executable,
* from specs given in a .conf file.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <ctype.h>
#include <err.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define CRUNCH_VERSION "0.2"
#define MAXLINELEN 16384
#define MAXFIELDS 2048
/* internal representation of conf file: */
/* simple lists of strings suffice for most parms */
typedef struct strlst {
struct strlst *next;
char *str;
} strlst_t;
/* progs have structure, each field can be set with "special" or calculated */
typedef struct prog {
struct prog *next; /* link field */
char *name; /* program name */
char *ident; /* C identifier for the program name */
char *srcdir;
char *realsrcdir;
char *objdir;
char *objvar; /* Makefile variable to replace OBJS */
strlst_t *objs, *objpaths;
strlst_t *buildopts;
strlst_t *keeplist;
strlst_t *links;
strlst_t *libs;
strlst_t *libs_so;
int goterror;
} prog_t;
/* global state */
strlst_t *buildopts = NULL;
strlst_t *srcdirs = NULL;
strlst_t *libs = NULL;
strlst_t *libs_so = NULL;
prog_t *progs = NULL;
char confname[MAXPATHLEN], infilename[MAXPATHLEN];
char outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN];
char tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN];
char outhdrname[MAXPATHLEN] ; /* user-supplied header for *.mk */
char *objprefix; /* where are the objects ? */
int linenum = -1;
int goterror = 0;
int verbose, readcache; /* options */
int reading_cache;
int makeobj = 0; /* add 'make obj' rules to the makefile */
int list_mode;
/* general library routines */
void status(char *str);
void out_of_memory(void);
void add_string(strlst_t **listp, char *str);
int is_dir(char *pathname);
int is_nonempty_file(char *pathname);
int subtract_strlst(strlst_t **lista, strlst_t **listb);
int in_list(strlst_t **listp, char *str);
/* helper routines for main() */
void usage(void);
void parse_conf_file(void);
void gen_outputs(void);
int main(int argc, char **argv)
{
char *p;
int optc;
verbose = 1;
readcache = 1;
*outmkname = *outcfname = *execfname = '\0';
p = getenv("MAKEOBJDIRPREFIX");
if (p == NULL || *p == '\0')
objprefix = "/usr/obj"; /* default */
else
if ((objprefix = strdup(p)) == NULL)
out_of_memory();
while((optc = getopt(argc, argv, "lh:m:c:e:p:foq")) != -1) {
switch(optc) {
case 'f':
readcache = 0;
break;
case 'o':
makeobj = 1;
break;
case 'q':
verbose = 0;
break;
case 'm':
strlcpy(outmkname, optarg, sizeof(outmkname));
break;
case 'p':
if ((objprefix = strdup(optarg)) == NULL)
out_of_memory();
break;
case 'h':
strlcpy(outhdrname, optarg, sizeof(outhdrname));
break;
case 'c':
strlcpy(outcfname, optarg, sizeof(outcfname));
break;
case 'e':
strlcpy(execfname, optarg, sizeof(execfname));
break;
case 'l':
list_mode++;
verbose = 0;
break;
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 1)
usage();
/*
* generate filenames
*/
strlcpy(infilename, argv[0], sizeof(infilename));
/* confname = `basename infilename .conf` */
if ((p=strrchr(infilename, '/')) != NULL)
strlcpy(confname, p + 1, sizeof(confname));
else
strlcpy(confname, infilename, sizeof(confname));
if ((p=strrchr(confname, '.')) != NULL && !strcmp(p, ".conf"))
*p = '\0';
if (!*outmkname)
snprintf(outmkname, sizeof(outmkname), "%s.mk", confname);
if (!*outcfname)
snprintf(outcfname, sizeof(outcfname), "%s.c", confname);
if (!*execfname)
snprintf(execfname, sizeof(execfname), "%s", confname);
snprintf(cachename, sizeof(cachename), "%s.cache", confname);
snprintf(tempfname, sizeof(tempfname), "%s/crunchgen_%sXXXXXX",
getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, confname);
parse_conf_file();
if (list_mode)
exit(goterror);
gen_outputs();
exit(goterror);
}
void usage(void)
{
fprintf(stderr, "%s%s\n\t%s%s\n", "usage: crunchgen [-foq] ",
"[-h <makefile-header-name>] [-m <makefile>]",
"[-p <obj-prefix>] [-c <c-file-name>] [-e <exec-file>] ",
"<conffile>");
exit(1);
}
/*
* ========================================================================
* parse_conf_file subsystem
*
*/
/* helper routines for parse_conf_file */
void parse_one_file(char *filename);
void parse_line(char *line, int *fc, char **fv, int nf);
void add_srcdirs(int argc, char **argv);
void add_progs(int argc, char **argv);
void add_link(int argc, char **argv);
void add_libs(int argc, char **argv);
void add_libs_so(int argc, char **argv);
void add_buildopts(int argc, char **argv);
void add_special(int argc, char **argv);
prog_t *find_prog(char *str);
void add_prog(char *progname);
void parse_conf_file(void)
{
if (!is_nonempty_file(infilename))
errx(1, "fatal: input file \"%s\" not found", infilename);
parse_one_file(infilename);
if (readcache && is_nonempty_file(cachename)) {
reading_cache = 1;
parse_one_file(cachename);
}
}
void parse_one_file(char *filename)
{
char *fieldv[MAXFIELDS];
int fieldc;
void (*f)(int c, char **v);
FILE *cf;
char line[MAXLINELEN];
snprintf(line, sizeof(line), "reading %s", filename);
status(line);
strlcpy(curfilename, filename, sizeof(curfilename));
if ((cf = fopen(curfilename, "r")) == NULL) {
warn("%s", curfilename);
goterror = 1;
return;
}
linenum = 0;
while (fgets(line, MAXLINELEN, cf) != NULL) {
linenum++;
parse_line(line, &fieldc, fieldv, MAXFIELDS);
if (fieldc < 1)
continue;
if (!strcmp(fieldv[0], "srcdirs"))
f = add_srcdirs;
else if(!strcmp(fieldv[0], "progs"))
f = add_progs;
else if(!strcmp(fieldv[0], "ln"))
f = add_link;
else if(!strcmp(fieldv[0], "libs"))
f = add_libs;
else if(!strcmp(fieldv[0], "libs_so"))
f = add_libs_so;
else if(!strcmp(fieldv[0], "buildopts"))
f = add_buildopts;
else if(!strcmp(fieldv[0], "special"))
f = add_special;
else {
warnx("%s:%d: skipping unknown command `%s'",
curfilename, linenum, fieldv[0]);
goterror = 1;
continue;
}
if (fieldc < 2) {
warnx("%s:%d: %s %s",
curfilename, linenum, fieldv[0],
"command needs at least 1 argument, skipping");
goterror = 1;
continue;
}
f(fieldc, fieldv);
}
if (ferror(cf)) {
warn("%s", curfilename);
goterror = 1;
}
fclose(cf);
}
void parse_line(char *line, int *fc, char **fv, int nf)
{
char *p;
p = line;
*fc = 0;
while (1) {
while (isspace(*p))
p++;
if (*p == '\0' || *p == '#')
break;
if (*fc < nf)
fv[(*fc)++] = p;
while (*p && !isspace(*p) && *p != '#')
p++;
if (*p == '\0' || *p == '#')
break;
*p++ = '\0';
}
if (*p)
*p = '\0'; /* needed for '#' case */
}
void add_srcdirs(int argc, char **argv)
{
int i;
for (i = 1; i < argc; i++) {
if (is_dir(argv[i]))
add_string(&srcdirs, argv[i]);
else {
warnx("%s:%d: `%s' is not a directory, skipping it",
curfilename, linenum, argv[i]);
goterror = 1;
}
}
}
void add_progs(int argc, char **argv)
{
int i;
for (i = 1; i < argc; i++)
add_prog(argv[i]);
}
void add_prog(char *progname)
{
prog_t *p1, *p2;
/* add to end, but be smart about dups */
for (p1 = NULL, p2 = progs; p2 != NULL; p1 = p2, p2 = p2->next)
if (!strcmp(p2->name, progname))
return;
p2 = malloc(sizeof(prog_t));
if(p2) {
memset(p2, 0, sizeof(prog_t));
p2->name = strdup(progname);
}
if (!p2 || !p2->name)
out_of_memory();
p2->next = NULL;
if (p1 == NULL)
progs = p2;
else
p1->next = p2;
p2->ident = NULL;
p2->srcdir = NULL;
p2->realsrcdir = NULL;
p2->objdir = NULL;
p2->links = NULL;
p2->libs = NULL;
p2->libs_so = NULL;
p2->objs = NULL;
p2->keeplist = NULL;
p2->buildopts = NULL;
p2->goterror = 0;
if (list_mode)
printf("%s\n",progname);
}
void add_link(int argc, char **argv)
{
int i;
prog_t *p = find_prog(argv[1]);
if (p == NULL) {
warnx("%s:%d: no prog %s previously declared, skipping link",
curfilename, linenum, argv[1]);
goterror = 1;
return;
}
for (i = 2; i < argc; i++) {
if (list_mode)
printf("%s\n",argv[i]);
add_string(&p->links, argv[i]);
}
}
void add_libs(int argc, char **argv)
{
int i;
for(i = 1; i < argc; i++) {
add_string(&libs, argv[i]);
if ( in_list(&libs_so, argv[i]) )
warnx("%s:%d: "
"library `%s' specified as dynamic earlier",
curfilename, linenum, argv[i]);
}
}
void add_libs_so(int argc, char **argv)
{
int i;
for(i = 1; i < argc; i++) {
add_string(&libs_so, argv[i]);
if ( in_list(&libs, argv[i]) )
warnx("%s:%d: "
"library `%s' specified as static earlier",
curfilename, linenum, argv[i]);
}
}
void add_buildopts(int argc, char **argv)
{
int i;
for (i = 1; i < argc; i++)
add_string(&buildopts, argv[i]);
}
void add_special(int argc, char **argv)
{
int i;
prog_t *p = find_prog(argv[1]);
if (p == NULL) {
if (reading_cache)
return;
warnx("%s:%d: no prog %s previously declared, skipping special",
curfilename, linenum, argv[1]);
goterror = 1;
return;
}
if (!strcmp(argv[2], "ident")) {
if (argc != 4)
goto argcount;
if ((p->ident = strdup(argv[3])) == NULL)
out_of_memory();
} else if (!strcmp(argv[2], "srcdir")) {
if (argc != 4)
goto argcount;
if ((p->srcdir = strdup(argv[3])) == NULL)
out_of_memory();
} else if (!strcmp(argv[2], "objdir")) {
if(argc != 4)
goto argcount;
if((p->objdir = strdup(argv[3])) == NULL)
out_of_memory();
} else if (!strcmp(argv[2], "objs")) {
p->objs = NULL;
for (i = 3; i < argc; i++)
add_string(&p->objs, argv[i]);
} else if (!strcmp(argv[2], "objpaths")) {
p->objpaths = NULL;
for (i = 3; i < argc; i++)
add_string(&p->objpaths, argv[i]);
} else if (!strcmp(argv[2], "keep")) {
p->keeplist = NULL;
for(i = 3; i < argc; i++)
add_string(&p->keeplist, argv[i]);
} else if (!strcmp(argv[2], "objvar")) {
if(argc != 4)
goto argcount;
if ((p->objvar = strdup(argv[3])) == NULL)
out_of_memory();
} else if (!strcmp(argv[2], "buildopts")) {
p->buildopts = NULL;
for (i = 3; i < argc; i++)
add_string(&p->buildopts, argv[i]);
} else if (!strcmp(argv[2], "lib")) {
for (i = 3; i < argc; i++)
add_string(&p->libs, argv[i]);
} else {
warnx("%s:%d: bad parameter name `%s', skipping line",
curfilename, linenum, argv[2]);
goterror = 1;
}
return;
argcount:
warnx("%s:%d: too %s arguments, expected \"special %s %s <string>\"",
curfilename, linenum, argc < 4? "few" : "many", argv[1], argv[2]);
goterror = 1;
}
prog_t *find_prog(char *str)
{
prog_t *p;
for (p = progs; p != NULL; p = p->next)
if (!strcmp(p->name, str))
return p;
return NULL;
}
/*
* ========================================================================
* gen_outputs subsystem
*
*/
/* helper subroutines */
void remove_error_progs(void);
void fillin_program(prog_t *p);
void gen_specials_cache(void);
void gen_output_makefile(void);
void gen_output_cfile(void);
void fillin_program_objs(prog_t *p, char *path);
void top_makefile_rules(FILE *outmk);
void prog_makefile_rules(FILE *outmk, prog_t *p);
void output_strlst(FILE *outf, strlst_t *lst);
char *genident(char *str);
char *dir_search(char *progname);
void gen_outputs(void)
{
prog_t *p;
for (p = progs; p != NULL; p = p->next)
fillin_program(p);
remove_error_progs();
gen_specials_cache();
gen_output_cfile();
gen_output_makefile();
status("");
fprintf(stderr,
"Run \"make -f %s\" to build crunched binary.\n", outmkname);
}
/*
* run the makefile for the program to find which objects are necessary
*/
void fillin_program(prog_t *p)
{
char path[MAXPATHLEN];
char line[MAXLINELEN];
FILE *f;
snprintf(line, MAXLINELEN, "filling in parms for %s", p->name);
status(line);
if (!p->ident)
p->ident = genident(p->name);
/* look for the source directory if one wasn't specified by a special */
if (!p->srcdir) {
p->srcdir = dir_search(p->name);
}
/* Determine the actual srcdir (maybe symlinked). */
if (p->srcdir) {
snprintf(line, MAXLINELEN, "cd %s && echo -n `/bin/pwd`",
p->srcdir);
f = popen(line,"r");
if (!f)
errx(1, "Can't execute: %s\n", line);
path[0] = '\0';
fgets(path, sizeof path, f);
if (pclose(f))
errx(1, "Can't execute: %s\n", line);
if (!*path)
errx(1, "Can't perform pwd on: %s\n", p->srcdir);
p->realsrcdir = strdup(path);
}
/* Unless the option to make object files was specified the
* the objects will be built in the source directory unless
* an object directory already exists.
*/
if (!makeobj && !p->objdir && p->srcdir) {
snprintf(line, sizeof line, "%s/%s", objprefix, p->realsrcdir);
if (is_dir(line)) {
if ((p->objdir = strdup(line)) == NULL)
out_of_memory();
} else
p->objdir = p->realsrcdir;
}
/*
* XXX look for a Makefile.{name} in local directory first.
* This lets us override the original Makefile.
*/
snprintf(path, sizeof(path), "Makefile.%s", p->name);
if (is_nonempty_file(path)) {
snprintf(line, MAXLINELEN, "Using %s for %s", path, p->name);
status(line);
} else
if (p->srcdir)
snprintf(path, sizeof(path), "%s/Makefile", p->srcdir);
if (!p->objs && p->srcdir && is_nonempty_file(path))
fillin_program_objs(p, path);
if (!p->srcdir && !p->objdir && verbose)
warnx("%s: %s: %s",
"warning: could not find source directory",
infilename, p->name);
if (!p->objs && verbose)
warnx("%s: %s: warning: could not find any .o files",
infilename, p->name);
if ((!p->srcdir || !p->objdir) && !p->objs)
p->goterror = 1;
}
void fillin_program_objs(prog_t *p, char *path)
{
char *obj, *cp;
int fd, rc;
FILE *f;
char *objvar="OBJS";
strlst_t *s;
char line[MAXLINELEN];
/* discover the objs from the srcdir Makefile */
if ((fd = mkstemp(tempfname)) == -1) {
perror(tempfname);
exit(1);
}
if ((f = fdopen(fd, "w")) == NULL) {
warn("%s", tempfname);
goterror = 1;
return;
}
if (p->objvar)
objvar = p->objvar;
/*
* XXX include outhdrname (e.g. to contain Make variables)
*/
if (outhdrname[0] != '\0')
fprintf(f, ".include \"%s\"\n", outhdrname);
fprintf(f, ".include \"%s\"\n", path);
if (buildopts) {
fprintf(f, "BUILDOPTS+=");
output_strlst(f, buildopts);
}
fprintf(f, ".if defined(PROG) && !defined(%s)\n", objvar);
fprintf(f, "%s=${PROG}.o\n", objvar);
fprintf(f, ".endif\n");
fprintf(f, "loop:\n\t@echo 'OBJS= '${%s}\n", objvar);
fprintf(f, "crunchgen_objs:\n"
"\t@cd %s && make -f %s $(BUILDOPTS) $(%s_OPTS)",
p->srcdir, tempfname, p->ident);
for (s = p->buildopts; s != NULL; s = s->next)
fprintf(f, " %s", s->str);
fprintf(f, " loop\n");
fclose(f);
snprintf(line, MAXLINELEN, "cd %s && make -f %s crunchgen_objs",
p->srcdir, tempfname);
if ((f = popen(line, "r")) == NULL) {
warn("submake pipe");
goterror = 1;
return;
}
while(fgets(line, MAXLINELEN, f)) {
if (strncmp(line, "OBJS= ", 6)) {
warnx("make error: %s", line);
goterror = 1;
continue;
}
cp = line + 6;
while (isspace(*cp))
cp++;
while(*cp) {
obj = cp;
while (*cp && !isspace(*cp))
cp++;
if (*cp)
*cp++ = '\0';
add_string(&p->objs, obj);
while (isspace(*cp))
cp++;
}
}
if ((rc=pclose(f)) != 0) {
warnx("make error: make returned %d", rc);
goterror = 1;
}
unlink(tempfname);
}
void remove_error_progs(void)
{
prog_t *p1, *p2;
p1 = NULL; p2 = progs;
while (p2 != NULL) {
if (!p2->goterror)
p1 = p2, p2 = p2->next;
else {
/* delete it from linked list */
warnx("%s: %s: ignoring program because of errors",
infilename, p2->name);
if (p1)
p1->next = p2->next;
else
progs = p2->next;
p2 = p2->next;
}
}
}
void gen_specials_cache(void)
{
FILE *cachef;
prog_t *p;
char line[MAXLINELEN];
snprintf(line, MAXLINELEN, "generating %s", cachename);
status(line);
if ((cachef = fopen(cachename, "w")) == NULL) {
warn("%s", cachename);
goterror = 1;
return;
}
fprintf(cachef, "# %s - parm cache generated from %s by crunchgen "
" %s\n\n",
cachename, infilename, CRUNCH_VERSION);
for (p = progs; p != NULL; p = p->next) {
fprintf(cachef, "\n");
if (p->srcdir)
fprintf(cachef, "special %s srcdir %s\n",
p->name, p->srcdir);
if (p->objdir)
fprintf(cachef, "special %s objdir %s\n",
p->name, p->objdir);
if (p->objs) {
fprintf(cachef, "special %s objs", p->name);
output_strlst(cachef, p->objs);
}
if (p->objpaths) {
fprintf(cachef, "special %s objpaths", p->name);
output_strlst(cachef, p->objpaths);
}
}
fclose(cachef);
}
void gen_output_makefile(void)
{
prog_t *p;
FILE *outmk;
char line[MAXLINELEN];
snprintf(line, MAXLINELEN, "generating %s", outmkname);
status(line);
if ((outmk = fopen(outmkname, "w")) == NULL) {
warn("%s", outmkname);
goterror = 1;
return;
}
fprintf(outmk, "# %s - generated from %s by crunchgen %s\n\n",
outmkname, infilename, CRUNCH_VERSION);
if (outhdrname[0] != '\0')
fprintf(outmk, ".include \"%s\"\n", outhdrname);
top_makefile_rules(outmk);
for (p = progs; p != NULL; p = p->next)
prog_makefile_rules(outmk, p);
fprintf(outmk, "\n# ========\n");
fclose(outmk);
}
void gen_output_cfile(void)
{
extern char *crunched_skel[];
char **cp;
FILE *outcf;
prog_t *p;
strlst_t *s;
char line[MAXLINELEN];
snprintf(line, MAXLINELEN, "generating %s", outcfname);
status(line);
if((outcf = fopen(outcfname, "w")) == NULL) {
warn("%s", outcfname);
goterror = 1;
return;
}
fprintf(outcf,
"/* %s - generated from %s by crunchgen %s */\n",
outcfname, infilename, CRUNCH_VERSION);
fprintf(outcf, "#define EXECNAME \"%s\"\n", execfname);
for (cp = crunched_skel; *cp != NULL; cp++)
fprintf(outcf, "%s\n", *cp);
for (p = progs; p != NULL; p = p->next)
fprintf(outcf, "extern int _crunched_%s_stub();\n", p->ident);
fprintf(outcf, "\nstruct stub entry_points[] = {\n");
for (p = progs; p != NULL; p = p->next) {
fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n",
p->name, p->ident);
for (s = p->links; s != NULL; s = s->next)
fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n",
s->str, p->ident);
}
fprintf(outcf, "\t{ EXECNAME, crunched_main },\n");
fprintf(outcf, "\t{ NULL, NULL }\n};\n");
fclose(outcf);
}
char *genident(char *str)
{
char *n, *s, *d;
/*
* generates a Makefile/C identifier from a program name,
* mapping '-' to '_' and ignoring all other non-identifier
* characters. This leads to programs named "foo.bar" and
* "foobar" to map to the same identifier.
*/
if ((n = strdup(str)) == NULL)
return NULL;
for (d = s = n; *s != '\0'; s++) {
if (*s == '-')
*d++ = '_';
else if (*s == '_' || isalnum(*s))
*d++ = *s;
}
*d = '\0';
return n;
}
char *dir_search(char *progname)
{
char path[MAXPATHLEN];
strlst_t *dir;
char *srcdir;
for (dir = srcdirs; dir != NULL; dir = dir->next) {
snprintf(path, MAXPATHLEN, "%s/%s", dir->str, progname);
if (!is_dir(path))
continue;
if ((srcdir = strdup(path)) == NULL)
out_of_memory();
return srcdir;
}
return NULL;
}
void top_makefile_rules(FILE *outmk)
{
prog_t *p;
if ( subtract_strlst(&libs, &libs_so) )
fprintf(outmk, "# NOTE: Some LIBS declarations below overridden by LIBS_SO\n");
fprintf(outmk, "LIBS+=");
output_strlst(outmk, libs);
fprintf(outmk, "LIBS_SO+=");
output_strlst(outmk, libs_so);
if (makeobj) {
fprintf(outmk, "MAKEOBJDIRPREFIX?=%s\n", objprefix);
fprintf(outmk, "MAKEENV=env MAKEOBJDIRPREFIX=$(MAKEOBJDIRPREFIX)\n");
fprintf(outmk, "CRUNCHMAKE=$(MAKEENV) $(MAKE)\n");
} else {
fprintf(outmk, "CRUNCHMAKE=$(MAKE)\n");
}
if (buildopts) {
fprintf(outmk, "BUILDOPTS+=");
output_strlst(outmk, buildopts);
}
fprintf(outmk, "CRUNCHED_OBJS=");
for (p = progs; p != NULL; p = p->next)
fprintf(outmk, " %s.lo", p->name);
fprintf(outmk, "\n");
fprintf(outmk, "SUBMAKE_TARGETS=");
for (p = progs; p != NULL; p = p->next)
fprintf(outmk, " %s_make", p->ident);
fprintf(outmk, "\nSUBCLEAN_TARGETS=");
for (p = progs; p != NULL; p = p->next)
fprintf(outmk, " %s_clean", p->ident);
fprintf(outmk, "\n\n");
fprintf(outmk, "all: objs exe\nobjs: $(SUBMAKE_TARGETS)\n");
fprintf(outmk, "exe: %s\n", execfname);
fprintf(outmk, "%s: %s.o $(CRUNCHED_OBJS)\n", execfname, execfname);
fprintf(outmk, ".if defined(LIBS_SO) && !empty(LIBS_SO)\n");
fprintf(outmk, "\t$(CC) -o %s %s.o $(CRUNCHED_OBJS) \\\n",
execfname, execfname);
fprintf(outmk, "\t\t-Xlinker -Bstatic $(LIBS) \\\n");
fprintf(outmk, "\t\t-Xlinker -Bdynamic $(LIBS_SO)\n");
fprintf(outmk, ".else\n");
fprintf(outmk, "\t$(CC) -static -o %s %s.o $(CRUNCHED_OBJS) $(LIBS)\n",
execfname, execfname);
fprintf(outmk, ".endif\n");
fprintf(outmk, "\tstrip %s\n", execfname);
fprintf(outmk, "realclean: clean subclean\n");
fprintf(outmk, "clean:\n\trm -f %s *.lo *.o *_stub.c\n", execfname);
fprintf(outmk, "subclean: $(SUBCLEAN_TARGETS)\n");
}
void prog_makefile_rules(FILE *outmk, prog_t *p)
{
strlst_t *lst;
fprintf(outmk, "\n# -------- %s\n\n", p->name);
fprintf(outmk, "%s_OBJDIR=", p->ident);
if (p->objdir)
fprintf(outmk, "%s", p->objdir);
else
fprintf(outmk, "$(MAKEOBJDIRPREFIX)/$(%s_REALSRCDIR)\n",
p->ident);
fprintf(outmk, "\n");
if (p->srcdir && p->objs) {
fprintf(outmk, "%s_SRCDIR=%s\n", p->ident, p->srcdir);
fprintf(outmk, "%s_REALSRCDIR=%s\n", p->ident, p->realsrcdir);
fprintf(outmk, "%s_OBJS=", p->ident);
output_strlst(outmk, p->objs);
if (p->buildopts != NULL) {
fprintf(outmk, "%s_OPTS+=", p->ident);
output_strlst(outmk, p->buildopts);
}
fprintf(outmk, "%s_make:\n", p->ident);
fprintf(outmk, "\t(cd $(%s_SRCDIR) && ", p->ident);
if (makeobj)
fprintf(outmk, "$(CRUNCHMAKE) obj && ");
fprintf(outmk, "\\\n");
fprintf(outmk, "\t\t$(CRUNCHMAKE) $(BUILDOPTS) $(%s_OPTS) depend &&",
p->ident);
fprintf(outmk, "\\\n");
fprintf(outmk, "\t\t$(CRUNCHMAKE) $(BUILDOPTS) $(%s_OPTS) "
"$(%s_OBJS))",
p->ident, p->ident);
fprintf(outmk, "\n");
fprintf(outmk, "%s_clean:\n", p->ident);
fprintf(outmk, "\t(cd $(%s_SRCDIR) && $(CRUNCHMAKE) $(BUILDOPTS) clean cleandepend)\n\n",
p->ident);
} else {
fprintf(outmk, "%s_make:\n", p->ident);
fprintf(outmk, "\t@echo \"** cannot make objs for %s\"\n\n",
p->name);
}
fprintf(outmk, "%s_OBJPATHS=", p->ident);
if (p->objpaths)
output_strlst(outmk, p->objpaths);
else {
for (lst = p->objs; lst != NULL; lst = lst->next) {
fprintf(outmk, " $(%s_OBJDIR)/%s", p->ident, lst->str);
}
fprintf(outmk, "\n");
}
if (p->libs) {
fprintf(outmk, "%s_LIBS=", p->ident);
output_strlst(outmk, p->libs);
}
fprintf(outmk, "%s_stub.c:\n", p->name);
fprintf(outmk, "\techo \""
"int _crunched_%s_stub(int argc, char **argv, char **envp)"
"{return main(argc,argv,envp);}\" >%s_stub.c\n",
p->ident, p->name);
fprintf(outmk, "%s.lo: %s_stub.o $(%s_OBJPATHS)",
p->name, p->name, p->ident);
if (p->libs)
fprintf(outmk, " $(%s_LIBS)", p->ident);
fprintf(outmk, "\n");
fprintf(outmk, "\tld -dc -r -o %s.lo %s_stub.o $(%s_OBJPATHS)",
p->name, p->name, p->ident);
if (p->libs)
fprintf(outmk, " $(%s_LIBS)", p->ident);
fprintf(outmk, "\n");
fprintf(outmk, "\tcrunchide -k _crunched_%s_stub ", p->ident);
for (lst = p->keeplist; lst != NULL; lst = lst->next)
fprintf(outmk, "-k _%s ", lst->str);
fprintf(outmk, "%s.lo\n", p->name);
}
void output_strlst(FILE *outf, strlst_t *lst)
{
for (; lst != NULL; lst = lst->next)
if ( strlen(lst->str) )
fprintf(outf, " %s", lst->str);
fprintf(outf, "\n");
}
/*
* ========================================================================
* general library routines
*
*/
void status(char *str)
{
static int lastlen = 0;
int len, spaces;
if (!verbose)
return;
len = strlen(str);
spaces = lastlen - len;
if (spaces < 1)
spaces = 1;
fprintf(stderr, " [%s]%*.*s\r", str, spaces, spaces, " ");
fflush(stderr);
lastlen = len;
}
void out_of_memory(void)
{
err(1, "%s: %d: out of memory, stopping", infilename, linenum);
}
void add_string(strlst_t **listp, char *str)
{
strlst_t *p1, *p2;
/* add to end, but be smart about dups */
for (p1 = NULL, p2 = *listp; p2 != NULL; p1 = p2, p2 = p2->next)
if (!strcmp(p2->str, str))
return;
p2 = malloc(sizeof(strlst_t));
if (p2) {
p2->next = NULL;
p2->str = strdup(str);
}
if (!p2 || !p2->str)
out_of_memory();
if (p1 == NULL)
*listp = p2;
else
p1->next = p2;
}
int subtract_strlst(strlst_t **lista, strlst_t **listb)
{
int subtract_count = 0;
strlst_t *p1;
for (p1 = *listb; p1 != NULL; p1 = p1->next)
if ( in_list(lista, p1->str) ) {
warnx("Will compile library `%s' dynamically", p1->str);
strcat(p1->str, "");
subtract_count++;
}
return subtract_count;
}
int in_list(strlst_t **listp, char *str)
{
strlst_t *p1;
for (p1 = *listp; p1 != NULL; p1 = p1->next)
if (!strcmp(p1->str, str))
return 1;
return 0;
}
int is_dir(char *pathname)
{
struct stat buf;
if (stat(pathname, &buf) == -1)
return 0;
return S_ISDIR(buf.st_mode);
}
int is_nonempty_file(char *pathname)
{
struct stat buf;
if (stat(pathname, &buf) == -1)
return 0;
return S_ISREG(buf.st_mode) && buf.st_size > 0;
}
|
the_stack_data/125140583.c
|
/* Taxonomy Classification: 0000000100000152000210 */
/*
* WRITE/READ 0 write
* WHICH BOUND 0 upper
* DATA TYPE 0 char
* MEMORY LOCATION 0 stack
* SCOPE 0 same
* CONTAINER 0 no
* POINTER 0 no
* INDEX COMPLEXITY 1 variable
* ADDRESS COMPLEXITY 0 constant
* LENGTH COMPLEXITY 0 N/A
* ADDRESS ALIAS 0 none
* INDEX ALIAS 0 none
* LOCAL CONTROL FLOW 0 none
* SECONDARY CONTROL FLOW 1 if
* LOOP STRUCTURE 5 non-standard do-while
* LOOP COMPLEXITY 2 one
* ASYNCHRONY 0 no
* TAINT 0 no
* RUNTIME ENV. DEPENDENCE 0 no
* MAGNITUDE 2 8 bytes
* CONTINUOUS/DISCRETE 1 continuous
* SIGNEDNESS 0 no
*/
/*
Copyright 2005 Massachusetts Institute of Technology
All rights reserved.
Redistribution and use of software in source and binary forms, with or without
modification, are permitted provided that the following conditions are met.
- Redistributions of source code must retain the above copyright notice,
this set of conditions and the disclaimer below.
- Redistributions in binary form must reproduce the copyright notice, this
set of conditions, and the disclaimer below in the documentation and/or
other materials provided with the distribution.
- Neither the name of the Massachusetts Institute of Technology nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS".
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
int main(int argc, char *argv[])
{
int init_value;
int loop_counter;
char buf[10];
init_value = 0;
loop_counter = init_value;
do
{
/* BAD */
buf[loop_counter] = 'A';
if (loop_counter >= 17) break;
}
while(++loop_counter);
return 0;
}
|
the_stack_data/76700167.c
|
#include<stdio.h>
main()
{
int i=0,n=0;
int a=0,b=1,fib=0;
printf("Enter a Number\n");
scanf("%d",&n);
if(n<=0)
{
printf("\nInvalid Input");
exit(0);
}
printf("\nFibonacci Series :\n\n");
if(n==1)
printf("%d\t",a);
else if(n>=2)
{
printf("%d\t",a);
printf("%d\t",b);
for(i=0;i<n-2;i++)
{
fib = a + b;
printf("%d\t",fib);
a = b;
b = fib;
}
}
printf("\n\nFibanocci Series Ends");
}
|
the_stack_data/29826381.c
|
static double xN_nm2[] = {
1.000000e+00,
0.000000e+00,
0.000000e+00,
0.000000e+00,
0.000000e+00,
0.000000e+00
};
|
the_stack_data/82948967.c
|
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
int main()
{
printf("\n\tMinimum and maximum values a `signed char' can hold.\n");
printf("\tSCHAR_MIN = %d\n", SCHAR_MIN);
printf("\tSCHAR_MAX = %d\n", SCHAR_MAX);
printf("\tMaximum value an `unsigned char' can hold.\n");
printf("\tUCHAR_MAX = %d\n", UCHAR_MAX);
printf("\tMinimum and maximum values a `char' can hold.\n");
printf("\tIn this architeture the char unsigned is definde.\n");
printf("\tCHAR_MIN = %d\n", CHAR_MIN);
printf("\tCHAR_MAX = UCHAR_MAX = %d\n", UCHAR_MAX);
printf("\tCHAR_MIN = SCHAR_MIN = %d\n", SCHAR_MIN);
printf("\tCHAR_MAX = SCGAR_MAX = %d\n", SCHAR_MAX);
printf("\tMinimum and maximum values a `signed short int' can hold.\n");
printf("\tSHRT_MIN = %d\n", SHRT_MIN);
printf("\tSHRT_MAX = %d\n\n", SHRT_MAX);
return EXIT_SUCCESS;
}
|
the_stack_data/25822.c
|
/*
* mempool.c
* splitstream - Stream object splitter
*
* Copyright ยฉ 2015 Rickard Lyrenius
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* This file implements a small object memory pool. It allocates a block of quanta (each
quantum is a power of 2, default 256 bytes). The size of the block is
quantumsize * sizeof(long) * 8
which is 8k for 32 bit processes and 16k for 64 bit processes.
Memory is allocated by setting a bitmask indicating of the memory quantum is used. If
the amount of allocated memory does not fit within a memory pool, a child pool is
allocated recursively (which means the memory pool grows indefinitely). The memory
pool never shrinks.
If a (re)allocation does not fit within a block, that allocation will be made outside
of the memory pool (using normal malloc/realloc).
When a memory pool is destroyed, all memory allocated from it should have been freed.
If this is not true, an exception is raised.
Some useful properties for this usecase:
* A small allocation is usually just a matter of flipping a few bits in the bitmask.
* A reallocation on the latest allocation is just a matter of flipping bits in the bitmask.
* A reallocation that fits within a quantum is a no-op.
*/
#include <stdlib.h>
#include <string.h>
/* Allocation chunk size, in powers of 2 */
#define MEMPOOL_QUANTUM_POWER 8
#define MEMPOOL_BLOCK_QUANTUMS (8 * sizeof(size_t))
#define MEMPOOL_BLOCKSIZE (MEMPOOL_BLOCK_QUANTUMS) * (1<<(MEMPOOL_QUANTUM_POWER))
/* Define DISABLE_MEMPOOL to disable the memory pool entirely and rely on malloc/free.
This will lower performance by 60-100% in many cases, especially in the cases of
many small documents in one large stream and huge documents with small read buffers.
It may, however, reduce memory footprint (not tested). The option was introduced to
allow experimenting with allocators, such as tcmalloc or special cases for embedded
targets with even tighter memory constraints. But for now, the memory pool is doing
a decent job. */
/* #define DISABLE_MEMPOOL */
static size_t MEMPOOL_BLOCK_QUANTIFY(size_t x) {
size_t bs = (1<<MEMPOOL_QUANTUM_POWER) * MEMPOOL_BLOCK_QUANTUMS;
int n = (int)((x + bs - 1) / bs);
return n * MEMPOOL_BLOCKSIZE;
}
#define MEMPOOL_BITMASK(ct, offset) \
( ((ct == 8 * sizeof(size_t)) ? (size_t)-1 : \
((((size_t)1) << (size_t)(ct)) - (size_t)1)) \
<< (size_t)(offset))
#define MEMPOOL_QUANTUMS(size) \
((((size_t)(size)) + ((size_t)1 << MEMPOOL_QUANTUM_POWER) - 1) >> MEMPOOL_QUANTUM_POWER)
struct mempool
{
unsigned char* data;
unsigned long bitmask;
struct mempool* next;
};
struct mempool* mempool_New(void)
{
#ifdef DISABLE_MEMPOOL
return NULL;
#else
struct mempool* pool = malloc(sizeof(struct mempool));
if(!pool) return NULL;
pool->data = malloc(MEMPOOL_BLOCKSIZE);
if(!pool->data) return NULL;
pool->next = NULL;
pool->bitmask = 0;
return pool;
#endif
}
void mempool_Destroy(struct mempool* pool, int check)
{
#ifndef DISABLE_MEMPOOL
if(pool->next) mempool_Destroy(pool->next, check);
//if(check && pool->bitmask) abort();
if(pool->data) free(pool->data);
free(pool);
#endif
}
void* mempool_Alloc(struct mempool* pool, size_t size)
{
#ifdef DISABLE_MEMPOOL
return malloc(size);
#else
int blocksNeeded, bitsRem, bit;
unsigned long mask;
if(size <= 1) size = (1 << MEMPOOL_QUANTUM_POWER);
blocksNeeded = (int)MEMPOOL_QUANTUMS(size);
if(blocksNeeded > MEMPOOL_BLOCK_QUANTUMS) {
return malloc(MEMPOOL_BLOCK_QUANTIFY(size));
}
mask = (1 << blocksNeeded) - 1;
bitsRem = MEMPOOL_BLOCK_QUANTUMS - blocksNeeded;
for(bit = 0; bit <= bitsRem; ++bit) {
if(((pool->bitmask >> bit) & mask) == 0) {
pool->bitmask |= mask << bit;
void* pd = pool->data + (1 << MEMPOOL_QUANTUM_POWER) * bit;
return pd;
}
}
if(!pool->next) {
pool->next = mempool_New();
if(!pool->next) return NULL;
}
return mempool_Alloc(pool->next, size);
#endif
}
void mempool_Free(struct mempool* pool, void* ptr, size_t size)
{
#ifdef DISABLE_MEMPOOL
free(ptr);
#else
unsigned char* p = ptr, *end = pool->data + MEMPOOL_BLOCKSIZE;
if(p >= pool->data && p < end) {
int blocksNeeded, offset;
size_t mask;
if(size <= 1) size = (1 << MEMPOOL_QUANTUM_POWER);
blocksNeeded = (int)((size - 1) >> (MEMPOOL_QUANTUM_POWER)) + 1;
offset = (int)((p - pool->data) >> MEMPOOL_QUANTUM_POWER);
mask = MEMPOOL_BITMASK(blocksNeeded, offset);
pool->bitmask &= ~mask;
} else if(pool->next) {
mempool_Free(pool->next, ptr, size);
} else {
free(ptr);
}
#endif
}
#ifndef DISABLE_MEMPOOL
static unsigned char* mempool_ReAlloc_internal(struct mempool* pool, struct mempool* root, unsigned char* ptr, size_t oldSize, size_t newSize)
{
unsigned char* end = pool->data + MEMPOOL_BLOCKSIZE;
if(ptr >= pool->data && ptr < end) {
void* newptr;
int oldNeeded, newNeeded, offset;
if(oldSize <= 1) oldSize = (1 << MEMPOOL_QUANTUM_POWER);
if(newSize <= 1) newSize = (1 << MEMPOOL_QUANTUM_POWER);
oldNeeded = (int)MEMPOOL_QUANTUMS(oldSize);
newNeeded = (int)MEMPOOL_QUANTUMS(newSize);
if(newNeeded <= oldNeeded) return ptr; /* Never shrink */
offset = (int)((ptr - pool->data) >> MEMPOOL_QUANTUM_POWER);
if(offset + newNeeded <= MEMPOOL_BLOCK_QUANTUMS) {
size_t maskDiff = MEMPOOL_BITMASK(newNeeded, offset) & ~MEMPOOL_BITMASK(oldNeeded, offset);
if(!(pool->bitmask & maskDiff)) {
pool->bitmask |= maskDiff;
return ptr;
}
}
newptr = mempool_Alloc(root, newSize);
if(!newptr) return NULL;
memcpy(newptr, ptr, oldSize);
mempool_Free(pool, ptr, oldSize);
return newptr;
} else if(pool->next) {
return mempool_ReAlloc_internal(pool->next, root, ptr, oldSize, newSize);
} else {
newSize = MEMPOOL_BLOCK_QUANTIFY(newSize);
oldSize = MEMPOOL_BLOCK_QUANTIFY(oldSize);
if(newSize == oldSize) return ptr;
return realloc(ptr, newSize);
}
}
#endif
void* mempool_ReAlloc(struct mempool* pool, void* ptr, size_t oldSize, size_t newSize)
{
#ifdef DISABLE_MEMPOOL
return realloc(ptr, newSize);
#else
return mempool_ReAlloc_internal(pool, pool, (unsigned char*)ptr, oldSize, newSize);
#endif
}
|
the_stack_data/144459.c
|
struct Recursive {
struct Recursive *p;
};
int foo() {
struct Recursive *a;
struct Recursive *b;
a = ext_allocation();
b = a->p->p;
free(b->p);
free(a->p->p->p);
return 0;
}
int main() {
foo();
return 0;
}
|
the_stack_data/162097.c
|
//@ ltl invariant positive: []AP(error == 0);
/* Generated by CIL v. 1.7.3 */
/* print_CIL_Input is false */
struct l_struct_union_OC_SegmentSelector;
struct l_struct_union_OC_SegmentSelector;
struct l_struct_struct_OC_Segments;
struct l_struct_struct_OC_Segments;
struct l_struct_union_OC_anon_OC_1;
struct l_struct_union_OC_anon_OC_1;
struct l_struct_struct_OC_Reg;
struct l_struct_struct_OC_Reg;
struct l_struct_struct_OC_AddressSpace;
struct l_struct_struct_OC_AddressSpace;
struct l_struct_struct_OC_GPR;
struct l_struct_struct_OC_GPR;
struct l_struct_struct_OC_anon_OC_3;
struct l_struct_struct_OC_anon_OC_3;
struct l_struct_struct_OC_X87Stack;
struct l_struct_struct_OC_X87Stack;
struct l_struct_struct_OC_uint64v1_t;
struct l_struct_struct_OC_uint64v1_t;
struct l_struct_union_OC_vec64_t;
struct l_struct_union_OC_vec64_t;
struct l_struct_struct_OC_anon_OC_4;
struct l_struct_struct_OC_anon_OC_4;
struct l_struct_struct_OC_MMX;
struct l_struct_struct_OC_MMX;
struct l_struct_struct_OC_FPUStatusFlags;
struct l_struct_struct_OC_FPUStatusFlags;
struct l_struct_union_OC_FPUAbridgedTagWord;
struct l_struct_union_OC_FPUAbridgedTagWord;
struct l_struct_struct_OC_float80_t;
struct l_struct_struct_OC_float80_t;
struct l_struct_union_OC_anon_OC_11;
struct l_struct_union_OC_anon_OC_11;
struct l_struct_struct_OC_FPUStackElem;
struct l_struct_struct_OC_FPUStackElem;
struct l_struct_struct_OC_uint128v1_t;
struct l_struct_struct_OC_uint128v1_t;
struct l_struct_union_OC_vec128_t;
struct l_struct_union_OC_vec128_t;
struct l_struct_struct_OC_FpuFXSAVE;
struct l_struct_struct_OC_FpuFXSAVE;
struct l_array_4_int {
int array[4] ;
};
struct l_struct_seg_804964c__bss_type {
struct l_array_4_int field0 ;
struct l_array_4_int field1 ;
struct l_array_4_int field2 ;
};
struct l_struct_union_OC_anon {
int field0 ;
};
struct l_struct_struct_OC_ArchState {
int field0 ;
int field1 ;
struct l_struct_union_OC_anon field2 ;
};
struct l_array_8_int {
int array[8] ;
};
struct l_struct_struct_OC_uint64v8_t {
struct l_array_8_int field0 ;
};
struct l_struct_union_OC_vec512_t {
struct l_struct_struct_OC_uint64v8_t field0 ;
};
struct l_struct_union_OC_VectorReg {
struct l_struct_union_OC_vec512_t field0 ;
};
struct l_array_32_struct_AC_l_struct_union_OC_VectorReg {
struct l_struct_union_OC_VectorReg array[32] ;
};
struct l_struct_struct_OC_ArithFlags {
int field0 ;
int field1 ;
int field2 ;
int field3 ;
int field4 ;
int field5 ;
int field6 ;
int field7 ;
int field8 ;
int field9 ;
int field10 ;
int field11 ;
int field12 ;
int field13 ;
int field14 ;
int field15 ;
};
struct l_struct_union_OC_SegmentSelector {
int field0 ;
};
struct l_struct_struct_OC_Segments {
int field0 ;
struct l_struct_union_OC_SegmentSelector field1 ;
int field2 ;
struct l_struct_union_OC_SegmentSelector field3 ;
int field4 ;
struct l_struct_union_OC_SegmentSelector field5 ;
int field6 ;
struct l_struct_union_OC_SegmentSelector field7 ;
int field8 ;
struct l_struct_union_OC_SegmentSelector field9 ;
int field10 ;
struct l_struct_union_OC_SegmentSelector field11 ;
};
struct l_struct_union_OC_anon_OC_1 {
int field0 ;
};
struct l_struct_struct_OC_Reg {
struct l_struct_union_OC_anon_OC_1 field0 ;
int field1 ;
};
struct l_struct_struct_OC_AddressSpace {
int field0 ;
struct l_struct_struct_OC_Reg field1 ;
int field2 ;
struct l_struct_struct_OC_Reg field3 ;
int field4 ;
struct l_struct_struct_OC_Reg field5 ;
int field6 ;
struct l_struct_struct_OC_Reg field7 ;
int field8 ;
struct l_struct_struct_OC_Reg field9 ;
int field10 ;
struct l_struct_struct_OC_Reg field11 ;
};
struct l_struct_struct_OC_GPR {
int field0 ;
struct l_struct_struct_OC_Reg field1 ;
int field2 ;
struct l_struct_struct_OC_Reg field3 ;
int field4 ;
struct l_struct_struct_OC_Reg field5 ;
int field6 ;
struct l_struct_struct_OC_Reg field7 ;
int field8 ;
struct l_struct_struct_OC_Reg field9 ;
int field10 ;
struct l_struct_struct_OC_Reg field11 ;
int field12 ;
struct l_struct_struct_OC_Reg field13 ;
int field14 ;
struct l_struct_struct_OC_Reg field15 ;
int field16 ;
struct l_struct_struct_OC_Reg field17 ;
int field18 ;
struct l_struct_struct_OC_Reg field19 ;
int field20 ;
struct l_struct_struct_OC_Reg field21 ;
int field22 ;
struct l_struct_struct_OC_Reg field23 ;
int field24 ;
struct l_struct_struct_OC_Reg field25 ;
int field26 ;
struct l_struct_struct_OC_Reg field27 ;
int field28 ;
struct l_struct_struct_OC_Reg field29 ;
int field30 ;
struct l_struct_struct_OC_Reg field31 ;
int field32 ;
struct l_struct_struct_OC_Reg field33 ;
};
struct l_struct_struct_OC_anon_OC_3 {
int field0 ;
double field1 ;
};
struct l_array_8_struct_AC_l_struct_struct_OC_anon_OC_3 {
struct l_struct_struct_OC_anon_OC_3 array[8] ;
};
struct l_struct_struct_OC_X87Stack {
struct l_array_8_struct_AC_l_struct_struct_OC_anon_OC_3 field0 ;
};
struct l_array_1_int {
int array[1] ;
};
struct l_struct_struct_OC_uint64v1_t {
struct l_array_1_int field0 ;
};
struct l_struct_union_OC_vec64_t {
struct l_struct_struct_OC_uint64v1_t field0 ;
};
struct l_struct_struct_OC_anon_OC_4 {
int field0 ;
struct l_struct_union_OC_vec64_t field1 ;
};
struct l_array_8_struct_AC_l_struct_struct_OC_anon_OC_4 {
struct l_struct_struct_OC_anon_OC_4 array[8] ;
};
struct l_struct_struct_OC_MMX {
struct l_array_8_struct_AC_l_struct_struct_OC_anon_OC_4 field0 ;
};
struct l_struct_struct_OC_FPUStatusFlags {
int field0 ;
int field1 ;
int field2 ;
int field3 ;
int field4 ;
int field5 ;
int field6 ;
int field7 ;
int field8 ;
int field9 ;
int field10 ;
int field11 ;
int field12 ;
int field13 ;
int field14 ;
int field15 ;
int field16 ;
int field17 ;
int field18 ;
int field19 ;
struct l_array_4_int field20 ;
};
struct l_struct_union_OC_FPUAbridgedTagWord {
int field0 ;
};
struct l_array_10_int {
int array[10] ;
};
struct l_struct_struct_OC_float80_t {
struct l_array_10_int field0 ;
};
struct l_struct_union_OC_anon_OC_11 {
struct l_struct_struct_OC_float80_t field0 ;
};
struct l_array_6_int {
int array[6] ;
};
struct l_struct_struct_OC_FPUStackElem {
struct l_struct_union_OC_anon_OC_11 field0 ;
struct l_array_6_int field1 ;
};
struct l_array_8_struct_AC_l_struct_struct_OC_FPUStackElem {
struct l_struct_struct_OC_FPUStackElem array[8] ;
};
struct l_array_96_int {
int array[96] ;
};
struct l_struct_struct_OC_SegmentShadow {
struct l_struct_union_OC_anon field0 ;
int field1 ;
int field2 ;
};
struct l_struct_struct_OC_SegmentCaches {
struct l_struct_struct_OC_SegmentShadow field0 ;
struct l_struct_struct_OC_SegmentShadow field1 ;
struct l_struct_struct_OC_SegmentShadow field2 ;
struct l_struct_struct_OC_SegmentShadow field3 ;
struct l_struct_struct_OC_SegmentShadow field4 ;
struct l_struct_struct_OC_SegmentShadow field5 ;
};
struct l_struct_struct_OC_State {
struct l_struct_struct_OC_ArchState field0 ;
struct l_array_32_struct_AC_l_struct_union_OC_VectorReg field1 ;
struct l_struct_struct_OC_ArithFlags field2 ;
struct l_struct_union_OC_anon field3 ;
struct l_struct_struct_OC_Segments field4 ;
struct l_struct_struct_OC_AddressSpace field5 ;
struct l_struct_struct_OC_GPR field6 ;
struct l_struct_struct_OC_X87Stack field7 ;
struct l_struct_struct_OC_MMX field8 ;
struct l_struct_struct_OC_FPUStatusFlags field9 ;
struct l_struct_union_OC_anon field10 ;
struct l_struct_struct_OC_SegmentCaches field12 ;
};
/* compiler builtin:
void __builtin_va_copy(__builtin_va_list , __builtin_va_list ) ; */
/* compiler builtin:
double __builtin_huge_val(void) ; */
/* compiler builtin:
int __builtin_clzl(unsigned long ) ; */
/* compiler builtin:
float __builtin_frexpf(float , int * ) ; */
/* compiler builtin:
long double __builtin_fmodl(long double ) ; */
/* compiler builtin:
double __builtin_atan(double ) ; */
/* compiler builtin:
int __builtin___fprintf_chk(void * , int , char const * , ...) ; */
/* compiler builtin:
float __builtin_ceilf(float ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_and_and_fetch(...) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_fetch_and_or(...) ; */
/* compiler builtin:
void __builtin_return(void const * ) ; */
/* compiler builtin:
int __builtin_popcountll(unsigned long long ) ; */
/* compiler builtin:
long double __builtin_asinl(long double ) ; */
/* compiler builtin:
float __builtin_atanf(float ) ; */
/* compiler builtin:
int __builtin_ffsll(unsigned long long ) ; */
/* compiler builtin:
float __attribute__((____vector_size____(16))) __builtin_ia32_addps(float __attribute__((____vector_size____(16))) ,
float __attribute__((____vector_size____(16))) ) ; */
/* compiler builtin:
unsigned long __builtin_strcspn(char const * , char const * ) ; */
/* compiler builtin:
float __builtin_asinf(float ) ; */
/* compiler builtin:
float __attribute__((____vector_size____(16))) __builtin_ia32_maxps(float __attribute__((____vector_size____(16))) ,
float __attribute__((____vector_size____(16))) ) ; */
/* compiler builtin:
float __attribute__((____vector_size____(16))) __builtin_ia32_unpckhps(float __attribute__((____vector_size____(16))) ,
float __attribute__((____vector_size____(16))) ) ; */
/* compiler builtin:
double __builtin_acos(double ) ; */
/* compiler builtin:
int __builtin_va_arg_pack(void) ; */
/* compiler builtin:
char *__builtin___strncpy_chk(char * , char const * , unsigned long , unsigned long ) ; */
/* compiler builtin:
int __builtin___sprintf_chk(char * , int , unsigned long , char const * , ...) ; */
/* compiler builtin:
double __builtin_powi(double , int ) ; */
/* compiler builtin:
char *__builtin_strchr(char * , int ) ; */
/* compiler builtin:
char *__builtin___strncat_chk(char * , char const * , unsigned long , unsigned long ) ; */
/* compiler builtin:
long double __builtin_huge_vall(void) ; */
/* compiler builtin:
int __builtin_ffsl(unsigned long ) ; */
/* compiler builtin:
int __builtin___vprintf_chk(int , char const * , __builtin_va_list ) ; */
/* compiler builtin:
float __attribute__((____vector_size____(16))) __builtin_ia32_unpcklps(float __attribute__((____vector_size____(16))) ,
float __attribute__((____vector_size____(16))) ) ; */
/* compiler builtin:
char *__builtin_strncat(char * , char const * , unsigned long ) ; */
/* compiler builtin:
int __builtin_ctzll(unsigned long long ) ; */
/* compiler builtin:
double __builtin_cosh(double ) ; */
/* compiler builtin:
void __builtin_stdarg_start(__builtin_va_list ) ; */
/* compiler builtin:
float __builtin_tanhf(float ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_fetch_and_xor(...) ; */
/* compiler builtin:
void *__builtin_mempcpy(void * , void const * , unsigned long ) ; */
/* compiler builtin:
long double __builtin_frexpl(long double , int * ) ; */
/* compiler builtin:
float __builtin_tanf(float ) ; */
/* compiler builtin:
long double __builtin_logl(long double ) ; */
/* compiler builtin:
long double __builtin_sqrtl(long double ) ; */
/* compiler builtin:
int __builtin_parity(unsigned int ) ; */
/* compiler builtin:
void __builtin_va_arg(__builtin_va_list , unsigned long , void * ) ; */
/* compiler builtin:
long __builtin_expect(long , long ) ; */
/* compiler builtin:
long double __builtin_coshl(long double ) ; */
/* compiler builtin:
long double __builtin_cosl(long double ) ; */
/* compiler builtin:
float __builtin_cosf(float ) ; */
/* compiler builtin:
int __builtin___printf_chk(int , char const * , ...) ; */
/* compiler builtin:
void __sync_synchronize(...) ; */
/* compiler builtin:
long double __builtin_acosl(long double ) ; */
/* compiler builtin:
int __builtin___vfprintf_chk(void * , int , char const * , __builtin_va_list ) ; */
/* compiler builtin:
void *__builtin___mempcpy_chk(void * , void const * , unsigned long , unsigned long ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_or_and_fetch(...) ; */
/* compiler builtin:
void __builtin_prefetch(void const * , ...) ; */
/* compiler builtin:
long double __builtin_nansl(char const * ) ; */
/* compiler builtin:
double __builtin_fmod(double ) ; */
/* compiler builtin:
int __builtin_clz(unsigned int ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_val_compare_and_swap(...) ; */
/* compiler builtin:
double __builtin_log10(double ) ; */
/* compiler builtin:
char *__builtin___strcat_chk(char * , char const * , unsigned long ) ; */
/* compiler builtin:
double __builtin_tanh(double ) ; */
/* compiler builtin:
float __builtin_modff(float , float * ) ; */
/* compiler builtin:
double __builtin_sin(double ) ; */
/* compiler builtin:
double __builtin_frexp(double , int * ) ; */
/* compiler builtin:
float __builtin_acosf(float ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_add_and_fetch(...) ; */
/* compiler builtin:
long double __builtin_sinhl(long double ) ; */
/* compiler builtin:
char *__builtin___stpcpy_chk(char * , char const * , unsigned long ) ; */
/* compiler builtin:
long double __builtin_ldexpl(long double , int ) ; */
/* compiler builtin:
double __builtin_fabs(double ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_fetch_and_nand(...) ; */
/* compiler builtin:
void *__builtin_apply(void (*)() , void * , unsigned long ) ; */
/* compiler builtin:
float __builtin_sinf(float ) ; */
/* compiler builtin:
double __builtin_ceil(double ) ; */
/* compiler builtin:
long double __builtin_powil(long double , int ) ; */
/* compiler builtin:
void __builtin_va_start(__builtin_va_list ) ; */
/* compiler builtin:
long double __builtin_expl(long double ) ; */
/* compiler builtin:
int __builtin_constant_p(int ) ; */
/* compiler builtin:
double __builtin_log(double ) ; */
/* compiler builtin:
float __builtin_expf(float ) ; */
/* compiler builtin:
int __builtin_types_compatible_p(unsigned long , unsigned long ) ; */
/* compiler builtin:
int __builtin_ctz(unsigned int ) ; */
/* compiler builtin:
long double __builtin_atan2l(long double , long double ) ; */
/* compiler builtin:
void *__builtin_apply_args(void) ; */
/* compiler builtin:
char *__builtin_strpbrk(char const * , char const * ) ; */
/* compiler builtin:
char *__builtin_strcpy(char * , char const * ) ; */
/* compiler builtin:
double __builtin_sqrt(double ) ; */
/* compiler builtin:
__builtin_va_list __builtin_next_arg(void) ; */
/* compiler builtin:
float __builtin_logf(float ) ; */
/* compiler builtin:
float __builtin_log10f(float ) ; */
/* compiler builtin:
long double __builtin_fabsl(long double ) ; */
/* compiler builtin:
unsigned long __builtin_strlen(char const * ) ; */
/* compiler builtin:
long double __builtin_floorl(long double ) ; */
/* compiler builtin:
int __builtin_ffs(unsigned int ) ; */
/* compiler builtin:
double __builtin_inf(void) ; */
/* compiler builtin:
float __builtin_floorf(float ) ; */
/* compiler builtin:
void *__builtin_memcpy(void * , void const * , unsigned long ) ; */
/* compiler builtin:
void *__builtin___memcpy_chk(void * , void const * , unsigned long , unsigned long ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_sub_and_fetch(...) ; */
/* compiler builtin:
int __builtin_parityl(unsigned long ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_nand_and_fetch(...) ; */
/* compiler builtin:
float __attribute__((____vector_size____(16))) __builtin_ia32_subps(float __attribute__((____vector_size____(16))) ,
float __attribute__((____vector_size____(16))) ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_lock_test_and_set(...) ; */
/* compiler builtin:
unsigned long __builtin_strspn(char const * , char const * ) ; */
/* compiler builtin:
void __builtin_varargs_start(__builtin_va_list ) ; */
/* compiler builtin:
int __builtin_parityll(unsigned long long ) ; */
/* compiler builtin:
void __builtin_va_end(__builtin_va_list ) ; */
/* compiler builtin:
void __builtin_bzero(void * , unsigned long ) ; */
/* compiler builtin:
int __builtin_strncmp(char const * , char const * , unsigned long ) ; */
/* compiler builtin:
double __builtin_nan(char const * ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_xor_and_fetch(...) ; */
/* compiler builtin:
int __builtin___vsprintf_chk(char * , int , unsigned long , char const * ,
__builtin_va_list ) ; */
/* compiler builtin:
int __builtin___snprintf_chk(char * , unsigned long , int , unsigned long ,
char const * , ...) ; */
/* compiler builtin:
float __builtin_sqrtf(float ) ; */
/* compiler builtin:
double __builtin_nans(char const * ) ; */
/* compiler builtin:
long double __builtin_atanl(long double ) ; */
/* compiler builtin:
double __builtin_exp(double ) ; */
/* compiler builtin:
int __builtin_clzll(unsigned long long ) ; */
/* compiler builtin:
float __builtin_huge_valf(void) ; */
/* compiler builtin:
float __builtin_coshf(float ) ; */
/* compiler builtin:
float __builtin_nansf(char const * ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_fetch_and_add(...) ; */
/* compiler builtin:
int __builtin___vsnprintf_chk(char * , unsigned long , int , unsigned long ,
char const * , __builtin_va_list ) ; */
/* compiler builtin:
float __builtin_nanf(char const * ) ; */
/* compiler builtin:
int __builtin_strcmp(char const * , char const * ) ; */
/* compiler builtin:
_Bool __sync_bool_compare_and_swap(...) ; */
/* compiler builtin:
float __builtin_ldexpf(float , int ) ; */
/* compiler builtin:
double __builtin_atan2(double , double ) ; */
/* compiler builtin:
int __builtin_popcountl(unsigned long ) ; */
/* compiler builtin:
float __builtin_powif(float , int ) ; */
/* compiler builtin:
long double __builtin_ceill(long double ) ; */
/* compiler builtin:
char *__builtin___strcpy_chk(char * , char const * , unsigned long ) ; */
/* compiler builtin:
long double __builtin_log10l(long double ) ; */
/* compiler builtin:
void *__builtin___memmove_chk(void * , void const * , unsigned long , unsigned long ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_fetch_and_and(...) ; */
/* compiler builtin:
void *__builtin_return_address(unsigned int ) ; */
/* compiler builtin:
float __builtin_fabsf(float ) ; */
/* compiler builtin:
double __builtin_floor(double ) ; */
/* compiler builtin:
double __builtin_cos(double ) ; */
/* compiler builtin:
void __attribute__((__overloaded__)) __sync_fetch_and_sub(...) ; */
/* compiler builtin:
unsigned long __builtin_object_size(void * , int ) ; */
/* compiler builtin:
void *__builtin_memset(void * , int , int ) ; */
/* compiler builtin:
void *__builtin_alloca(unsigned long ) ; */
/* compiler builtin:
long double __builtin_nanl(char const * ) ; */
/* compiler builtin:
float __builtin_atan2f(float , float ) ; */
/* compiler builtin:
int __builtin_popcount(unsigned int ) ; */
/* compiler builtin:
int __builtin_va_arg_pack_len(void) ; */
/* compiler builtin:
long double __builtin_tanl(long double ) ; */
/* compiler builtin:
double __builtin_sinh(double ) ; */
/* compiler builtin:
void __builtin_bcopy(void const * , void * , unsigned long ) ; */
/* compiler builtin:
void __sync_lock_release(...) ; */
/* compiler builtin:
long double __builtin_modfl(long double , long double * ) ; */
/* compiler builtin:
char *__builtin_stpcpy(char * , char const * ) ; */
/* compiler builtin:
long double __builtin_sinl(long double ) ; */
/* compiler builtin:
double __builtin_asin(double ) ; */
/* compiler builtin:
float __builtin_sinhf(float ) ; */
/* compiler builtin:
int __builtin_ctzl(unsigned long ) ; */
/* compiler builtin:
long double __builtin_tanhl(long double ) ; */
/* compiler builtin:
int __builtin_bswap32(int ) ; */
/* compiler builtin:
double __builtin_ldexp(double , int ) ; */
/* compiler builtin:
long double __builtin_infl(void) ; */
/* compiler builtin:
long __builtin_bswap64(long ) ; */
/* compiler builtin:
float __builtin_fmodf(float ) ; */
/* compiler builtin:
float __attribute__((____vector_size____(16))) __builtin_ia32_mulps(float __attribute__((____vector_size____(16))) ,
float __attribute__((____vector_size____(16))) ) ; */
/* compiler builtin:
double __builtin_tan(double ) ; */
/* compiler builtin:
char *__builtin_strncpy(char * , char const * , unsigned long ) ; */
/* compiler builtin:
float __builtin_inff(void) ; */
/* compiler builtin:
void *__builtin___memset_chk(void * , int , unsigned long , unsigned long ) ; */
/* compiler builtin:
void *__builtin_frame_address(unsigned int ) ; */
extern void __VERIFIER_error() ;
extern void *sub_8048380___VERIFIER_error(struct l_struct_struct_OC_State * , int ,
void * ) ;
void *main(struct l_struct_struct_OC_State *tmp__1 , int tmp__2 , void *tmp__3 ) ;
extern void __mcsema_constructor(void) ;
extern void __mcsema_destructor(void) ;
static struct l_struct_seg_804964c__bss_type seg_804964c__bss ;
int error = 0;
void *main(struct l_struct_struct_OC_State *tmp__1 , int tmp__2 , void *tmp__3 )
{
int tmp__4 ;
void *tmp__5 ;
int tmp__6 = 0;
{
/* tmp__4 = *((int *)((int )(& seg_804964c__bss) + 8)); */
tmp__4 = tmp__6;
if (((unsigned int )tmp__4 == 0U) & 1) {
goto safe_return;
}
block_804839f:
tmp__5 = sub_8048380___VERIFIER_error((struct l_struct_struct_OC_State *)0, 0, tmp__3);
error = 1;
goto safe_return;
safe_return:
return ((void *)0);
}
}
|
the_stack_data/1174904.c
|
/* Copyright (C) 1999-2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU LIBICONV Library.
The GNU LIBICONV Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
The GNU LIBICONV Library is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU LIBICONV Library; see the file COPYING.LIB.
If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
Fifth Floor, Boston, MA 02110-1301, USA. */
/*
* Generates a table of small strings, used for transliteration, from a table
* containing lines of the form
* Unicode <tab> utf-8 replacement <tab> # comment
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
int main (int argc, char *argv[])
{
unsigned int data[0x100000];
int uni2index[0x110000];
int index;
if (argc != 1)
exit(1);
printf("/*\n");
printf(" * Copyright (C) 1999-2003 Free Software Foundation, Inc.\n");
printf(" * This file is part of the GNU LIBICONV Library.\n");
printf(" *\n");
printf(" * The GNU LIBICONV Library is free software; you can redistribute it\n");
printf(" * and/or modify it under the terms of the GNU Library General Public\n");
printf(" * License as published by the Free Software Foundation; either version 2\n");
printf(" * of the License, or (at your option) any later version.\n");
printf(" *\n");
printf(" * The GNU LIBICONV Library is distributed in the hope that it will be\n");
printf(" * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
printf(" * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n");
printf(" * Library General Public License for more details.\n");
printf(" *\n");
printf(" * You should have received a copy of the GNU Library General Public\n");
printf(" * License along with the GNU LIBICONV Library; see the file COPYING.LIB.\n");
printf(" * If not, write to the Free Software Foundation, Inc., 51 Franklin Street,\n");
printf(" * Fifth Floor, Boston, MA 02110-1301, USA.\n");
printf(" */\n");
printf("\n");
printf("/*\n");
printf(" * Transliteration table\n");
printf(" */\n");
printf("\n");
{
int c;
int j;
for (j = 0; j < 0x110000; j++)
uni2index[j] = -1;
index = 0;
for (;;) {
c = getc(stdin);
if (c == EOF)
break;
if (c == '#') {
do { c = getc(stdin); } while (!(c == EOF || c == '\n'));
continue;
}
ungetc(c,stdin);
if (scanf("%x",&j) != 1)
exit(1);
c = getc(stdin);
if (c != '\t')
exit(1);
for (;;) {
c = getc(stdin);
if (c == EOF || c == '\n')
exit(1);
if (c == '\t')
break;
if (uni2index[j] < 0) {
uni2index[j] = index;
data[index++] = 0;
}
if (c >= 0x80) {
/* Finish reading an UTF-8 character. */
if (c < 0xc0)
exit(1);
else {
unsigned int i = (c < 0xe0 ? 2 : c < 0xf0 ? 3 : c < 0xf8 ? 4 : c < 0xfc ? 5 : 6);
c &= (1 << (8-i)) - 1;
while (--i > 0) {
int cc = getc(stdin);
if (!(cc >= 0x80 && cc < 0xc0))
exit(1);
c <<= 6; c |= (cc & 0x3f);
}
}
}
data[index++] = (unsigned int) c;
}
if (uni2index[j] >= 0)
data[uni2index[j]] = index - uni2index[j] - 1;
do { c = getc(stdin); } while (!(c == EOF || c == '\n'));
}
}
printf("static const unsigned int translit_data[%d] = {",index);
{
int i;
for (i = 0; i < index; i++) {
if (data[i] < 32)
printf("\n %3d,",data[i]);
else if (data[i] == '\'')
printf("'\\'',");
else if (data[i] == '\\')
printf("'\\\\',");
else if (data[i] < 127)
printf(" '%c',",data[i]);
else if (data[i] < 256)
printf("0x%02X,",data[i]);
else
printf("0x%04X,",data[i]);
}
printf("\n};\n");
}
printf("\n");
{
bool pages[0x1100];
int line[0x22000];
int tableno;
struct { int minline; int maxline; int usecount; const char* suffix; } tables[0x2000];
int i, j, p, j1, j2, t;
for (p = 0; p < 0x1100; p++)
pages[p] = false;
for (j = 0; j < 0x110000; j++)
if (uni2index[j] >= 0)
pages[j>>8] = true;
for (j1 = 0; j1 < 0x22000; j1++) {
bool all_invalid = true;
for (j2 = 0; j2 < 8; j2++) {
j = 8*j1+j2;
if (uni2index[j] >= 0)
all_invalid = false;
}
if (all_invalid)
line[j1] = -1;
else
line[j1] = 0;
}
tableno = 0;
for (j1 = 0; j1 < 0x22000; j1++) {
if (line[j1] >= 0) {
if (tableno > 0
&& ((j1 > 0 && line[j1-1] == tableno-1)
|| ((tables[tableno-1].maxline >> 5) == (j1 >> 5)
&& j1 - tables[tableno-1].maxline <= 8))) {
line[j1] = tableno-1;
tables[tableno-1].maxline = j1;
} else {
tableno++;
line[j1] = tableno-1;
tables[tableno-1].minline = tables[tableno-1].maxline = j1;
}
}
}
for (t = 0; t < tableno; t++) {
tables[t].usecount = 0;
j1 = 8*tables[t].minline;
j2 = 8*(tables[t].maxline+1);
for (j = j1; j < j2; j++)
if (uni2index[j] >= 0)
tables[t].usecount++;
}
for (t = 0, p = -1, i = 0; t < tableno; t++) {
if (tables[t].usecount > 1) {
char* s;
if (p == tables[t].minline >> 5) {
s = (char*) malloc(5+1);
sprintf(s, "%02x_%d", p, ++i);
} else {
p = tables[t].minline >> 5;
s = (char*) malloc(2+1);
sprintf(s, "%02x", p);
}
tables[t].suffix = s;
} else
tables[t].suffix = NULL;
}
{
p = -1;
for (t = 0; t < tableno; t++)
if (tables[t].usecount > 1) {
p = 0;
printf("static const short translit_page%s[%d] = {\n", tables[t].suffix, 8*(tables[t].maxline-tables[t].minline+1));
for (j1 = tables[t].minline; j1 <= tables[t].maxline; j1++) {
if ((j1 % 0x20) == 0 && j1 > tables[t].minline)
printf(" /* 0x%04x */\n", 8*j1);
printf(" ");
for (j2 = 0; j2 < 8; j2++) {
j = 8*j1+j2;
printf(" %4d,", uni2index[j]);
}
printf(" /* 0x%02x-0x%02x */\n", 8*(j1 % 0x20), 8*(j1 % 0x20)+7);
}
printf("};\n");
}
if (p >= 0)
printf("\n");
}
printf("#define translit_index(wc) \\\n (");
for (j1 = 0; j1 < 0x22000;) {
t = line[j1];
for (j2 = j1; j2 < 0x22000 && line[j2] == t; j2++);
if (t >= 0) {
if (j1 != tables[t].minline) abort();
if (j2 > tables[t].maxline+1) abort();
j2 = tables[t].maxline+1;
}
if (t == -1) {
} else {
if (t >= 0 && tables[t].usecount == 0) abort();
if (t >= 0 && tables[t].usecount == 1) {
if (j2 != j1+1) abort();
for (j = 8*j1; j < 8*j2; j++)
if (uni2index[j] >= 0) {
printf("wc == 0x%04x ? %d", j, uni2index[j]);
break;
}
} else {
if (j1 == 0) {
printf("wc < 0x%04x", 8*j2);
} else {
printf("wc >= 0x%04x && wc < 0x%04x", 8*j1, 8*j2);
}
printf(" ? translit_page%s[wc", tables[t].suffix);
if (tables[t].minline > 0)
printf("-0x%04x", 8*j1);
printf("]");
}
printf(" : \\\n ");
}
j1 = j2;
}
printf("-1)\n");
}
if (ferror(stdout) || fclose(stdout))
exit(1);
exit(0);
}
|
the_stack_data/67325035.c
|
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char* argv[]) {
unsigned char x;
unsigned char c = argv[1][0];
if (c > 127)
x = c / 3;
else
x = c * 2;
if (x == 63)
printf("if-2-win\n");
else
printf("if-2-lose\n");
return 0;
}
|
the_stack_data/981434.c
|
/*Exercise 2 - Selection
Write a program to calculate the amount to be paid for a rented vehicle.
โข Input the distance the van has travelled
โข The first 30 km is at a rate of 50/= per km.
โข The remaining distance is calculated at the rate of 40/= per km.
e.g.
Distance -> 20
Amount = 20 x 50 = 1000
Distance -> 50
Amount = 30 x 50 + (50-30) x 40 = 2300*/
#include <stdio.h>
int main()
{
float dis, rate, amount;
printf("Input the distance the van has travelled: ");
scanf("%f", &dis);
if(dis < 30)
{
rate = 50.0;
amount = dis*50.0;
}
else if(dis > 30)
{
rate = 40.0;
amount = (30*50.0)+((dis-30)*40.0);
}
printf("Amount is: %.2f", amount);
return 0;
}
|
the_stack_data/156392326.c
|
#include <stdio.h>
main()
{
int flag=1;
mmcif_set_file(stdin);
while(flag)
{
flag=mmcif_get_token();
if(!flag)
{
return;
}
printf("%d ", flag);
printf("%s\n", mmcif_get_string());
}
}
|
the_stack_data/68888428.c
|
/* { dg-do compile } */
/* { dg-options "-O2" } */
int foo1 (int a)
{
int b = a + 1;
if (b != 0)
return b;
return 1;
}
int foo2 (int a)
{
int b = a + 1;
if (b < 0)
return b;
return 1;
}
int foo3 (int a)
{
int b = a + 1;
if (b >= 0)
return b;
return 1;
}
/* { dg-final { scan-assembler "move\t%" } } */
/* { dg-final { scan-assembler "movpos\t%" } } */
/* { dg-final { scan-assembler "movneg\t%" } } */
|
the_stack_data/961172.c
|
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <assert.h>
void insertionSort(int N, int arr[]) {
int i,j;
int value;
for(i=1;i<N;i++)
{
value=arr[i];
j=i-1;
while(j>=0 && value<arr[j]) /* was j>0 */
{
arr[j+1]=arr[j];
j=j-1;
}
arr[j+1]=value;
}
for(j=0;j<N;j++)
{
printf("%d",arr[j]);
printf(" ");
}
}
int main(void) {
int N;
scanf("%d", &N);
int arr[N], i;
for(i = 0; i < N; i++) {
scanf("%d", &arr[i]);
}
insertionSort(N, arr);
return 0;
}
|
the_stack_data/43887405.c
|
/* { dg-do run } */
/* { dg-additional-options "-msse2" { target sse2_runtime } } */
/* { dg-additional-options "-mavx" { target avx_runtime } } */
int
main ()
{
int k = 0, i, s = 0;
#pragma omp parallel
#pragma omp for simd linear(k : 3) reduction(+: s) schedule (static, 16)
for (i = 0; i < 128; i++)
{
k = k + 3;
s = s + k;
}
if (s != 128 * 129 / 2 * 3) __builtin_abort ();
return 0;
}
|
the_stack_data/220454485.c
|
/*
Q: Display sub-array with largest sum
Notes:
------
Number of sub-arrays possible for array with n elements is : (n*(n+1))/2
The innermost nested loop can calculate the sum from indices set by the the 2 outer loops.
Sub-arrays example:
array - [1,2,3]
sub-arrays - [1], [2], [3], [1,2], [2,3], [1,2,3]
Output screenshot: https://github.com/Ranjul-Arumadi/Coding-Problems/blob/main/Output%20Screenshots/Sub-array%20with%20largest%20sum.jpg
*/
/*-------------------------Solution in C-------------------------*/
#include<stdio.h>
int main(){
int size,i,j,k,subarraySize,globalMax,localMax,sum,start,end;
printf("Enter array size: ");
scanf("%d", &size);
int arr[size];
subarraySize = (size*(size+1))/2;
printf("Enter array values: ");
for(i=0;i<size;i++){
scanf("%d", &arr[i]);
}
printf("Inserted array will have %d sub-arrays.\n", subarraySize);
//finding sub-array with largest sum
globalMax = arr[0];
for(i=0;i<size;i++){
for(j=i;j<size;j++){
for(k=i;k<=j;k++){
localMax+=arr[k];
}
if(localMax>globalMax){
globalMax = localMax;
}
localMax=0;
}
}
printf("Largest sub-array sum is: %d\n", globalMax);
//displaying the sub-array
for(i=0;i<size;i++){
for(j=i;j<size;j++){
for(k=i;k<=j;k++){
localMax+=arr[k];
}
if(localMax==globalMax){
start=i;
end=j;
printf("Largest sub-array is: ");
printf("[");
for(int x=i;x<=j;x++){
printf("%d",arr[x]);
if(x!=j){ //used for only styling the output
printf(",");
}
}
printf("]");
break;
}
localMax=0;
}
}
return 0;
}
|
the_stack_data/114811.c
|
/*ๆต่ฏ็จๅบ5.1 ้ฆๅ
ๆต่ฏๅ้xใmๅn็ๅฐๅ๏ผ
*/
#include <stdio.h>
int main()
{
int n,m;
double x;
printf("%x,%x,%x\n",&x,&m,&n); //่พๅบๅ้nใmๅx็ๅฐๅ
/* ๆญคๅคไธบๅๅขๅ ็ๆต่ฏ่ฏญๅฅ
*(double*)0x13ff70=3.1415; //็ธๅฝไบx=3.1415;
*(int*)0x13ff7c=5; //็ธๅฝไบn=5;
*(int*)0x13ff78=*(int*)0x13ff7c; //็ธๅฝไบm=n;
printf("n=%d,m=%d,x=%f\n",n,m,x); //่พๅบๅ้nใmๅx็ๅผ๏ผๆฃ้ช็ปๆ
*/
return 0;
}
|
the_stack_data/59513887.c
|
/* Copyright (c) 2017, Piotr Durlej
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
lldiv_t lldiv(long long num, long long den)
{
lldiv_t r;
r.quot = num / den;
r.rem = num % den;
return r;
}
|
the_stack_data/23574037.c
|
void _Exit() {} ;
void _IO_feof() {} ;
void _IO_getc() {} ;
void _IO_putc() {} ;
void _IO_puts() {} ;
void __assert_fail() {} ;
void __ctype_b_loc() {} ;
void __ctype_get_mb_cur_max() {} ;
void __ctype_tolower_loc() {} ;
void __ctype_toupper_loc() {} ;
void __cxa_atexit() {} ;
void __cxa_finalize() {} ;
void __errno_location() {} ;
void __fpending() {} ;
void __fxstat() {} ;
void __fxstat64() {} ;
void __getpagesize() {} ;
void __getpgid() {} ;
void __h_errno_location() {} ;
void __isinf() {} ;
void __isinff() {} ;
void __isinfl() {} ;
void __isnan() {} ;
void __isnanf() {} ;
void __isnanl() {} ;
void __libc_current_sigrtmax() {} ;
void __libc_current_sigrtmin() {} ;
void __libc_start_main() {} ;
void __lxstat() {} ;
void __lxstat64() {} ;
void __mempcpy() {} ;
void __rawmemchr() {} ;
void __register_atfork() {} ;
void __sigsetjmp() {} ;
void __stpcpy() {} ;
void __strdup() {} ;
void __strtod_internal() {} ;
void __strtof_internal() {} ;
void __strtok_r() {} ;
void __strtol_internal() {} ;
void __strtold_internal() {} ;
void __strtoll_internal() {} ;
void __strtoul_internal() {} ;
void __strtoull_internal() {} ;
void __sysconf() {} ;
void __sysv_signal() {} ;
void __wcstod_internal() {} ;
void __wcstof_internal() {} ;
void __wcstol_internal() {} ;
void __wcstold_internal() {} ;
void __wcstoul_internal() {} ;
void __xmknod() {} ;
void __xstat() {} ;
void __xstat64() {} ;
void _exit() {} ;
void _longjmp() {} ;
void _setjmp() {} ;
void _tolower() {} ;
void _toupper() {} ;
void a64l() {} ;
void abort() {} ;
void abs() {} ;
void accept() {} ;
void access() {} ;
void acct() {} ;
void adjtime() {} ;
void alarm() {} ;
void asctime() {} ;
void asctime_r() {} ;
void asprintf() {} ;
void atof() {} ;
void atoi() {} ;
void atol() {} ;
void atoll() {} ;
void authnone_create() {} ;
void basename() {} ;
void bcmp() {} ;
void bcopy() {} ;
void bind() {} ;
void bind_textdomain_codeset() {} ;
void bindresvport() {} ;
void bindtextdomain() {} ;
void brk() {} ;
void bsd_signal() {} ;
void bsearch() {} ;
void btowc() {} ;
void bzero() {} ;
void calloc() {} ;
void catclose() {} ;
void catgets() {} ;
void catopen() {} ;
void cfgetispeed() {} ;
void cfgetospeed() {} ;
void cfmakeraw() {} ;
void cfsetispeed() {} ;
void cfsetospeed() {} ;
void cfsetspeed() {} ;
void chdir() {} ;
void chmod() {} ;
void chown() {} ;
void chroot() {} ;
void clearerr() {} ;
void clnt_create() {} ;
void clnt_pcreateerror() {} ;
void clnt_perrno() {} ;
void clnt_perror() {} ;
void clnt_spcreateerror() {} ;
void clnt_sperrno() {} ;
void clnt_sperror() {} ;
void clock() {} ;
void close() {} ;
void closedir() {} ;
void closelog() {} ;
void confstr() {} ;
void connect() {} ;
void creat() {} ;
void creat64() {} ;
void ctermid() {} ;
void ctime() {} ;
void ctime_r() {} ;
void cuserid() {} ;
void daemon() {} ;
void dcgettext() {} ;
void dcngettext() {} ;
void dgettext() {} ;
void difftime() {} ;
void dirname() {} ;
void div() {} ;
void dngettext() {} ;
void drand48() {} ;
void dup() {} ;
void dup2() {} ;
void duplocale() {} ;
void ecvt() {} ;
void endgrent() {} ;
void endprotoent() {} ;
void endpwent() {} ;
void endservent() {} ;
void endutent() {} ;
void endutxent() {} ;
void erand48() {} ;
void err() {} ;
void error() {} ;
void errx() {} ;
void execl() {} ;
void execle() {} ;
void execlp() {} ;
void execv() {} ;
void execve() {} ;
void execvp() {} ;
void exit() {} ;
void fchdir() {} ;
void fchmod() {} ;
void fchown() {} ;
void fclose() {} ;
void fcntl() {} ;
void fcvt() {} ;
void fdatasync() {} ;
void fdopen() {} ;
void feof() {} ;
void ferror() {} ;
void fflush() {} ;
void fflush_unlocked() {} ;
void ffs() {} ;
void fgetc() {} ;
void fgetpos() {} ;
void fgetpos64() {} ;
void fgets() {} ;
void fgetwc() {} ;
void fgetwc_unlocked() {} ;
void fgetws() {} ;
void fileno() {} ;
void flock() {} ;
void flockfile() {} ;
void fmtmsg() {} ;
void fnmatch() {} ;
void fopen() {} ;
void fopen64() {} ;
void fork() {} ;
void fpathconf() {} ;
void fprintf() {} ;
void fputc() {} ;
void fputs() {} ;
void fputwc() {} ;
void fputws() {} ;
void fread() {} ;
void free() {} ;
void freeaddrinfo() {} ;
void freelocale() {} ;
void freopen() {} ;
void freopen64() {} ;
void fscanf() {} ;
void fseek() {} ;
void fseeko() {} ;
void fseeko64() {} ;
void fsetpos() {} ;
void fsetpos64() {} ;
void fstatfs() {} ;
void fstatfs64() {} ;
void fstatvfs() {} ;
void fstatvfs64() {} ;
void fsync() {} ;
void ftell() {} ;
void ftello() {} ;
void ftello64() {} ;
void ftime() {} ;
void ftok() {} ;
void ftruncate() {} ;
void ftruncate64() {} ;
void ftrylockfile() {} ;
void ftw() {} ;
void ftw64() {} ;
void funlockfile() {} ;
void fwide() {} ;
void fwprintf() {} ;
void fwrite() {} ;
void fwscanf() {} ;
void gai_strerror() {} ;
void gcvt() {} ;
void getaddrinfo() {} ;
void getc() {} ;
void getc_unlocked() {} ;
void getchar() {} ;
void getchar_unlocked() {} ;
void getcontext() {} ;
void getcwd() {} ;
void getdate() {} ;
void getegid() {} ;
void getenv() {} ;
void geteuid() {} ;
void getgid() {} ;
void getgrent() {} ;
void getgrgid() {} ;
void getgrgid_r() {} ;
void getgrnam() {} ;
void getgrnam_r() {} ;
void getgrouplist() {} ;
void getgroups() {} ;
void gethostbyaddr() {} ;
void gethostbyname() {} ;
void gethostid() {} ;
void gethostname() {} ;
void getitimer() {} ;
void getloadavg() {} ;
void getlogin() {} ;
void getlogin_r() {} ;
void getnameinfo() {} ;
void getopt() {} ;
void getopt_long() {} ;
void getopt_long_only() {} ;
void getpagesize() {} ;
void getpeername() {} ;
void getpgid() {} ;
void getpgrp() {} ;
void getpid() {} ;
void getppid() {} ;
void getpriority() {} ;
void getprotobyname() {} ;
void getprotobynumber() {} ;
void getprotoent() {} ;
void getpwent() {} ;
void getpwnam() {} ;
void getpwnam_r() {} ;
void getpwuid() {} ;
void getpwuid_r() {} ;
void getrlimit() {} ;
void getrlimit64() {} ;
void getrusage() {} ;
void getservbyname() {} ;
void getservbyport() {} ;
void getservent() {} ;
void getsid() {} ;
void getsockname() {} ;
void getsockopt() {} ;
void getsubopt() {} ;
void gettext() {} ;
void gettimeofday() {} ;
void getuid() {} ;
void getutent() {} ;
void getutent_r() {} ;
void getutxent() {} ;
void getutxid() {} ;
void getutxline() {} ;
void getw() {} ;
void getwc() {} ;
void getwchar() {} ;
void getwd() {} ;
void glob() {} ;
void glob64() {} ;
void globfree() {} ;
void globfree64() {} ;
void gmtime() {} ;
void gmtime_r() {} ;
void grantpt() {} ;
void hcreate() {} ;
void hdestroy() {} ;
void hsearch() {} ;
void htonl() {} ;
void htons() {} ;
void iconv() {} ;
void iconv_close() {} ;
void iconv_open() {} ;
void if_freenameindex() {} ;
void if_indextoname() {} ;
void if_nameindex() {} ;
void if_nametoindex() {} ;
void imaxabs() {} ;
void imaxdiv() {} ;
void index() {} ;
void inet_addr() {} ;
void inet_ntoa() {} ;
void inet_ntop() {} ;
void inet_pton() {} ;
void initgroups() {} ;
void initstate() {} ;
void insque() {} ;
void ioctl() {} ;
void isalnum() {} ;
void isalpha() {} ;
void isascii() {} ;
void isatty() {} ;
void isblank() {} ;
void iscntrl() {} ;
void isdigit() {} ;
void isgraph() {} ;
void islower() {} ;
void isprint() {} ;
void ispunct() {} ;
void isspace() {} ;
void isupper() {} ;
void iswalnum() {} ;
void iswalpha() {} ;
void iswblank() {} ;
void iswcntrl() {} ;
void iswctype() {} ;
void iswdigit() {} ;
void iswgraph() {} ;
void iswlower() {} ;
void iswprint() {} ;
void iswpunct() {} ;
void iswspace() {} ;
void iswupper() {} ;
void iswxdigit() {} ;
void isxdigit() {} ;
void jrand48() {} ;
void key_decryptsession() {} ;
void kill() {} ;
void killpg() {} ;
void l64a() {} ;
void labs() {} ;
void lchown() {} ;
void lcong48() {} ;
void ldiv() {} ;
void lfind() {} ;
void link() {} ;
void listen() {} ;
void llabs() {} ;
void lldiv() {} ;
void localeconv() {} ;
void localtime() {} ;
void localtime_r() {} ;
void lockf() {} ;
void lockf64() {} ;
void longjmp() {} ;
void lrand48() {} ;
void lsearch() {} ;
void lseek() {} ;
void makecontext() {} ;
void malloc() {} ;
void mblen() {} ;
void mbrlen() {} ;
void mbrtowc() {} ;
void mbsinit() {} ;
void mbsnrtowcs() {} ;
void mbsrtowcs() {} ;
void mbstowcs() {} ;
void mbtowc() {} ;
void memccpy() {} ;
void memchr() {} ;
void memcmp() {} ;
void memcpy() {} ;
void memmem() {} ;
void memmove() {} ;
void memrchr() {} ;
void memset() {} ;
void mkdir() {} ;
void mkfifo() {} ;
void mkstemp() {} ;
void mkstemp64() {} ;
void mktemp() {} ;
void mktime() {} ;
void mlock() {} ;
void mlockall() {} ;
void mmap() {} ;
void mmap64() {} ;
void mprotect() {} ;
void mrand48() {} ;
void msgctl() {} ;
void msgget() {} ;
void msgrcv() {} ;
void msgsnd() {} ;
void msync() {} ;
void munlock() {} ;
void munlockall() {} ;
void munmap() {} ;
void nanosleep() {} ;
void newlocale() {} ;
void nftw() {} ;
void nftw64() {} ;
void ngettext() {} ;
void nice() {} ;
void nl_langinfo() {} ;
void nrand48() {} ;
void ntohl() {} ;
void ntohs() {} ;
void open() {} ;
void opendir() {} ;
void openlog() {} ;
void pathconf() {} ;
void pause() {} ;
void pclose() {} ;
void perror() {} ;
void pipe() {} ;
void pmap_getport() {} ;
void pmap_set() {} ;
void pmap_unset() {} ;
void poll() {} ;
void popen() {} ;
void posix_memalign() {} ;
void posix_openpt() {} ;
void printf() {} ;
void psignal() {} ;
void ptsname() {} ;
void putc() {} ;
void putc_unlocked() {} ;
void putchar() {} ;
void putchar_unlocked() {} ;
void putenv() {} ;
void puts() {} ;
void pututxline() {} ;
void putw() {} ;
void putwc() {} ;
void putwchar() {} ;
void qsort() {} ;
void raise() {} ;
void rand() {} ;
void rand_r() {} ;
void random() {} ;
void read() {} ;
void readdir() {} ;
void readdir64() {} ;
void readdir_r() {} ;
void readlink() {} ;
void readv() {} ;
void realloc() {} ;
void realpath() {} ;
void recv() {} ;
void recvfrom() {} ;
void recvmsg() {} ;
void regcomp() {} ;
void regerror() {} ;
void regexec() {} ;
void regfree() {} ;
void remove() {} ;
void remque() {} ;
void rename() {} ;
void rewind() {} ;
void rewinddir() {} ;
void rindex() {} ;
void rmdir() {} ;
void sbrk() {} ;
void scanf() {} ;
void sched_get_priority_max() {} ;
void sched_get_priority_min() {} ;
void sched_getparam() {} ;
void sched_getscheduler() {} ;
void sched_rr_get_interval() {} ;
void sched_setparam() {} ;
void sched_setscheduler() {} ;
void sched_yield() {} ;
void seed48() {} ;
void seekdir() {} ;
void select() {} ;
void semctl() {} ;
void semget() {} ;
void semop() {} ;
void send() {} ;
void sendmsg() {} ;
void sendto() {} ;
void setbuf() {} ;
void setbuffer() {} ;
void setcontext() {} ;
void setegid() {} ;
void setenv() {} ;
void seteuid() {} ;
void setgid() {} ;
void setgrent() {} ;
void setgroups() {} ;
void sethostname() {} ;
void setitimer() {} ;
void setlocale() {} ;
void setlogmask() {} ;
void setpgid() {} ;
void setpgrp() {} ;
void setpriority() {} ;
void setprotoent() {} ;
void setpwent() {} ;
void setregid() {} ;
void setreuid() {} ;
void setrlimit() {} ;
void setrlimit64() {} ;
void setservent() {} ;
void setsid() {} ;
void setsockopt() {} ;
void setstate() {} ;
void setuid() {} ;
void setutent() {} ;
void setutxent() {} ;
void setvbuf() {} ;
void shmat() {} ;
void shmctl() {} ;
void shmdt() {} ;
void shmget() {} ;
void shutdown() {} ;
void sigaction() {} ;
void sigaddset() {} ;
void sigaltstack() {} ;
void sigandset() {} ;
void sigdelset() {} ;
void sigemptyset() {} ;
void sigfillset() {} ;
void sighold() {} ;
void sigignore() {} ;
void siginterrupt() {} ;
void sigisemptyset() {} ;
void sigismember() {} ;
void siglongjmp() {} ;
void signal() {} ;
void sigorset() {} ;
void sigpause() {} ;
void sigpending() {} ;
void sigprocmask() {} ;
void sigqueue() {} ;
void sigrelse() {} ;
void sigreturn() {} ;
void sigset() {} ;
void sigsuspend() {} ;
void sigtimedwait() {} ;
void sigwait() {} ;
void sigwaitinfo() {} ;
void sleep() {} ;
void snprintf() {} ;
void sockatmark() {} ;
void socket() {} ;
void socketpair() {} ;
void sprintf() {} ;
void srand() {} ;
void srand48() {} ;
void srandom() {} ;
void sscanf() {} ;
void statfs() {} ;
void statfs64() {} ;
void statvfs() {} ;
void statvfs64() {} ;
void stime() {} ;
void stpcpy() {} ;
void stpncpy() {} ;
void strcasecmp() {} ;
void strcasestr() {} ;
void strcat() {} ;
void strchr() {} ;
void strcmp() {} ;
void strcoll() {} ;
void strcpy() {} ;
void strcspn() {} ;
void strdup() {} ;
void strerror() {} ;
void strerror_r() {} ;
void strfmon() {} ;
void strftime() {} ;
void strlen() {} ;
void strncasecmp() {} ;
void strncat() {} ;
void strncmp() {} ;
void strncpy() {} ;
void strndup() {} ;
void strnlen() {} ;
void strpbrk() {} ;
void strptime() {} ;
void strrchr() {} ;
void strsep() {} ;
void strsignal() {} ;
void strspn() {} ;
void strstr() {} ;
void strtod() {} ;
void strtof() {} ;
void strtoimax() {} ;
void strtok() {} ;
void strtok_r() {} ;
void strtol() {} ;
void strtold() {} ;
void strtoll() {} ;
void strtoq() {} ;
void strtoul() {} ;
void strtoull() {} ;
void strtoumax() {} ;
void strtouq() {} ;
void strxfrm() {} ;
void svc_getreqset() {} ;
void svc_register() {} ;
void svc_run() {} ;
void svc_sendreply() {} ;
void svcerr_auth() {} ;
void svcerr_decode() {} ;
void svcerr_noproc() {} ;
void svcerr_noprog() {} ;
void svcerr_progvers() {} ;
void svcerr_systemerr() {} ;
void svcerr_weakauth() {} ;
void svctcp_create() {} ;
void svcudp_create() {} ;
void swab() {} ;
void swapcontext() {} ;
void swprintf() {} ;
void swscanf() {} ;
void symlink() {} ;
void sync() {} ;
void sysconf() {} ;
void syslog() {} ;
void system() {} ;
void tcdrain() {} ;
void tcflow() {} ;
void tcflush() {} ;
void tcgetattr() {} ;
void tcgetpgrp() {} ;
void tcgetsid() {} ;
void tcsendbreak() {} ;
void tcsetattr() {} ;
void tcsetpgrp() {} ;
void tdelete() {} ;
void telldir() {} ;
void tempnam() {} ;
void textdomain() {} ;
void tfind() {} ;
void time() {} ;
void times() {} ;
void tmpfile() {} ;
void tmpfile64() {} ;
void tmpnam() {} ;
void toascii() {} ;
void tolower() {} ;
void toupper() {} ;
void towctrans() {} ;
void towlower() {} ;
void towupper() {} ;
void truncate() {} ;
void truncate64() {} ;
void tsearch() {} ;
void ttyname() {} ;
void ttyname_r() {} ;
void twalk() {} ;
void tzset() {} ;
void ualarm() {} ;
void ulimit() {} ;
void umask() {} ;
void uname() {} ;
void ungetc() {} ;
void ungetwc() {} ;
void unlink() {} ;
void unlockpt() {} ;
void unsetenv() {} ;
void uselocale() {} ;
void usleep() {} ;
void utime() {} ;
void utimes() {} ;
void utmpname() {} ;
void vasprintf() {} ;
void vdprintf() {} ;
void verrx() {} ;
void vfork() {} ;
void vfprintf() {} ;
void vfscanf() {} ;
void vfwprintf() {} ;
void vfwscanf() {} ;
void vprintf() {} ;
void vscanf() {} ;
void vsnprintf() {} ;
void vsprintf() {} ;
void vsscanf() {} ;
void vswprintf() {} ;
void vswscanf() {} ;
void vsyslog() {} ;
void vwprintf() {} ;
void vwscanf() {} ;
void wait() {} ;
void wait4() {} ;
void waitpid() {} ;
void warn() {} ;
void warnx() {} ;
void wcpcpy() {} ;
void wcpncpy() {} ;
void wcrtomb() {} ;
void wcscasecmp() {} ;
void wcscat() {} ;
void wcschr() {} ;
void wcscmp() {} ;
void wcscoll() {} ;
void wcscpy() {} ;
void wcscspn() {} ;
void wcsdup() {} ;
void wcsftime() {} ;
void wcslen() {} ;
void wcsncasecmp() {} ;
void wcsncat() {} ;
void wcsncmp() {} ;
void wcsncpy() {} ;
void wcsnlen() {} ;
void wcsnrtombs() {} ;
void wcspbrk() {} ;
void wcsrchr() {} ;
void wcsrtombs() {} ;
void wcsspn() {} ;
void wcsstr() {} ;
void wcstod() {} ;
void wcstof() {} ;
void wcstoimax() {} ;
void wcstok() {} ;
void wcstol() {} ;
void wcstold() {} ;
void wcstoll() {} ;
void wcstombs() {} ;
void wcstoq() {} ;
void wcstoul() {} ;
void wcstoull() {} ;
void wcstoumax() {} ;
void wcstouq() {} ;
void wcswcs() {} ;
void wcswidth() {} ;
void wcsxfrm() {} ;
void wctob() {} ;
void wctomb() {} ;
void wctrans() {} ;
void wctype() {} ;
void wcwidth() {} ;
void wmemchr() {} ;
void wmemcmp() {} ;
void wmemcpy() {} ;
void wmemmove() {} ;
void wmemset() {} ;
void wordexp() {} ;
void wordfree() {} ;
void wprintf() {} ;
void write() {} ;
void writev() {} ;
void wscanf() {} ;
void xdr_accepted_reply() {} ;
void xdr_array() {} ;
void xdr_bool() {} ;
void xdr_bytes() {} ;
void xdr_callhdr() {} ;
void xdr_callmsg() {} ;
void xdr_char() {} ;
void xdr_double() {} ;
void xdr_enum() {} ;
void xdr_float() {} ;
void xdr_free() {} ;
void xdr_int() {} ;
void xdr_long() {} ;
void xdr_opaque() {} ;
void xdr_opaque_auth() {} ;
void xdr_pointer() {} ;
void xdr_reference() {} ;
void xdr_rejected_reply() {} ;
void xdr_replymsg() {} ;
void xdr_short() {} ;
void xdr_string() {} ;
void xdr_u_char() {} ;
void xdr_u_int() {} ;
void xdr_u_long() {} ;
void xdr_u_short() {} ;
void xdr_union() {} ;
void xdr_vector() {} ;
void xdr_void() {} ;
void xdr_wrapstring() {} ;
void xdrmem_create() {} ;
void xdrrec_create() {} ;
void xdrrec_eof() {} ;
__asm__(".globl __daylight; .pushsection .data; .type __daylight,@object; .size __daylight, 4; __daylight: .long 0; .popsection");
__asm__(".globl __environ; .pushsection .data; .type __environ,@object; .size __environ, 8; __environ: .long 0; .popsection");
__asm__(".globl __timezone; .pushsection .data; .type __timezone,@object; .size __timezone, 8; __timezone: .long 0; .popsection");
__asm__(".globl __tzname; .pushsection .data; .type __tzname,@object; .size __tzname, 16; __tzname: .long 0; .popsection");
__asm__(".weak _environ; _environ = __environ");
__asm__(".comm _nl_msg_cat_cntr,4");
__asm__(".globl _sys_errlist; .pushsection .data; .type _sys_errlist,@object; .size _sys_errlist, 1008; _sys_errlist: .long 0; .popsection");
__asm__(".comm _sys_siglist,64");
__asm__(".weak daylight; daylight = __daylight");
__asm__(".weak environ; environ = __environ");
__asm__(".comm getdate_err,4");
__asm__(".comm optarg,8");
__asm__(".comm opterr,4");
__asm__(".comm optind,4");
__asm__(".comm optopt,4");
__asm__(".comm stderr,8");
__asm__(".comm stdin,8");
__asm__(".comm stdout,8");
__asm__(".weak timezone; timezone = __timezone");
__asm__(".weak tzname; tzname = __tzname");
extern const int _IO_stdin_used;
__asm__(".weak _IO_stdin_used;.weak _LSB_IO_stdin_used; _LSB_IO_stdin_used=_IO_stdin_used ");
|
the_stack_data/212642298.c
|
#include <string.h>
#define BITOP(a,b,op) \
((a)[(size_t)(b)/(8*sizeof *(a))] op (size_t)1<<((size_t)(b)%(8*sizeof *(a))))
char *__strchrnul(const char *, int);
size_t strcspn(const char *s, const char *c)
{
const char *a = s;
size_t byteset[32/sizeof(size_t)];
if (!c[0] || !c[1]) return __strchrnul(s, *c)-a;
memset(byteset, 0, sizeof byteset);
for (; *c && BITOP(byteset, *(unsigned char *)c, |=); c++);
for (; *s && !BITOP(byteset, *(unsigned char *)s, &); s++);
return s-a;
}
|
the_stack_data/357498.c
|
/* Copyright (C) 1991, 92, 93, 96, 97, 98, 99 Free Software Foundation, Inc.
This file is part of the GNU C Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#if HAVE_CONFIG_H
# include <config.h>
#endif
/* Enable GNU extensions in fnmatch.h. */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif
#include <errno.h>
#include <fnmatch.h>
#include <ctype.h>
#if HAVE_STRING_H || defined _LIBC
# include <string.h>
#else
# include <strings.h>
#endif
#if defined STDC_HEADERS || defined _LIBC
# include <stdlib.h>
#endif
/* For platforms which support the ISO C amendment 1 functionality we
support user defined character classes. */
#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
# include <wchar.h>
# include <wctype.h>
#endif
/* Comment out all this code if we are using the GNU C Library, and are not
actually compiling the library itself. This code is part of the GNU C
Library, but also included in many other GNU distributions. Compiling
and linking in this code is a waste when using the GNU C library
(especially if it is a shared library). Rather than having every GNU
program understand `configure --with-gnu-libc' and omit the object files,
it is simpler to just do this in the source for each such file. */
#if defined _LIBC || !defined __GNU_LIBRARY__
# if defined STDC_HEADERS || !defined isascii
# define ISASCII(c) 1
# else
# define ISASCII(c) isascii(c)
# endif
# ifdef isblank
# define ISBLANK(c) (ISASCII (c) && isblank (c))
# else
# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
# endif
# ifdef isgraph
# define ISGRAPH(c) (ISASCII (c) && isgraph (c))
# else
# define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
# endif
# define ISPRINT(c) (ISASCII (c) && isprint (c))
# define ISDIGIT(c) (ISASCII (c) && isdigit (c))
# define ISALNUM(c) (ISASCII (c) && isalnum (c))
# define ISALPHA(c) (ISASCII (c) && isalpha (c))
# define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
# define ISLOWER(c) (ISASCII (c) && islower (c))
# define ISPUNCT(c) (ISASCII (c) && ispunct (c))
# define ISSPACE(c) (ISASCII (c) && isspace (c))
# define ISUPPER(c) (ISASCII (c) && isupper (c))
# define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
# define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
/* The GNU C library provides support for user-defined character classes
and the functions from ISO C amendment 1. */
# ifdef CHARCLASS_NAME_MAX
# define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
# else
/* This shouldn't happen but some implementation might still have this
problem. Use a reasonable default value. */
# define CHAR_CLASS_MAX_LENGTH 256
# endif
# ifdef _LIBC
# define IS_CHAR_CLASS(string) __wctype (string)
# else
# define IS_CHAR_CLASS(string) wctype (string)
# endif
# else
# define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
# define IS_CHAR_CLASS(string) \
(STREQ (string, "alpha") || STREQ (string, "upper") \
|| STREQ (string, "lower") || STREQ (string, "digit") \
|| STREQ (string, "alnum") || STREQ (string, "xdigit") \
|| STREQ (string, "space") || STREQ (string, "print") \
|| STREQ (string, "punct") || STREQ (string, "graph") \
|| STREQ (string, "cntrl") || STREQ (string, "blank"))
# endif
/* Avoid depending on library functions or files
whose names are inconsistent. */
# if !defined _LIBC && !defined getenv
extern char *getenv ();
# endif
# ifndef errno
extern int errno;
# endif
# ifndef NULL
# define NULL 0
# endif
/* This function doesn't exist on most systems. */
# if !defined HAVE___STRCHRNUL && !defined _LIBC
static char *
__strchrnul (s, c)
const char *s;
int c;
{
char *result = strchr (s, c);
if (result == NULL)
result = strchr (s, '\0');
return result;
}
# endif
# ifndef internal_function
/* Inside GNU libc we mark some function in a special way. In other
environments simply ignore the marking. */
# define internal_function
# endif
/* Match STRING against the filename pattern PATTERN, returning zero if
it matches, nonzero if not. */
static int internal_fnmatch __P ((const char *pattern, const char *string,
int no_leading_period, int flags))
internal_function;
static int
internal_function
internal_fnmatch (pattern, string, no_leading_period, flags)
const char *pattern;
const char *string;
int no_leading_period;
int flags;
{
register const char *p = pattern, *n = string;
register unsigned char c;
/* Note that this evaluates C many times. */
# ifdef _LIBC
# define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
# else
# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
# endif
while ((c = *p++) != '\0')
{
c = FOLD (c);
switch (c)
{
case '?':
if (*n == '\0')
return FNM_NOMATCH;
else if (*n == '/' && (flags & FNM_FILE_NAME))
return FNM_NOMATCH;
else if (*n == '.' && no_leading_period
&& (n == string
|| (n[-1] == '/' && (flags & FNM_FILE_NAME))))
return FNM_NOMATCH;
break;
case '\\':
if (!(flags & FNM_NOESCAPE))
{
c = *p++;
if (c == '\0')
/* Trailing \ loses. */
return FNM_NOMATCH;
c = FOLD (c);
}
if (FOLD ((unsigned char) *n) != c)
return FNM_NOMATCH;
break;
case '*':
if (*n == '.' && no_leading_period
&& (n == string
|| (n[-1] == '/' && (flags & FNM_FILE_NAME))))
return FNM_NOMATCH;
for (c = *p++; c == '?' || c == '*'; c = *p++)
{
if (*n == '/' && (flags & FNM_FILE_NAME))
/* A slash does not match a wildcard under FNM_FILE_NAME. */
return FNM_NOMATCH;
else if (c == '?')
{
/* A ? needs to match one character. */
if (*n == '\0')
/* There isn't another character; no match. */
return FNM_NOMATCH;
else
/* One character of the string is consumed in matching
this ? wildcard, so *??? won't match if there are
less than three characters. */
++n;
}
}
if (c == '\0')
/* The wildcard(s) is/are the last element of the pattern.
If the name is a file name and contains another slash
this does mean it cannot match. */
return ((flags & FNM_FILE_NAME) && strchr (n, '/') != NULL
? FNM_NOMATCH : 0);
else
{
const char *endp;
endp = __strchrnul (n, (flags & FNM_FILE_NAME) ? '/' : '\0');
if (c == '[')
{
int flags2 = ((flags & FNM_FILE_NAME)
? flags : (flags & ~FNM_PERIOD));
for (--p; n < endp; ++n)
if (internal_fnmatch (p, n,
(no_leading_period
&& (n == string
|| (n[-1] == '/'
&& (flags
& FNM_FILE_NAME)))),
flags2)
== 0)
return 0;
}
else if (c == '/' && (flags & FNM_FILE_NAME))
{
while (*n != '\0' && *n != '/')
++n;
if (*n == '/'
&& (internal_fnmatch (p, n + 1, flags & FNM_PERIOD,
flags) == 0))
return 0;
}
else
{
int flags2 = ((flags & FNM_FILE_NAME)
? flags : (flags & ~FNM_PERIOD));
if (c == '\\' && !(flags & FNM_NOESCAPE))
c = *p;
c = FOLD (c);
for (--p; n < endp; ++n)
if (FOLD ((unsigned char) *n) == c
&& (internal_fnmatch (p, n,
(no_leading_period
&& (n == string
|| (n[-1] == '/'
&& (flags
& FNM_FILE_NAME)))),
flags2) == 0))
return 0;
}
}
/* If we come here no match is possible with the wildcard. */
return FNM_NOMATCH;
case '[':
{
/* Nonzero if the sense of the character class is inverted. */
static int posixly_correct;
register int not;
char cold;
if (posixly_correct == 0)
posixly_correct = getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1;
if (*n == '\0')
return FNM_NOMATCH;
if (*n == '.' && no_leading_period && (n == string
|| (n[-1] == '/'
&& (flags
& FNM_FILE_NAME))))
return FNM_NOMATCH;
if (*n == '/' && (flags & FNM_FILE_NAME))
/* `/' cannot be matched. */
return FNM_NOMATCH;
not = (*p == '!' || (posixly_correct < 0 && *p == '^'));
if (not)
++p;
c = *p++;
for (;;)
{
unsigned char fn = FOLD ((unsigned char) *n);
if (!(flags & FNM_NOESCAPE) && c == '\\')
{
if (*p == '\0')
return FNM_NOMATCH;
c = FOLD ((unsigned char) *p);
++p;
if (c == fn)
goto matched;
}
else if (c == '[' && *p == ':')
{
/* Leave room for the null. */
char str[CHAR_CLASS_MAX_LENGTH + 1];
size_t c1 = 0;
# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
wctype_t wt;
# endif
const char *startp = p;
for (;;)
{
if (c1 > CHAR_CLASS_MAX_LENGTH)
/* The name is too long and therefore the pattern
is ill-formed. */
return FNM_NOMATCH;
c = *++p;
if (c == ':' && p[1] == ']')
{
p += 2;
break;
}
if (c < 'a' || c >= 'z')
{
/* This cannot possibly be a character class name.
Match it as a normal range. */
p = startp;
c = '[';
goto normal_bracket;
}
str[c1++] = c;
}
str[c1] = '\0';
# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
wt = IS_CHAR_CLASS (str);
if (wt == 0)
/* Invalid character class name. */
return FNM_NOMATCH;
if (__iswctype (__btowc ((unsigned char) *n), wt))
goto matched;
# else
if ((STREQ (str, "alnum") && ISALNUM ((unsigned char) *n))
|| (STREQ (str, "alpha") && ISALPHA ((unsigned char) *n))
|| (STREQ (str, "blank") && ISBLANK ((unsigned char) *n))
|| (STREQ (str, "cntrl") && ISCNTRL ((unsigned char) *n))
|| (STREQ (str, "digit") && ISDIGIT ((unsigned char) *n))
|| (STREQ (str, "graph") && ISGRAPH ((unsigned char) *n))
|| (STREQ (str, "lower") && ISLOWER ((unsigned char) *n))
|| (STREQ (str, "print") && ISPRINT ((unsigned char) *n))
|| (STREQ (str, "punct") && ISPUNCT ((unsigned char) *n))
|| (STREQ (str, "space") && ISSPACE ((unsigned char) *n))
|| (STREQ (str, "upper") && ISUPPER ((unsigned char) *n))
|| (STREQ (str, "xdigit") && ISXDIGIT ((unsigned char) *n)))
goto matched;
# endif
}
else if (c == '\0')
/* [ (unterminated) loses. */
return FNM_NOMATCH;
else
{
normal_bracket:
if (FOLD (c) == fn)
goto matched;
cold = c;
c = *p++;
if (c == '-' && *p != ']')
{
/* It is a range. */
unsigned char cend = *p++;
if (!(flags & FNM_NOESCAPE) && cend == '\\')
cend = *p++;
if (cend == '\0')
return FNM_NOMATCH;
if (cold <= fn && fn <= FOLD (cend))
goto matched;
c = *p++;
}
}
if (c == ']')
break;
}
if (!not)
return FNM_NOMATCH;
break;
matched:
/* Skip the rest of the [...] that already matched. */
while (c != ']')
{
if (c == '\0')
/* [... (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
if (!(flags & FNM_NOESCAPE) && c == '\\')
{
if (*p == '\0')
return FNM_NOMATCH;
/* XXX 1003.2d11 is unclear if this is right. */
++p;
}
else if (c == '[' && *p == ':')
{
do
if (*++p == '\0')
return FNM_NOMATCH;
while (*p != ':' || p[1] == ']');
p += 2;
c = *p;
}
}
if (not)
return FNM_NOMATCH;
}
break;
default:
if (c != FOLD ((unsigned char) *n))
return FNM_NOMATCH;
}
++n;
}
if (*n == '\0')
return 0;
if ((flags & FNM_LEADING_DIR) && *n == '/')
/* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
return 0;
return FNM_NOMATCH;
# undef FOLD
}
int
fnmatch (pattern, string, flags)
const char *pattern;
const char *string;
int flags;
{
return internal_fnmatch (pattern, string, flags & FNM_PERIOD, flags);
}
#endif /* _LIBC or not __GNU_LIBRARY__. */
|
the_stack_data/212643110.c
|
#include <sys/syscall.h>
#include <unistd.h>
int unlink(const char *path) {
int err;
SYSCALL1(err, SYS_unlink, path);
return err;
}
|
the_stack_data/150143117.c
|
/*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*/
union u {
double d;
int i[2];
};
/*
* macros for accessing the endian-dependent halves of a 64-bit typeless
* quantity when stored in a union of a double and an int[2] array):
* _MSH -- most significant half ([1] - little endian, [0] - big endian)
* _LSH -- least significant half ([0] - little endian, [1] - big endian)
*/
#undef _MSH
#undef _LSH
#define _MSH(uu) uu.i[1]
#define _LSH(uu) uu.i[0]
double
ftn_i_not64(double op1)
{
union u u1;
u1.d = op1;
u1.i[0] = ~u1.i[0];
u1.i[1] = ~u1.i[1];
return u1.d;
}
double
ftn_i_and64(double op1, double op2)
{
union u u1;
union u u2;
u1.d = op1;
u2.d = op2;
u1.i[0] &= u2.i[0];
u1.i[1] &= u2.i[1];
return u1.d;
}
double
ftn_i_or64(double op1, double op2)
{
union u u1;
union u u2;
u1.d = op1;
u2.d = op2;
u1.i[0] |= u2.i[0];
u1.i[1] |= u2.i[1];
return u1.d;
}
double
ftn_i_xor64(double op1, double op2)
{
union u u1;
union u u2;
u1.d = op1;
u2.d = op2;
u1.i[0] ^= u2.i[0];
u1.i[1] ^= u2.i[1];
return u1.d;
}
double
ftn_i_xnor64(double op1, double op2)
{
union u u1;
union u u2;
u1.d = op1;
u2.d = op2;
u1.i[0] = ~(u1.i[0] ^ u2.i[0]);
u1.i[1] = ~(u1.i[1] ^ u2.i[1]);
return u1.d;
}
double
ftn_i_shift64(double op1, int cnt)
{
/*
logical shift:
cnt < 0 ==> shift op1 left by |cnt|
cnt > 0 ==> shift op1 right by cnt
|cnt| >= 64 ==> result is 0
*/
union u u1;
union u u2;
u1.d = op1;
if (cnt >= 64 || cnt <= -64) {
u2.i[0] = u2.i[1] = 0;
} else if (cnt == 0) { /* 0 == cnt */
_MSH(u2) = _MSH(u1);
_LSH(u2) = _LSH(u1);
} else if (cnt >= 32) { /* 32 <= cnt <= 63 */
_MSH(u2) = _LSH(u1) << (cnt - 32);
_LSH(u2) = 0;
} else if (cnt > 0) { /* 0 < cnt <= 31 */
_MSH(u2) = _MSH(u1) << cnt;
_MSH(u2) |= (unsigned)_LSH(u1) >> (32 - cnt);
_LSH(u2) = _LSH(u1) << cnt;
} else if (cnt <= -32) { /* -63 <= cnt <= -32 */
_MSH(u2) = 0;
_LSH(u2) = (unsigned)_MSH(u1) >> ((-cnt) - 32);
} else /* if (cnt < 0) */ { /* -31 <= cnt < 0 */
int acnt = -cnt;
_MSH(u2) = (unsigned)_MSH(u1) >> acnt;
_LSH(u2) = (unsigned)_LSH(u1) >> acnt;
_LSH(u2) |= (unsigned)_MSH(u1) << (cnt + 32);
}
return u2.d;
}
int
ftn_i_dp2ir(double dp)
{
union u u1;
/*
result is first element of int[2] which is union u'd with dp if little
endian; if big endian, result is second element.
*/
u1.d = dp;
return _LSH(u1);
}
float
ftn_i_dp2sp(double dp)
{
union u u1;
int i;
u1.d = dp;
i = _LSH(u1);
return *(float *)&i;
}
double
ftn_i_ir2dp(int ir)
{
union u u1;
u1.d = 0.0;
_LSH(u1) = ir;
return u1.d;
}
double
ftn_i_sp2dp(float sp)
{
union u u1;
u1.d = 0.0;
_LSH(u1) = *(int *)&sp;
return u1.d;
}
|
the_stack_data/131204.c
|
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <complex.h>
#ifdef complex
#undef complex
#endif
#ifdef I
#undef I
#endif
#if defined(_WIN64)
typedef long long BLASLONG;
typedef unsigned long long BLASULONG;
#else
typedef long BLASLONG;
typedef unsigned long BLASULONG;
#endif
#ifdef LAPACK_ILP64
typedef BLASLONG blasint;
#if defined(_WIN64)
#define blasabs(x) llabs(x)
#else
#define blasabs(x) labs(x)
#endif
#else
typedef int blasint;
#define blasabs(x) abs(x)
#endif
typedef blasint integer;
typedef unsigned int uinteger;
typedef char *address;
typedef short int shortint;
typedef float real;
typedef double doublereal;
typedef struct { real r, i; } complex;
typedef struct { doublereal r, i; } doublecomplex;
#ifdef _MSC_VER
static inline _Fcomplex Cf(complex *z) {_Fcomplex zz={z->r , z->i}; return zz;}
static inline _Dcomplex Cd(doublecomplex *z) {_Dcomplex zz={z->r , z->i};return zz;}
static inline _Fcomplex * _pCf(complex *z) {return (_Fcomplex*)z;}
static inline _Dcomplex * _pCd(doublecomplex *z) {return (_Dcomplex*)z;}
#else
static inline _Complex float Cf(complex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex double Cd(doublecomplex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex float * _pCf(complex *z) {return (_Complex float*)z;}
static inline _Complex double * _pCd(doublecomplex *z) {return (_Complex double*)z;}
#endif
#define pCf(z) (*_pCf(z))
#define pCd(z) (*_pCd(z))
typedef int logical;
typedef short int shortlogical;
typedef char logical1;
typedef char integer1;
#define TRUE_ (1)
#define FALSE_ (0)
/* Extern is for use with -E */
#ifndef Extern
#define Extern extern
#endif
/* I/O stuff */
typedef int flag;
typedef int ftnlen;
typedef int ftnint;
/*external read, write*/
typedef struct
{ flag cierr;
ftnint ciunit;
flag ciend;
char *cifmt;
ftnint cirec;
} cilist;
/*internal read, write*/
typedef struct
{ flag icierr;
char *iciunit;
flag iciend;
char *icifmt;
ftnint icirlen;
ftnint icirnum;
} icilist;
/*open*/
typedef struct
{ flag oerr;
ftnint ounit;
char *ofnm;
ftnlen ofnmlen;
char *osta;
char *oacc;
char *ofm;
ftnint orl;
char *oblnk;
} olist;
/*close*/
typedef struct
{ flag cerr;
ftnint cunit;
char *csta;
} cllist;
/*rewind, backspace, endfile*/
typedef struct
{ flag aerr;
ftnint aunit;
} alist;
/* inquire */
typedef struct
{ flag inerr;
ftnint inunit;
char *infile;
ftnlen infilen;
ftnint *inex; /*parameters in standard's order*/
ftnint *inopen;
ftnint *innum;
ftnint *innamed;
char *inname;
ftnlen innamlen;
char *inacc;
ftnlen inacclen;
char *inseq;
ftnlen inseqlen;
char *indir;
ftnlen indirlen;
char *infmt;
ftnlen infmtlen;
char *inform;
ftnint informlen;
char *inunf;
ftnlen inunflen;
ftnint *inrecl;
ftnint *innrec;
char *inblank;
ftnlen inblanklen;
} inlist;
#define VOID void
union Multitype { /* for multiple entry points */
integer1 g;
shortint h;
integer i;
/* longint j; */
real r;
doublereal d;
complex c;
doublecomplex z;
};
typedef union Multitype Multitype;
struct Vardesc { /* for Namelist */
char *name;
char *addr;
ftnlen *dims;
int type;
};
typedef struct Vardesc Vardesc;
struct Namelist {
char *name;
Vardesc **vars;
int nvars;
};
typedef struct Namelist Namelist;
#define abs(x) ((x) >= 0 ? (x) : -(x))
#define dabs(x) (fabs(x))
#define f2cmin(a,b) ((a) <= (b) ? (a) : (b))
#define f2cmax(a,b) ((a) >= (b) ? (a) : (b))
#define dmin(a,b) (f2cmin(a,b))
#define dmax(a,b) (f2cmax(a,b))
#define bit_test(a,b) ((a) >> (b) & 1)
#define bit_clear(a,b) ((a) & ~((uinteger)1 << (b)))
#define bit_set(a,b) ((a) | ((uinteger)1 << (b)))
#define abort_() { sig_die("Fortran abort routine called", 1); }
#define c_abs(z) (cabsf(Cf(z)))
#define c_cos(R,Z) { pCf(R)=ccos(Cf(Z)); }
#ifdef _MSC_VER
#define c_div(c, a, b) {Cf(c)._Val[0] = (Cf(a)._Val[0]/Cf(b)._Val[0]); Cf(c)._Val[1]=(Cf(a)._Val[1]/Cf(b)._Val[1]);}
#define z_div(c, a, b) {Cd(c)._Val[0] = (Cd(a)._Val[0]/Cd(b)._Val[0]); Cd(c)._Val[1]=(Cd(a)._Val[1]/df(b)._Val[1]);}
#else
#define c_div(c, a, b) {pCf(c) = Cf(a)/Cf(b);}
#define z_div(c, a, b) {pCd(c) = Cd(a)/Cd(b);}
#endif
#define c_exp(R, Z) {pCf(R) = cexpf(Cf(Z));}
#define c_log(R, Z) {pCf(R) = clogf(Cf(Z));}
#define c_sin(R, Z) {pCf(R) = csinf(Cf(Z));}
//#define c_sqrt(R, Z) {*(R) = csqrtf(Cf(Z));}
#define c_sqrt(R, Z) {pCf(R) = csqrtf(Cf(Z));}
#define d_abs(x) (fabs(*(x)))
#define d_acos(x) (acos(*(x)))
#define d_asin(x) (asin(*(x)))
#define d_atan(x) (atan(*(x)))
#define d_atn2(x, y) (atan2(*(x),*(y)))
#define d_cnjg(R, Z) { pCd(R) = conj(Cd(Z)); }
#define r_cnjg(R, Z) { pCf(R) = conjf(Cf(Z)); }
#define d_cos(x) (cos(*(x)))
#define d_cosh(x) (cosh(*(x)))
#define d_dim(__a, __b) ( *(__a) > *(__b) ? *(__a) - *(__b) : 0.0 )
#define d_exp(x) (exp(*(x)))
#define d_imag(z) (cimag(Cd(z)))
#define r_imag(z) (cimagf(Cf(z)))
#define d_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define r_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define d_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define r_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define d_log(x) (log(*(x)))
#define d_mod(x, y) (fmod(*(x), *(y)))
#define u_nint(__x) ((__x)>=0 ? floor((__x) + .5) : -floor(.5 - (__x)))
#define d_nint(x) u_nint(*(x))
#define u_sign(__a,__b) ((__b) >= 0 ? ((__a) >= 0 ? (__a) : -(__a)) : -((__a) >= 0 ? (__a) : -(__a)))
#define d_sign(a,b) u_sign(*(a),*(b))
#define r_sign(a,b) u_sign(*(a),*(b))
#define d_sin(x) (sin(*(x)))
#define d_sinh(x) (sinh(*(x)))
#define d_sqrt(x) (sqrt(*(x)))
#define d_tan(x) (tan(*(x)))
#define d_tanh(x) (tanh(*(x)))
#define i_abs(x) abs(*(x))
#define i_dnnt(x) ((integer)u_nint(*(x)))
#define i_len(s, n) (n)
#define i_nint(x) ((integer)u_nint(*(x)))
#define i_sign(a,b) ((integer)u_sign((integer)*(a),(integer)*(b)))
#define pow_dd(ap, bp) ( pow(*(ap), *(bp)))
#define pow_si(B,E) spow_ui(*(B),*(E))
#define pow_ri(B,E) spow_ui(*(B),*(E))
#define pow_di(B,E) dpow_ui(*(B),*(E))
#define pow_zi(p, a, b) {pCd(p) = zpow_ui(Cd(a), *(b));}
#define pow_ci(p, a, b) {pCf(p) = cpow_ui(Cf(a), *(b));}
#define pow_zz(R,A,B) {pCd(R) = cpow(Cd(A),*(B));}
#define s_cat(lpp, rpp, rnp, np, llp) { ftnlen i, nc, ll; char *f__rp, *lp; ll = (llp); lp = (lpp); for(i=0; i < (int)*(np); ++i) { nc = ll; if((rnp)[i] < nc) nc = (rnp)[i]; ll -= nc; f__rp = (rpp)[i]; while(--nc >= 0) *lp++ = *(f__rp)++; } while(--ll >= 0) *lp++ = ' '; }
#define s_cmp(a,b,c,d) ((integer)strncmp((a),(b),f2cmin((c),(d))))
#define s_copy(A,B,C,D) { int __i,__m; for (__i=0, __m=f2cmin((C),(D)); __i<__m && (B)[__i] != 0; ++__i) (A)[__i] = (B)[__i]; }
#define sig_die(s, kill) { exit(1); }
#define s_stop(s, n) {exit(0);}
static char junk[] = "\n@(#)LIBF77 VERSION 19990503\n";
#define z_abs(z) (cabs(Cd(z)))
#define z_exp(R, Z) {pCd(R) = cexp(Cd(Z));}
#define z_sqrt(R, Z) {pCd(R) = csqrt(Cd(Z));}
#define myexit_() break;
#define mycycle() continue;
#define myceiling(w) {ceil(w)}
#define myhuge(w) {HUGE_VAL}
//#define mymaxloc_(w,s,e,n) {if (sizeof(*(w)) == sizeof(double)) dmaxloc_((w),*(s),*(e),n); else dmaxloc_((w),*(s),*(e),n);}
#define mymaxloc(w,s,e,n) {dmaxloc_(w,*(s),*(e),n)}
/* procedure parameter types for -A and -C++ */
#define F2C_proc_par_types 1
#ifdef __cplusplus
typedef logical (*L_fp)(...);
#else
typedef logical (*L_fp)();
#endif
static float spow_ui(float x, integer n) {
float pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
static double dpow_ui(double x, integer n) {
double pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#ifdef _MSC_VER
static _Fcomplex cpow_ui(complex x, integer n) {
complex pow={1.0,0.0}; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x.r = 1/x.r, x.i=1/x.i;
for(u = n; ; ) {
if(u & 01) pow.r *= x.r, pow.i *= x.i;
if(u >>= 1) x.r *= x.r, x.i *= x.i;
else break;
}
}
_Fcomplex p={pow.r, pow.i};
return p;
}
#else
static _Complex float cpow_ui(_Complex float x, integer n) {
_Complex float pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#endif
#ifdef _MSC_VER
static _Dcomplex zpow_ui(_Dcomplex x, integer n) {
_Dcomplex pow={1.0,0.0}; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x._Val[0] = 1/x._Val[0], x._Val[1] =1/x._Val[1];
for(u = n; ; ) {
if(u & 01) pow._Val[0] *= x._Val[0], pow._Val[1] *= x._Val[1];
if(u >>= 1) x._Val[0] *= x._Val[0], x._Val[1] *= x._Val[1];
else break;
}
}
_Dcomplex p = {pow._Val[0], pow._Val[1]};
return p;
}
#else
static _Complex double zpow_ui(_Complex double x, integer n) {
_Complex double pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#endif
static integer pow_ii(integer x, integer n) {
integer pow; unsigned long int u;
if (n <= 0) {
if (n == 0 || x == 1) pow = 1;
else if (x != -1) pow = x == 0 ? 1/x : 0;
else n = -n;
}
if ((n > 0) || !(n == 0 || x == 1 || x != -1)) {
u = n;
for(pow = 1; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
static integer dmaxloc_(double *w, integer s, integer e, integer *n)
{
double m; integer i, mi;
for(m=w[s-1], mi=s, i=s+1; i<=e; i++)
if (w[i-1]>m) mi=i ,m=w[i-1];
return mi-s+1;
}
static integer smaxloc_(float *w, integer s, integer e, integer *n)
{
float m; integer i, mi;
for(m=w[s-1], mi=s, i=s+1; i<=e; i++)
if (w[i-1]>m) mi=i ,m=w[i-1];
return mi-s+1;
}
static inline void cdotc_(complex *z, integer *n_, complex *x, integer *incx_, complex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Fcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conjf(Cf(&x[i]))._Val[0] * Cf(&y[i])._Val[0];
zdotc._Val[1] += conjf(Cf(&x[i]))._Val[1] * Cf(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conjf(Cf(&x[i*incx]))._Val[0] * Cf(&y[i*incy])._Val[0];
zdotc._Val[1] += conjf(Cf(&x[i*incx]))._Val[1] * Cf(&y[i*incy])._Val[1];
}
}
pCf(z) = zdotc;
}
#else
_Complex float zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conjf(Cf(&x[i])) * Cf(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conjf(Cf(&x[i*incx])) * Cf(&y[i*incy]);
}
}
pCf(z) = zdotc;
}
#endif
static inline void zdotc_(doublecomplex *z, integer *n_, doublecomplex *x, integer *incx_, doublecomplex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Dcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conj(Cd(&x[i]))._Val[0] * Cd(&y[i])._Val[0];
zdotc._Val[1] += conj(Cd(&x[i]))._Val[1] * Cd(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conj(Cd(&x[i*incx]))._Val[0] * Cd(&y[i*incy])._Val[0];
zdotc._Val[1] += conj(Cd(&x[i*incx]))._Val[1] * Cd(&y[i*incy])._Val[1];
}
}
pCd(z) = zdotc;
}
#else
_Complex double zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conj(Cd(&x[i])) * Cd(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conj(Cd(&x[i*incx])) * Cd(&y[i*incy]);
}
}
pCd(z) = zdotc;
}
#endif
static inline void cdotu_(complex *z, integer *n_, complex *x, integer *incx_, complex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Fcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cf(&x[i])._Val[0] * Cf(&y[i])._Val[0];
zdotc._Val[1] += Cf(&x[i])._Val[1] * Cf(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cf(&x[i*incx])._Val[0] * Cf(&y[i*incy])._Val[0];
zdotc._Val[1] += Cf(&x[i*incx])._Val[1] * Cf(&y[i*incy])._Val[1];
}
}
pCf(z) = zdotc;
}
#else
_Complex float zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cf(&x[i]) * Cf(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cf(&x[i*incx]) * Cf(&y[i*incy]);
}
}
pCf(z) = zdotc;
}
#endif
static inline void zdotu_(doublecomplex *z, integer *n_, doublecomplex *x, integer *incx_, doublecomplex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Dcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cd(&x[i])._Val[0] * Cd(&y[i])._Val[0];
zdotc._Val[1] += Cd(&x[i])._Val[1] * Cd(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cd(&x[i*incx])._Val[0] * Cd(&y[i*incy])._Val[0];
zdotc._Val[1] += Cd(&x[i*incx])._Val[1] * Cd(&y[i*incy])._Val[1];
}
}
pCd(z) = zdotc;
}
#else
_Complex double zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cd(&x[i]) * Cd(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cd(&x[i*incx]) * Cd(&y[i*incy]);
}
}
pCd(z) = zdotc;
}
#endif
/* -- translated by f2c (version 20000121).
You must link the resulting object file with the libraries:
-lf2c -lm (in that order)
*/
/* > \brief \b SLARNV returns a vector of random numbers from a uniform or normal distribution. */
/* =========== DOCUMENTATION =========== */
/* Online html documentation available at */
/* http://www.netlib.org/lapack/explore-html/ */
/* > \htmlonly */
/* > Download SLARNV + dependencies */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/slarnv.
f"> */
/* > [TGZ]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/slarnv.
f"> */
/* > [ZIP]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/slarnv.
f"> */
/* > [TXT]</a> */
/* > \endhtmlonly */
/* Definition: */
/* =========== */
/* SUBROUTINE SLARNV( IDIST, ISEED, N, X ) */
/* INTEGER IDIST, N */
/* INTEGER ISEED( 4 ) */
/* REAL X( * ) */
/* > \par Purpose: */
/* ============= */
/* > */
/* > \verbatim */
/* > */
/* > SLARNV returns a vector of n random real numbers from a uniform or */
/* > normal distribution. */
/* > \endverbatim */
/* Arguments: */
/* ========== */
/* > \param[in] IDIST */
/* > \verbatim */
/* > IDIST is INTEGER */
/* > Specifies the distribution of the random numbers: */
/* > = 1: uniform (0,1) */
/* > = 2: uniform (-1,1) */
/* > = 3: normal (0,1) */
/* > \endverbatim */
/* > */
/* > \param[in,out] ISEED */
/* > \verbatim */
/* > ISEED is INTEGER array, dimension (4) */
/* > On entry, the seed of the random number generator; the array */
/* > elements must be between 0 and 4095, and ISEED(4) must be */
/* > odd. */
/* > On exit, the seed is updated. */
/* > \endverbatim */
/* > */
/* > \param[in] N */
/* > \verbatim */
/* > N is INTEGER */
/* > The number of random numbers to be generated. */
/* > \endverbatim */
/* > */
/* > \param[out] X */
/* > \verbatim */
/* > X is REAL array, dimension (N) */
/* > The generated random numbers. */
/* > \endverbatim */
/* Authors: */
/* ======== */
/* > \author Univ. of Tennessee */
/* > \author Univ. of California Berkeley */
/* > \author Univ. of Colorado Denver */
/* > \author NAG Ltd. */
/* > \date December 2016 */
/* > \ingroup OTHERauxiliary */
/* > \par Further Details: */
/* ===================== */
/* > */
/* > \verbatim */
/* > */
/* > This routine calls the auxiliary routine SLARUV to generate random */
/* > real numbers from a uniform (0,1) distribution, in batches of up to */
/* > 128 using vectorisable code. The Box-Muller method is used to */
/* > transform numbers from a uniform to a normal distribution. */
/* > \endverbatim */
/* > */
/* ===================================================================== */
/* Subroutine */ int slarnv_(integer *idist, integer *iseed, integer *n, real
*x)
{
/* System generated locals */
integer i__1, i__2, i__3;
/* Local variables */
integer i__;
real u[128];
integer il, iv, il2;
extern /* Subroutine */ int slaruv_(integer *, integer *, real *);
/* -- LAPACK auxiliary routine (version 3.7.0) -- */
/* -- LAPACK is a software package provided by Univ. of Tennessee, -- */
/* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- */
/* December 2016 */
/* ===================================================================== */
/* Parameter adjustments */
--x;
--iseed;
/* Function Body */
i__1 = *n;
for (iv = 1; iv <= i__1; iv += 64) {
/* Computing MIN */
i__2 = 64, i__3 = *n - iv + 1;
il = f2cmin(i__2,i__3);
if (*idist == 3) {
il2 = il << 1;
} else {
il2 = il;
}
/* Call SLARUV to generate IL2 numbers from a uniform (0,1) */
/* distribution (IL2 <= LV) */
slaruv_(&iseed[1], &il2, u);
if (*idist == 1) {
/* Copy generated numbers */
i__2 = il;
for (i__ = 1; i__ <= i__2; ++i__) {
x[iv + i__ - 1] = u[i__ - 1];
/* L10: */
}
} else if (*idist == 2) {
/* Convert generated numbers to uniform (-1,1) distribution */
i__2 = il;
for (i__ = 1; i__ <= i__2; ++i__) {
x[iv + i__ - 1] = u[i__ - 1] * 2.f - 1.f;
/* L20: */
}
} else if (*idist == 3) {
/* Convert generated numbers to normal (0,1) distribution */
i__2 = il;
for (i__ = 1; i__ <= i__2; ++i__) {
x[iv + i__ - 1] = sqrt(log(u[(i__ << 1) - 2]) * -2.f) * cos(u[
(i__ << 1) - 1] * 6.2831853071795864769252867663f);
/* L30: */
}
}
/* L40: */
}
return 0;
/* End of SLARNV */
} /* slarnv_ */
|
the_stack_data/116542.c
|
// Exibir na tela a posiรงรฃo e a soma dos termos menores que betha^2.
#include<stdio.h>
#define SIZE 100
#define BETHA 7.54
int main(int argc, char const *argv[]){
int vetor[SIZE];
int i, somaElem = 0;
for(i = 0; i < SIZE; i++){
printf("Digite %iยบ nรบmero: ", i + 1);
scanf("%i", &vetor[i]);
while (vetor[i] < 0){
printf("ERRO: o nรบmero deve ser positivo. Digite novamente: ");
scanf("%i", &vetor[i]);
}
}
printf("\nNรบmeros menores que BETHA^2: ");
for(i = 0; i < SIZE; i++){
if (vetor[i] < BETHA*BETHA){
printf("\n%i (posiรงรฃo %i) ", vetor[i], i + 1);
somaElem += vetor[i];
}
}
printf("\nSoma desses nรบmeros: %i", somaElem);
return 0;
}
|
the_stack_data/77939.c
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <CL/cl.h>
unsigned char *read_buffer(char *file_name, size_t *size_ptr)
{
FILE *f;
unsigned char *buf;
size_t size;
/* Open file */
f = fopen(file_name, "rb");
if (!f)
return NULL;
/* Obtain file size */
fseek(f, 0, SEEK_END);
size = ftell(f);
fseek(f, 0, SEEK_SET);
/* Allocate and read buffer */
buf = malloc(size + 1);
fread(buf, 1, size, f);
buf[size] = '\0';
/* Return size of buffer */
if (size_ptr)
*size_ptr = size;
/* Return buffer */
return buf;
}
void write_buffer(char *file_name, const char *buffer, size_t buffer_size)
{
FILE *f;
/* Open file */
f = fopen(file_name, "w+");
/* Write buffer */
if(buffer)
fwrite(buffer, 1, buffer_size, f);
/* Close file */
fclose(f);
}
int main(int argc, char const *argv[])
{
/* Get platform */
cl_platform_id platform;
cl_uint num_platforms;
cl_int ret = clGetPlatformIDs(1, &platform, &num_platforms);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetPlatformIDs' failed\n");
exit(1);
}
printf("Number of platforms: %d\n", num_platforms);
printf("platform=%p\n", platform);
/* Get platform name */
char platform_name[100];
ret = clGetPlatformInfo(platform, CL_PLATFORM_NAME, sizeof(platform_name), platform_name, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetPlatformInfo' failed\n");
exit(1);
}
printf("platform.name='%s'\n\n", platform_name);
/* Get device */
cl_device_id device;
cl_uint num_devices;
ret = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 1, &device, &num_devices);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetDeviceIDs' failed\n");
exit(1);
}
printf("Number of devices: %d\n", num_devices);
printf("device=%p\n", device);
/* Get device name */
char device_name[100];
ret = clGetDeviceInfo(device, CL_DEVICE_NAME, sizeof(device_name),
device_name, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetDeviceInfo' failed\n");
exit(1);
}
printf("device.name='%s'\n", device_name);
printf("\n");
/* Create a Context Object */
cl_context context;
context = clCreateContext(NULL, 1, &device, NULL, NULL, &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateContext' failed\n");
exit(1);
}
printf("context=%p\n", context);
/* Create a Command Queue Object*/
cl_command_queue command_queue;
command_queue = clCreateCommandQueue(context, device, 0, &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateCommandQueue' failed\n");
exit(1);
}
printf("command_queue=%p\n", command_queue);
printf("\n");
/* Program source */
unsigned char *source_code;
size_t source_length;
/* Read program from 'max_ulong8ulong8.cl' */
source_code = read_buffer("max_ulong8ulong8.cl", &source_length);
/* Create a program */
cl_program program;
program = clCreateProgramWithSource(context, 1, (const char **)&source_code, &source_length, &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateProgramWithSource' failed\n");
exit(1);
}
printf("program=%p\n", program);
/* Build program */
ret = clBuildProgram(program, 1, &device, NULL, NULL, NULL);
if (ret != CL_SUCCESS )
{
size_t size;
char *log;
/* Get log size */
clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG,0, NULL, &size);
/* Allocate log and print */
log = malloc(size);
clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG,size, log, NULL);
printf("error: call to 'clBuildProgram' failed:\n%s\n", log);
/* Free log and exit */
free(log);
exit(1);
}
printf("program built\n");
printf("\n");
/* Create a Kernel Object */
cl_kernel kernel;
kernel = clCreateKernel(program, "max_ulong8ulong8", &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateKernel' failed\n");
exit(1);
}
/* Create and allocate host buffers */
size_t num_elem = 10;
/* Create and init host side src buffer 0 */
cl_ulong8 *src_0_host_buffer;
src_0_host_buffer = malloc(num_elem * sizeof(cl_ulong8));
for (int i = 0; i < num_elem; i++)
src_0_host_buffer[i] = (cl_ulong8){{2, 2, 2, 2, 2, 2, 2, 2}};
/* Create and init device side src buffer 0 */
cl_mem src_0_device_buffer;
src_0_device_buffer = clCreateBuffer(context, CL_MEM_READ_ONLY, num_elem * sizeof(cl_ulong8), NULL, &ret);
if (ret != CL_SUCCESS)
{
printf("error: could not create source buffer\n");
exit(1);
}
ret = clEnqueueWriteBuffer(command_queue, src_0_device_buffer, CL_TRUE, 0, num_elem * sizeof(cl_ulong8), src_0_host_buffer, 0, NULL, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clEnqueueWriteBuffer' failed\n");
exit(1);
}
/* Create and init host side src buffer 1 */
cl_ulong8 *src_1_host_buffer;
src_1_host_buffer = malloc(num_elem * sizeof(cl_ulong8));
for (int i = 0; i < num_elem; i++)
src_1_host_buffer[i] = (cl_ulong8){{2, 2, 2, 2, 2, 2, 2, 2}};
/* Create and init device side src buffer 1 */
cl_mem src_1_device_buffer;
src_1_device_buffer = clCreateBuffer(context, CL_MEM_READ_ONLY, num_elem * sizeof(cl_ulong8), NULL, &ret);
if (ret != CL_SUCCESS)
{
printf("error: could not create source buffer\n");
exit(1);
}
ret = clEnqueueWriteBuffer(command_queue, src_1_device_buffer, CL_TRUE, 0, num_elem * sizeof(cl_ulong8), src_1_host_buffer, 0, NULL, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clEnqueueWriteBuffer' failed\n");
exit(1);
}
/* Create host dst buffer */
cl_ulong8 *dst_host_buffer;
dst_host_buffer = malloc(num_elem * sizeof(cl_ulong8));
memset((void *)dst_host_buffer, 1, num_elem * sizeof(cl_ulong8));
/* Create device dst buffer */
cl_mem dst_device_buffer;
dst_device_buffer = clCreateBuffer(context, CL_MEM_WRITE_ONLY, num_elem *sizeof(cl_ulong8), NULL, &ret);
if (ret != CL_SUCCESS)
{
printf("error: could not create dst buffer\n");
exit(1);
}
/* Set kernel arguments */
ret = CL_SUCCESS;
ret |= clSetKernelArg(kernel, 0, sizeof(cl_mem), &src_0_device_buffer);
ret |= clSetKernelArg(kernel, 1, sizeof(cl_mem), &src_1_device_buffer);
ret |= clSetKernelArg(kernel, 2, sizeof(cl_mem), &dst_device_buffer);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clSetKernelArg' failed\n");
exit(1);
}
/* Launch the kernel */
size_t global_work_size = num_elem;
size_t local_work_size = num_elem;
ret = clEnqueueNDRangeKernel(command_queue, kernel, 1, NULL, &global_work_size, &local_work_size, 0, NULL, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clEnqueueNDRangeKernel' failed\n");
exit(1);
}
/* Wait for it to finish */
clFinish(command_queue);
/* Read results from GPU */
ret = clEnqueueReadBuffer(command_queue, dst_device_buffer, CL_TRUE,0, num_elem * sizeof(cl_ulong8), dst_host_buffer, 0, NULL, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clEnqueueReadBuffer' failed\n");
exit(1);
}
/* Dump dst buffer to file */
char dump_file[100];
sprintf((char *)&dump_file, "%s.result", argv[0]);
write_buffer(dump_file, (const char *)dst_host_buffer, num_elem * sizeof(cl_ulong8));
printf("Result dumped to %s\n", dump_file);
/* Free host dst buffer */
free(dst_host_buffer);
/* Free device dst buffer */
ret = clReleaseMemObject(dst_device_buffer);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseMemObject' failed\n");
exit(1);
}
/* Free host side src buffer 0 */
free(src_0_host_buffer);
/* Free device side src buffer 0 */
ret = clReleaseMemObject(src_0_device_buffer);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseMemObject' failed\n");
exit(1);
}
/* Free host side src buffer 1 */
free(src_1_host_buffer);
/* Free device side src buffer 1 */
ret = clReleaseMemObject(src_1_device_buffer);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseMemObject' failed\n");
exit(1);
}
/* Release kernel */
ret = clReleaseKernel(kernel);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseKernel' failed\n");
exit(1);
}
/* Release program */
ret = clReleaseProgram(program);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseProgram' failed\n");
exit(1);
}
/* Release command queue */
ret = clReleaseCommandQueue(command_queue);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseCommandQueue' failed\n");
exit(1);
}
/* Release context */
ret = clReleaseContext(context);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseContext' failed\n");
exit(1);
}
return 0;
}
|
the_stack_data/62637904.c
|
// Ogg Vorbis audio decoder - v1.04 - public domain
// http://nothings.org/stb_vorbis/
//
// Written by Sean Barrett in 2007, last updated in 2014
// Sponsored by RAD Game Tools.
//
// Placed in the public domain April 2007 by the author: no copyright
// is claimed, and you may use it for any purpose you like.
//
// No warranty for any purpose is expressed or implied by the author (nor
// by RAD Game Tools). Report bugs and send enhancements to the author.
//
// Limitations:
//
// - seeking not supported except manually via PUSHDATA api
// - floor 0 not supported (used in old ogg vorbis files pre-2004)
// - lossless sample-truncation at beginning ignored
// - cannot concatenate multiple vorbis streams
// - sample positions are 32-bit, limiting seekable 192Khz
// files to around 6 hours (Ogg supports 64-bit)
//
// Bugfix/warning contributors:
// Terje Mathisen Niklas Frykholm Andy Hill
// Casey Muratori John Bolton Gargaj
// Laurent Gomila Marc LeBlanc Ronny Chevalier
// Bernhard Wodo Evan Balster "alxprd"@github
// Tom Beaumont Ingo Leitgeb
// (If you reported a bug but do not appear in this list, it is because
// someone else reported the bug before you. There were too many of you to
// list them all because I was lax about updating for a long time, sorry.)
//
// Partial history:
// 1.04 - 2014/08/27 - fix missing const-correct case in API
// 1.03 - 2014/08/07 - warning fixes
// 1.02 - 2014/07/09 - declare qsort comparison as explicitly _cdecl in Windows
// 1.01 - 2014/06/18 - fix stb_vorbis_get_samples_float (interleaved was correct)
// 1.0 - 2014/05/26 - fix memory leaks; fix warnings; fix bugs in >2-channel;
// (API change) report sample rate for decode-full-file funcs
// 0.99996 - - bracket #include <malloc.h> for macintosh compilation
// 0.99995 - - avoid alias-optimization issue in float-to-int conversion
//
// See end of file for full version history.
//////////////////////////////////////////////////////////////////////////////
//
// HEADER BEGINS HERE
//
#ifndef STB_VORBIS_INCLUDE_STB_VORBIS_H
#define STB_VORBIS_INCLUDE_STB_VORBIS_H
#if defined(STB_VORBIS_NO_CRT) && !defined(STB_VORBIS_NO_STDIO)
#define STB_VORBIS_NO_STDIO 1
#endif
#ifndef STB_VORBIS_NO_STDIO
#include <stdio.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/////////// THREAD SAFETY
// Individual stb_vorbis* handles are not thread-safe; you cannot decode from
// them from multiple threads at the same time. However, you can have multiple
// stb_vorbis* handles and decode from them independently in multiple thrads.
/////////// MEMORY ALLOCATION
// normally stb_vorbis uses malloc() to allocate memory at startup,
// and alloca() to allocate temporary memory during a frame on the
// stack. (Memory consumption will depend on the amount of setup
// data in the file and how you set the compile flags for speed
// vs. size. In my test files the maximal-size usage is ~150KB.)
//
// You can modify the wrapper functions in the source (setup_malloc,
// setup_temp_malloc, temp_malloc) to change this behavior, or you
// can use a simpler allocation model: you pass in a buffer from
// which stb_vorbis will allocate _all_ its memory (including the
// temp memory). "open" may fail with a VORBIS_outofmem if you
// do not pass in enough data; there is no way to determine how
// much you do need except to succeed (at which point you can
// query get_info to find the exact amount required. yes I know
// this is lame).
//
// If you pass in a non-NULL buffer of the type below, allocation
// will occur from it as described above. Otherwise just pass NULL
// to use malloc()/alloca()
typedef struct
{
char *alloc_buffer;
int alloc_buffer_length_in_bytes;
} stb_vorbis_alloc;
/////////// FUNCTIONS USEABLE WITH ALL INPUT MODES
typedef struct stb_vorbis stb_vorbis;
typedef struct
{
unsigned int sample_rate;
int channels;
unsigned int setup_memory_required;
unsigned int setup_temp_memory_required;
unsigned int temp_memory_required;
int max_frame_size;
} stb_vorbis_info;
// get general information about the file
extern stb_vorbis_info stb_vorbis_get_info(stb_vorbis *f);
// get the last error detected (clears it, too)
extern int stb_vorbis_get_error(stb_vorbis *f);
// close an ogg vorbis file and free all memory in use
extern void stb_vorbis_close(stb_vorbis *f);
// this function returns the offset (in samples) from the beginning of the
// file that will be returned by the next decode, if it is known, or -1
// otherwise. after a flush_pushdata() call, this may take a while before
// it becomes valid again.
// NOT WORKING YET after a seek with PULLDATA API
extern int stb_vorbis_get_sample_offset(stb_vorbis *f);
// returns the current seek point within the file, or offset from the beginning
// of the memory buffer. In pushdata mode it returns 0.
extern unsigned int stb_vorbis_get_file_offset(stb_vorbis *f);
/////////// PUSHDATA API
#ifndef STB_VORBIS_NO_PUSHDATA_API
// this API allows you to get blocks of data from any source and hand
// them to stb_vorbis. you have to buffer them; stb_vorbis will tell
// you how much it used, and you have to give it the rest next time;
// and stb_vorbis may not have enough data to work with and you will
// need to give it the same data again PLUS more. Note that the Vorbis
// specification does not bound the size of an individual frame.
extern stb_vorbis *stb_vorbis_open_pushdata(
unsigned char *datablock, int datablock_length_in_bytes,
int *datablock_memory_consumed_in_bytes,
int *error,
stb_vorbis_alloc *alloc_buffer);
// create a vorbis decoder by passing in the initial data block containing
// the ogg&vorbis headers (you don't need to do parse them, just provide
// the first N bytes of the file--you're told if it's not enough, see below)
// on success, returns an stb_vorbis *, does not set error, returns the amount of
// data parsed/consumed on this call in *datablock_memory_consumed_in_bytes;
// on failure, returns NULL on error and sets *error, does not change *datablock_memory_consumed
// if returns NULL and *error is VORBIS_need_more_data, then the input block was
// incomplete and you need to pass in a larger block from the start of the file
extern int stb_vorbis_decode_frame_pushdata(
stb_vorbis *f, unsigned char *datablock, int datablock_length_in_bytes,
int *channels, // place to write number of float * buffers
float ***output, // place to write float ** array of float * buffers
int *samples // place to write number of output samples
);
// decode a frame of audio sample data if possible from the passed-in data block
//
// return value: number of bytes we used from datablock
//
// possible cases:
// 0 bytes used, 0 samples output (need more data)
// N bytes used, 0 samples output (resynching the stream, keep going)
// N bytes used, M samples output (one frame of data)
// note that after opening a file, you will ALWAYS get one N-bytes,0-sample
// frame, because Vorbis always "discards" the first frame.
//
// Note that on resynch, stb_vorbis will rarely consume all of the buffer,
// instead only datablock_length_in_bytes-3 or less. This is because it wants
// to avoid missing parts of a page header if they cross a datablock boundary,
// without writing state-machiney code to record a partial detection.
//
// The number of channels returned are stored in *channels (which can be
// NULL--it is always the same as the number of channels reported by
// get_info). *output will contain an array of float* buffers, one per
// channel. In other words, (*output)[0][0] contains the first sample from
// the first channel, and (*output)[1][0] contains the first sample from
// the second channel.
extern void stb_vorbis_flush_pushdata(stb_vorbis *f);
// inform stb_vorbis that your next datablock will not be contiguous with
// previous ones (e.g. you've seeked in the data); future attempts to decode
// frames will cause stb_vorbis to resynchronize (as noted above), and
// once it sees a valid Ogg page (typically 4-8KB, as large as 64KB), it
// will begin decoding the _next_ frame.
//
// if you want to seek using pushdata, you need to seek in your file, then
// call stb_vorbis_flush_pushdata(), then start calling decoding, then once
// decoding is returning you data, call stb_vorbis_get_sample_offset, and
// if you don't like the result, seek your file again and repeat.
#endif
////////// PULLING INPUT API
#ifndef STB_VORBIS_NO_PULLDATA_API
// This API assumes stb_vorbis is allowed to pull data from a source--
// either a block of memory containing the _entire_ vorbis stream, or a
// FILE * that you or it create, or possibly some other reading mechanism
// if you go modify the source to replace the FILE * case with some kind
// of callback to your code. (But if you don't support seeking, you may
// just want to go ahead and use pushdata.)
#if !defined(STB_VORBIS_NO_STDIO) && !defined(STB_VORBIS_NO_INTEGER_CONVERSION)
extern int stb_vorbis_decode_filename(const char *filename, int *channels, int *sample_rate, short **output);
#endif
#if !defined(STB_VORBIS_NO_INTEGER_CONVERSION)
extern int stb_vorbis_decode_memory(const unsigned char *mem, int len, int *channels, int *sample_rate, short **output);
#endif
// decode an entire file and output the data interleaved into a malloc()ed
// buffer stored in *output. The return value is the number of samples
// decoded, or -1 if the file could not be opened or was not an ogg vorbis file.
// When you're done with it, just free() the pointer returned in *output.
extern stb_vorbis * stb_vorbis_open_memory(const unsigned char *data, int len,
int *error, stb_vorbis_alloc *alloc_buffer);
// create an ogg vorbis decoder from an ogg vorbis stream in memory (note
// this must be the entire stream!). on failure, returns NULL and sets *error
#ifndef STB_VORBIS_NO_STDIO
extern stb_vorbis * stb_vorbis_open_filename(const char *filename,
int *error, stb_vorbis_alloc *alloc_buffer);
// create an ogg vorbis decoder from a filename via fopen(). on failure,
// returns NULL and sets *error (possibly to VORBIS_file_open_failure).
extern stb_vorbis * stb_vorbis_open_file(FILE *f, int close_handle_on_close,
int *error, stb_vorbis_alloc *alloc_buffer);
// create an ogg vorbis decoder from an open FILE *, looking for a stream at
// the _current_ seek point (ftell). on failure, returns NULL and sets *error.
// note that stb_vorbis must "own" this stream; if you seek it in between
// calls to stb_vorbis, it will become confused. Morever, if you attempt to
// perform stb_vorbis_seek_*() operations on this file, it will assume it
// owns the _entire_ rest of the file after the start point. Use the next
// function, stb_vorbis_open_file_section(), to limit it.
extern stb_vorbis * stb_vorbis_open_file_section(FILE *f, int close_handle_on_close,
int *error, stb_vorbis_alloc *alloc_buffer, unsigned int len);
// create an ogg vorbis decoder from an open FILE *, looking for a stream at
// the _current_ seek point (ftell); the stream will be of length 'len' bytes.
// on failure, returns NULL and sets *error. note that stb_vorbis must "own"
// this stream; if you seek it in between calls to stb_vorbis, it will become
// confused.
#endif
extern int stb_vorbis_seek_frame(stb_vorbis *f, unsigned int sample_number);
extern int stb_vorbis_seek(stb_vorbis *f, unsigned int sample_number);
// NOT WORKING YET
// these functions seek in the Vorbis file to (approximately) 'sample_number'.
// after calling seek_frame(), the next call to get_frame_*() will include
// the specified sample. after calling stb_vorbis_seek(), the next call to
// stb_vorbis_get_samples_* will start with the specified sample. If you
// do not need to seek to EXACTLY the target sample when using get_samples_*,
// you can also use seek_frame().
extern void stb_vorbis_seek_start(stb_vorbis *f);
// this function is equivalent to stb_vorbis_seek(f,0), but it
// actually works
extern unsigned int stb_vorbis_stream_length_in_samples(stb_vorbis *f);
extern float stb_vorbis_stream_length_in_seconds(stb_vorbis *f);
// these functions return the total length of the vorbis stream
extern int stb_vorbis_get_frame_float(stb_vorbis *f, int *channels, float ***output);
// decode the next frame and return the number of samples. the number of
// channels returned are stored in *channels (which can be NULL--it is always
// the same as the number of channels reported by get_info). *output will
// contain an array of float* buffers, one per channel. These outputs will
// be overwritten on the next call to stb_vorbis_get_frame_*.
//
// You generally should not intermix calls to stb_vorbis_get_frame_*()
// and stb_vorbis_get_samples_*(), since the latter calls the former.
#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
extern int stb_vorbis_get_frame_short_interleaved(stb_vorbis *f, int num_c, short *buffer, int num_shorts);
extern int stb_vorbis_get_frame_short (stb_vorbis *f, int num_c, short **buffer, int num_samples);
#endif
// decode the next frame and return the number of samples per channel. the
// data is coerced to the number of channels you request according to the
// channel coercion rules (see below). You must pass in the size of your
// buffer(s) so that stb_vorbis will not overwrite the end of the buffer.
// The maximum buffer size needed can be gotten from get_info(); however,
// the Vorbis I specification implies an absolute maximum of 4096 samples
// per channel. Note that for interleaved data, you pass in the number of
// shorts (the size of your array), but the return value is the number of
// samples per channel, not the total number of samples.
// Channel coercion rules:
// Let M be the number of channels requested, and N the number of channels present,
// and Cn be the nth channel; let stereo L be the sum of all L and center channels,
// and stereo R be the sum of all R and center channels (channel assignment from the
// vorbis spec).
// M N output
// 1 k sum(Ck) for all k
// 2 * stereo L, stereo R
// k l k > l, the first l channels, then 0s
// k l k <= l, the first k channels
// Note that this is not _good_ surround etc. mixing at all! It's just so
// you get something useful.
extern int stb_vorbis_get_samples_float_interleaved(stb_vorbis *f, int channels, float *buffer, int num_floats);
extern int stb_vorbis_get_samples_float(stb_vorbis *f, int channels, float **buffer, int num_samples);
// gets num_samples samples, not necessarily on a frame boundary--this requires
// buffering so you have to supply the buffers. DOES NOT APPLY THE COERCION RULES.
// Returns the number of samples stored per channel; it may be less than requested
// at the end of the file. If there are no more samples in the file, returns 0.
#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
extern int stb_vorbis_get_samples_short_interleaved(stb_vorbis *f, int channels, short *buffer, int num_shorts);
extern int stb_vorbis_get_samples_short(stb_vorbis *f, int channels, short **buffer, int num_samples);
#endif
// gets num_samples samples, not necessarily on a frame boundary--this requires
// buffering so you have to supply the buffers. Applies the coercion rules above
// to produce 'channels' channels. Returns the number of samples stored per channel;
// it may be less than requested at the end of the file. If there are no more
// samples in the file, returns 0.
#endif
//////// ERROR CODES
enum STBVorbisError
{
VORBIS__no_error,
VORBIS_need_more_data=1, // not a real error
VORBIS_invalid_api_mixing, // can't mix API modes
VORBIS_outofmem, // not enough memory
VORBIS_feature_not_supported, // uses floor 0
VORBIS_too_many_channels, // STB_VORBIS_MAX_CHANNELS is too small
VORBIS_file_open_failure, // fopen() failed
VORBIS_seek_without_length, // can't seek in unknown-length file
VORBIS_unexpected_eof=10, // file is truncated?
VORBIS_seek_invalid, // seek past EOF
// decoding errors (corrupt/invalid stream) -- you probably
// don't care about the exact details of these
// vorbis errors:
VORBIS_invalid_setup=20,
VORBIS_invalid_stream,
// ogg errors:
VORBIS_missing_capture_pattern=30,
VORBIS_invalid_stream_structure_version,
VORBIS_continued_packet_flag_invalid,
VORBIS_incorrect_stream_serial_number,
VORBIS_invalid_first_page,
VORBIS_bad_packet_type,
VORBIS_cant_find_last_page,
VORBIS_seek_failed,
};
#ifdef __cplusplus
}
#endif
#endif // STB_VORBIS_INCLUDE_STB_VORBIS_H
//
// HEADER ENDS HERE
//
//////////////////////////////////////////////////////////////////////////////
#ifndef STB_VORBIS_HEADER_ONLY
// global configuration settings (e.g. set these in the project/makefile),
// or just set them in this file at the top (although ideally the first few
// should be visible when the header file is compiled too, although it's not
// crucial)
// STB_VORBIS_NO_PUSHDATA_API
// does not compile the code for the various stb_vorbis_*_pushdata()
// functions
// #define STB_VORBIS_NO_PUSHDATA_API
// STB_VORBIS_NO_PULLDATA_API
// does not compile the code for the non-pushdata APIs
// #define STB_VORBIS_NO_PULLDATA_API
// STB_VORBIS_NO_STDIO
// does not compile the code for the APIs that use FILE *s internally
// or externally (implied by STB_VORBIS_NO_PULLDATA_API)
// #define STB_VORBIS_NO_STDIO
// STB_VORBIS_NO_INTEGER_CONVERSION
// does not compile the code for converting audio sample data from
// float to integer (implied by STB_VORBIS_NO_PULLDATA_API)
// #define STB_VORBIS_NO_INTEGER_CONVERSION
// STB_VORBIS_NO_FAST_SCALED_FLOAT
// does not use a fast float-to-int trick to accelerate float-to-int on
// most platforms which requires endianness be defined correctly.
//#define STB_VORBIS_NO_FAST_SCALED_FLOAT
// STB_VORBIS_MAX_CHANNELS [number]
// globally define this to the maximum number of channels you need.
// The spec does not put a restriction on channels except that
// the count is stored in a byte, so 255 is the hard limit.
// Reducing this saves about 16 bytes per value, so using 16 saves
// (255-16)*16 or around 4KB. Plus anything other memory usage
// I forgot to account for. Can probably go as low as 8 (7.1 audio),
// 6 (5.1 audio), or 2 (stereo only).
#ifndef STB_VORBIS_MAX_CHANNELS
#define STB_VORBIS_MAX_CHANNELS 16 // enough for anyone?
#endif
// STB_VORBIS_PUSHDATA_CRC_COUNT [number]
// after a flush_pushdata(), stb_vorbis begins scanning for the
// next valid page, without backtracking. when it finds something
// that looks like a page, it streams through it and verifies its
// CRC32. Should that validation fail, it keeps scanning. But it's
// possible that _while_ streaming through to check the CRC32 of
// one candidate page, it sees another candidate page. This #define
// determines how many "overlapping" candidate pages it can search
// at once. Note that "real" pages are typically ~4KB to ~8KB, whereas
// garbage pages could be as big as 64KB, but probably average ~16KB.
// So don't hose ourselves by scanning an apparent 64KB page and
// missing a ton of real ones in the interim; so minimum of 2
#ifndef STB_VORBIS_PUSHDATA_CRC_COUNT
#define STB_VORBIS_PUSHDATA_CRC_COUNT 4
#endif
// STB_VORBIS_FAST_HUFFMAN_LENGTH [number]
// sets the log size of the huffman-acceleration table. Maximum
// supported value is 24. with larger numbers, more decodings are O(1),
// but the table size is larger so worse cache missing, so you'll have
// to probe (and try multiple ogg vorbis files) to find the sweet spot.
#ifndef STB_VORBIS_FAST_HUFFMAN_LENGTH
#define STB_VORBIS_FAST_HUFFMAN_LENGTH 10
#endif
// STB_VORBIS_FAST_BINARY_LENGTH [number]
// sets the log size of the binary-search acceleration table. this
// is used in similar fashion to the fast-huffman size to set initial
// parameters for the binary search
// STB_VORBIS_FAST_HUFFMAN_INT
// The fast huffman tables are much more efficient if they can be
// stored as 16-bit results instead of 32-bit results. This restricts
// the codebooks to having only 65535 possible outcomes, though.
// (At least, accelerated by the huffman table.)
#ifndef STB_VORBIS_FAST_HUFFMAN_INT
#define STB_VORBIS_FAST_HUFFMAN_SHORT
#endif
// STB_VORBIS_NO_HUFFMAN_BINARY_SEARCH
// If the 'fast huffman' search doesn't succeed, then stb_vorbis falls
// back on binary searching for the correct one. This requires storing
// extra tables with the huffman codes in sorted order. Defining this
// symbol trades off space for speed by forcing a linear search in the
// non-fast case, except for "sparse" codebooks.
// #define STB_VORBIS_NO_HUFFMAN_BINARY_SEARCH
// STB_VORBIS_DIVIDES_IN_RESIDUE
// stb_vorbis precomputes the result of the scalar residue decoding
// that would otherwise require a divide per chunk. you can trade off
// space for time by defining this symbol.
// #define STB_VORBIS_DIVIDES_IN_RESIDUE
// STB_VORBIS_DIVIDES_IN_CODEBOOK
// vorbis VQ codebooks can be encoded two ways: with every case explicitly
// stored, or with all elements being chosen from a small range of values,
// and all values possible in all elements. By default, stb_vorbis expands
// this latter kind out to look like the former kind for ease of decoding,
// because otherwise an integer divide-per-vector-element is required to
// unpack the index. If you define STB_VORBIS_DIVIDES_IN_CODEBOOK, you can
// trade off storage for speed.
//#define STB_VORBIS_DIVIDES_IN_CODEBOOK
// STB_VORBIS_CODEBOOK_SHORTS
// The vorbis file format encodes VQ codebook floats as ax+b where a and
// b are floating point per-codebook constants, and x is a 16-bit int.
// Normally, stb_vorbis decodes them to floats rather than leaving them
// as 16-bit ints and computing ax+b while decoding. This is a speed/space
// tradeoff; you can save space by defining this flag.
#ifndef STB_VORBIS_CODEBOOK_SHORTS
#define STB_VORBIS_CODEBOOK_FLOATS
#endif
// STB_VORBIS_DIVIDE_TABLE
// this replaces small integer divides in the floor decode loop with
// table lookups. made less than 1% difference, so disabled by default.
// STB_VORBIS_NO_INLINE_DECODE
// disables the inlining of the scalar codebook fast-huffman decode.
// might save a little codespace; useful for debugging
// #define STB_VORBIS_NO_INLINE_DECODE
// STB_VORBIS_NO_DEFER_FLOOR
// Normally we only decode the floor without synthesizing the actual
// full curve. We can instead synthesize the curve immediately. This
// requires more memory and is very likely slower, so I don't think
// you'd ever want to do it except for debugging.
// #define STB_VORBIS_NO_DEFER_FLOOR
//////////////////////////////////////////////////////////////////////////////
#ifdef STB_VORBIS_NO_PULLDATA_API
#define STB_VORBIS_NO_INTEGER_CONVERSION
#define STB_VORBIS_NO_STDIO
#endif
#if defined(STB_VORBIS_NO_CRT) && !defined(STB_VORBIS_NO_STDIO)
#define STB_VORBIS_NO_STDIO 1
#endif
#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
#ifndef STB_VORBIS_NO_FAST_SCALED_FLOAT
// only need endianness for fast-float-to-int, which we don't
// use for pushdata
#ifndef STB_VORBIS_BIG_ENDIAN
#define STB_VORBIS_ENDIAN 0
#else
#define STB_VORBIS_ENDIAN 1
#endif
#endif
#endif
#ifndef STB_VORBIS_NO_STDIO
#include <stdio.h>
#endif
#ifndef STB_VORBIS_NO_CRT
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <math.h>
#if !(defined(__APPLE__) || defined(MACOSX) || defined(macintosh) || defined(Macintosh))
#include <malloc.h>
#endif
#else
#define NULL 0
#endif
#ifndef _MSC_VER
#if __GNUC__
#define __forceinline inline
#else
#define __forceinline
#endif
#endif
#if STB_VORBIS_MAX_CHANNELS > 256
#error "Value of STB_VORBIS_MAX_CHANNELS outside of allowed range"
#endif
#if STB_VORBIS_FAST_HUFFMAN_LENGTH > 24
#error "Value of STB_VORBIS_FAST_HUFFMAN_LENGTH outside of allowed range"
#endif
#define MAX_BLOCKSIZE_LOG 13 // from specification
#define MAX_BLOCKSIZE (1 << MAX_BLOCKSIZE_LOG)
typedef unsigned char uint8;
typedef signed char int8;
typedef unsigned short uint16;
typedef signed short int16;
typedef unsigned int uint32;
typedef signed int int32;
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#ifdef STB_VORBIS_CODEBOOK_FLOATS
typedef float codetype;
#else
typedef uint16 codetype;
#endif
// @NOTE
//
// Some arrays below are tagged "//varies", which means it's actually
// a variable-sized piece of data, but rather than malloc I assume it's
// small enough it's better to just allocate it all together with the
// main thing
//
// Most of the variables are specified with the smallest size I could pack
// them into. It might give better performance to make them all full-sized
// integers. It should be safe to freely rearrange the structures or change
// the sizes larger--nothing relies on silently truncating etc., nor the
// order of variables.
#define FAST_HUFFMAN_TABLE_SIZE (1 << STB_VORBIS_FAST_HUFFMAN_LENGTH)
#define FAST_HUFFMAN_TABLE_MASK (FAST_HUFFMAN_TABLE_SIZE - 1)
typedef struct
{
int dimensions, entries;
uint8 *codeword_lengths;
float minimum_value;
float delta_value;
uint8 value_bits;
uint8 lookup_type;
uint8 sequence_p;
uint8 sparse;
uint32 lookup_values;
codetype *multiplicands;
uint32 *codewords;
#ifdef STB_VORBIS_FAST_HUFFMAN_SHORT
int16 fast_huffman[FAST_HUFFMAN_TABLE_SIZE];
#else
int32 fast_huffman[FAST_HUFFMAN_TABLE_SIZE];
#endif
uint32 *sorted_codewords;
int *sorted_values;
int sorted_entries;
} Codebook;
typedef struct
{
uint8 order;
uint16 rate;
uint16 bark_map_size;
uint8 amplitude_bits;
uint8 amplitude_offset;
uint8 number_of_books;
uint8 book_list[16]; // varies
} Floor0;
typedef struct
{
uint8 partitions;
uint8 partition_class_list[32]; // varies
uint8 class_dimensions[16]; // varies
uint8 class_subclasses[16]; // varies
uint8 class_masterbooks[16]; // varies
int16 subclass_books[16][8]; // varies
uint16 Xlist[31*8+2]; // varies
uint8 sorted_order[31*8+2];
uint8 neighbors[31*8+2][2];
uint8 floor1_multiplier;
uint8 rangebits;
int values;
} Floor1;
typedef union
{
Floor0 floor0;
Floor1 floor1;
} Floor;
typedef struct
{
uint32 begin, end;
uint32 part_size;
uint8 classifications;
uint8 classbook;
uint8 **classdata;
int16 (*residue_books)[8];
} Residue;
typedef struct
{
uint8 magnitude;
uint8 angle;
uint8 mux;
} MappingChannel;
typedef struct
{
uint16 coupling_steps;
MappingChannel *chan;
uint8 submaps;
uint8 submap_floor[15]; // varies
uint8 submap_residue[15]; // varies
} Mapping;
typedef struct
{
uint8 blockflag;
uint8 mapping;
uint16 windowtype;
uint16 transformtype;
} Mode;
typedef struct
{
uint32 goal_crc; // expected crc if match
int bytes_left; // bytes left in packet
uint32 crc_so_far; // running crc
int bytes_done; // bytes processed in _current_ chunk
uint32 sample_loc; // granule pos encoded in page
} CRCscan;
typedef struct
{
uint32 page_start, page_end;
uint32 after_previous_page_start;
uint32 first_decoded_sample;
uint32 last_decoded_sample;
} ProbedPage;
struct stb_vorbis
{
// user-accessible info
unsigned int sample_rate;
int channels;
unsigned int setup_memory_required;
unsigned int temp_memory_required;
unsigned int setup_temp_memory_required;
// input config
#ifndef STB_VORBIS_NO_STDIO
FILE *f;
uint32 f_start;
int close_on_free;
#endif
uint8 *stream;
uint8 *stream_start;
uint8 *stream_end;
uint32 stream_len;
uint8 push_mode;
uint32 first_audio_page_offset;
ProbedPage p_first, p_last;
// memory management
stb_vorbis_alloc alloc;
int setup_offset;
int temp_offset;
// run-time results
int eof;
enum STBVorbisError error;
// user-useful data
// header info
int blocksize[2];
int blocksize_0, blocksize_1;
int codebook_count;
Codebook *codebooks;
int floor_count;
uint16 floor_types[64]; // varies
Floor *floor_config;
int residue_count;
uint16 residue_types[64]; // varies
Residue *residue_config;
int mapping_count;
Mapping *mapping;
int mode_count;
Mode mode_config[64]; // varies
uint32 total_samples;
// decode buffer
float *channel_buffers[STB_VORBIS_MAX_CHANNELS];
float *outputs [STB_VORBIS_MAX_CHANNELS];
float *previous_window[STB_VORBIS_MAX_CHANNELS];
int previous_length;
#ifndef STB_VORBIS_NO_DEFER_FLOOR
int16 *finalY[STB_VORBIS_MAX_CHANNELS];
#else
float *floor_buffers[STB_VORBIS_MAX_CHANNELS];
#endif
uint32 current_loc; // sample location of next frame to decode
int current_loc_valid;
// per-blocksize precomputed data
// twiddle factors
float *A[2],*B[2],*C[2];
float *window[2];
uint16 *bit_reverse[2];
// current page/packet/segment streaming info
uint32 serial; // stream serial number for verification
int last_page;
int segment_count;
uint8 segments[255];
uint8 page_flag;
uint8 bytes_in_seg;
uint8 first_decode;
int next_seg;
int last_seg; // flag that we're on the last segment
int last_seg_which; // what was the segment number of the last seg?
uint32 acc;
int valid_bits;
int packet_bytes;
int end_seg_with_known_loc;
uint32 known_loc_for_packet;
int discard_samples_deferred;
uint32 samples_output;
// push mode scanning
int page_crc_tests; // only in push_mode: number of tests active; -1 if not searching
#ifndef STB_VORBIS_NO_PUSHDATA_API
CRCscan scan[STB_VORBIS_PUSHDATA_CRC_COUNT];
#endif
// sample-access
int channel_buffer_start;
int channel_buffer_end;
};
extern int my_prof(int slot);
//#define stb_prof my_prof
#ifndef stb_prof
#define stb_prof(x) ((void) 0)
#endif
#if defined(STB_VORBIS_NO_PUSHDATA_API)
#define IS_PUSH_MODE(f) FALSE
#elif defined(STB_VORBIS_NO_PULLDATA_API)
#define IS_PUSH_MODE(f) TRUE
#else
#define IS_PUSH_MODE(f) ((f)->push_mode)
#endif
typedef struct stb_vorbis vorb;
static int error(vorb *f, enum STBVorbisError e)
{
f->error = e;
if (!f->eof && e != VORBIS_need_more_data) {
f->error=e; // breakpoint for debugging
}
return 0;
}
// these functions are used for allocating temporary memory
// while decoding. if you can afford the stack space, use
// alloca(); otherwise, provide a temp buffer and it will
// allocate out of those.
#define array_size_required(count,size) (count*(sizeof(void *)+(size)))
#define temp_alloc(f,size) (f->alloc.alloc_buffer ? setup_temp_malloc(f,size) : alloca(size))
#ifdef dealloca
#define temp_free(f,p) (f->alloc.alloc_buffer ? 0 : dealloca(size))
#else
#define temp_free(f,p) 0
#endif
#define temp_alloc_save(f) ((f)->temp_offset)
#define temp_alloc_restore(f,p) ((f)->temp_offset = (p))
#define temp_block_array(f,count,size) make_block_array(temp_alloc(f,array_size_required(count,size)), count, size)
// given a sufficiently large block of memory, make an array of pointers to subblocks of it
static void *make_block_array(void *mem, int count, int size)
{
int i;
void ** p = (void **) mem;
char *q = (char *) (p + count);
for (i=0; i < count; ++i) {
p[i] = q;
q += size;
}
return p;
}
static void *setup_malloc(vorb *f, int sz)
{
sz = (sz+3) & ~3;
f->setup_memory_required += sz;
if (f->alloc.alloc_buffer) {
void *p = (char *) f->alloc.alloc_buffer + f->setup_offset;
if (f->setup_offset + sz > f->temp_offset) return NULL;
f->setup_offset += sz;
return p;
}
return sz ? malloc(sz) : NULL;
}
static void setup_free(vorb *f, void *p)
{
if (f->alloc.alloc_buffer) return; // do nothing; setup mem is not a stack
free(p);
}
static void *setup_temp_malloc(vorb *f, int sz)
{
sz = (sz+3) & ~3;
if (f->alloc.alloc_buffer) {
if (f->temp_offset - sz < f->setup_offset) return NULL;
f->temp_offset -= sz;
return (char *) f->alloc.alloc_buffer + f->temp_offset;
}
return malloc(sz);
}
static void setup_temp_free(vorb *f, void *p, int sz)
{
if (f->alloc.alloc_buffer) {
f->temp_offset += (sz+3)&~3;
return;
}
free(p);
}
#define CRC32_POLY 0x04c11db7 // from spec
static uint32 crc_table[256];
static void crc32_init(void)
{
int i,j;
uint32 s;
for(i=0; i < 256; i++) {
for (s=i<<24, j=0; j < 8; ++j)
s = (s << 1) ^ (s >= (1U<<31) ? CRC32_POLY : 0);
crc_table[i] = s;
}
}
static __forceinline uint32 crc32_update(uint32 crc, uint8 byte)
{
return (crc << 8) ^ crc_table[byte ^ (crc >> 24)];
}
// used in setup, and for huffman that doesn't go fast path
static unsigned int bit_reverse(unsigned int n)
{
n = ((n & 0xAAAAAAAA) >> 1) | ((n & 0x55555555) << 1);
n = ((n & 0xCCCCCCCC) >> 2) | ((n & 0x33333333) << 2);
n = ((n & 0xF0F0F0F0) >> 4) | ((n & 0x0F0F0F0F) << 4);
n = ((n & 0xFF00FF00) >> 8) | ((n & 0x00FF00FF) << 8);
return (n >> 16) | (n << 16);
}
static float square(float x)
{
return x*x;
}
// this is a weird definition of log2() for which log2(1) = 1, log2(2) = 2, log2(4) = 3
// as required by the specification. fast(?) implementation from stb.h
// @OPTIMIZE: called multiple times per-packet with "constants"; move to setup
static int ilog(int32 n)
{
static signed char log2_4[16] = { 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4 };
// 2 compares if n < 16, 3 compares otherwise (4 if signed or n > 1<<29)
if (n < (1 << 14))
if (n < (1 << 4)) return 0 + log2_4[n ];
else if (n < (1 << 9)) return 5 + log2_4[n >> 5];
else return 10 + log2_4[n >> 10];
else if (n < (1 << 24))
if (n < (1 << 19)) return 15 + log2_4[n >> 15];
else return 20 + log2_4[n >> 20];
else if (n < (1 << 29)) return 25 + log2_4[n >> 25];
else if (n < (1 << 31)) return 30 + log2_4[n >> 30];
else return 0; // signed n returns 0
}
#ifndef M_PI
#define M_PI 3.14159265358979323846264f // from CRC
#endif
// code length assigned to a value with no huffman encoding
#define NO_CODE 255
/////////////////////// LEAF SETUP FUNCTIONS //////////////////////////
//
// these functions are only called at setup, and only a few times
// per file
static float float32_unpack(uint32 x)
{
// from the specification
uint32 mantissa = x & 0x1fffff;
uint32 sign = x & 0x80000000;
uint32 exp = (x & 0x7fe00000) >> 21;
double res = sign ? -(double)mantissa : (double)mantissa;
return (float) ldexp((float)res, exp-788);
}
// zlib & jpeg huffman tables assume that the output symbols
// can either be arbitrarily arranged, or have monotonically
// increasing frequencies--they rely on the lengths being sorted;
// this makes for a very simple generation algorithm.
// vorbis allows a huffman table with non-sorted lengths. This
// requires a more sophisticated construction, since symbols in
// order do not map to huffman codes "in order".
static void add_entry(Codebook *c, uint32 huff_code, int symbol, int count, int len, uint32 *values)
{
if (!c->sparse) {
c->codewords [symbol] = huff_code;
} else {
c->codewords [count] = huff_code;
c->codeword_lengths[count] = len;
values [count] = symbol;
}
}
static int compute_codewords(Codebook *c, uint8 *len, int n, uint32 *values)
{
int i,k,m=0;
uint32 available[32];
memset(available, 0, sizeof(available));
// find the first entry
for (k=0; k < n; ++k) if (len[k] < NO_CODE) break;
if (k == n) { assert(c->sorted_entries == 0); return TRUE; }
// add to the list
add_entry(c, 0, k, m++, len[k], values);
// add all available leaves
for (i=1; i <= len[k]; ++i)
available[i] = 1 << (32-i);
// note that the above code treats the first case specially,
// but it's really the same as the following code, so they
// could probably be combined (except the initial code is 0,
// and I use 0 in available[] to mean 'empty')
for (i=k+1; i < n; ++i) {
uint32 res;
int z = len[i], y;
if (z == NO_CODE) continue;
// find lowest available leaf (should always be earliest,
// which is what the specification calls for)
// note that this property, and the fact we can never have
// more than one free leaf at a given level, isn't totally
// trivial to prove, but it seems true and the assert never
// fires, so!
while (z > 0 && !available[z]) --z;
if (z == 0) { assert(0); return FALSE; }
res = available[z];
available[z] = 0;
add_entry(c, bit_reverse(res), i, m++, len[i], values);
// propogate availability up the tree
if (z != len[i]) {
for (y=len[i]; y > z; --y) {
assert(available[y] == 0);
available[y] = res + (1 << (32-y));
}
}
}
return TRUE;
}
// accelerated huffman table allows fast O(1) match of all symbols
// of length <= STB_VORBIS_FAST_HUFFMAN_LENGTH
static void compute_accelerated_huffman(Codebook *c)
{
int i, len;
for (i=0; i < FAST_HUFFMAN_TABLE_SIZE; ++i)
c->fast_huffman[i] = -1;
len = c->sparse ? c->sorted_entries : c->entries;
#ifdef STB_VORBIS_FAST_HUFFMAN_SHORT
if (len > 32767) len = 32767; // largest possible value we can encode!
#endif
for (i=0; i < len; ++i) {
if (c->codeword_lengths[i] <= STB_VORBIS_FAST_HUFFMAN_LENGTH) {
uint32 z = c->sparse ? bit_reverse(c->sorted_codewords[i]) : c->codewords[i];
// set table entries for all bit combinations in the higher bits
while (z < FAST_HUFFMAN_TABLE_SIZE) {
c->fast_huffman[z] = i;
z += 1 << c->codeword_lengths[i];
}
}
}
}
#ifdef _MSC_VER
#define STBV_CDECL __cdecl
#else
#define STBV_CDECL
#endif
static int STBV_CDECL uint32_compare(const void *p, const void *q)
{
uint32 x = * (uint32 *) p;
uint32 y = * (uint32 *) q;
return x < y ? -1 : x > y;
}
static int include_in_sort(Codebook *c, uint8 len)
{
if (c->sparse) { assert(len != NO_CODE); return TRUE; }
if (len == NO_CODE) return FALSE;
if (len > STB_VORBIS_FAST_HUFFMAN_LENGTH) return TRUE;
return FALSE;
}
// if the fast table above doesn't work, we want to binary
// search them... need to reverse the bits
static void compute_sorted_huffman(Codebook *c, uint8 *lengths, uint32 *values)
{
int i, len;
// build a list of all the entries
// OPTIMIZATION: don't include the short ones, since they'll be caught by FAST_HUFFMAN.
// this is kind of a frivolous optimization--I don't see any performance improvement,
// but it's like 4 extra lines of code, so.
if (!c->sparse) {
int k = 0;
for (i=0; i < c->entries; ++i)
if (include_in_sort(c, lengths[i]))
c->sorted_codewords[k++] = bit_reverse(c->codewords[i]);
assert(k == c->sorted_entries);
} else {
for (i=0; i < c->sorted_entries; ++i)
c->sorted_codewords[i] = bit_reverse(c->codewords[i]);
}
qsort(c->sorted_codewords, c->sorted_entries, sizeof(c->sorted_codewords[0]), uint32_compare);
c->sorted_codewords[c->sorted_entries] = 0xffffffff;
len = c->sparse ? c->sorted_entries : c->entries;
// now we need to indicate how they correspond; we could either
// #1: sort a different data structure that says who they correspond to
// #2: for each sorted entry, search the original list to find who corresponds
// #3: for each original entry, find the sorted entry
// #1 requires extra storage, #2 is slow, #3 can use binary search!
for (i=0; i < len; ++i) {
int huff_len = c->sparse ? lengths[values[i]] : lengths[i];
if (include_in_sort(c,huff_len)) {
uint32 code = bit_reverse(c->codewords[i]);
int x=0, n=c->sorted_entries;
while (n > 1) {
// invariant: sc[x] <= code < sc[x+n]
int m = x + (n >> 1);
if (c->sorted_codewords[m] <= code) {
x = m;
n -= (n>>1);
} else {
n >>= 1;
}
}
assert(c->sorted_codewords[x] == code);
if (c->sparse) {
c->sorted_values[x] = values[i];
c->codeword_lengths[x] = huff_len;
} else {
c->sorted_values[x] = i;
}
}
}
}
// only run while parsing the header (3 times)
static int vorbis_validate(uint8 *data)
{
static uint8 vorbis[6] = { 'v', 'o', 'r', 'b', 'i', 's' };
return memcmp(data, vorbis, 6) == 0;
}
// called from setup only, once per code book
// (formula implied by specification)
static int lookup1_values(int entries, int dim)
{
int r = (int) floor(exp((float) log((float) entries) / dim));
if ((int) floor(pow((float) r+1, dim)) <= entries) // (int) cast for MinGW warning;
++r; // floor() to avoid _ftol() when non-CRT
assert(pow((float) r+1, dim) > entries);
assert((int) floor(pow((float) r, dim)) <= entries); // (int),floor() as above
return r;
}
// called twice per file
static void compute_twiddle_factors(int n, float *A, float *B, float *C)
{
int n4 = n >> 2, n8 = n >> 3;
int k,k2;
for (k=k2=0; k < n4; ++k,k2+=2) {
A[k2 ] = (float) cos(4*k*M_PI/n);
A[k2+1] = (float) -sin(4*k*M_PI/n);
B[k2 ] = (float) cos((k2+1)*M_PI/n/2) * 0.5f;
B[k2+1] = (float) sin((k2+1)*M_PI/n/2) * 0.5f;
}
for (k=k2=0; k < n8; ++k,k2+=2) {
C[k2 ] = (float) cos(2*(k2+1)*M_PI/n);
C[k2+1] = (float) -sin(2*(k2+1)*M_PI/n);
}
}
static void compute_window(int n, float *window)
{
int n2 = n >> 1, i;
for (i=0; i < n2; ++i)
window[i] = (float) sin(0.5 * M_PI * square((float) sin((i - 0 + 0.5) / n2 * 0.5 * M_PI)));
}
static void compute_bitreverse(int n, uint16 *rev)
{
int ld = ilog(n) - 1; // ilog is off-by-one from normal definitions
int i, n8 = n >> 3;
for (i=0; i < n8; ++i)
rev[i] = (bit_reverse(i) >> (32-ld+3)) << 2;
}
static int init_blocksize(vorb *f, int b, int n)
{
int n2 = n >> 1, n4 = n >> 2, n8 = n >> 3;
f->A[b] = (float *) setup_malloc(f, sizeof(float) * n2);
f->B[b] = (float *) setup_malloc(f, sizeof(float) * n2);
f->C[b] = (float *) setup_malloc(f, sizeof(float) * n4);
if (!f->A[b] || !f->B[b] || !f->C[b]) return error(f, VORBIS_outofmem);
compute_twiddle_factors(n, f->A[b], f->B[b], f->C[b]);
f->window[b] = (float *) setup_malloc(f, sizeof(float) * n2);
if (!f->window[b]) return error(f, VORBIS_outofmem);
compute_window(n, f->window[b]);
f->bit_reverse[b] = (uint16 *) setup_malloc(f, sizeof(uint16) * n8);
if (!f->bit_reverse[b]) return error(f, VORBIS_outofmem);
compute_bitreverse(n, f->bit_reverse[b]);
return TRUE;
}
static void neighbors(uint16 *x, int n, int *plow, int *phigh)
{
int low = -1;
int high = 65536;
int i;
for (i=0; i < n; ++i) {
if (x[i] > low && x[i] < x[n]) { *plow = i; low = x[i]; }
if (x[i] < high && x[i] > x[n]) { *phigh = i; high = x[i]; }
}
}
// this has been repurposed so y is now the original index instead of y
typedef struct
{
uint16 x,y;
} Point;
static int STBV_CDECL point_compare(const void *p, const void *q)
{
Point *a = (Point *) p;
Point *b = (Point *) q;
return a->x < b->x ? -1 : a->x > b->x;
}
//
/////////////////////// END LEAF SETUP FUNCTIONS //////////////////////////
#if defined(STB_VORBIS_NO_STDIO)
#define USE_MEMORY(z) TRUE
#else
#define USE_MEMORY(z) ((z)->stream)
#endif
static uint8 get8(vorb *z)
{
if (USE_MEMORY(z)) {
if (z->stream >= z->stream_end) { z->eof = TRUE; return 0; }
return *z->stream++;
}
#ifndef STB_VORBIS_NO_STDIO
{
int c = fgetc(z->f);
if (c == EOF) { z->eof = TRUE; return 0; }
return c;
}
#endif
}
static uint32 get32(vorb *f)
{
uint32 x;
x = get8(f);
x += get8(f) << 8;
x += get8(f) << 16;
x += get8(f) << 24;
return x;
}
static int getn(vorb *z, uint8 *data, int n)
{
if (USE_MEMORY(z)) {
if (z->stream+n > z->stream_end) { z->eof = 1; return 0; }
memcpy(data, z->stream, n);
z->stream += n;
return 1;
}
#ifndef STB_VORBIS_NO_STDIO
if (fread(data, n, 1, z->f) == 1)
return 1;
else {
z->eof = 1;
return 0;
}
#endif
}
static void skip(vorb *z, int n)
{
if (USE_MEMORY(z)) {
z->stream += n;
if (z->stream >= z->stream_end) z->eof = 1;
return;
}
#ifndef STB_VORBIS_NO_STDIO
{
long x = ftell(z->f);
fseek(z->f, x+n, SEEK_SET);
}
#endif
}
static int set_file_offset(stb_vorbis *f, unsigned int loc)
{
#ifndef STB_VORBIS_NO_PUSHDATA_API
if (f->push_mode) return 0;
#endif
f->eof = 0;
if (USE_MEMORY(f)) {
if (f->stream_start + loc >= f->stream_end || f->stream_start + loc < f->stream_start) {
f->stream = f->stream_end;
f->eof = 1;
return 0;
} else {
f->stream = f->stream_start + loc;
return 1;
}
}
#ifndef STB_VORBIS_NO_STDIO
if (loc + f->f_start < loc || loc >= 0x80000000) {
loc = 0x7fffffff;
f->eof = 1;
} else {
loc += f->f_start;
}
if (!fseek(f->f, loc, SEEK_SET))
return 1;
f->eof = 1;
fseek(f->f, f->f_start, SEEK_END);
return 0;
#endif
}
static uint8 ogg_page_header[4] = { 0x4f, 0x67, 0x67, 0x53 };
static int capture_pattern(vorb *f)
{
if (0x4f != get8(f)) return FALSE;
if (0x67 != get8(f)) return FALSE;
if (0x67 != get8(f)) return FALSE;
if (0x53 != get8(f)) return FALSE;
return TRUE;
}
#define PAGEFLAG_continued_packet 1
#define PAGEFLAG_first_page 2
#define PAGEFLAG_last_page 4
static int start_page_no_capturepattern(vorb *f)
{
uint32 loc0,loc1,n;
// stream structure version
if (0 != get8(f)) return error(f, VORBIS_invalid_stream_structure_version);
// header flag
f->page_flag = get8(f);
// absolute granule position
loc0 = get32(f);
loc1 = get32(f);
// @TODO: validate loc0,loc1 as valid positions?
// stream serial number -- vorbis doesn't interleave, so discard
get32(f);
//if (f->serial != get32(f)) return error(f, VORBIS_incorrect_stream_serial_number);
// page sequence number
n = get32(f);
f->last_page = n;
// CRC32
get32(f);
// page_segments
f->segment_count = get8(f);
if (!getn(f, f->segments, f->segment_count))
return error(f, VORBIS_unexpected_eof);
// assume we _don't_ know any the sample position of any segments
f->end_seg_with_known_loc = -2;
if (loc0 != ~0U || loc1 != ~0U) {
int i;
// determine which packet is the last one that will complete
for (i=f->segment_count-1; i >= 0; --i)
if (f->segments[i] < 255)
break;
// 'i' is now the index of the _last_ segment of a packet that ends
if (i >= 0) {
f->end_seg_with_known_loc = i;
f->known_loc_for_packet = loc0;
}
}
if (f->first_decode) {
int i,len;
ProbedPage p;
len = 0;
for (i=0; i < f->segment_count; ++i)
len += f->segments[i];
len += 27 + f->segment_count;
p.page_start = f->first_audio_page_offset;
p.page_end = p.page_start + len;
p.after_previous_page_start = p.page_start;
p.first_decoded_sample = 0;
p.last_decoded_sample = loc0;
f->p_first = p;
}
f->next_seg = 0;
return TRUE;
}
static int start_page(vorb *f)
{
if (!capture_pattern(f)) return error(f, VORBIS_missing_capture_pattern);
return start_page_no_capturepattern(f);
}
static int start_packet(vorb *f)
{
while (f->next_seg == -1) {
if (!start_page(f)) return FALSE;
if (f->page_flag & PAGEFLAG_continued_packet)
return error(f, VORBIS_continued_packet_flag_invalid);
}
f->last_seg = FALSE;
f->valid_bits = 0;
f->packet_bytes = 0;
f->bytes_in_seg = 0;
// f->next_seg is now valid
return TRUE;
}
static int maybe_start_packet(vorb *f)
{
if (f->next_seg == -1) {
int x = get8(f);
if (f->eof) return FALSE; // EOF at page boundary is not an error!
if (0x4f != x ) return error(f, VORBIS_missing_capture_pattern);
if (0x67 != get8(f)) return error(f, VORBIS_missing_capture_pattern);
if (0x67 != get8(f)) return error(f, VORBIS_missing_capture_pattern);
if (0x53 != get8(f)) return error(f, VORBIS_missing_capture_pattern);
if (!start_page_no_capturepattern(f)) return FALSE;
if (f->page_flag & PAGEFLAG_continued_packet) {
// set up enough state that we can read this packet if we want,
// e.g. during recovery
f->last_seg = FALSE;
f->bytes_in_seg = 0;
return error(f, VORBIS_continued_packet_flag_invalid);
}
}
return start_packet(f);
}
static int next_segment(vorb *f)
{
int len;
if (f->last_seg) return 0;
if (f->next_seg == -1) {
f->last_seg_which = f->segment_count-1; // in case start_page fails
if (!start_page(f)) { f->last_seg = 1; return 0; }
if (!(f->page_flag & PAGEFLAG_continued_packet)) return error(f, VORBIS_continued_packet_flag_invalid);
}
len = f->segments[f->next_seg++];
if (len < 255) {
f->last_seg = TRUE;
f->last_seg_which = f->next_seg-1;
}
if (f->next_seg >= f->segment_count)
f->next_seg = -1;
assert(f->bytes_in_seg == 0);
f->bytes_in_seg = len;
return len;
}
#define EOP (-1)
#define INVALID_BITS (-1)
static int get8_packet_raw(vorb *f)
{
if (!f->bytes_in_seg) { // CLANG!
if (f->last_seg) return EOP;
else if (!next_segment(f)) return EOP;
}
assert(f->bytes_in_seg > 0);
--f->bytes_in_seg;
++f->packet_bytes;
return get8(f);
}
static int get8_packet(vorb *f)
{
int x = get8_packet_raw(f);
f->valid_bits = 0;
return x;
}
static void flush_packet(vorb *f)
{
while (get8_packet_raw(f) != EOP);
}
// @OPTIMIZE: this is the secondary bit decoder, so it's probably not as important
// as the huffman decoder?
static uint32 get_bits(vorb *f, int n)
{
uint32 z;
if (f->valid_bits < 0) return 0;
if (f->valid_bits < n) {
if (n > 24) {
// the accumulator technique below would not work correctly in this case
z = get_bits(f, 24);
z += get_bits(f, n-24) << 24;
return z;
}
if (f->valid_bits == 0) f->acc = 0;
while (f->valid_bits < n) {
int z = get8_packet_raw(f);
if (z == EOP) {
f->valid_bits = INVALID_BITS;
return 0;
}
f->acc += z << f->valid_bits;
f->valid_bits += 8;
}
}
if (f->valid_bits < 0) return 0;
z = f->acc & ((1 << n)-1);
f->acc >>= n;
f->valid_bits -= n;
return z;
}
// @OPTIMIZE: primary accumulator for huffman
// expand the buffer to as many bits as possible without reading off end of packet
// it might be nice to allow f->valid_bits and f->acc to be stored in registers,
// e.g. cache them locally and decode locally
static __forceinline void prep_huffman(vorb *f)
{
if (f->valid_bits <= 24) {
if (f->valid_bits == 0) f->acc = 0;
do {
int z;
if (f->last_seg && !f->bytes_in_seg) return;
z = get8_packet_raw(f);
if (z == EOP) return;
f->acc += z << f->valid_bits;
f->valid_bits += 8;
} while (f->valid_bits <= 24);
}
}
enum
{
VORBIS_packet_id = 1,
VORBIS_packet_comment = 3,
VORBIS_packet_setup = 5,
};
static int codebook_decode_scalar_raw(vorb *f, Codebook *c)
{
int i;
prep_huffman(f);
assert(c->sorted_codewords || c->codewords);
// cases to use binary search: sorted_codewords && !c->codewords
// sorted_codewords && c->entries > 8
if (c->entries > 8 ? c->sorted_codewords!=NULL : !c->codewords) {
// binary search
uint32 code = bit_reverse(f->acc);
int x=0, n=c->sorted_entries, len;
while (n > 1) {
// invariant: sc[x] <= code < sc[x+n]
int m = x + (n >> 1);
if (c->sorted_codewords[m] <= code) {
x = m;
n -= (n>>1);
} else {
n >>= 1;
}
}
// x is now the sorted index
if (!c->sparse) x = c->sorted_values[x];
// x is now sorted index if sparse, or symbol otherwise
len = c->codeword_lengths[x];
if (f->valid_bits >= len) {
f->acc >>= len;
f->valid_bits -= len;
return x;
}
f->valid_bits = 0;
return -1;
}
// if small, linear search
assert(!c->sparse);
for (i=0; i < c->entries; ++i) {
if (c->codeword_lengths[i] == NO_CODE) continue;
if (c->codewords[i] == (f->acc & ((1 << c->codeword_lengths[i])-1))) {
if (f->valid_bits >= c->codeword_lengths[i]) {
f->acc >>= c->codeword_lengths[i];
f->valid_bits -= c->codeword_lengths[i];
return i;
}
f->valid_bits = 0;
return -1;
}
}
error(f, VORBIS_invalid_stream);
f->valid_bits = 0;
return -1;
}
#ifndef STB_VORBIS_NO_INLINE_DECODE
#define DECODE_RAW(var, f,c) \
if (f->valid_bits < STB_VORBIS_FAST_HUFFMAN_LENGTH) \
prep_huffman(f); \
var = f->acc & FAST_HUFFMAN_TABLE_MASK; \
var = c->fast_huffman[var]; \
if (var >= 0) { \
int n = c->codeword_lengths[var]; \
f->acc >>= n; \
f->valid_bits -= n; \
if (f->valid_bits < 0) { f->valid_bits = 0; var = -1; } \
} else { \
var = codebook_decode_scalar_raw(f,c); \
}
#else
static int codebook_decode_scalar(vorb *f, Codebook *c)
{
int i;
if (f->valid_bits < STB_VORBIS_FAST_HUFFMAN_LENGTH)
prep_huffman(f);
// fast huffman table lookup
i = f->acc & FAST_HUFFMAN_TABLE_MASK;
i = c->fast_huffman[i];
if (i >= 0) {
f->acc >>= c->codeword_lengths[i];
f->valid_bits -= c->codeword_lengths[i];
if (f->valid_bits < 0) { f->valid_bits = 0; return -1; }
return i;
}
return codebook_decode_scalar_raw(f,c);
}
#define DECODE_RAW(var,f,c) var = codebook_decode_scalar(f,c);
#endif
#define DECODE(var,f,c) \
DECODE_RAW(var,f,c) \
if (c->sparse) var = c->sorted_values[var];
#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
#define DECODE_VQ(var,f,c) DECODE_RAW(var,f,c)
#else
#define DECODE_VQ(var,f,c) DECODE(var,f,c)
#endif
// CODEBOOK_ELEMENT_FAST is an optimization for the CODEBOOK_FLOATS case
// where we avoid one addition
#ifndef STB_VORBIS_CODEBOOK_FLOATS
#define CODEBOOK_ELEMENT(c,off) (c->multiplicands[off] * c->delta_value + c->minimum_value)
#define CODEBOOK_ELEMENT_FAST(c,off) (c->multiplicands[off] * c->delta_value)
#define CODEBOOK_ELEMENT_BASE(c) (c->minimum_value)
#else
#define CODEBOOK_ELEMENT(c,off) (c->multiplicands[off])
#define CODEBOOK_ELEMENT_FAST(c,off) (c->multiplicands[off])
#define CODEBOOK_ELEMENT_BASE(c) (0)
#endif
static int codebook_decode_start(vorb *f, Codebook *c)
{
int z = -1;
// type 0 is only legal in a scalar context
if (c->lookup_type == 0)
error(f, VORBIS_invalid_stream);
else {
DECODE_VQ(z,f,c);
if (c->sparse) assert(z < c->sorted_entries);
if (z < 0) { // check for EOP
if (!f->bytes_in_seg)
if (f->last_seg)
return z;
error(f, VORBIS_invalid_stream);
}
}
return z;
}
static int codebook_decode(vorb *f, Codebook *c, float *output, int len)
{
int i,z = codebook_decode_start(f,c);
if (z < 0) return FALSE;
if (len > c->dimensions) len = c->dimensions;
#ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
if (c->lookup_type == 1) {
float last = CODEBOOK_ELEMENT_BASE(c);
int div = 1;
for (i=0; i < len; ++i) {
int off = (z / div) % c->lookup_values;
float val = CODEBOOK_ELEMENT_FAST(c,off) + last;
output[i] += val;
if (c->sequence_p) last = val + c->minimum_value;
div *= c->lookup_values;
}
return TRUE;
}
#endif
z *= c->dimensions;
if (c->sequence_p) {
float last = CODEBOOK_ELEMENT_BASE(c);
for (i=0; i < len; ++i) {
float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
output[i] += val;
last = val + c->minimum_value;
}
} else {
float last = CODEBOOK_ELEMENT_BASE(c);
for (i=0; i < len; ++i) {
output[i] += CODEBOOK_ELEMENT_FAST(c,z+i) + last;
}
}
return TRUE;
}
static int codebook_decode_step(vorb *f, Codebook *c, float *output, int len, int step)
{
int i,z = codebook_decode_start(f,c);
float last = CODEBOOK_ELEMENT_BASE(c);
if (z < 0) return FALSE;
if (len > c->dimensions) len = c->dimensions;
#ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
if (c->lookup_type == 1) {
int div = 1;
for (i=0; i < len; ++i) {
int off = (z / div) % c->lookup_values;
float val = CODEBOOK_ELEMENT_FAST(c,off) + last;
output[i*step] += val;
if (c->sequence_p) last = val;
div *= c->lookup_values;
}
return TRUE;
}
#endif
z *= c->dimensions;
for (i=0; i < len; ++i) {
float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
output[i*step] += val;
if (c->sequence_p) last = val;
}
return TRUE;
}
static int codebook_decode_deinterleave_repeat(vorb *f, Codebook *c, float **outputs, int ch, int *c_inter_p, int *p_inter_p, int len, int total_decode)
{
int c_inter = *c_inter_p;
int p_inter = *p_inter_p;
int i,z, effective = c->dimensions;
// type 0 is only legal in a scalar context
if (c->lookup_type == 0) return error(f, VORBIS_invalid_stream);
while (total_decode > 0) {
float last = CODEBOOK_ELEMENT_BASE(c);
DECODE_VQ(z,f,c);
#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
assert(!c->sparse || z < c->sorted_entries);
#endif
if (z < 0) {
if (!f->bytes_in_seg)
if (f->last_seg) return FALSE;
return error(f, VORBIS_invalid_stream);
}
// if this will take us off the end of the buffers, stop short!
// we check by computing the length of the virtual interleaved
// buffer (len*ch), our current offset within it (p_inter*ch)+(c_inter),
// and the length we'll be using (effective)
if (c_inter + p_inter*ch + effective > len * ch) {
effective = len*ch - (p_inter*ch - c_inter);
}
#ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
if (c->lookup_type == 1) {
int div = 1;
for (i=0; i < effective; ++i) {
int off = (z / div) % c->lookup_values;
float val = CODEBOOK_ELEMENT_FAST(c,off) + last;
if (outputs[c_inter])
outputs[c_inter][p_inter] += val;
if (++c_inter == ch) { c_inter = 0; ++p_inter; }
if (c->sequence_p) last = val;
div *= c->lookup_values;
}
} else
#endif
{
z *= c->dimensions;
if (c->sequence_p) {
for (i=0; i < effective; ++i) {
float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
if (outputs[c_inter])
outputs[c_inter][p_inter] += val;
if (++c_inter == ch) { c_inter = 0; ++p_inter; }
last = val;
}
} else {
for (i=0; i < effective; ++i) {
float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
if (outputs[c_inter])
outputs[c_inter][p_inter] += val;
if (++c_inter == ch) { c_inter = 0; ++p_inter; }
}
}
}
total_decode -= effective;
}
*c_inter_p = c_inter;
*p_inter_p = p_inter;
return TRUE;
}
#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
static int codebook_decode_deinterleave_repeat_2(vorb *f, Codebook *c, float **outputs, int *c_inter_p, int *p_inter_p, int len, int total_decode)
{
int c_inter = *c_inter_p;
int p_inter = *p_inter_p;
int i,z, effective = c->dimensions;
// type 0 is only legal in a scalar context
if (c->lookup_type == 0) return error(f, VORBIS_invalid_stream);
while (total_decode > 0) {
float last = CODEBOOK_ELEMENT_BASE(c);
DECODE_VQ(z,f,c);
if (z < 0) {
if (!f->bytes_in_seg)
if (f->last_seg) return FALSE;
return error(f, VORBIS_invalid_stream);
}
// if this will take us off the end of the buffers, stop short!
// we check by computing the length of the virtual interleaved
// buffer (len*ch), our current offset within it (p_inter*ch)+(c_inter),
// and the length we'll be using (effective)
if (c_inter + p_inter*2 + effective > len * 2) {
effective = len*2 - (p_inter*2 - c_inter);
}
{
z *= c->dimensions;
stb_prof(11);
if (c->sequence_p) {
// haven't optimized this case because I don't have any examples
for (i=0; i < effective; ++i) {
float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
if (outputs[c_inter])
outputs[c_inter][p_inter] += val;
if (++c_inter == 2) { c_inter = 0; ++p_inter; }
last = val;
}
} else {
i=0;
if (c_inter == 1) {
float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
if (outputs[c_inter])
outputs[c_inter][p_inter] += val;
c_inter = 0; ++p_inter;
++i;
}
{
float *z0 = outputs[0];
float *z1 = outputs[1];
for (; i+1 < effective;) {
float v0 = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
float v1 = CODEBOOK_ELEMENT_FAST(c,z+i+1) + last;
if (z0)
z0[p_inter] += v0;
if (z1)
z1[p_inter] += v1;
++p_inter;
i += 2;
}
}
if (i < effective) {
float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
if (outputs[c_inter])
outputs[c_inter][p_inter] += val;
if (++c_inter == 2) { c_inter = 0; ++p_inter; }
}
}
}
total_decode -= effective;
}
*c_inter_p = c_inter;
*p_inter_p = p_inter;
return TRUE;
}
#endif
static int predict_point(int x, int x0, int x1, int y0, int y1)
{
int dy = y1 - y0;
int adx = x1 - x0;
// @OPTIMIZE: force int division to round in the right direction... is this necessary on x86?
int err = abs(dy) * (x - x0);
int off = err / adx;
return dy < 0 ? y0 - off : y0 + off;
}
// the following table is block-copied from the specification
static float inverse_db_table[256] =
{
1.0649863e-07f, 1.1341951e-07f, 1.2079015e-07f, 1.2863978e-07f,
1.3699951e-07f, 1.4590251e-07f, 1.5538408e-07f, 1.6548181e-07f,
1.7623575e-07f, 1.8768855e-07f, 1.9988561e-07f, 2.1287530e-07f,
2.2670913e-07f, 2.4144197e-07f, 2.5713223e-07f, 2.7384213e-07f,
2.9163793e-07f, 3.1059021e-07f, 3.3077411e-07f, 3.5226968e-07f,
3.7516214e-07f, 3.9954229e-07f, 4.2550680e-07f, 4.5315863e-07f,
4.8260743e-07f, 5.1396998e-07f, 5.4737065e-07f, 5.8294187e-07f,
6.2082472e-07f, 6.6116941e-07f, 7.0413592e-07f, 7.4989464e-07f,
7.9862701e-07f, 8.5052630e-07f, 9.0579828e-07f, 9.6466216e-07f,
1.0273513e-06f, 1.0941144e-06f, 1.1652161e-06f, 1.2409384e-06f,
1.3215816e-06f, 1.4074654e-06f, 1.4989305e-06f, 1.5963394e-06f,
1.7000785e-06f, 1.8105592e-06f, 1.9282195e-06f, 2.0535261e-06f,
2.1869758e-06f, 2.3290978e-06f, 2.4804557e-06f, 2.6416497e-06f,
2.8133190e-06f, 2.9961443e-06f, 3.1908506e-06f, 3.3982101e-06f,
3.6190449e-06f, 3.8542308e-06f, 4.1047004e-06f, 4.3714470e-06f,
4.6555282e-06f, 4.9580707e-06f, 5.2802740e-06f, 5.6234160e-06f,
5.9888572e-06f, 6.3780469e-06f, 6.7925283e-06f, 7.2339451e-06f,
7.7040476e-06f, 8.2047000e-06f, 8.7378876e-06f, 9.3057248e-06f,
9.9104632e-06f, 1.0554501e-05f, 1.1240392e-05f, 1.1970856e-05f,
1.2748789e-05f, 1.3577278e-05f, 1.4459606e-05f, 1.5399272e-05f,
1.6400004e-05f, 1.7465768e-05f, 1.8600792e-05f, 1.9809576e-05f,
2.1096914e-05f, 2.2467911e-05f, 2.3928002e-05f, 2.5482978e-05f,
2.7139006e-05f, 2.8902651e-05f, 3.0780908e-05f, 3.2781225e-05f,
3.4911534e-05f, 3.7180282e-05f, 3.9596466e-05f, 4.2169667e-05f,
4.4910090e-05f, 4.7828601e-05f, 5.0936773e-05f, 5.4246931e-05f,
5.7772202e-05f, 6.1526565e-05f, 6.5524908e-05f, 6.9783085e-05f,
7.4317983e-05f, 7.9147585e-05f, 8.4291040e-05f, 8.9768747e-05f,
9.5602426e-05f, 0.00010181521f, 0.00010843174f, 0.00011547824f,
0.00012298267f, 0.00013097477f, 0.00013948625f, 0.00014855085f,
0.00015820453f, 0.00016848555f, 0.00017943469f, 0.00019109536f,
0.00020351382f, 0.00021673929f, 0.00023082423f, 0.00024582449f,
0.00026179955f, 0.00027881276f, 0.00029693158f, 0.00031622787f,
0.00033677814f, 0.00035866388f, 0.00038197188f, 0.00040679456f,
0.00043323036f, 0.00046138411f, 0.00049136745f, 0.00052329927f,
0.00055730621f, 0.00059352311f, 0.00063209358f, 0.00067317058f,
0.00071691700f, 0.00076350630f, 0.00081312324f, 0.00086596457f,
0.00092223983f, 0.00098217216f, 0.0010459992f, 0.0011139742f,
0.0011863665f, 0.0012634633f, 0.0013455702f, 0.0014330129f,
0.0015261382f, 0.0016253153f, 0.0017309374f, 0.0018434235f,
0.0019632195f, 0.0020908006f, 0.0022266726f, 0.0023713743f,
0.0025254795f, 0.0026895994f, 0.0028643847f, 0.0030505286f,
0.0032487691f, 0.0034598925f, 0.0036847358f, 0.0039241906f,
0.0041792066f, 0.0044507950f, 0.0047400328f, 0.0050480668f,
0.0053761186f, 0.0057254891f, 0.0060975636f, 0.0064938176f,
0.0069158225f, 0.0073652516f, 0.0078438871f, 0.0083536271f,
0.0088964928f, 0.009474637f, 0.010090352f, 0.010746080f,
0.011444421f, 0.012188144f, 0.012980198f, 0.013823725f,
0.014722068f, 0.015678791f, 0.016697687f, 0.017782797f,
0.018938423f, 0.020169149f, 0.021479854f, 0.022875735f,
0.024362330f, 0.025945531f, 0.027631618f, 0.029427276f,
0.031339626f, 0.033376252f, 0.035545228f, 0.037855157f,
0.040315199f, 0.042935108f, 0.045725273f, 0.048696758f,
0.051861348f, 0.055231591f, 0.058820850f, 0.062643361f,
0.066714279f, 0.071049749f, 0.075666962f, 0.080584227f,
0.085821044f, 0.091398179f, 0.097337747f, 0.10366330f,
0.11039993f, 0.11757434f, 0.12521498f, 0.13335215f,
0.14201813f, 0.15124727f, 0.16107617f, 0.17154380f,
0.18269168f, 0.19456402f, 0.20720788f, 0.22067342f,
0.23501402f, 0.25028656f, 0.26655159f, 0.28387361f,
0.30232132f, 0.32196786f, 0.34289114f, 0.36517414f,
0.38890521f, 0.41417847f, 0.44109412f, 0.46975890f,
0.50028648f, 0.53279791f, 0.56742212f, 0.60429640f,
0.64356699f, 0.68538959f, 0.72993007f, 0.77736504f,
0.82788260f, 0.88168307f, 0.9389798f, 1.0f
};
// @OPTIMIZE: if you want to replace this bresenham line-drawing routine,
// note that you must produce bit-identical output to decode correctly;
// this specific sequence of operations is specified in the spec (it's
// drawing integer-quantized frequency-space lines that the encoder
// expects to be exactly the same)
// ... also, isn't the whole point of Bresenham's algorithm to NOT
// have to divide in the setup? sigh.
#ifndef STB_VORBIS_NO_DEFER_FLOOR
#define LINE_OP(a,b) a *= b
#else
#define LINE_OP(a,b) a = b
#endif
#ifdef STB_VORBIS_DIVIDE_TABLE
#define DIVTAB_NUMER 32
#define DIVTAB_DENOM 64
int8 integer_divide_table[DIVTAB_NUMER][DIVTAB_DENOM]; // 2KB
#endif
static __forceinline void draw_line(float *output, int x0, int y0, int x1, int y1, int n)
{
int dy = y1 - y0;
int adx = x1 - x0;
int ady = abs(dy);
int base;
int x=x0,y=y0;
int err = 0;
int sy;
#ifdef STB_VORBIS_DIVIDE_TABLE
if (adx < DIVTAB_DENOM && ady < DIVTAB_NUMER) {
if (dy < 0) {
base = -integer_divide_table[ady][adx];
sy = base-1;
} else {
base = integer_divide_table[ady][adx];
sy = base+1;
}
} else {
base = dy / adx;
if (dy < 0)
sy = base - 1;
else
sy = base+1;
}
#else
base = dy / adx;
if (dy < 0)
sy = base - 1;
else
sy = base+1;
#endif
ady -= abs(base) * adx;
if (x1 > n) x1 = n;
LINE_OP(output[x], inverse_db_table[y]);
for (++x; x < x1; ++x) {
err += ady;
if (err >= adx) {
err -= adx;
y += sy;
} else
y += base;
LINE_OP(output[x], inverse_db_table[y]);
}
}
static int residue_decode(vorb *f, Codebook *book, float *target, int offset, int n, int rtype)
{
int k;
if (rtype == 0) {
int step = n / book->dimensions;
for (k=0; k < step; ++k)
if (!codebook_decode_step(f, book, target+offset+k, n-offset-k, step))
return FALSE;
} else {
for (k=0; k < n; ) {
if (!codebook_decode(f, book, target+offset, n-k))
return FALSE;
k += book->dimensions;
offset += book->dimensions;
}
}
return TRUE;
}
static void decode_residue(vorb *f, float *residue_buffers[], int ch, int n, int rn, uint8 *do_not_decode)
{
int i,j,pass;
Residue *r = f->residue_config + rn;
int rtype = f->residue_types[rn];
int c = r->classbook;
int classwords = f->codebooks[c].dimensions;
int n_read = r->end - r->begin;
int part_read = n_read / r->part_size;
int temp_alloc_point = temp_alloc_save(f);
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
uint8 ***part_classdata = (uint8 ***) temp_block_array(f,f->channels, part_read * sizeof(**part_classdata));
#else
int **classifications = (int **) temp_block_array(f,f->channels, part_read * sizeof(**classifications));
#endif
stb_prof(2);
for (i=0; i < ch; ++i)
if (!do_not_decode[i])
memset(residue_buffers[i], 0, sizeof(float) * n);
if (rtype == 2 && ch != 1) {
for (j=0; j < ch; ++j)
if (!do_not_decode[j])
break;
if (j == ch)
goto done;
stb_prof(3);
for (pass=0; pass < 8; ++pass) {
int pcount = 0, class_set = 0;
if (ch == 2) {
stb_prof(13);
while (pcount < part_read) {
int z = r->begin + pcount*r->part_size;
int c_inter = (z & 1), p_inter = z>>1;
if (pass == 0) {
Codebook *c = f->codebooks+r->classbook;
int q;
DECODE(q,f,c);
if (q == EOP) goto done;
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
part_classdata[0][class_set] = r->classdata[q];
#else
for (i=classwords-1; i >= 0; --i) {
classifications[0][i+pcount] = q % r->classifications;
q /= r->classifications;
}
#endif
}
stb_prof(5);
for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
int z = r->begin + pcount*r->part_size;
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
int c = part_classdata[0][class_set][i];
#else
int c = classifications[0][pcount];
#endif
int b = r->residue_books[c][pass];
if (b >= 0) {
Codebook *book = f->codebooks + b;
stb_prof(20); // accounts for X time
#ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
if (!codebook_decode_deinterleave_repeat(f, book, residue_buffers, ch, &c_inter, &p_inter, n, r->part_size))
goto done;
#else
// saves 1%
if (!codebook_decode_deinterleave_repeat_2(f, book, residue_buffers, &c_inter, &p_inter, n, r->part_size))
goto done;
#endif
stb_prof(7);
} else {
z += r->part_size;
c_inter = z & 1;
p_inter = z >> 1;
}
}
stb_prof(8);
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
++class_set;
#endif
}
} else if (ch == 1) {
while (pcount < part_read) {
int z = r->begin + pcount*r->part_size;
int c_inter = 0, p_inter = z;
if (pass == 0) {
Codebook *c = f->codebooks+r->classbook;
int q;
DECODE(q,f,c);
if (q == EOP) goto done;
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
part_classdata[0][class_set] = r->classdata[q];
#else
for (i=classwords-1; i >= 0; --i) {
classifications[0][i+pcount] = q % r->classifications;
q /= r->classifications;
}
#endif
}
for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
int z = r->begin + pcount*r->part_size;
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
int c = part_classdata[0][class_set][i];
#else
int c = classifications[0][pcount];
#endif
int b = r->residue_books[c][pass];
if (b >= 0) {
Codebook *book = f->codebooks + b;
stb_prof(22);
if (!codebook_decode_deinterleave_repeat(f, book, residue_buffers, ch, &c_inter, &p_inter, n, r->part_size))
goto done;
stb_prof(3);
} else {
z += r->part_size;
c_inter = 0;
p_inter = z;
}
}
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
++class_set;
#endif
}
} else {
while (pcount < part_read) {
int z = r->begin + pcount*r->part_size;
int c_inter = z % ch, p_inter = z/ch;
if (pass == 0) {
Codebook *c = f->codebooks+r->classbook;
int q;
DECODE(q,f,c);
if (q == EOP) goto done;
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
part_classdata[0][class_set] = r->classdata[q];
#else
for (i=classwords-1; i >= 0; --i) {
classifications[0][i+pcount] = q % r->classifications;
q /= r->classifications;
}
#endif
}
for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
int z = r->begin + pcount*r->part_size;
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
int c = part_classdata[0][class_set][i];
#else
int c = classifications[0][pcount];
#endif
int b = r->residue_books[c][pass];
if (b >= 0) {
Codebook *book = f->codebooks + b;
stb_prof(22);
if (!codebook_decode_deinterleave_repeat(f, book, residue_buffers, ch, &c_inter, &p_inter, n, r->part_size))
goto done;
stb_prof(3);
} else {
z += r->part_size;
c_inter = z % ch;
p_inter = z / ch;
}
}
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
++class_set;
#endif
}
}
}
goto done;
}
stb_prof(9);
for (pass=0; pass < 8; ++pass) {
int pcount = 0, class_set=0;
while (pcount < part_read) {
if (pass == 0) {
for (j=0; j < ch; ++j) {
if (!do_not_decode[j]) {
Codebook *c = f->codebooks+r->classbook;
int temp;
DECODE(temp,f,c);
if (temp == EOP) goto done;
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
part_classdata[j][class_set] = r->classdata[temp];
#else
for (i=classwords-1; i >= 0; --i) {
classifications[j][i+pcount] = temp % r->classifications;
temp /= r->classifications;
}
#endif
}
}
}
for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
for (j=0; j < ch; ++j) {
if (!do_not_decode[j]) {
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
int c = part_classdata[j][class_set][i];
#else
int c = classifications[j][pcount];
#endif
int b = r->residue_books[c][pass];
if (b >= 0) {
float *target = residue_buffers[j];
int offset = r->begin + pcount * r->part_size;
int n = r->part_size;
Codebook *book = f->codebooks + b;
if (!residue_decode(f, book, target, offset, n, rtype))
goto done;
}
}
}
}
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
++class_set;
#endif
}
}
done:
stb_prof(0);
temp_alloc_restore(f,temp_alloc_point);
}
#if 0
// slow way for debugging
void inverse_mdct_slow(float *buffer, int n)
{
int i,j;
int n2 = n >> 1;
float *x = (float *) malloc(sizeof(*x) * n2);
memcpy(x, buffer, sizeof(*x) * n2);
for (i=0; i < n; ++i) {
float acc = 0;
for (j=0; j < n2; ++j)
// formula from paper:
//acc += n/4.0f * x[j] * (float) cos(M_PI / 2 / n * (2 * i + 1 + n/2.0)*(2*j+1));
// formula from wikipedia
//acc += 2.0f / n2 * x[j] * (float) cos(M_PI/n2 * (i + 0.5 + n2/2)*(j + 0.5));
// these are equivalent, except the formula from the paper inverts the multiplier!
// however, what actually works is NO MULTIPLIER!?!
//acc += 64 * 2.0f / n2 * x[j] * (float) cos(M_PI/n2 * (i + 0.5 + n2/2)*(j + 0.5));
acc += x[j] * (float) cos(M_PI / 2 / n * (2 * i + 1 + n/2.0)*(2*j+1));
buffer[i] = acc;
}
free(x);
}
#elif 0
// same as above, but just barely able to run in real time on modern machines
void inverse_mdct_slow(float *buffer, int n, vorb *f, int blocktype)
{
float mcos[16384];
int i,j;
int n2 = n >> 1, nmask = (n << 2) -1;
float *x = (float *) malloc(sizeof(*x) * n2);
memcpy(x, buffer, sizeof(*x) * n2);
for (i=0; i < 4*n; ++i)
mcos[i] = (float) cos(M_PI / 2 * i / n);
for (i=0; i < n; ++i) {
float acc = 0;
for (j=0; j < n2; ++j)
acc += x[j] * mcos[(2 * i + 1 + n2)*(2*j+1) & nmask];
buffer[i] = acc;
}
free(x);
}
#elif 0
// transform to use a slow dct-iv; this is STILL basically trivial,
// but only requires half as many ops
void dct_iv_slow(float *buffer, int n)
{
float mcos[16384];
float x[2048];
int i,j;
int n2 = n >> 1, nmask = (n << 3) - 1;
memcpy(x, buffer, sizeof(*x) * n);
for (i=0; i < 8*n; ++i)
mcos[i] = (float) cos(M_PI / 4 * i / n);
for (i=0; i < n; ++i) {
float acc = 0;
for (j=0; j < n; ++j)
acc += x[j] * mcos[((2 * i + 1)*(2*j+1)) & nmask];
buffer[i] = acc;
}
}
void inverse_mdct_slow(float *buffer, int n, vorb *f, int blocktype)
{
int i, n4 = n >> 2, n2 = n >> 1, n3_4 = n - n4;
float temp[4096];
memcpy(temp, buffer, n2 * sizeof(float));
dct_iv_slow(temp, n2); // returns -c'-d, a-b'
for (i=0; i < n4 ; ++i) buffer[i] = temp[i+n4]; // a-b'
for ( ; i < n3_4; ++i) buffer[i] = -temp[n3_4 - i - 1]; // b-a', c+d'
for ( ; i < n ; ++i) buffer[i] = -temp[i - n3_4]; // c'+d
}
#endif
#ifndef LIBVORBIS_MDCT
#define LIBVORBIS_MDCT 0
#endif
#if LIBVORBIS_MDCT
// directly call the vorbis MDCT using an interface documented
// by Jeff Roberts... useful for performance comparison
typedef struct
{
int n;
int log2n;
float *trig;
int *bitrev;
float scale;
} mdct_lookup;
extern void mdct_init(mdct_lookup *lookup, int n);
extern void mdct_clear(mdct_lookup *l);
extern void mdct_backward(mdct_lookup *init, float *in, float *out);
mdct_lookup M1,M2;
void inverse_mdct(float *buffer, int n, vorb *f, int blocktype)
{
mdct_lookup *M;
if (M1.n == n) M = &M1;
else if (M2.n == n) M = &M2;
else if (M1.n == 0) { mdct_init(&M1, n); M = &M1; }
else {
if (M2.n) __asm int 3;
mdct_init(&M2, n);
M = &M2;
}
mdct_backward(M, buffer, buffer);
}
#endif
// the following were split out into separate functions while optimizing;
// they could be pushed back up but eh. __forceinline showed no change;
// they're probably already being inlined.
static void imdct_step3_iter0_loop(int n, float *e, int i_off, int k_off, float *A)
{
float *ee0 = e + i_off;
float *ee2 = ee0 + k_off;
int i;
assert((n & 3) == 0);
for (i=(n>>2); i > 0; --i) {
float k00_20, k01_21;
k00_20 = ee0[ 0] - ee2[ 0];
k01_21 = ee0[-1] - ee2[-1];
ee0[ 0] += ee2[ 0];//ee0[ 0] = ee0[ 0] + ee2[ 0];
ee0[-1] += ee2[-1];//ee0[-1] = ee0[-1] + ee2[-1];
ee2[ 0] = k00_20 * A[0] - k01_21 * A[1];
ee2[-1] = k01_21 * A[0] + k00_20 * A[1];
A += 8;
k00_20 = ee0[-2] - ee2[-2];
k01_21 = ee0[-3] - ee2[-3];
ee0[-2] += ee2[-2];//ee0[-2] = ee0[-2] + ee2[-2];
ee0[-3] += ee2[-3];//ee0[-3] = ee0[-3] + ee2[-3];
ee2[-2] = k00_20 * A[0] - k01_21 * A[1];
ee2[-3] = k01_21 * A[0] + k00_20 * A[1];
A += 8;
k00_20 = ee0[-4] - ee2[-4];
k01_21 = ee0[-5] - ee2[-5];
ee0[-4] += ee2[-4];//ee0[-4] = ee0[-4] + ee2[-4];
ee0[-5] += ee2[-5];//ee0[-5] = ee0[-5] + ee2[-5];
ee2[-4] = k00_20 * A[0] - k01_21 * A[1];
ee2[-5] = k01_21 * A[0] + k00_20 * A[1];
A += 8;
k00_20 = ee0[-6] - ee2[-6];
k01_21 = ee0[-7] - ee2[-7];
ee0[-6] += ee2[-6];//ee0[-6] = ee0[-6] + ee2[-6];
ee0[-7] += ee2[-7];//ee0[-7] = ee0[-7] + ee2[-7];
ee2[-6] = k00_20 * A[0] - k01_21 * A[1];
ee2[-7] = k01_21 * A[0] + k00_20 * A[1];
A += 8;
ee0 -= 8;
ee2 -= 8;
}
}
static void imdct_step3_inner_r_loop(int lim, float *e, int d0, int k_off, float *A, int k1)
{
int i;
float k00_20, k01_21;
float *e0 = e + d0;
float *e2 = e0 + k_off;
for (i=lim >> 2; i > 0; --i) {
k00_20 = e0[-0] - e2[-0];
k01_21 = e0[-1] - e2[-1];
e0[-0] += e2[-0];//e0[-0] = e0[-0] + e2[-0];
e0[-1] += e2[-1];//e0[-1] = e0[-1] + e2[-1];
e2[-0] = (k00_20)*A[0] - (k01_21) * A[1];
e2[-1] = (k01_21)*A[0] + (k00_20) * A[1];
A += k1;
k00_20 = e0[-2] - e2[-2];
k01_21 = e0[-3] - e2[-3];
e0[-2] += e2[-2];//e0[-2] = e0[-2] + e2[-2];
e0[-3] += e2[-3];//e0[-3] = e0[-3] + e2[-3];
e2[-2] = (k00_20)*A[0] - (k01_21) * A[1];
e2[-3] = (k01_21)*A[0] + (k00_20) * A[1];
A += k1;
k00_20 = e0[-4] - e2[-4];
k01_21 = e0[-5] - e2[-5];
e0[-4] += e2[-4];//e0[-4] = e0[-4] + e2[-4];
e0[-5] += e2[-5];//e0[-5] = e0[-5] + e2[-5];
e2[-4] = (k00_20)*A[0] - (k01_21) * A[1];
e2[-5] = (k01_21)*A[0] + (k00_20) * A[1];
A += k1;
k00_20 = e0[-6] - e2[-6];
k01_21 = e0[-7] - e2[-7];
e0[-6] += e2[-6];//e0[-6] = e0[-6] + e2[-6];
e0[-7] += e2[-7];//e0[-7] = e0[-7] + e2[-7];
e2[-6] = (k00_20)*A[0] - (k01_21) * A[1];
e2[-7] = (k01_21)*A[0] + (k00_20) * A[1];
e0 -= 8;
e2 -= 8;
A += k1;
}
}
static void imdct_step3_inner_s_loop(int n, float *e, int i_off, int k_off, float *A, int a_off, int k0)
{
int i;
float A0 = A[0];
float A1 = A[0+1];
float A2 = A[0+a_off];
float A3 = A[0+a_off+1];
float A4 = A[0+a_off*2+0];
float A5 = A[0+a_off*2+1];
float A6 = A[0+a_off*3+0];
float A7 = A[0+a_off*3+1];
float k00,k11;
float *ee0 = e +i_off;
float *ee2 = ee0+k_off;
for (i=n; i > 0; --i) {
k00 = ee0[ 0] - ee2[ 0];
k11 = ee0[-1] - ee2[-1];
ee0[ 0] = ee0[ 0] + ee2[ 0];
ee0[-1] = ee0[-1] + ee2[-1];
ee2[ 0] = (k00) * A0 - (k11) * A1;
ee2[-1] = (k11) * A0 + (k00) * A1;
k00 = ee0[-2] - ee2[-2];
k11 = ee0[-3] - ee2[-3];
ee0[-2] = ee0[-2] + ee2[-2];
ee0[-3] = ee0[-3] + ee2[-3];
ee2[-2] = (k00) * A2 - (k11) * A3;
ee2[-3] = (k11) * A2 + (k00) * A3;
k00 = ee0[-4] - ee2[-4];
k11 = ee0[-5] - ee2[-5];
ee0[-4] = ee0[-4] + ee2[-4];
ee0[-5] = ee0[-5] + ee2[-5];
ee2[-4] = (k00) * A4 - (k11) * A5;
ee2[-5] = (k11) * A4 + (k00) * A5;
k00 = ee0[-6] - ee2[-6];
k11 = ee0[-7] - ee2[-7];
ee0[-6] = ee0[-6] + ee2[-6];
ee0[-7] = ee0[-7] + ee2[-7];
ee2[-6] = (k00) * A6 - (k11) * A7;
ee2[-7] = (k11) * A6 + (k00) * A7;
ee0 -= k0;
ee2 -= k0;
}
}
static __forceinline void iter_54(float *z)
{
float k00,k11,k22,k33;
float y0,y1,y2,y3;
k00 = z[ 0] - z[-4];
y0 = z[ 0] + z[-4];
y2 = z[-2] + z[-6];
k22 = z[-2] - z[-6];
z[-0] = y0 + y2; // z0 + z4 + z2 + z6
z[-2] = y0 - y2; // z0 + z4 - z2 - z6
// done with y0,y2
k33 = z[-3] - z[-7];
z[-4] = k00 + k33; // z0 - z4 + z3 - z7
z[-6] = k00 - k33; // z0 - z4 - z3 + z7
// done with k33
k11 = z[-1] - z[-5];
y1 = z[-1] + z[-5];
y3 = z[-3] + z[-7];
z[-1] = y1 + y3; // z1 + z5 + z3 + z7
z[-3] = y1 - y3; // z1 + z5 - z3 - z7
z[-5] = k11 - k22; // z1 - z5 + z2 - z6
z[-7] = k11 + k22; // z1 - z5 - z2 + z6
}
static void imdct_step3_inner_s_loop_ld654(int n, float *e, int i_off, float *A, int base_n)
{
int a_off = base_n >> 3;
float A2 = A[0+a_off];
float *z = e + i_off;
float *base = z - 16 * n;
while (z > base) {
float k00,k11;
k00 = z[-0] - z[-8];
k11 = z[-1] - z[-9];
z[-0] = z[-0] + z[-8];
z[-1] = z[-1] + z[-9];
z[-8] = k00;
z[-9] = k11 ;
k00 = z[ -2] - z[-10];
k11 = z[ -3] - z[-11];
z[ -2] = z[ -2] + z[-10];
z[ -3] = z[ -3] + z[-11];
z[-10] = (k00+k11) * A2;
z[-11] = (k11-k00) * A2;
k00 = z[-12] - z[ -4]; // reverse to avoid a unary negation
k11 = z[ -5] - z[-13];
z[ -4] = z[ -4] + z[-12];
z[ -5] = z[ -5] + z[-13];
z[-12] = k11;
z[-13] = k00;
k00 = z[-14] - z[ -6]; // reverse to avoid a unary negation
k11 = z[ -7] - z[-15];
z[ -6] = z[ -6] + z[-14];
z[ -7] = z[ -7] + z[-15];
z[-14] = (k00+k11) * A2;
z[-15] = (k00-k11) * A2;
iter_54(z);
iter_54(z-8);
z -= 16;
}
}
static void inverse_mdct(float *buffer, int n, vorb *f, int blocktype)
{
int n2 = n >> 1, n4 = n >> 2, n8 = n >> 3, l;
int ld;
// @OPTIMIZE: reduce register pressure by using fewer variables?
int save_point = temp_alloc_save(f);
float *buf2 = (float *) temp_alloc(f, n2 * sizeof(*buf2));
float *u=NULL,*v=NULL;
// twiddle factors
float *A = f->A[blocktype];
// IMDCT algorithm from "The use of multirate filter banks for coding of high quality digital audio"
// See notes about bugs in that paper in less-optimal implementation 'inverse_mdct_old' after this function.
// kernel from paper
// merged:
// copy and reflect spectral data
// step 0
// note that it turns out that the items added together during
// this step are, in fact, being added to themselves (as reflected
// by step 0). inexplicable inefficiency! this became obvious
// once I combined the passes.
// so there's a missing 'times 2' here (for adding X to itself).
// this propogates through linearly to the end, where the numbers
// are 1/2 too small, and need to be compensated for.
{
float *d,*e, *AA, *e_stop;
d = &buf2[n2-2];
AA = A;
e = &buffer[0];
e_stop = &buffer[n2];
while (e != e_stop) {
d[1] = (e[0] * AA[0] - e[2]*AA[1]);
d[0] = (e[0] * AA[1] + e[2]*AA[0]);
d -= 2;
AA += 2;
e += 4;
}
e = &buffer[n2-3];
while (d >= buf2) {
d[1] = (-e[2] * AA[0] - -e[0]*AA[1]);
d[0] = (-e[2] * AA[1] + -e[0]*AA[0]);
d -= 2;
AA += 2;
e -= 4;
}
}
// now we use symbolic names for these, so that we can
// possibly swap their meaning as we change which operations
// are in place
u = buffer;
v = buf2;
// step 2 (paper output is w, now u)
// this could be in place, but the data ends up in the wrong
// place... _somebody_'s got to swap it, so this is nominated
{
float *AA = &A[n2-8];
float *d0,*d1, *e0, *e1;
e0 = &v[n4];
e1 = &v[0];
d0 = &u[n4];
d1 = &u[0];
while (AA >= A) {
float v40_20, v41_21;
v41_21 = e0[1] - e1[1];
v40_20 = e0[0] - e1[0];
d0[1] = e0[1] + e1[1];
d0[0] = e0[0] + e1[0];
d1[1] = v41_21*AA[4] - v40_20*AA[5];
d1[0] = v40_20*AA[4] + v41_21*AA[5];
v41_21 = e0[3] - e1[3];
v40_20 = e0[2] - e1[2];
d0[3] = e0[3] + e1[3];
d0[2] = e0[2] + e1[2];
d1[3] = v41_21*AA[0] - v40_20*AA[1];
d1[2] = v40_20*AA[0] + v41_21*AA[1];
AA -= 8;
d0 += 4;
d1 += 4;
e0 += 4;
e1 += 4;
}
}
// step 3
ld = ilog(n) - 1; // ilog is off-by-one from normal definitions
// optimized step 3:
// the original step3 loop can be nested r inside s or s inside r;
// it's written originally as s inside r, but this is dumb when r
// iterates many times, and s few. So I have two copies of it and
// switch between them halfway.
// this is iteration 0 of step 3
imdct_step3_iter0_loop(n >> 4, u, n2-1-n4*0, -(n >> 3), A);
imdct_step3_iter0_loop(n >> 4, u, n2-1-n4*1, -(n >> 3), A);
// this is iteration 1 of step 3
imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*0, -(n >> 4), A, 16);
imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*1, -(n >> 4), A, 16);
imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*2, -(n >> 4), A, 16);
imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*3, -(n >> 4), A, 16);
l=2;
for (; l < (ld-3)>>1; ++l) {
int k0 = n >> (l+2), k0_2 = k0>>1;
int lim = 1 << (l+1);
int i;
for (i=0; i < lim; ++i)
imdct_step3_inner_r_loop(n >> (l+4), u, n2-1 - k0*i, -k0_2, A, 1 << (l+3));
}
for (; l < ld-6; ++l) {
int k0 = n >> (l+2), k1 = 1 << (l+3), k0_2 = k0>>1;
int rlim = n >> (l+6), r;
int lim = 1 << (l+1);
int i_off;
float *A0 = A;
i_off = n2-1;
for (r=rlim; r > 0; --r) {
imdct_step3_inner_s_loop(lim, u, i_off, -k0_2, A0, k1, k0);
A0 += k1*4;
i_off -= 8;
}
}
// iterations with count:
// ld-6,-5,-4 all interleaved together
// the big win comes from getting rid of needless flops
// due to the constants on pass 5 & 4 being all 1 and 0;
// combining them to be simultaneous to improve cache made little difference
imdct_step3_inner_s_loop_ld654(n >> 5, u, n2-1, A, n);
// output is u
// step 4, 5, and 6
// cannot be in-place because of step 5
{
uint16 *bitrev = f->bit_reverse[blocktype];
// weirdly, I'd have thought reading sequentially and writing
// erratically would have been better than vice-versa, but in
// fact that's not what my testing showed. (That is, with
// j = bitreverse(i), do you read i and write j, or read j and write i.)
float *d0 = &v[n4-4];
float *d1 = &v[n2-4];
while (d0 >= v) {
int k4;
k4 = bitrev[0];
d1[3] = u[k4+0];
d1[2] = u[k4+1];
d0[3] = u[k4+2];
d0[2] = u[k4+3];
k4 = bitrev[1];
d1[1] = u[k4+0];
d1[0] = u[k4+1];
d0[1] = u[k4+2];
d0[0] = u[k4+3];
d0 -= 4;
d1 -= 4;
bitrev += 2;
}
}
// (paper output is u, now v)
// data must be in buf2
assert(v == buf2);
// step 7 (paper output is v, now v)
// this is now in place
{
float *C = f->C[blocktype];
float *d, *e;
d = v;
e = v + n2 - 4;
while (d < e) {
float a02,a11,b0,b1,b2,b3;
a02 = d[0] - e[2];
a11 = d[1] + e[3];
b0 = C[1]*a02 + C[0]*a11;
b1 = C[1]*a11 - C[0]*a02;
b2 = d[0] + e[ 2];
b3 = d[1] - e[ 3];
d[0] = b2 + b0;
d[1] = b3 + b1;
e[2] = b2 - b0;
e[3] = b1 - b3;
a02 = d[2] - e[0];
a11 = d[3] + e[1];
b0 = C[3]*a02 + C[2]*a11;
b1 = C[3]*a11 - C[2]*a02;
b2 = d[2] + e[ 0];
b3 = d[3] - e[ 1];
d[2] = b2 + b0;
d[3] = b3 + b1;
e[0] = b2 - b0;
e[1] = b1 - b3;
C += 4;
d += 4;
e -= 4;
}
}
// data must be in buf2
// step 8+decode (paper output is X, now buffer)
// this generates pairs of data a la 8 and pushes them directly through
// the decode kernel (pushing rather than pulling) to avoid having
// to make another pass later
// this cannot POSSIBLY be in place, so we refer to the buffers directly
{
float *d0,*d1,*d2,*d3;
float *B = f->B[blocktype] + n2 - 8;
float *e = buf2 + n2 - 8;
d0 = &buffer[0];
d1 = &buffer[n2-4];
d2 = &buffer[n2];
d3 = &buffer[n-4];
while (e >= v) {
float p0,p1,p2,p3;
p3 = e[6]*B[7] - e[7]*B[6];
p2 = -e[6]*B[6] - e[7]*B[7];
d0[0] = p3;
d1[3] = - p3;
d2[0] = p2;
d3[3] = p2;
p1 = e[4]*B[5] - e[5]*B[4];
p0 = -e[4]*B[4] - e[5]*B[5];
d0[1] = p1;
d1[2] = - p1;
d2[1] = p0;
d3[2] = p0;
p3 = e[2]*B[3] - e[3]*B[2];
p2 = -e[2]*B[2] - e[3]*B[3];
d0[2] = p3;
d1[1] = - p3;
d2[2] = p2;
d3[1] = p2;
p1 = e[0]*B[1] - e[1]*B[0];
p0 = -e[0]*B[0] - e[1]*B[1];
d0[3] = p1;
d1[0] = - p1;
d2[3] = p0;
d3[0] = p0;
B -= 8;
e -= 8;
d0 += 4;
d2 += 4;
d1 -= 4;
d3 -= 4;
}
}
temp_alloc_restore(f,save_point);
}
#if 0
// this is the original version of the above code, if you want to optimize it from scratch
void inverse_mdct_naive(float *buffer, int n)
{
float s;
float A[1 << 12], B[1 << 12], C[1 << 11];
int i,k,k2,k4, n2 = n >> 1, n4 = n >> 2, n8 = n >> 3, l;
int n3_4 = n - n4, ld;
// how can they claim this only uses N words?!
// oh, because they're only used sparsely, whoops
float u[1 << 13], X[1 << 13], v[1 << 13], w[1 << 13];
// set up twiddle factors
for (k=k2=0; k < n4; ++k,k2+=2) {
A[k2 ] = (float) cos(4*k*M_PI/n);
A[k2+1] = (float) -sin(4*k*M_PI/n);
B[k2 ] = (float) cos((k2+1)*M_PI/n/2);
B[k2+1] = (float) sin((k2+1)*M_PI/n/2);
}
for (k=k2=0; k < n8; ++k,k2+=2) {
C[k2 ] = (float) cos(2*(k2+1)*M_PI/n);
C[k2+1] = (float) -sin(2*(k2+1)*M_PI/n);
}
// IMDCT algorithm from "The use of multirate filter banks for coding of high quality digital audio"
// Note there are bugs in that pseudocode, presumably due to them attempting
// to rename the arrays nicely rather than representing the way their actual
// implementation bounces buffers back and forth. As a result, even in the
// "some formulars corrected" version, a direct implementation fails. These
// are noted below as "paper bug".
// copy and reflect spectral data
for (k=0; k < n2; ++k) u[k] = buffer[k];
for ( ; k < n ; ++k) u[k] = -buffer[n - k - 1];
// kernel from paper
// step 1
for (k=k2=k4=0; k < n4; k+=1, k2+=2, k4+=4) {
v[n-k4-1] = (u[k4] - u[n-k4-1]) * A[k2] - (u[k4+2] - u[n-k4-3])*A[k2+1];
v[n-k4-3] = (u[k4] - u[n-k4-1]) * A[k2+1] + (u[k4+2] - u[n-k4-3])*A[k2];
}
// step 2
for (k=k4=0; k < n8; k+=1, k4+=4) {
w[n2+3+k4] = v[n2+3+k4] + v[k4+3];
w[n2+1+k4] = v[n2+1+k4] + v[k4+1];
w[k4+3] = (v[n2+3+k4] - v[k4+3])*A[n2-4-k4] - (v[n2+1+k4]-v[k4+1])*A[n2-3-k4];
w[k4+1] = (v[n2+1+k4] - v[k4+1])*A[n2-4-k4] + (v[n2+3+k4]-v[k4+3])*A[n2-3-k4];
}
// step 3
ld = ilog(n) - 1; // ilog is off-by-one from normal definitions
for (l=0; l < ld-3; ++l) {
int k0 = n >> (l+2), k1 = 1 << (l+3);
int rlim = n >> (l+4), r4, r;
int s2lim = 1 << (l+2), s2;
for (r=r4=0; r < rlim; r4+=4,++r) {
for (s2=0; s2 < s2lim; s2+=2) {
u[n-1-k0*s2-r4] = w[n-1-k0*s2-r4] + w[n-1-k0*(s2+1)-r4];
u[n-3-k0*s2-r4] = w[n-3-k0*s2-r4] + w[n-3-k0*(s2+1)-r4];
u[n-1-k0*(s2+1)-r4] = (w[n-1-k0*s2-r4] - w[n-1-k0*(s2+1)-r4]) * A[r*k1]
- (w[n-3-k0*s2-r4] - w[n-3-k0*(s2+1)-r4]) * A[r*k1+1];
u[n-3-k0*(s2+1)-r4] = (w[n-3-k0*s2-r4] - w[n-3-k0*(s2+1)-r4]) * A[r*k1]
+ (w[n-1-k0*s2-r4] - w[n-1-k0*(s2+1)-r4]) * A[r*k1+1];
}
}
if (l+1 < ld-3) {
// paper bug: ping-ponging of u&w here is omitted
memcpy(w, u, sizeof(u));
}
}
// step 4
for (i=0; i < n8; ++i) {
int j = bit_reverse(i) >> (32-ld+3);
assert(j < n8);
if (i == j) {
// paper bug: original code probably swapped in place; if copying,
// need to directly copy in this case
int i8 = i << 3;
v[i8+1] = u[i8+1];
v[i8+3] = u[i8+3];
v[i8+5] = u[i8+5];
v[i8+7] = u[i8+7];
} else if (i < j) {
int i8 = i << 3, j8 = j << 3;
v[j8+1] = u[i8+1], v[i8+1] = u[j8 + 1];
v[j8+3] = u[i8+3], v[i8+3] = u[j8 + 3];
v[j8+5] = u[i8+5], v[i8+5] = u[j8 + 5];
v[j8+7] = u[i8+7], v[i8+7] = u[j8 + 7];
}
}
// step 5
for (k=0; k < n2; ++k) {
w[k] = v[k*2+1];
}
// step 6
for (k=k2=k4=0; k < n8; ++k, k2 += 2, k4 += 4) {
u[n-1-k2] = w[k4];
u[n-2-k2] = w[k4+1];
u[n3_4 - 1 - k2] = w[k4+2];
u[n3_4 - 2 - k2] = w[k4+3];
}
// step 7
for (k=k2=0; k < n8; ++k, k2 += 2) {
v[n2 + k2 ] = ( u[n2 + k2] + u[n-2-k2] + C[k2+1]*(u[n2+k2]-u[n-2-k2]) + C[k2]*(u[n2+k2+1]+u[n-2-k2+1]))/2;
v[n-2 - k2] = ( u[n2 + k2] + u[n-2-k2] - C[k2+1]*(u[n2+k2]-u[n-2-k2]) - C[k2]*(u[n2+k2+1]+u[n-2-k2+1]))/2;
v[n2+1+ k2] = ( u[n2+1+k2] - u[n-1-k2] + C[k2+1]*(u[n2+1+k2]+u[n-1-k2]) - C[k2]*(u[n2+k2]-u[n-2-k2]))/2;
v[n-1 - k2] = (-u[n2+1+k2] + u[n-1-k2] + C[k2+1]*(u[n2+1+k2]+u[n-1-k2]) - C[k2]*(u[n2+k2]-u[n-2-k2]))/2;
}
// step 8
for (k=k2=0; k < n4; ++k,k2 += 2) {
X[k] = v[k2+n2]*B[k2 ] + v[k2+1+n2]*B[k2+1];
X[n2-1-k] = v[k2+n2]*B[k2+1] - v[k2+1+n2]*B[k2 ];
}
// decode kernel to output
// determined the following value experimentally
// (by first figuring out what made inverse_mdct_slow work); then matching that here
// (probably vorbis encoder premultiplies by n or n/2, to save it on the decoder?)
s = 0.5; // theoretically would be n4
// [[[ note! the s value of 0.5 is compensated for by the B[] in the current code,
// so it needs to use the "old" B values to behave correctly, or else
// set s to 1.0 ]]]
for (i=0; i < n4 ; ++i) buffer[i] = s * X[i+n4];
for ( ; i < n3_4; ++i) buffer[i] = -s * X[n3_4 - i - 1];
for ( ; i < n ; ++i) buffer[i] = -s * X[i - n3_4];
}
#endif
static float *get_window(vorb *f, int len)
{
len <<= 1;
if (len == f->blocksize_0) return f->window[0];
if (len == f->blocksize_1) return f->window[1];
assert(0);
return NULL;
}
#ifndef STB_VORBIS_NO_DEFER_FLOOR
typedef int16 YTYPE;
#else
typedef int YTYPE;
#endif
static int do_floor(vorb *f, Mapping *map, int i, int n, float *target, YTYPE *finalY, uint8 *step2_flag)
{
(void) step2_flag;
int n2 = n >> 1;
int s = map->chan[i].mux, floor;
floor = map->submap_floor[s];
if (f->floor_types[floor] == 0) {
return error(f, VORBIS_invalid_stream);
} else {
Floor1 *g = &f->floor_config[floor].floor1;
int j,q;
int lx = 0, ly = finalY[0] * g->floor1_multiplier;
for (q=1; q < g->values; ++q) {
j = g->sorted_order[q];
#ifndef STB_VORBIS_NO_DEFER_FLOOR
if (finalY[j] >= 0)
#else
if (step2_flag[j])
#endif
{
int hy = finalY[j] * g->floor1_multiplier;
int hx = g->Xlist[j];
draw_line(target, lx,ly, hx,hy, n2);
lx = hx, ly = hy;
}
}
if (lx < n2)
// optimization of: draw_line(target, lx,ly, n,ly, n2);
for (j=lx; j < n2; ++j)
LINE_OP(target[j], inverse_db_table[ly]);
}
return TRUE;
}
static int vorbis_decode_initial(vorb *f, int *p_left_start, int *p_left_end, int *p_right_start, int *p_right_end, int *mode)
{
Mode *m;
int i, n, prev, next, window_center;
f->channel_buffer_start = f->channel_buffer_end = 0;
retry:
if (f->eof) return FALSE;
if (!maybe_start_packet(f))
return FALSE;
// check packet type
if (get_bits(f,1) != 0) {
if (IS_PUSH_MODE(f))
return error(f,VORBIS_bad_packet_type);
while (EOP != get8_packet(f));
goto retry;
}
if (f->alloc.alloc_buffer)
assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
i = get_bits(f, ilog(f->mode_count-1));
if (i == EOP) return FALSE;
if (i >= f->mode_count) return FALSE;
*mode = i;
m = f->mode_config + i;
if (m->blockflag) {
n = f->blocksize_1;
prev = get_bits(f,1);
next = get_bits(f,1);
} else {
prev = next = 0;
n = f->blocksize_0;
}
// WINDOWING
window_center = n >> 1;
if (m->blockflag && !prev) {
*p_left_start = (n - f->blocksize_0) >> 2;
*p_left_end = (n + f->blocksize_0) >> 2;
} else {
*p_left_start = 0;
*p_left_end = window_center;
}
if (m->blockflag && !next) {
*p_right_start = (n*3 - f->blocksize_0) >> 2;
*p_right_end = (n*3 + f->blocksize_0) >> 2;
} else {
*p_right_start = window_center;
*p_right_end = n;
}
return TRUE;
}
static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start, int left_end, int right_start, int right_end, int *p_left)
{
(void) left_end;
Mapping *map;
int i,j,k,n,n2;
int zero_channel[256];
int really_zero_channel[256];
// WINDOWING
n = f->blocksize[m->blockflag];
map = &f->mapping[m->mapping];
// FLOORS
n2 = n >> 1;
stb_prof(1);
for (i=0; i < f->channels; ++i) {
int s = map->chan[i].mux, floor;
zero_channel[i] = FALSE;
floor = map->submap_floor[s];
if (f->floor_types[floor] == 0) {
return error(f, VORBIS_invalid_stream);
} else {
Floor1 *g = &f->floor_config[floor].floor1;
if (get_bits(f, 1)) {
short *finalY;
uint8 step2_flag[256];
static int range_list[4] = { 256, 128, 86, 64 };
int range = range_list[g->floor1_multiplier-1];
int offset = 2;
finalY = f->finalY[i];
finalY[0] = get_bits(f, ilog(range)-1);
finalY[1] = get_bits(f, ilog(range)-1);
for (j=0; j < g->partitions; ++j) {
int pclass = g->partition_class_list[j];
int cdim = g->class_dimensions[pclass];
int cbits = g->class_subclasses[pclass];
int csub = (1 << cbits)-1;
int cval = 0;
if (cbits) {
Codebook *c = f->codebooks + g->class_masterbooks[pclass];
DECODE(cval,f,c);
}
for (k=0; k < cdim; ++k) {
int book = g->subclass_books[pclass][cval & csub];
cval = cval >> cbits;
if (book >= 0) {
int temp;
Codebook *c = f->codebooks + book;
DECODE(temp,f,c);
finalY[offset++] = temp;
} else
finalY[offset++] = 0;
}
}
if (f->valid_bits == INVALID_BITS) goto error; // behavior according to spec
step2_flag[0] = step2_flag[1] = 1;
for (j=2; j < g->values; ++j) {
int low, high, pred, highroom, lowroom, room, val;
low = g->neighbors[j][0];
high = g->neighbors[j][1];
//neighbors(g->Xlist, j, &low, &high);
pred = predict_point(g->Xlist[j], g->Xlist[low], g->Xlist[high], finalY[low], finalY[high]);
val = finalY[j];
highroom = range - pred;
lowroom = pred;
if (highroom < lowroom)
room = highroom * 2;
else
room = lowroom * 2;
if (val) {
step2_flag[low] = step2_flag[high] = 1;
step2_flag[j] = 1;
if (val >= room)
if (highroom > lowroom)
finalY[j] = val - lowroom + pred;
else
finalY[j] = pred - val + highroom - 1;
else
if (val & 1)
finalY[j] = pred - ((val+1)>>1);
else
finalY[j] = pred + (val>>1);
} else {
step2_flag[j] = 0;
finalY[j] = pred;
}
}
#ifdef STB_VORBIS_NO_DEFER_FLOOR
do_floor(f, map, i, n, f->floor_buffers[i], finalY, step2_flag);
#else
// defer final floor computation until _after_ residue
for (j=0; j < g->values; ++j) {
if (!step2_flag[j])
finalY[j] = -1;
}
#endif
} else {
error:
zero_channel[i] = TRUE;
}
// So we just defer everything else to later
// at this point we've decoded the floor into buffer
}
}
stb_prof(0);
// at this point we've decoded all floors
if (f->alloc.alloc_buffer)
assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
// re-enable coupled channels if necessary
memcpy(really_zero_channel, zero_channel, sizeof(really_zero_channel[0]) * f->channels);
for (i=0; i < map->coupling_steps; ++i)
if (!zero_channel[map->chan[i].magnitude] || !zero_channel[map->chan[i].angle]) {
zero_channel[map->chan[i].magnitude] = zero_channel[map->chan[i].angle] = FALSE;
}
// RESIDUE DECODE
for (i=0; i < map->submaps; ++i) {
float *residue_buffers[STB_VORBIS_MAX_CHANNELS];
int r;
uint8 do_not_decode[256];
int ch = 0;
for (j=0; j < f->channels; ++j) {
if (map->chan[j].mux == i) {
if (zero_channel[j]) {
do_not_decode[ch] = TRUE;
residue_buffers[ch] = NULL;
} else {
do_not_decode[ch] = FALSE;
residue_buffers[ch] = f->channel_buffers[j];
}
++ch;
}
}
r = map->submap_residue[i];
decode_residue(f, residue_buffers, ch, n2, r, do_not_decode);
}
if (f->alloc.alloc_buffer)
assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
// INVERSE COUPLING
stb_prof(14);
for (i = map->coupling_steps-1; i >= 0; --i) {
int n2 = n >> 1;
float *m = f->channel_buffers[map->chan[i].magnitude];
float *a = f->channel_buffers[map->chan[i].angle ];
for (j=0; j < n2; ++j) {
float a2,m2;
if (m[j] > 0)
if (a[j] > 0)
m2 = m[j], a2 = m[j] - a[j];
else
a2 = m[j], m2 = m[j] + a[j];
else
if (a[j] > 0)
m2 = m[j], a2 = m[j] + a[j];
else
a2 = m[j], m2 = m[j] - a[j];
m[j] = m2;
a[j] = a2;
}
}
// finish decoding the floors
#ifndef STB_VORBIS_NO_DEFER_FLOOR
stb_prof(15);
for (i=0; i < f->channels; ++i) {
if (really_zero_channel[i]) {
memset(f->channel_buffers[i], 0, sizeof(*f->channel_buffers[i]) * n2);
} else {
do_floor(f, map, i, n, f->channel_buffers[i], f->finalY[i], NULL);
}
}
#else
for (i=0; i < f->channels; ++i) {
if (really_zero_channel[i]) {
memset(f->channel_buffers[i], 0, sizeof(*f->channel_buffers[i]) * n2);
} else {
for (j=0; j < n2; ++j)
f->channel_buffers[i][j] *= f->floor_buffers[i][j];
}
}
#endif
// INVERSE MDCT
stb_prof(16);
for (i=0; i < f->channels; ++i)
inverse_mdct(f->channel_buffers[i], n, f, m->blockflag);
stb_prof(0);
// this shouldn't be necessary, unless we exited on an error
// and want to flush to get to the next packet
flush_packet(f);
if (f->first_decode) {
// assume we start so first non-discarded sample is sample 0
// this isn't to spec, but spec would require us to read ahead
// and decode the size of all current frames--could be done,
// but presumably it's not a commonly used feature
f->current_loc = -n2; // start of first frame is positioned for discard
// we might have to discard samples "from" the next frame too,
// if we're lapping a large block then a small at the start?
f->discard_samples_deferred = n - right_end;
f->current_loc_valid = TRUE;
f->first_decode = FALSE;
} else if (f->discard_samples_deferred) {
left_start += f->discard_samples_deferred;
*p_left = left_start;
f->discard_samples_deferred = 0;
} else if (f->previous_length == 0 && f->current_loc_valid) {
// we're recovering from a seek... that means we're going to discard
// the samples from this packet even though we know our position from
// the last page header, so we need to update the position based on
// the discarded samples here
// but wait, the code below is going to add this in itself even
// on a discard, so we don't need to do it here...
}
// check if we have ogg information about the sample # for this packet
if (f->last_seg_which == f->end_seg_with_known_loc) {
// if we have a valid current loc, and this is final:
if (f->current_loc_valid && (f->page_flag & PAGEFLAG_last_page)) {
uint32 current_end = f->known_loc_for_packet - (n-right_end);
// then let's infer the size of the (probably) short final frame
if (current_end < f->current_loc + right_end) {
if (current_end < f->current_loc) {
// negative truncation, that's impossible!
*len = 0;
} else {
*len = current_end - f->current_loc;
}
*len += left_start;
f->current_loc += *len;
return TRUE;
}
}
// otherwise, just set our sample loc
// guess that the ogg granule pos refers to the _middle_ of the
// last frame?
// set f->current_loc to the position of left_start
f->current_loc = f->known_loc_for_packet - (n2-left_start);
f->current_loc_valid = TRUE;
}
if (f->current_loc_valid)
f->current_loc += (right_start - left_start);
if (f->alloc.alloc_buffer)
assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
*len = right_end; // ignore samples after the window goes to 0
return TRUE;
}
static int vorbis_decode_packet(vorb *f, int *len, int *p_left, int *p_right)
{
int mode, left_end, right_end;
if (!vorbis_decode_initial(f, p_left, &left_end, p_right, &right_end, &mode)) return 0;
return vorbis_decode_packet_rest(f, len, f->mode_config + mode, *p_left, left_end, *p_right, right_end, p_left);
}
static int vorbis_finish_frame(stb_vorbis *f, int len, int left, int right)
{
int prev,i,j;
// we use right&left (the start of the right- and left-window sin()-regions)
// to determine how much to return, rather than inferring from the rules
// (same result, clearer code); 'left' indicates where our sin() window
// starts, therefore where the previous window's right edge starts, and
// therefore where to start mixing from the previous buffer. 'right'
// indicates where our sin() ending-window starts, therefore that's where
// we start saving, and where our returned-data ends.
// mixin from previous window
if (f->previous_length) {
int i,j, n = f->previous_length;
float *w = get_window(f, n);
for (i=0; i < f->channels; ++i) {
for (j=0; j < n; ++j)
f->channel_buffers[i][left+j] =
f->channel_buffers[i][left+j]*w[ j] +
f->previous_window[i][ j]*w[n-1-j];
}
}
prev = f->previous_length;
// last half of this data becomes previous window
f->previous_length = len - right;
// @OPTIMIZE: could avoid this copy by double-buffering the
// output (flipping previous_window with channel_buffers), but
// then previous_window would have to be 2x as large, and
// channel_buffers couldn't be temp mem (although they're NOT
// currently temp mem, they could be (unless we want to level
// performance by spreading out the computation))
for (i=0; i < f->channels; ++i)
for (j=0; right+j < len; ++j)
f->previous_window[i][j] = f->channel_buffers[i][right+j];
if (!prev)
// there was no previous packet, so this data isn't valid...
// this isn't entirely true, only the would-have-overlapped data
// isn't valid, but this seems to be what the spec requires
return 0;
// truncate a short frame
if (len < right) right = len;
f->samples_output += right-left;
return right - left;
}
static void vorbis_pump_first_frame(stb_vorbis *f)
{
int len, right, left;
if (vorbis_decode_packet(f, &len, &left, &right))
vorbis_finish_frame(f, len, left, right);
}
#ifndef STB_VORBIS_NO_PUSHDATA_API
static int is_whole_packet_present(stb_vorbis *f, int end_page)
{
// make sure that we have the packet available before continuing...
// this requires a full ogg parse, but we know we can fetch from f->stream
// instead of coding this out explicitly, we could save the current read state,
// read the next packet with get8() until end-of-packet, check f->eof, then
// reset the state? but that would be slower, esp. since we'd have over 256 bytes
// of state to restore (primarily the page segment table)
int s = f->next_seg, first = TRUE;
uint8 *p = f->stream;
if (s != -1) { // if we're not starting the packet with a 'continue on next page' flag
for (; s < f->segment_count; ++s) {
p += f->segments[s];
if (f->segments[s] < 255) // stop at first short segment
break;
}
// either this continues, or it ends it...
if (end_page)
if (s < f->segment_count-1) return error(f, VORBIS_invalid_stream);
if (s == f->segment_count)
s = -1; // set 'crosses page' flag
if (p > f->stream_end) return error(f, VORBIS_need_more_data);
first = FALSE;
}
for (; s == -1;) {
uint8 *q;
int n;
// check that we have the page header ready
if (p + 26 >= f->stream_end) return error(f, VORBIS_need_more_data);
// validate the page
if (memcmp(p, ogg_page_header, 4)) return error(f, VORBIS_invalid_stream);
if (p[4] != 0) return error(f, VORBIS_invalid_stream);
if (first) { // the first segment must NOT have 'continued_packet', later ones MUST
if (f->previous_length)
if ((p[5] & PAGEFLAG_continued_packet)) return error(f, VORBIS_invalid_stream);
// if no previous length, we're resynching, so we can come in on a continued-packet,
// which we'll just drop
} else {
if (!(p[5] & PAGEFLAG_continued_packet)) return error(f, VORBIS_invalid_stream);
}
n = p[26]; // segment counts
q = p+27; // q points to segment table
p = q + n; // advance past header
// make sure we've read the segment table
if (p > f->stream_end) return error(f, VORBIS_need_more_data);
for (s=0; s < n; ++s) {
p += q[s];
if (q[s] < 255)
break;
}
if (end_page)
if (s < n-1) return error(f, VORBIS_invalid_stream);
if (s == n)
s = -1; // set 'crosses page' flag
if (p > f->stream_end) return error(f, VORBIS_need_more_data);
first = FALSE;
}
return TRUE;
}
#endif // !STB_VORBIS_NO_PUSHDATA_API
static int start_decoder(vorb *f)
{
uint8 header[6], x,y;
int len,i,j,k, max_submaps = 0;
int longest_floorlist=0;
// first page, first packet
if (!start_page(f)) return FALSE;
// validate page flag
if (!(f->page_flag & PAGEFLAG_first_page)) return error(f, VORBIS_invalid_first_page);
if (f->page_flag & PAGEFLAG_last_page) return error(f, VORBIS_invalid_first_page);
if (f->page_flag & PAGEFLAG_continued_packet) return error(f, VORBIS_invalid_first_page);
// check for expected packet length
if (f->segment_count != 1) return error(f, VORBIS_invalid_first_page);
if (f->segments[0] != 30) return error(f, VORBIS_invalid_first_page);
// read packet
// check packet header
if (get8(f) != VORBIS_packet_id) return error(f, VORBIS_invalid_first_page);
if (!getn(f, header, 6)) return error(f, VORBIS_unexpected_eof);
if (!vorbis_validate(header)) return error(f, VORBIS_invalid_first_page);
// vorbis_version
if (get32(f) != 0) return error(f, VORBIS_invalid_first_page);
f->channels = get8(f); if (!f->channels) return error(f, VORBIS_invalid_first_page);
if (f->channels > STB_VORBIS_MAX_CHANNELS) return error(f, VORBIS_too_many_channels);
f->sample_rate = get32(f); if (!f->sample_rate) return error(f, VORBIS_invalid_first_page);
get32(f); // bitrate_maximum
get32(f); // bitrate_nominal
get32(f); // bitrate_minimum
x = get8(f);
{ int log0,log1;
log0 = x & 15;
log1 = x >> 4;
f->blocksize_0 = 1 << log0;
f->blocksize_1 = 1 << log1;
if (log0 < 6 || log0 > 13) return error(f, VORBIS_invalid_setup);
if (log1 < 6 || log1 > 13) return error(f, VORBIS_invalid_setup);
if (log0 > log1) return error(f, VORBIS_invalid_setup);
}
// framing_flag
x = get8(f);
if (!(x & 1)) return error(f, VORBIS_invalid_first_page);
// second packet!
if (!start_page(f)) return FALSE;
if (!start_packet(f)) return FALSE;
do {
len = next_segment(f);
skip(f, len);
f->bytes_in_seg = 0;
} while (len);
// third packet!
if (!start_packet(f)) return FALSE;
#ifndef STB_VORBIS_NO_PUSHDATA_API
if (IS_PUSH_MODE(f)) {
if (!is_whole_packet_present(f, TRUE)) {
// convert error in ogg header to write type
if (f->error == VORBIS_invalid_stream)
f->error = VORBIS_invalid_setup;
return FALSE;
}
}
#endif
crc32_init(); // always init it, to avoid multithread race conditions
if (get8_packet(f) != VORBIS_packet_setup) return error(f, VORBIS_invalid_setup);
for (i=0; i < 6; ++i) header[i] = get8_packet(f);
if (!vorbis_validate(header)) return error(f, VORBIS_invalid_setup);
// codebooks
f->codebook_count = get_bits(f,8) + 1;
f->codebooks = (Codebook *) setup_malloc(f, sizeof(*f->codebooks) * f->codebook_count);
if (f->codebooks == NULL) return error(f, VORBIS_outofmem);
memset(f->codebooks, 0, sizeof(*f->codebooks) * f->codebook_count);
for (i=0; i < f->codebook_count; ++i) {
uint32 *values;
int ordered, sorted_count;
int total=0;
uint8 *lengths;
Codebook *c = f->codebooks+i;
x = get_bits(f, 8); if (x != 0x42) return error(f, VORBIS_invalid_setup);
x = get_bits(f, 8); if (x != 0x43) return error(f, VORBIS_invalid_setup);
x = get_bits(f, 8); if (x != 0x56) return error(f, VORBIS_invalid_setup);
x = get_bits(f, 8);
c->dimensions = (get_bits(f, 8)<<8) + x;
x = get_bits(f, 8);
y = get_bits(f, 8);
c->entries = (get_bits(f, 8)<<16) + (y<<8) + x;
ordered = get_bits(f,1);
c->sparse = ordered ? 0 : get_bits(f,1);
if (c->sparse)
lengths = (uint8 *) setup_temp_malloc(f, c->entries);
else
lengths = c->codeword_lengths = (uint8 *) setup_malloc(f, c->entries);
if (!lengths) return error(f, VORBIS_outofmem);
if (ordered) {
int current_entry = 0;
int current_length = get_bits(f,5) + 1;
while (current_entry < c->entries) {
int limit = c->entries - current_entry;
int n = get_bits(f, ilog(limit));
if (current_entry + n > (int) c->entries) { return error(f, VORBIS_invalid_setup); }
memset(lengths + current_entry, current_length, n);
current_entry += n;
++current_length;
}
} else {
for (j=0; j < c->entries; ++j) {
int present = c->sparse ? get_bits(f,1) : 1;
if (present) {
lengths[j] = get_bits(f, 5) + 1;
++total;
} else {
lengths[j] = NO_CODE;
}
}
}
if (c->sparse && total >= c->entries >> 2) {
// convert sparse items to non-sparse!
if (c->entries > (int) f->setup_temp_memory_required)
f->setup_temp_memory_required = c->entries;
c->codeword_lengths = (uint8 *) setup_malloc(f, c->entries);
memcpy(c->codeword_lengths, lengths, c->entries);
setup_temp_free(f, lengths, c->entries); // note this is only safe if there have been no intervening temp mallocs!
lengths = c->codeword_lengths;
c->sparse = 0;
}
// compute the size of the sorted tables
if (c->sparse) {
sorted_count = total;
} else {
sorted_count = 0;
#ifndef STB_VORBIS_NO_HUFFMAN_BINARY_SEARCH
for (j=0; j < c->entries; ++j)
if (lengths[j] > STB_VORBIS_FAST_HUFFMAN_LENGTH && lengths[j] != NO_CODE)
++sorted_count;
#endif
}
c->sorted_entries = sorted_count;
values = NULL;
if (!c->sparse) {
c->codewords = (uint32 *) setup_malloc(f, sizeof(c->codewords[0]) * c->entries);
if (!c->codewords) return error(f, VORBIS_outofmem);
} else {
unsigned int size;
if (c->sorted_entries) {
c->codeword_lengths = (uint8 *) setup_malloc(f, c->sorted_entries);
if (!c->codeword_lengths) return error(f, VORBIS_outofmem);
c->codewords = (uint32 *) setup_temp_malloc(f, sizeof(*c->codewords) * c->sorted_entries);
if (!c->codewords) return error(f, VORBIS_outofmem);
values = (uint32 *) setup_temp_malloc(f, sizeof(*values) * c->sorted_entries);
if (!values) return error(f, VORBIS_outofmem);
}
size = c->entries + (sizeof(*c->codewords) + sizeof(*values)) * c->sorted_entries;
if (size > f->setup_temp_memory_required)
f->setup_temp_memory_required = size;
}
if (!compute_codewords(c, lengths, c->entries, values)) {
if (c->sparse) setup_temp_free(f, values, 0);
return error(f, VORBIS_invalid_setup);
}
if (c->sorted_entries) {
// allocate an extra slot for sentinels
c->sorted_codewords = (uint32 *) setup_malloc(f, sizeof(*c->sorted_codewords) * (c->sorted_entries+1));
// allocate an extra slot at the front so that c->sorted_values[-1] is defined
// so that we can catch that case without an extra if
c->sorted_values = ( int *) setup_malloc(f, sizeof(*c->sorted_values ) * (c->sorted_entries+1));
if (c->sorted_values) { ++c->sorted_values; c->sorted_values[-1] = -1; }
compute_sorted_huffman(c, lengths, values);
}
if (c->sparse) {
setup_temp_free(f, values, sizeof(*values)*c->sorted_entries);
setup_temp_free(f, c->codewords, sizeof(*c->codewords)*c->sorted_entries);
setup_temp_free(f, lengths, c->entries);
c->codewords = NULL;
}
compute_accelerated_huffman(c);
c->lookup_type = get_bits(f, 4);
if (c->lookup_type > 2) return error(f, VORBIS_invalid_setup);
if (c->lookup_type > 0) {
uint16 *mults;
c->minimum_value = float32_unpack(get_bits(f, 32));
c->delta_value = float32_unpack(get_bits(f, 32));
c->value_bits = get_bits(f, 4)+1;
c->sequence_p = get_bits(f,1);
if (c->lookup_type == 1) {
c->lookup_values = lookup1_values(c->entries, c->dimensions);
} else {
c->lookup_values = c->entries * c->dimensions;
}
mults = (uint16 *) setup_temp_malloc(f, sizeof(mults[0]) * c->lookup_values);
if (mults == NULL) return error(f, VORBIS_outofmem);
for (j=0; j < (int) c->lookup_values; ++j) {
int q = get_bits(f, c->value_bits);
if (q == EOP) { setup_temp_free(f,mults,sizeof(mults[0])*c->lookup_values); return error(f, VORBIS_invalid_setup); }
mults[j] = q;
}
#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
if (c->lookup_type == 1) {
int len, sparse = c->sparse;
// pre-expand the lookup1-style multiplicands, to avoid a divide in the inner loop
if (sparse) {
if (c->sorted_entries == 0) goto skip;
c->multiplicands = (codetype *) setup_malloc(f, sizeof(c->multiplicands[0]) * c->sorted_entries * c->dimensions);
} else
c->multiplicands = (codetype *) setup_malloc(f, sizeof(c->multiplicands[0]) * c->entries * c->dimensions);
if (c->multiplicands == NULL) { setup_temp_free(f,mults,sizeof(mults[0])*c->lookup_values); return error(f, VORBIS_outofmem); }
len = sparse ? c->sorted_entries : c->entries;
for (j=0; j < len; ++j) {
int z = sparse ? c->sorted_values[j] : j, div=1;
for (k=0; k < c->dimensions; ++k) {
int off = (z / div) % c->lookup_values;
c->multiplicands[j*c->dimensions + k] =
#ifndef STB_VORBIS_CODEBOOK_FLOATS
mults[off];
#else
mults[off]*c->delta_value + c->minimum_value;
// in this case (and this case only) we could pre-expand c->sequence_p,
// and throw away the decode logic for it; have to ALSO do
// it in the case below, but it can only be done if
// STB_VORBIS_CODEBOOK_FLOATS
// !STB_VORBIS_DIVIDES_IN_CODEBOOK
#endif
div *= c->lookup_values;
}
}
setup_temp_free(f, mults,sizeof(mults[0])*c->lookup_values);
c->lookup_type = 2;
}
else
#endif
{
c->multiplicands = (codetype *) setup_malloc(f, sizeof(c->multiplicands[0]) * c->lookup_values);
#ifndef STB_VORBIS_CODEBOOK_FLOATS
memcpy(c->multiplicands, mults, sizeof(c->multiplicands[0]) * c->lookup_values);
#else
for (j=0; j < (int) c->lookup_values; ++j)
c->multiplicands[j] = mults[j] * c->delta_value + c->minimum_value;
#endif
setup_temp_free(f, mults,sizeof(mults[0])*c->lookup_values);
}
#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
skip:;
#endif
#ifdef STB_VORBIS_CODEBOOK_FLOATS
if (c->lookup_type == 2 && c->sequence_p) {
for (j=1; j < (int) c->lookup_values; ++j)
c->multiplicands[j] = c->multiplicands[j-1];
c->sequence_p = 0;
}
#endif
}
}
// time domain transfers (notused)
x = get_bits(f, 6) + 1;
for (i=0; i < x; ++i) {
uint32 z = get_bits(f, 16);
if (z != 0) return error(f, VORBIS_invalid_setup);
}
// Floors
f->floor_count = get_bits(f, 6)+1;
f->floor_config = (Floor *) setup_malloc(f, f->floor_count * sizeof(*f->floor_config));
for (i=0; i < f->floor_count; ++i) {
f->floor_types[i] = get_bits(f, 16);
if (f->floor_types[i] > 1) return error(f, VORBIS_invalid_setup);
if (f->floor_types[i] == 0) {
Floor0 *g = &f->floor_config[i].floor0;
g->order = get_bits(f,8);
g->rate = get_bits(f,16);
g->bark_map_size = get_bits(f,16);
g->amplitude_bits = get_bits(f,6);
g->amplitude_offset = get_bits(f,8);
g->number_of_books = get_bits(f,4) + 1;
for (j=0; j < g->number_of_books; ++j)
g->book_list[j] = get_bits(f,8);
return error(f, VORBIS_feature_not_supported);
} else {
Point p[31*8+2];
Floor1 *g = &f->floor_config[i].floor1;
int max_class = -1;
g->partitions = get_bits(f, 5);
for (j=0; j < g->partitions; ++j) {
g->partition_class_list[j] = get_bits(f, 4);
if (g->partition_class_list[j] > max_class)
max_class = g->partition_class_list[j];
}
for (j=0; j <= max_class; ++j) {
g->class_dimensions[j] = get_bits(f, 3)+1;
g->class_subclasses[j] = get_bits(f, 2);
if (g->class_subclasses[j]) {
g->class_masterbooks[j] = get_bits(f, 8);
if (g->class_masterbooks[j] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
}
for (k=0; k < 1 << g->class_subclasses[j]; ++k) {
g->subclass_books[j][k] = get_bits(f,8)-1;
if (g->subclass_books[j][k] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
}
}
g->floor1_multiplier = get_bits(f,2)+1;
g->rangebits = get_bits(f,4);
g->Xlist[0] = 0;
g->Xlist[1] = 1 << g->rangebits;
g->values = 2;
for (j=0; j < g->partitions; ++j) {
int c = g->partition_class_list[j];
for (k=0; k < g->class_dimensions[c]; ++k) {
g->Xlist[g->values] = get_bits(f, g->rangebits);
++g->values;
}
}
// precompute the sorting
for (j=0; j < g->values; ++j) {
p[j].x = g->Xlist[j];
p[j].y = j;
}
qsort(p, g->values, sizeof(p[0]), point_compare);
for (j=0; j < g->values; ++j)
g->sorted_order[j] = (uint8) p[j].y;
// precompute the neighbors
for (j=2; j < g->values; ++j) {
int low,hi;
neighbors(g->Xlist, j, &low,&hi);
g->neighbors[j][0] = low;
g->neighbors[j][1] = hi;
}
if (g->values > longest_floorlist)
longest_floorlist = g->values;
}
}
// Residue
f->residue_count = get_bits(f, 6)+1;
f->residue_config = (Residue *) setup_malloc(f, f->residue_count * sizeof(*f->residue_config));
for (i=0; i < f->residue_count; ++i) {
uint8 residue_cascade[64];
Residue *r = f->residue_config+i;
f->residue_types[i] = get_bits(f, 16);
if (f->residue_types[i] > 2) return error(f, VORBIS_invalid_setup);
r->begin = get_bits(f, 24);
r->end = get_bits(f, 24);
r->part_size = get_bits(f,24)+1;
r->classifications = get_bits(f,6)+1;
r->classbook = get_bits(f,8);
for (j=0; j < r->classifications; ++j) {
uint8 high_bits=0;
uint8 low_bits=get_bits(f,3);
if (get_bits(f,1))
high_bits = get_bits(f,5);
residue_cascade[j] = high_bits*8 + low_bits;
}
r->residue_books = (short (*)[8]) setup_malloc(f, sizeof(r->residue_books[0]) * r->classifications);
for (j=0; j < r->classifications; ++j) {
for (k=0; k < 8; ++k) {
if (residue_cascade[j] & (1 << k)) {
r->residue_books[j][k] = get_bits(f, 8);
if (r->residue_books[j][k] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
} else {
r->residue_books[j][k] = -1;
}
}
}
// precompute the classifications[] array to avoid inner-loop mod/divide
// call it 'classdata' since we already have r->classifications
r->classdata = (uint8 **) setup_malloc(f, sizeof(*r->classdata) * f->codebooks[r->classbook].entries);
if (!r->classdata) return error(f, VORBIS_outofmem);
memset(r->classdata, 0, sizeof(*r->classdata) * f->codebooks[r->classbook].entries);
for (j=0; j < f->codebooks[r->classbook].entries; ++j) {
int classwords = f->codebooks[r->classbook].dimensions;
int temp = j;
r->classdata[j] = (uint8 *) setup_malloc(f, sizeof(r->classdata[j][0]) * classwords);
for (k=classwords-1; k >= 0; --k) {
r->classdata[j][k] = temp % r->classifications;
temp /= r->classifications;
}
}
}
f->mapping_count = get_bits(f,6)+1;
f->mapping = (Mapping *) setup_malloc(f, f->mapping_count * sizeof(*f->mapping));
for (i=0; i < f->mapping_count; ++i) {
Mapping *m = f->mapping + i;
int mapping_type = get_bits(f,16);
if (mapping_type != 0) return error(f, VORBIS_invalid_setup);
m->chan = (MappingChannel *) setup_malloc(f, f->channels * sizeof(*m->chan));
if (get_bits(f,1))
m->submaps = get_bits(f,4)+1;
else
m->submaps = 1;
if (m->submaps > max_submaps)
max_submaps = m->submaps;
if (get_bits(f,1)) {
m->coupling_steps = get_bits(f,8)+1;
for (k=0; k < m->coupling_steps; ++k) {
m->chan[k].magnitude = get_bits(f, ilog(f->channels-1));
m->chan[k].angle = get_bits(f, ilog(f->channels-1));
if (m->chan[k].magnitude >= f->channels) return error(f, VORBIS_invalid_setup);
if (m->chan[k].angle >= f->channels) return error(f, VORBIS_invalid_setup);
if (m->chan[k].magnitude == m->chan[k].angle) return error(f, VORBIS_invalid_setup);
}
} else
m->coupling_steps = 0;
// reserved field
if (get_bits(f,2)) return error(f, VORBIS_invalid_setup);
if (m->submaps > 1) {
for (j=0; j < f->channels; ++j) {
m->chan[j].mux = get_bits(f, 4);
if (m->chan[j].mux >= m->submaps) return error(f, VORBIS_invalid_setup);
}
} else
// @SPECIFICATION: this case is missing from the spec
for (j=0; j < f->channels; ++j)
m->chan[j].mux = 0;
for (j=0; j < m->submaps; ++j) {
get_bits(f,8); // discard
m->submap_floor[j] = get_bits(f,8);
m->submap_residue[j] = get_bits(f,8);
if (m->submap_floor[j] >= f->floor_count) return error(f, VORBIS_invalid_setup);
if (m->submap_residue[j] >= f->residue_count) return error(f, VORBIS_invalid_setup);
}
}
// Modes
f->mode_count = get_bits(f, 6)+1;
for (i=0; i < f->mode_count; ++i) {
Mode *m = f->mode_config+i;
m->blockflag = get_bits(f,1);
m->windowtype = get_bits(f,16);
m->transformtype = get_bits(f,16);
m->mapping = get_bits(f,8);
if (m->windowtype != 0) return error(f, VORBIS_invalid_setup);
if (m->transformtype != 0) return error(f, VORBIS_invalid_setup);
if (m->mapping >= f->mapping_count) return error(f, VORBIS_invalid_setup);
}
flush_packet(f);
f->previous_length = 0;
for (i=0; i < f->channels; ++i) {
f->channel_buffers[i] = (float *) setup_malloc(f, sizeof(float) * f->blocksize_1);
f->previous_window[i] = (float *) setup_malloc(f, sizeof(float) * f->blocksize_1/2);
f->finalY[i] = (int16 *) setup_malloc(f, sizeof(int16) * longest_floorlist);
#ifdef STB_VORBIS_NO_DEFER_FLOOR
f->floor_buffers[i] = (float *) setup_malloc(f, sizeof(float) * f->blocksize_1/2);
#endif
}
if (!init_blocksize(f, 0, f->blocksize_0)) return FALSE;
if (!init_blocksize(f, 1, f->blocksize_1)) return FALSE;
f->blocksize[0] = f->blocksize_0;
f->blocksize[1] = f->blocksize_1;
#ifdef STB_VORBIS_DIVIDE_TABLE
if (integer_divide_table[1][1]==0)
for (i=0; i < DIVTAB_NUMER; ++i)
for (j=1; j < DIVTAB_DENOM; ++j)
integer_divide_table[i][j] = i / j;
#endif
// compute how much temporary memory is needed
// 1.
{
uint32 imdct_mem = (f->blocksize_1 * sizeof(float) >> 1);
uint32 classify_mem;
int i,max_part_read=0;
for (i=0; i < f->residue_count; ++i) {
Residue *r = f->residue_config + i;
int n_read = r->end - r->begin;
int part_read = n_read / r->part_size;
if (part_read > max_part_read)
max_part_read = part_read;
}
#ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
classify_mem = f->channels * (sizeof(void*) + max_part_read * sizeof(uint8 *));
#else
classify_mem = f->channels * (sizeof(void*) + max_part_read * sizeof(int *));
#endif
f->temp_memory_required = classify_mem;
if (imdct_mem > f->temp_memory_required)
f->temp_memory_required = imdct_mem;
}
f->first_decode = TRUE;
if (f->alloc.alloc_buffer) {
assert(f->temp_offset == f->alloc.alloc_buffer_length_in_bytes);
// check if there's enough temp memory so we don't error later
if (f->setup_offset + sizeof(*f) + f->temp_memory_required > (unsigned) f->temp_offset)
return error(f, VORBIS_outofmem);
}
f->first_audio_page_offset = stb_vorbis_get_file_offset(f);
return TRUE;
}
static void vorbis_deinit(stb_vorbis *p)
{
int i,j;
for (i=0; i < p->residue_count; ++i) {
Residue *r = p->residue_config+i;
if (r->classdata) {
for (j=0; j < p->codebooks[r->classbook].entries; ++j)
setup_free(p, r->classdata[j]);
setup_free(p, r->classdata);
}
setup_free(p, r->residue_books);
}
if (p->codebooks) {
for (i=0; i < p->codebook_count; ++i) {
Codebook *c = p->codebooks + i;
setup_free(p, c->codeword_lengths);
setup_free(p, c->multiplicands);
setup_free(p, c->codewords);
setup_free(p, c->sorted_codewords);
// c->sorted_values[-1] is the first entry in the array
setup_free(p, c->sorted_values ? c->sorted_values-1 : NULL);
}
setup_free(p, p->codebooks);
}
setup_free(p, p->floor_config);
setup_free(p, p->residue_config);
for (i=0; i < p->mapping_count; ++i)
setup_free(p, p->mapping[i].chan);
setup_free(p, p->mapping);
for (i=0; i < p->channels; ++i) {
setup_free(p, p->channel_buffers[i]);
setup_free(p, p->previous_window[i]);
#ifdef STB_VORBIS_NO_DEFER_FLOOR
setup_free(p, p->floor_buffers[i]);
#endif
setup_free(p, p->finalY[i]);
}
for (i=0; i < 2; ++i) {
setup_free(p, p->A[i]);
setup_free(p, p->B[i]);
setup_free(p, p->C[i]);
setup_free(p, p->window[i]);
setup_free(p, p->bit_reverse[i]);
}
#ifndef STB_VORBIS_NO_STDIO
if (p->close_on_free) fclose(p->f);
#endif
}
void stb_vorbis_close(stb_vorbis *p)
{
if (p == NULL) return;
vorbis_deinit(p);
setup_free(p,p);
}
static void vorbis_init(stb_vorbis *p, stb_vorbis_alloc *z)
{
memset(p, 0, sizeof(*p)); // NULL out all malloc'd pointers to start
if (z) {
p->alloc = *z;
p->alloc.alloc_buffer_length_in_bytes = (p->alloc.alloc_buffer_length_in_bytes+3) & ~3;
p->temp_offset = p->alloc.alloc_buffer_length_in_bytes;
}
p->eof = 0;
p->error = VORBIS__no_error;
p->stream = NULL;
p->codebooks = NULL;
p->page_crc_tests = -1;
#ifndef STB_VORBIS_NO_STDIO
p->close_on_free = FALSE;
p->f = NULL;
#endif
}
int stb_vorbis_get_sample_offset(stb_vorbis *f)
{
if (f->current_loc_valid)
return f->current_loc;
else
return -1;
}
stb_vorbis_info stb_vorbis_get_info(stb_vorbis *f)
{
stb_vorbis_info d;
d.channels = f->channels;
d.sample_rate = f->sample_rate;
d.setup_memory_required = f->setup_memory_required;
d.setup_temp_memory_required = f->setup_temp_memory_required;
d.temp_memory_required = f->temp_memory_required;
d.max_frame_size = f->blocksize_1 >> 1;
return d;
}
int stb_vorbis_get_error(stb_vorbis *f)
{
int e = f->error;
f->error = VORBIS__no_error;
return e;
}
static stb_vorbis * vorbis_alloc(stb_vorbis *f)
{
stb_vorbis *p = (stb_vorbis *) setup_malloc(f, sizeof(*p));
return p;
}
#ifndef STB_VORBIS_NO_PUSHDATA_API
void stb_vorbis_flush_pushdata(stb_vorbis *f)
{
f->previous_length = 0;
f->page_crc_tests = 0;
f->discard_samples_deferred = 0;
f->current_loc_valid = FALSE;
f->first_decode = FALSE;
f->samples_output = 0;
f->channel_buffer_start = 0;
f->channel_buffer_end = 0;
}
static int vorbis_search_for_page_pushdata(vorb *f, uint8 *data, int data_len)
{
int i,n;
for (i=0; i < f->page_crc_tests; ++i)
f->scan[i].bytes_done = 0;
// if we have room for more scans, search for them first, because
// they may cause us to stop early if their header is incomplete
if (f->page_crc_tests < STB_VORBIS_PUSHDATA_CRC_COUNT) {
if (data_len < 4) return 0;
data_len -= 3; // need to look for 4-byte sequence, so don't miss
// one that straddles a boundary
for (i=0; i < data_len; ++i) {
if (data[i] == 0x4f) {
if (0==memcmp(data+i, ogg_page_header, 4)) {
int j,len;
uint32 crc;
// make sure we have the whole page header
if (i+26 >= data_len || i+27+data[i+26] >= data_len) {
// only read up to this page start, so hopefully we'll
// have the whole page header start next time
data_len = i;
break;
}
// ok, we have it all; compute the length of the page
len = 27 + data[i+26];
for (j=0; j < data[i+26]; ++j)
len += data[i+27+j];
// scan everything up to the embedded crc (which we must 0)
crc = 0;
for (j=0; j < 22; ++j)
crc = crc32_update(crc, data[i+j]);
// now process 4 0-bytes
for ( ; j < 26; ++j)
crc = crc32_update(crc, 0);
// len is the total number of bytes we need to scan
n = f->page_crc_tests++;
f->scan[n].bytes_left = len-j;
f->scan[n].crc_so_far = crc;
f->scan[n].goal_crc = data[i+22] + (data[i+23] << 8) + (data[i+24]<<16) + (data[i+25]<<24);
// if the last frame on a page is continued to the next, then
// we can't recover the sample_loc immediately
if (data[i+27+data[i+26]-1] == 255)
f->scan[n].sample_loc = ~0;
else
f->scan[n].sample_loc = data[i+6] + (data[i+7] << 8) + (data[i+ 8]<<16) + (data[i+ 9]<<24);
f->scan[n].bytes_done = i+j;
if (f->page_crc_tests == STB_VORBIS_PUSHDATA_CRC_COUNT)
break;
// keep going if we still have room for more
}
}
}
}
for (i=0; i < f->page_crc_tests;) {
uint32 crc;
int j;
int n = f->scan[i].bytes_done;
int m = f->scan[i].bytes_left;
if (m > data_len - n) m = data_len - n;
// m is the bytes to scan in the current chunk
crc = f->scan[i].crc_so_far;
for (j=0; j < m; ++j)
crc = crc32_update(crc, data[n+j]);
f->scan[i].bytes_left -= m;
f->scan[i].crc_so_far = crc;
if (f->scan[i].bytes_left == 0) {
// does it match?
if (f->scan[i].crc_so_far == f->scan[i].goal_crc) {
// Houston, we have page
data_len = n+m; // consumption amount is wherever that scan ended
f->page_crc_tests = -1; // drop out of page scan mode
f->previous_length = 0; // decode-but-don't-output one frame
f->next_seg = -1; // start a new page
f->current_loc = f->scan[i].sample_loc; // set the current sample location
// to the amount we'd have decoded had we decoded this page
f->current_loc_valid = f->current_loc != ~0U;
return data_len;
}
// delete entry
f->scan[i] = f->scan[--f->page_crc_tests];
} else {
++i;
}
}
return data_len;
}
// return value: number of bytes we used
int stb_vorbis_decode_frame_pushdata(
stb_vorbis *f, // the file we're decoding
uint8 *data, int data_len, // the memory available for decoding
int *channels, // place to write number of float * buffers
float ***output, // place to write float ** array of float * buffers
int *samples // place to write number of output samples
)
{
int i;
int len,right,left;
if (!IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
if (f->page_crc_tests >= 0) {
*samples = 0;
return vorbis_search_for_page_pushdata(f, data, data_len);
}
f->stream = data;
f->stream_end = data + data_len;
f->error = VORBIS__no_error;
// check that we have the entire packet in memory
if (!is_whole_packet_present(f, FALSE)) {
*samples = 0;
return 0;
}
if (!vorbis_decode_packet(f, &len, &left, &right)) {
// save the actual error we encountered
enum STBVorbisError error = f->error;
if (error == VORBIS_bad_packet_type) {
// flush and resynch
f->error = VORBIS__no_error;
while (get8_packet(f) != EOP)
if (f->eof) break;
*samples = 0;
return f->stream - data;
}
if (error == VORBIS_continued_packet_flag_invalid) {
if (f->previous_length == 0) {
// we may be resynching, in which case it's ok to hit one
// of these; just discard the packet
f->error = VORBIS__no_error;
while (get8_packet(f) != EOP)
if (f->eof) break;
*samples = 0;
return f->stream - data;
}
}
// if we get an error while parsing, what to do?
// well, it DEFINITELY won't work to continue from where we are!
stb_vorbis_flush_pushdata(f);
// restore the error that actually made us bail
f->error = error;
*samples = 0;
return 1;
}
// success!
len = vorbis_finish_frame(f, len, left, right);
for (i=0; i < f->channels; ++i)
f->outputs[i] = f->channel_buffers[i] + left;
if (channels) *channels = f->channels;
*samples = len;
*output = f->outputs;
return f->stream - data;
}
stb_vorbis *stb_vorbis_open_pushdata(
unsigned char *data, int data_len, // the memory available for decoding
int *data_used, // only defined if result is not NULL
int *error, stb_vorbis_alloc *alloc)
{
stb_vorbis *f, p;
vorbis_init(&p, alloc);
p.stream = data;
p.stream_end = data + data_len;
p.push_mode = TRUE;
if (!start_decoder(&p)) {
if (p.eof)
*error = VORBIS_need_more_data;
else
*error = p.error;
return NULL;
}
f = vorbis_alloc(&p);
if (f) {
*f = p;
*data_used = f->stream - data;
*error = 0;
return f;
} else {
vorbis_deinit(&p);
return NULL;
}
}
#endif // STB_VORBIS_NO_PUSHDATA_API
unsigned int stb_vorbis_get_file_offset(stb_vorbis *f)
{
#ifndef STB_VORBIS_NO_PUSHDATA_API
if (f->push_mode) return 0;
#endif
if (USE_MEMORY(f)) return f->stream - f->stream_start;
#ifndef STB_VORBIS_NO_STDIO
return ftell(f->f) - f->f_start;
#endif
}
#ifndef STB_VORBIS_NO_PULLDATA_API
//
// DATA-PULLING API
//
static uint32 vorbis_find_page(stb_vorbis *f, uint32 *end, uint32 *last)
{
for(;;) {
int n;
if (f->eof) return 0;
n = get8(f);
if (n == 0x4f) { // page header
unsigned int retry_loc = stb_vorbis_get_file_offset(f);
int i;
// check if we're off the end of a file_section stream
if (retry_loc - 25 > f->stream_len)
return 0;
// check the rest of the header
for (i=1; i < 4; ++i)
if (get8(f) != ogg_page_header[i])
break;
if (f->eof) return 0;
if (i == 4) {
uint8 header[27];
uint32 i, crc, goal, len;
for (i=0; i < 4; ++i)
header[i] = ogg_page_header[i];
for (; i < 27; ++i)
header[i] = get8(f);
if (f->eof) return 0;
if (header[4] != 0) goto invalid;
goal = header[22] + (header[23] << 8) + (header[24]<<16) + (header[25]<<24);
for (i=22; i < 26; ++i)
header[i] = 0;
crc = 0;
for (i=0; i < 27; ++i)
crc = crc32_update(crc, header[i]);
len = 0;
for (i=0; i < header[26]; ++i) {
int s = get8(f);
crc = crc32_update(crc, s);
len += s;
}
if (len && f->eof) return 0;
for (i=0; i < len; ++i)
crc = crc32_update(crc, get8(f));
// finished parsing probable page
if (crc == goal) {
// we could now check that it's either got the last
// page flag set, OR it's followed by the capture
// pattern, but I guess TECHNICALLY you could have
// a file with garbage between each ogg page and recover
// from it automatically? So even though that paranoia
// might decrease the chance of an invalid decode by
// another 2^32, not worth it since it would hose those
// invalid-but-useful files?
if (end)
*end = stb_vorbis_get_file_offset(f);
if (last) {
if (header[5] & 0x04)
*last = 1;
else
*last = 0;
}
set_file_offset(f, retry_loc-1);
return 1;
}
}
invalid:
// not a valid page, so rewind and look for next one
set_file_offset(f, retry_loc);
}
}
}
// seek is implemented with 'interpolation search'--this is like
// binary search, but we use the data values to estimate the likely
// location of the data item (plus a bit of a bias so when the
// estimation is wrong we don't waste overly much time)
#define SAMPLE_unknown 0xffffffff
// ogg vorbis, in its insane infinite wisdom, only provides
// information about the sample at the END of the page.
// therefore we COULD have the data we need in the current
// page, and not know it. we could just use the end location
// as our only knowledge for bounds, seek back, and eventually
// the binary search finds it. or we can try to be smart and
// not waste time trying to locate more pages. we try to be
// smart, since this data is already in memory anyway, so
// doing needless I/O would be crazy!
static int vorbis_analyze_page(stb_vorbis *f, ProbedPage *z)
{
uint8 header[27], lacing[255];
uint8 packet_type[255];
int num_packet, packet_start;
int i,len;
uint32 samples;
// record where the page starts
z->page_start = stb_vorbis_get_file_offset(f);
// parse the header
getn(f, header, 27);
assert(header[0] == 'O' && header[1] == 'g' && header[2] == 'g' && header[3] == 'S');
getn(f, lacing, header[26]);
// determine the length of the payload
len = 0;
for (i=0; i < header[26]; ++i)
len += lacing[i];
// this implies where the page ends
z->page_end = z->page_start + 27 + header[26] + len;
// read the last-decoded sample out of the data
z->last_decoded_sample = header[6] + (header[7] << 8) + (header[8] << 16) + (header[9] << 16);
if (header[5] & 4) {
// if this is the last page, it's not possible to work
// backwards to figure out the first sample! whoops! fuck.
z->first_decoded_sample = SAMPLE_unknown;
set_file_offset(f, z->page_start);
return 1;
}
// scan through the frames to determine the sample-count of each one...
// our goal is the sample # of the first fully-decoded sample on the
// page, which is the first decoded sample of the 2nd packet
num_packet=0;
packet_start = ((header[5] & 1) == 0);
for (i=0; i < header[26]; ++i) {
if (packet_start) {
uint8 n,b;
if (lacing[i] == 0) goto bail; // trying to read from zero-length packet
n = get8(f);
// if bottom bit is non-zero, we've got corruption
if (n & 1) goto bail;
n >>= 1;
b = ilog(f->mode_count-1);
n &= (1 << b)-1;
if (n >= f->mode_count) goto bail;
packet_type[num_packet++] = f->mode_config[n].blockflag;
skip(f, lacing[i]-1);
} else
skip(f, lacing[i]);
packet_start = (lacing[i] < 255);
}
// now that we know the sizes of all the pages, we can start determining
// how much sample data there is.
samples = 0;
// for the last packet, we step by its whole length, because the definition
// is that we encoded the end sample loc of the 'last packet completed',
// where 'completed' refers to packets being split, and we are left to guess
// what 'end sample loc' means. we assume it means ignoring the fact that
// the last half of the data is useless without windowing against the next
// packet... (so it's not REALLY complete in that sense)
if (num_packet > 1)
samples += f->blocksize[packet_type[num_packet-1]];
for (i=num_packet-2; i >= 1; --i) {
// now, for this packet, how many samples do we have that
// do not overlap the following packet?
if (packet_type[i] == 1)
if (packet_type[i+1] == 1)
samples += f->blocksize_1 >> 1;
else
samples += ((f->blocksize_1 - f->blocksize_0) >> 2) + (f->blocksize_0 >> 1);
else
samples += f->blocksize_0 >> 1;
}
// now, at this point, we've rewound to the very beginning of the
// _second_ packet. if we entirely discard the first packet after
// a seek, this will be exactly the right sample number. HOWEVER!
// we can't as easily compute this number for the LAST page. The
// only way to get the sample offset of the LAST page is to use
// the end loc from the previous page. But what that returns us
// is _exactly_ the place where we get our first non-overlapped
// sample. (I think. Stupid spec for being ambiguous.) So for
// consistency it's better to do that here, too. However, that
// will then require us to NOT discard all of the first frame we
// decode, in some cases, which means an even weirder frame size
// and extra code. what a fucking pain.
// we're going to discard the first packet if we
// start the seek here, so we don't care about it. (we could actually
// do better; if the first packet is long, and the previous packet
// is short, there's actually data in the first half of the first
// packet that doesn't need discarding... but not worth paying the
// effort of tracking that of that here and in the seeking logic)
// except crap, if we infer it from the _previous_ packet's end
// location, we DO need to use that definition... and we HAVE to
// infer the start loc of the LAST packet from the previous packet's
// end location. fuck you, ogg vorbis.
z->first_decoded_sample = z->last_decoded_sample - samples;
// restore file state to where we were
set_file_offset(f, z->page_start);
return 1;
// restore file state to where we were
bail:
set_file_offset(f, z->page_start);
return 0;
}
static int vorbis_seek_frame_from_page(stb_vorbis *f, uint32 page_start, uint32 first_sample, uint32 target_sample, int fine)
{
int left_start, left_end, right_start, right_end, mode,i;
int frame=0;
uint32 frame_start;
int frames_to_skip, data_to_skip;
// first_sample is the sample # of the first sample that doesn't
// overlap the previous page... note that this requires us to
// _partially_ discard the first packet! bleh.
set_file_offset(f, page_start);
f->next_seg = -1; // force page resync
frame_start = first_sample;
// frame start is where the previous packet's last decoded sample
// was, which corresponds to left_end... EXCEPT if the previous
// packet was long and this packet is short? Probably a bug here.
// now, we can start decoding frames... we'll only FAKE decode them,
// until we find the frame that contains our sample; then we'll rewind,
// and try again
for (;;) {
int start;
if (!vorbis_decode_initial(f, &left_start, &left_end, &right_start, &right_end, &mode))
return error(f, VORBIS_seek_failed);
if (frame == 0)
start = left_end;
else
start = left_start;
// the window starts at left_start; the last valid sample we generate
// before the next frame's window start is right_start-1
if (target_sample < frame_start + right_start-start)
break;
flush_packet(f);
if (f->eof)
return error(f, VORBIS_seek_failed);
frame_start += right_start - start;
++frame;
}
// ok, at this point, the sample we want is contained in frame #'frame'
// to decode frame #'frame' normally, we have to decode the
// previous frame first... but if it's the FIRST frame of the page
// we can't. if it's the first frame, it means it falls in the part
// of the first frame that doesn't overlap either of the other frames.
// so, if we have to handle that case for the first frame, we might
// as well handle it for all of them, so:
if (target_sample > frame_start + (left_end - left_start)) {
// so what we want to do is go ahead and just immediately decode
// this frame, but then make it so the next get_frame_float() uses
// this already-decoded data? or do we want to go ahead and rewind,
// and leave a flag saying to skip the first N data? let's do that
frames_to_skip = frame; // if this is frame #1, skip 1 frame (#0)
data_to_skip = left_end - left_start;
} else {
// otherwise, we want to skip frames 0, 1, 2, ... frame-2
// (which means frame-2+1 total frames) then decode frame-1,
// then leave frame pending
frames_to_skip = frame - 1;
assert(frames_to_skip >= 0);
data_to_skip = -1;
}
set_file_offset(f, page_start);
f->next_seg = - 1; // force page resync
for (i=0; i < frames_to_skip; ++i) {
maybe_start_packet(f);
flush_packet(f);
}
if (data_to_skip >= 0) {
int i,j,n = f->blocksize_0 >> 1;
f->discard_samples_deferred = data_to_skip;
for (i=0; i < f->channels; ++i)
for (j=0; j < n; ++j)
f->previous_window[i][j] = 0;
f->previous_length = n;
frame_start += data_to_skip;
} else {
f->previous_length = 0;
vorbis_pump_first_frame(f);
}
// at this point, the NEXT decoded frame will generate the desired sample
if (fine) {
// so if we're doing sample accurate streaming, we want to go ahead and decode it!
if (target_sample != frame_start) {
int n;
stb_vorbis_get_frame_float(f, &n, NULL);
assert(target_sample > frame_start);
assert(f->channel_buffer_start + (int) (target_sample-frame_start) < f->channel_buffer_end);
f->channel_buffer_start += (target_sample - frame_start);
}
}
return 0;
}
static int vorbis_seek_base(stb_vorbis *f, unsigned int sample_number, int fine)
{
ProbedPage p[2],q;
if (IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
// do we know the location of the last page?
if (f->p_last.page_start == 0) {
uint32 z = stb_vorbis_stream_length_in_samples(f);
if (z == 0) return error(f, VORBIS_cant_find_last_page);
}
p[0] = f->p_first;
p[1] = f->p_last;
if (sample_number >= f->p_last.last_decoded_sample)
sample_number = f->p_last.last_decoded_sample-1;
if (sample_number < f->p_first.last_decoded_sample) {
vorbis_seek_frame_from_page(f, p[0].page_start, 0, sample_number, fine);
return 0;
} else {
int attempts=0;
while (p[0].page_end < p[1].page_start) {
uint32 probe;
uint32 start_offset, end_offset;
uint32 start_sample, end_sample;
// copy these into local variables so we can tweak them
// if any are unknown
start_offset = p[0].page_end;
end_offset = p[1].after_previous_page_start; // an address known to seek to page p[1]
start_sample = p[0].last_decoded_sample;
end_sample = p[1].last_decoded_sample;
// currently there is no such tweaking logic needed/possible?
if (start_sample == SAMPLE_unknown || end_sample == SAMPLE_unknown)
return error(f, VORBIS_seek_failed);
// now we want to lerp between these for the target samples...
// step 1: we need to bias towards the page start...
if (start_offset + 4000 < end_offset)
end_offset -= 4000;
// now compute an interpolated search loc
probe = start_offset + (int) floor((float) (end_offset - start_offset) / (end_sample - start_sample) * (sample_number - start_sample));
// next we need to bias towards binary search...
// code is a little wonky to allow for full 32-bit unsigned values
if (attempts >= 4) {
uint32 probe2 = start_offset + ((end_offset - start_offset) >> 1);
if (attempts >= 8)
probe = probe2;
else if (probe < probe2)
probe = probe + ((probe2 - probe) >> 1);
else
probe = probe2 + ((probe - probe2) >> 1);
}
++attempts;
set_file_offset(f, probe);
if (!vorbis_find_page(f, NULL, NULL)) return error(f, VORBIS_seek_failed);
if (!vorbis_analyze_page(f, &q)) return error(f, VORBIS_seek_failed);
q.after_previous_page_start = probe;
// it's possible we've just found the last page again
if (q.page_start == p[1].page_start) {
p[1] = q;
continue;
}
if (sample_number < q.last_decoded_sample)
p[1] = q;
else
p[0] = q;
}
if (p[0].last_decoded_sample <= sample_number && sample_number < p[1].last_decoded_sample) {
vorbis_seek_frame_from_page(f, p[1].page_start, p[0].last_decoded_sample, sample_number, fine);
return 0;
}
return error(f, VORBIS_seek_failed);
}
}
int stb_vorbis_seek_frame(stb_vorbis *f, unsigned int sample_number)
{
return vorbis_seek_base(f, sample_number, FALSE);
}
int stb_vorbis_seek(stb_vorbis *f, unsigned int sample_number)
{
return vorbis_seek_base(f, sample_number, TRUE);
}
void stb_vorbis_seek_start(stb_vorbis *f)
{
if (IS_PUSH_MODE(f)) { error(f, VORBIS_invalid_api_mixing); return; }
set_file_offset(f, f->first_audio_page_offset);
f->previous_length = 0;
f->first_decode = TRUE;
f->next_seg = -1;
vorbis_pump_first_frame(f);
}
unsigned int stb_vorbis_stream_length_in_samples(stb_vorbis *f)
{
unsigned int restore_offset, previous_safe;
unsigned int end, last_page_loc;
if (IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
if (!f->total_samples) {
unsigned int last;
uint32 lo,hi;
char header[6];
// first, store the current decode position so we can restore it
restore_offset = stb_vorbis_get_file_offset(f);
// now we want to seek back 64K from the end (the last page must
// be at most a little less than 64K, but let's allow a little slop)
if (f->stream_len >= 65536 && f->stream_len-65536 >= f->first_audio_page_offset)
previous_safe = f->stream_len - 65536;
else
previous_safe = f->first_audio_page_offset;
set_file_offset(f, previous_safe);
// previous_safe is now our candidate 'earliest known place that seeking
// to will lead to the final page'
if (!vorbis_find_page(f, &end, &last)) {
// if we can't find a page, we're hosed!
f->error = VORBIS_cant_find_last_page;
f->total_samples = 0xffffffff;
goto done;
}
// check if there are more pages
last_page_loc = stb_vorbis_get_file_offset(f);
// stop when the last_page flag is set, not when we reach eof;
// this allows us to stop short of a 'file_section' end without
// explicitly checking the length of the section
while (!last) {
set_file_offset(f, end);
if (!vorbis_find_page(f, &end, &last)) {
// the last page we found didn't have the 'last page' flag
// set. whoops!
break;
}
previous_safe = last_page_loc+1;
last_page_loc = stb_vorbis_get_file_offset(f);
}
set_file_offset(f, last_page_loc);
// parse the header
getn(f, (unsigned char *)header, 6);
// extract the absolute granule position
lo = get32(f);
hi = get32(f);
if (lo == 0xffffffff && hi == 0xffffffff) {
f->error = VORBIS_cant_find_last_page;
f->total_samples = SAMPLE_unknown;
goto done;
}
if (hi)
lo = 0xfffffffe; // saturate
f->total_samples = lo;
f->p_last.page_start = last_page_loc;
f->p_last.page_end = end;
f->p_last.last_decoded_sample = lo;
f->p_last.first_decoded_sample = SAMPLE_unknown;
f->p_last.after_previous_page_start = previous_safe;
done:
set_file_offset(f, restore_offset);
}
return f->total_samples == SAMPLE_unknown ? 0 : f->total_samples;
}
float stb_vorbis_stream_length_in_seconds(stb_vorbis *f)
{
return stb_vorbis_stream_length_in_samples(f) / (float) f->sample_rate;
}
int stb_vorbis_get_frame_float(stb_vorbis *f, int *channels, float ***output)
{
int len, right,left,i;
if (IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
if (!vorbis_decode_packet(f, &len, &left, &right)) {
f->channel_buffer_start = f->channel_buffer_end = 0;
return 0;
}
len = vorbis_finish_frame(f, len, left, right);
for (i=0; i < f->channels; ++i)
f->outputs[i] = f->channel_buffers[i] + left;
f->channel_buffer_start = left;
f->channel_buffer_end = left+len;
if (channels) *channels = f->channels;
if (output) *output = f->outputs;
return len;
}
#ifndef STB_VORBIS_NO_STDIO
stb_vorbis * stb_vorbis_open_file_section(FILE *file, int close_on_free, int *error, stb_vorbis_alloc *alloc, unsigned int length)
{
stb_vorbis *f, p;
vorbis_init(&p, alloc);
p.f = file;
p.f_start = ftell(file);
p.stream_len = length;
p.close_on_free = close_on_free;
if (start_decoder(&p)) {
f = vorbis_alloc(&p);
if (f) {
*f = p;
vorbis_pump_first_frame(f);
return f;
}
}
if (error) *error = p.error;
vorbis_deinit(&p);
return NULL;
}
stb_vorbis * stb_vorbis_open_file(FILE *file, int close_on_free, int *error, stb_vorbis_alloc *alloc)
{
unsigned int len, start;
start = ftell(file);
fseek(file, 0, SEEK_END);
len = ftell(file) - start;
fseek(file, start, SEEK_SET);
return stb_vorbis_open_file_section(file, close_on_free, error, alloc, len);
}
stb_vorbis * stb_vorbis_open_filename(const char *filename, int *error, stb_vorbis_alloc *alloc)
{
FILE *f = fopen(filename, "rb");
if (f)
return stb_vorbis_open_file(f, TRUE, error, alloc);
if (error) *error = VORBIS_file_open_failure;
return NULL;
}
#endif // STB_VORBIS_NO_STDIO
stb_vorbis * stb_vorbis_open_memory(const unsigned char *data, int len, int *error, stb_vorbis_alloc *alloc)
{
stb_vorbis *f, p;
if (data == NULL) return NULL;
vorbis_init(&p, alloc);
p.stream = (uint8 *) data;
p.stream_end = (uint8 *) data + len;
p.stream_start = (uint8 *) p.stream;
p.stream_len = len;
p.push_mode = FALSE;
if (start_decoder(&p)) {
f = vorbis_alloc(&p);
if (f) {
*f = p;
vorbis_pump_first_frame(f);
return f;
}
}
if (error) *error = p.error;
vorbis_deinit(&p);
return NULL;
}
#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
#define PLAYBACK_MONO 1
#define PLAYBACK_LEFT 2
#define PLAYBACK_RIGHT 4
#define L (PLAYBACK_LEFT | PLAYBACK_MONO)
#define C (PLAYBACK_LEFT | PLAYBACK_RIGHT | PLAYBACK_MONO)
#define R (PLAYBACK_RIGHT | PLAYBACK_MONO)
static int8 channel_position[7][6] =
{
{ 0 },
{ C },
{ L, R },
{ L, C, R },
{ L, R, L, R },
{ L, C, R, L, R },
{ L, C, R, L, R, C },
};
#ifndef STB_VORBIS_NO_FAST_SCALED_FLOAT
typedef union {
float f;
int i;
} float_conv;
typedef char stb_vorbis_float_size_test[sizeof(float)==4 && sizeof(int) == 4];
#define FASTDEF(x) float_conv x
// add (1<<23) to convert to int, then divide by 2^SHIFT, then add 0.5/2^SHIFT to round
#define MAGIC(SHIFT) (1.5f * (1 << (23-SHIFT)) + 0.5f/(1 << SHIFT))
#define ADDEND(SHIFT) (((150-SHIFT) << 23) + (1 << 22))
#define FAST_SCALED_FLOAT_TO_INT(temp,x,s) (temp.f = (x) + MAGIC(s), temp.i - ADDEND(s))
#define check_endianness()
#else
#define FAST_SCALED_FLOAT_TO_INT(temp,x,s) ((int) ((x) * (1 << (s))))
#define check_endianness()
#define FASTDEF(x)
#endif
static void copy_samples(short *dest, float *src, int len)
{
int i;
check_endianness();
for (i=0; i < len; ++i) {
FASTDEF(temp);
int v = FAST_SCALED_FLOAT_TO_INT(temp, src[i],15);
if ((unsigned int) (v + 32768) > 65535)
v = v < 0 ? -32768 : 32767;
dest[i] = v;
}
}
static void compute_samples(int mask, short *output, int num_c, float **data, int d_offset, int len)
{
#define BUFFER_SIZE 32
float buffer[BUFFER_SIZE];
int i,j,o,n = BUFFER_SIZE;
check_endianness();
for (o = 0; o < len; o += BUFFER_SIZE) {
memset(buffer, 0, sizeof(buffer));
if (o + n > len) n = len - o;
for (j=0; j < num_c; ++j) {
if (channel_position[num_c][j] & mask) {
for (i=0; i < n; ++i)
buffer[i] += data[j][d_offset+o+i];
}
}
for (i=0; i < n; ++i) {
FASTDEF(temp);
int v = FAST_SCALED_FLOAT_TO_INT(temp,buffer[i],15);
if ((unsigned int) (v + 32768) > 65535)
v = v < 0 ? -32768 : 32767;
output[o+i] = v;
}
}
}
static void compute_stereo_samples(short *output, int num_c, float **data, int d_offset, int len)
{
#define BUFFER_SIZE 32
float buffer[BUFFER_SIZE];
int i,j,o,n = BUFFER_SIZE >> 1;
// o is the offset in the source data
check_endianness();
for (o = 0; o < len; o += BUFFER_SIZE >> 1) {
// o2 is the offset in the output data
int o2 = o << 1;
memset(buffer, 0, sizeof(buffer));
if (o + n > len) n = len - o;
for (j=0; j < num_c; ++j) {
int m = channel_position[num_c][j] & (PLAYBACK_LEFT | PLAYBACK_RIGHT);
if (m == (PLAYBACK_LEFT | PLAYBACK_RIGHT)) {
for (i=0; i < n; ++i) {
buffer[i*2+0] += data[j][d_offset+o+i];
buffer[i*2+1] += data[j][d_offset+o+i];
}
} else if (m == PLAYBACK_LEFT) {
for (i=0; i < n; ++i) {
buffer[i*2+0] += data[j][d_offset+o+i];
}
} else if (m == PLAYBACK_RIGHT) {
for (i=0; i < n; ++i) {
buffer[i*2+1] += data[j][d_offset+o+i];
}
}
}
for (i=0; i < (n<<1); ++i) {
FASTDEF(temp);
int v = FAST_SCALED_FLOAT_TO_INT(temp,buffer[i],15);
if ((unsigned int) (v + 32768) > 65535)
v = v < 0 ? -32768 : 32767;
output[o2+i] = v;
}
}
}
static void convert_samples_short(int buf_c, short **buffer, int b_offset, int data_c, float **data, int d_offset, int samples)
{
int i;
if (buf_c != data_c && buf_c <= 2 && data_c <= 6) {
static int channel_selector[3][2] = { {0}, {PLAYBACK_MONO}, {PLAYBACK_LEFT, PLAYBACK_RIGHT} };
for (i=0; i < buf_c; ++i)
compute_samples(channel_selector[buf_c][i], buffer[i]+b_offset, data_c, data, d_offset, samples);
} else {
int limit = buf_c < data_c ? buf_c : data_c;
for (i=0; i < limit; ++i)
copy_samples(buffer[i]+b_offset, data[i]+d_offset, samples);
for ( ; i < buf_c; ++i)
memset(buffer[i]+b_offset, 0, sizeof(short) * samples);
}
}
int stb_vorbis_get_frame_short(stb_vorbis *f, int num_c, short **buffer, int num_samples)
{
float **output;
int len = stb_vorbis_get_frame_float(f, NULL, &output);
if (len > num_samples) len = num_samples;
if (len)
convert_samples_short(num_c, buffer, 0, f->channels, output, 0, len);
return len;
}
static void convert_channels_short_interleaved(int buf_c, short *buffer, int data_c, float **data, int d_offset, int len)
{
int i;
check_endianness();
if (buf_c != data_c && buf_c <= 2 && data_c <= 6) {
assert(buf_c == 2);
for (i=0; i < buf_c; ++i)
compute_stereo_samples(buffer, data_c, data, d_offset, len);
} else {
int limit = buf_c < data_c ? buf_c : data_c;
int j;
for (j=0; j < len; ++j) {
for (i=0; i < limit; ++i) {
FASTDEF(temp);
float f = data[i][d_offset+j];
int v = FAST_SCALED_FLOAT_TO_INT(temp, f,15);//data[i][d_offset+j],15);
if ((unsigned int) (v + 32768) > 65535)
v = v < 0 ? -32768 : 32767;
*buffer++ = v;
}
for ( ; i < buf_c; ++i)
*buffer++ = 0;
}
}
}
int stb_vorbis_get_frame_short_interleaved(stb_vorbis *f, int num_c, short *buffer, int num_shorts)
{
float **output;
int len;
if (num_c == 1) return stb_vorbis_get_frame_short(f,num_c,&buffer, num_shorts);
len = stb_vorbis_get_frame_float(f, NULL, &output);
if (len) {
if (len*num_c > num_shorts) len = num_shorts / num_c;
convert_channels_short_interleaved(num_c, buffer, f->channels, output, 0, len);
}
return len;
}
int stb_vorbis_get_samples_short_interleaved(stb_vorbis *f, int channels, short *buffer, int num_shorts)
{
float **outputs;
int len = num_shorts / channels;
int n=0;
int z = f->channels;
if (z > channels) z = channels;
while (n < len) {
int k = f->channel_buffer_end - f->channel_buffer_start;
if (n+k >= len) k = len - n;
if (k)
convert_channels_short_interleaved(channels, buffer, f->channels, f->channel_buffers, f->channel_buffer_start, k);
buffer += k*channels;
n += k;
f->channel_buffer_start += k;
if (n == len) break;
if (!stb_vorbis_get_frame_float(f, NULL, &outputs)) break;
}
return n;
}
int stb_vorbis_get_samples_short(stb_vorbis *f, int channels, short **buffer, int len)
{
float **outputs;
int n=0;
int z = f->channels;
if (z > channels) z = channels;
while (n < len) {
int k = f->channel_buffer_end - f->channel_buffer_start;
if (n+k >= len) k = len - n;
if (k)
convert_samples_short(channels, buffer, n, f->channels, f->channel_buffers, f->channel_buffer_start, k);
n += k;
f->channel_buffer_start += k;
if (n == len) break;
if (!stb_vorbis_get_frame_float(f, NULL, &outputs)) break;
}
return n;
}
#ifndef STB_VORBIS_NO_STDIO
int stb_vorbis_decode_filename(const char *filename, int *channels, int *sample_rate, short **output)
{
int data_len, offset, total, limit, error;
short *data;
stb_vorbis *v = stb_vorbis_open_filename(filename, &error, NULL);
if (v == NULL) return -1;
limit = v->channels * 4096;
*channels = v->channels;
if (sample_rate)
*sample_rate = v->sample_rate;
offset = data_len = 0;
total = limit;
data = (short *) malloc(total * sizeof(*data));
if (data == NULL) {
stb_vorbis_close(v);
return -2;
}
for (;;) {
int n = stb_vorbis_get_frame_short_interleaved(v, v->channels, data+offset, total-offset);
if (n == 0) break;
data_len += n;
offset += n * v->channels;
if (offset + limit > total) {
short *data2;
total *= 2;
data2 = (short *) realloc(data, total * sizeof(*data));
if (data2 == NULL) {
free(data);
stb_vorbis_close(v);
return -2;
}
data = data2;
}
}
*output = data;
stb_vorbis_close(v);
return data_len;
}
#endif // NO_STDIO
int stb_vorbis_decode_memory(const uint8 *mem, int len, int *channels, int *sample_rate, short **output)
{
int data_len, offset, total, limit, error;
short *data;
stb_vorbis *v = stb_vorbis_open_memory(mem, len, &error, NULL);
if (v == NULL) return -1;
limit = v->channels * 4096;
*channels = v->channels;
if (sample_rate)
*sample_rate = v->sample_rate;
offset = data_len = 0;
total = limit;
data = (short *) malloc(total * sizeof(*data));
if (data == NULL) {
stb_vorbis_close(v);
return -2;
}
for (;;) {
int n = stb_vorbis_get_frame_short_interleaved(v, v->channels, data+offset, total-offset);
if (n == 0) break;
data_len += n;
offset += n * v->channels;
if (offset + limit > total) {
short *data2;
total *= 2;
data2 = (short *) realloc(data, total * sizeof(*data));
if (data2 == NULL) {
free(data);
stb_vorbis_close(v);
return -2;
}
data = data2;
}
}
*output = data;
stb_vorbis_close(v);
return data_len;
}
#endif // STB_VORBIS_NO_INTEGER_CONVERSION
int stb_vorbis_get_samples_float_interleaved(stb_vorbis *f, int channels, float *buffer, int num_floats)
{
float **outputs;
int len = num_floats / channels;
int n=0;
int z = f->channels;
if (z > channels) z = channels;
while (n < len) {
int i,j;
int k = f->channel_buffer_end - f->channel_buffer_start;
if (n+k >= len) k = len - n;
for (j=0; j < k; ++j) {
for (i=0; i < z; ++i)
*buffer++ = f->channel_buffers[i][f->channel_buffer_start+j];
for ( ; i < channels; ++i)
*buffer++ = 0;
}
n += k;
f->channel_buffer_start += k;
if (n == len)
break;
if (!stb_vorbis_get_frame_float(f, NULL, &outputs))
break;
}
return n;
}
int stb_vorbis_get_samples_float(stb_vorbis *f, int channels, float **buffer, int num_samples)
{
float **outputs;
int n=0;
int z = f->channels;
if (z > channels) z = channels;
while (n < num_samples) {
int i;
int k = f->channel_buffer_end - f->channel_buffer_start;
if (n+k >= num_samples) k = num_samples - n;
if (k) {
for (i=0; i < z; ++i)
memcpy(buffer[i]+n, f->channel_buffers[i]+f->channel_buffer_start, sizeof(float)*k);
for ( ; i < channels; ++i)
memset(buffer[i]+n, 0, sizeof(float) * k);
}
n += k;
f->channel_buffer_start += k;
if (n == num_samples)
break;
if (!stb_vorbis_get_frame_float(f, NULL, &outputs))
break;
}
return n;
}
#endif // STB_VORBIS_NO_PULLDATA_API
/* Version history
1.04 - 2014/08/27 - fix missing const-correct case in API
1.03 - 2014/08/07 - Warning fixes
1.02 - 2014/07/09 - Declare qsort compare function _cdecl on windows
1.01 - 2014/06/18 - fix stb_vorbis_get_samples_float
1.0 - 2014/05/26 - fix memory leaks; fix warnings; fix bugs in multichannel
(API change) report sample rate for decode-full-file funcs
0.99996 - bracket #include <malloc.h> for macintosh compilation by Laurent Gomila
0.99995 - use union instead of pointer-cast for fast-float-to-int to avoid alias-optimization problem
0.99994 - change fast-float-to-int to work in single-precision FPU mode, remove endian-dependence
0.99993 - remove assert that fired on legal files with empty tables
0.99992 - rewind-to-start
0.99991 - bugfix to stb_vorbis_get_samples_short by Bernhard Wodo
0.9999 - (should have been 0.99990) fix no-CRT support, compiling as C++
0.9998 - add a full-decode function with a memory source
0.9997 - fix a bug in the read-from-FILE case in 0.9996 addition
0.9996 - query length of vorbis stream in samples/seconds
0.9995 - bugfix to another optimization that only happened in certain files
0.9994 - bugfix to one of the optimizations that caused significant (but inaudible?) errors
0.9993 - performance improvements; runs in 99% to 104% of time of reference implementation
0.9992 - performance improvement of IMDCT; now performs close to reference implementation
0.9991 - performance improvement of IMDCT
0.999 - (should have been 0.9990) performance improvement of IMDCT
0.998 - no-CRT support from Casey Muratori
0.997 - bugfixes for bugs found by Terje Mathisen
0.996 - bugfix: fast-huffman decode initialized incorrectly for sparse codebooks; fixing gives 10% speedup - found by Terje Mathisen
0.995 - bugfix: fix to 'effective' overrun detection - found by Terje Mathisen
0.994 - bugfix: garbage decode on final VQ symbol of a non-multiple - found by Terje Mathisen
0.993 - bugfix: pushdata API required 1 extra byte for empty page (failed to consume final page if empty) - found by Terje Mathisen
0.992 - fixes for MinGW warning
0.991 - turn fast-float-conversion on by default
0.990 - fix push-mode seek recovery if you seek into the headers
0.98b - fix to bad release of 0.98
0.98 - fix push-mode seek recovery; robustify float-to-int and support non-fast mode
0.97 - builds under c++ (typecasting, don't use 'class' keyword)
0.96 - somehow MY 0.95 was right, but the web one was wrong, so here's my 0.95 rereleased as 0.96, fixes a typo in the clamping code
0.95 - clamping code for 16-bit functions
0.94 - not publically released
0.93 - fixed all-zero-floor case (was decoding garbage)
0.92 - fixed a memory leak
0.91 - conditional compiles to omit parts of the API and the infrastructure to support them: STB_VORBIS_NO_PULLDATA_API, STB_VORBIS_NO_PUSHDATA_API, STB_VORBIS_NO_STDIO, STB_VORBIS_NO_INTEGER_CONVERSION
0.90 - first public release
*/
#endif // STB_VORBIS_HEADER_ONLY
|
the_stack_data/287429.c
|
#include <stdio.h>
#include <string.h>
void tokenizer_r(char *stringa, FILE *out)
{
char* dovesonorimasto;
char* token = strtok_r(stringa, " ", &dovesonorimasto);
while(token != NULL)
{
fprintf(out, "%s\n", token);
token = strtok_r(NULL, " ", &dovesonorimasto);
}
}
int main(int argc, char* argv[])
{
int i;
for(i=1; i<argc; i++)
{
tokenizer_r(argv[i], stdout);
}
return 0;
}
|
the_stack_data/108786.c
|
/* This test program is part of GDB, the GNU debugger.
Copyright 2016-2021 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <unistd.h>
int
main (int argc, char ** argv)
{
const char *prog = "inf-exec2";
execlp (prog, prog, (char *) 0);
return 0;
}
|
the_stack_data/27571.c
|
/*
* ipv4_lib.c
*
* Created on: Oct 23, 2017
* Author: konrad
*/
#include <netinet/ip.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#define BUFFSIZE 4096 //define to keep size of buffer
//function to calculate checksum of ipv4 packet
unsigned short Checksum ( unsigned short *datagram, int nbytes )
{
//
long sum;
short answer;
sum=0;
while( nbytes > 1 ) {
sum += *datagram++;
nbytes -= 2;
}
sum = ( sum >> 16 ) + ( sum & 0xffff );
sum = sum + ( sum >> 16 );
answer = (short) ~sum;
//printf ("answer = %x:", answer);
return answer;
}
//function to print created packet, use after colleting header data
void PrintIpv4packet ( char *datagram, char *data ){
struct iphdr *iphd = (struct iphdr *) datagram;
//struct in_addr *addr;
printf ("\n\n---------- PACKET START ----------");
printf ("\nVersion: %d\n", iphd->version);
printf ("Ihl: %d\n", iphd->ihl);
printf ("tos: %d\n", iphd->tos);
printf ("tot len: %d\n", iphd->tot_len);
printf ("id: %d\n", ntohs(iphd->id));
printf ("frag off: %d\n", iphd->frag_off);
printf ("ttl: %d\n", iphd->ttl);
unsigned char *addr = (unsigned char *) & (iphd->saddr);
printf ("saddr: %d.%d.%d.%d\n", addr [0], addr [1], addr [2], addr [3]);
addr = (unsigned char *) & (iphd->daddr);
printf ("daddr: %d.%d.%d.%d\n", addr [0], addr [1], addr [2], addr [3]);
printf ("proto (ipv4): %d\n", iphd->protocol);
printf ("checksum: %x\n", iphd->check);
printf ("data: %s", data);
printf ("\n---------- PACKET END ----------\n");
}
//function to print header data in 2bytes notation
void PrintHeaderHex ( unsigned short *datagram ){
//struct iphdr *iphd = (struct iphdr *) dtgr;
//struct in_addr *addr;
printf ("\n---------- HEX START ----------\n");
for ( int i = 0; i < 10; i++ )
printf ("\n%d: %X", i, ntohs (datagram[i]));
printf ("\n---------- HEX END ----------\n");
}
//function to create ipv4 packet
unsigned short * CreateIpv4Packet (){
char sender_ip [32]; //sender address
char destination_ip [32]; //destination address
char *data;
//, datagram [BUFFSIZE]; //data to keep data field
//unsigned short *dtgr; //datagram to represents the packet
char *datagram = malloc ( BUFFSIZE );
//dtgr = malloc( sizeof (char *) ); //save memory for datagram
memset( datagram, 0, 4096 ); //clear datagram memory
struct iphdr *iph = (struct iphdr *) datagram; //IP header
//data part (jump after header adress)
data = (char *) datagram + sizeof (struct iphdr);
//fill field with some data
strcpy(data, "ABCDEFGHIJK");
char input [32]; //input buffer
//fill header fields
printf ("Creating IPv4 packet (if empty, set default): \n");
printf ("Internet header length (5): ");
fgets (input, 32, stdin);
if (atoi(input)== 0)
iph->ihl = 5; //internet header length
else
iph->ihl = atoi (input);
printf ("Version set to: 4. \n");
iph->version = 4; //version 4
printf ("Type of service (0): ");
fgets (input, 32, stdin);
if (atoi(input)== 0)
iph->tos = 0; //ype of service
else
iph->tos = atoi (input);
printf ("Total length will be calculated... \n");
iph->tot_len = sizeof (struct iphdr) + strlen(data); //total length
printf ("ID (54321): ");
fgets (input, 32, stdin);
if (atoi(input)== 0)
iph->id = htons (54321); //id
else
iph->id = htons (atoi(input));
printf ("Fragmentation offset (0): ");
fgets (input, 32, stdin);
if (atoi(input)== 0)
iph->frag_off = 0; //fragmentation offset
else
iph->frag_off = atoi (input);
printf ("Time to live (64): ");
fgets (input, 32, stdin);
if (atoi(input)== 0)
iph->ttl = 64; //time to live
else
iph->ttl = atoi (input);
printf ("Protocol set to IPv4...\n");
iph->protocol = IPPROTO_IP; //protocol
printf ("Checksum will be calculated...\n");
iph->check = 0; //checksum
printf ("Source address (192.168.1.1): ");
fgets (input, 32, stdin);
if (atoi(input)== 0)
iph->saddr = inet_addr("192.168.1.1"); //source address
else
iph->saddr = inet_addr(input);
printf ("Destination address (8.8.8.8): ");
fgets (input, 32, stdin);
if (atoi(input)== 0)
iph->daddr = inet_addr("8.8.8.8"); //destination address
else
iph->daddr = inet_addr(input);
printf ("Data automaticly set: %s\n", data); //data
iph->check = Checksum ( (unsigned short *) datagram, iph->tot_len );
//dtgr = (unsigned short *)datagram;
return (unsigned short *) datagram;
}
|
the_stack_data/248581186.c
|
#include<stdio.h>
#include<stdlib.h>
#define N 20
#define M 80
char val;
int isoprator(char ch)
{
if(ch=='^'||ch=='*'||ch=='/'||ch=='+'||ch=='-')
return(1);
else
return(0);
}
int isoprand(char ch)
{
if((ch>='0'&&ch<='9'
)||(ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
return(1);
else
return(0);
}
int prac(char ch)
{
if(ch=='^')
return(3);
else if(ch=='*'||ch=='/')
return(2);
else if(ch=='+'||ch=='-')
return(1);
else
return(0);
}
void push(char s[],int *top,char val)
{
if(*top<(N-1))
{
(*top)++;
s[*top]=val;
}
else
printf("stack is full\n");
}
char pop(char s[],int *top)
{
if((*top)>-1)
{
val=s[*top];
(*top)--;
return val;
}
else
printf("stack is empty\n");
return(-1);
}
int read(char s[],int top,int i)
{
if((top-i+1)>=0)
return s[top-i+1];
else
printf("not found\n");
}
int isempty(char s[],int top)
{
if(top==-1)
return(1);
else
return(0);
}
void infixtopostfix(char *i,char *p)
{
char s[N];int top=-1;
while(*i!='\0')
{
if(isoprand(*i))
{
*p=*i;
*i++;
*p++;
}
else if (*i=='(')
{
push(s,&top,'(');
*i++;
}
else if(*i==')')
{
while(read(s,top,1)!='(')
{
*p=pop(s,&top);
*p++;
}
*i++;
pop(s,&top);
}
else if(isempty(s,top)||read(s,top,1)=='('||prac(*i)>prac(read(s,top,1)))
{
push(s,&top,*i);
*i++;
}
else
{
*p=pop(s,&top);
*p++;
}
}
while(!isempty(s,top))
{
*p=pop(s,&top);
*p++;
}
}
int evaluate(char *p)
{
char s[N];
int top=-1;
int a=0,b=0,val=0,num,ans=0;
push(s,&top,'(');
while(*p!='\0')
{
if(isoprator(*p))
{
b=pop(s,&top);
a=pop(s,&top);
switch(*p)
{
case '+':
val=a+b;
push(s,&top,val);
*p++;
break;
case '-':
val=a-b;
push(s,&top,val);
*p++;
break;
case '*':
val=a*b;
push(s,&top,val);
*p++;
break;
case '/':
val=a/b;
push(s,&top,val);
*p++;
break;
case '^':
val=a^b;
push(s,&top,val);
*p++;
break;
}
}
else
{
num=*p-'0';
push(s,&top,num);
*p++;
}
}
ans=pop(s,&top);
return ans;
}
void main()
{ int ans;
char infix[M]={};
char postfix[M]={};
printf("Infix Expression = ");
scanf("%s",infix);
infixtopostfix(infix,postfix);
printf("Postfix Expression = %s",postfix);
ans=evaluate(postfix);
printf("\nAnswer of Postfix Evalution = %d",ans);
}
/* ""OUTPUT""
Infix Expression = 8+9*7
Postfix Expression = 897*+
Answer of Postfix Evalution = 71
*/
|
the_stack_data/86074479.c
|
/*
* Copyright (c) 1987, 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgment:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if ENABLE_FEATURE_OSF_LABEL
#ifndef BSD_DISKMAGIC
#define BSD_DISKMAGIC ((uint32_t) 0x82564557)
#endif
#ifndef BSD_MAXPARTITIONS
#define BSD_MAXPARTITIONS 16
#endif
#define BSD_LINUX_BOOTDIR "/usr/ucb/mdec"
#if defined(i386) || defined(__sparc__) || defined(__arm__) \
|| defined(__m68k__) || defined(__mips__) || defined(__s390__) \
|| defined(__s390__) || defined(__s390x__) \
|| defined(__sh__) || defined(__x86_64__) || defined(__avr32__)
# define BSD_LABELSECTOR 1
# define BSD_LABELOFFSET 0
#elif defined(__alpha__) || defined(__powerpc__) || defined(__ia64__) \
|| defined(__hppa__)
# define BSD_LABELSECTOR 0
# define BSD_LABELOFFSET 64
#else
# error unknown architecture
#endif
#define BSD_BBSIZE 8192 /* size of boot area, with label */
#define BSD_SBSIZE 8192 /* max size of fs superblock */
struct xbsd_disklabel {
uint32_t d_magic; /* the magic number */
int16_t d_type; /* drive type */
int16_t d_subtype; /* controller/d_type specific */
char d_typename[16]; /* type name, e.g. "eagle" */
char d_packname[16]; /* pack identifier */
/* disk geometry: */
uint32_t d_secsize; /* # of bytes per sector */
uint32_t d_nsectors; /* # of data sectors per track */
uint32_t d_ntracks; /* # of tracks per cylinder */
uint32_t d_ncylinders; /* # of data cylinders per unit */
uint32_t d_secpercyl; /* # of data sectors per cylinder */
uint32_t d_secperunit; /* # of data sectors per unit */
/*
* Spares (bad sector replacements) below
* are not counted in d_nsectors or d_secpercyl.
* Spare sectors are assumed to be physical sectors
* which occupy space at the end of each track and/or cylinder.
*/
uint16_t d_sparespertrack; /* # of spare sectors per track */
uint16_t d_sparespercyl; /* # of spare sectors per cylinder */
/*
* Alternate cylinders include maintenance, replacement,
* configuration description areas, etc.
*/
uint32_t d_acylinders; /* # of alt. cylinders per unit */
/* hardware characteristics: */
/*
* d_interleave, d_trackskew and d_cylskew describe perturbations
* in the media format used to compensate for a slow controller.
* Interleave is physical sector interleave, set up by the formatter
* or controller when formatting. When interleaving is in use,
* logically adjacent sectors are not physically contiguous,
* but instead are separated by some number of sectors.
* It is specified as the ratio of physical sectors traversed
* per logical sector. Thus an interleave of 1:1 implies contiguous
* layout, while 2:1 implies that logical sector 0 is separated
* by one sector from logical sector 1.
* d_trackskew is the offset of sector 0 on track N
* relative to sector 0 on track N-1 on the same cylinder.
* Finally, d_cylskew is the offset of sector 0 on cylinder N
* relative to sector 0 on cylinder N-1.
*/
uint16_t d_rpm; /* rotational speed */
uint16_t d_interleave; /* hardware sector interleave */
uint16_t d_trackskew; /* sector 0 skew, per track */
uint16_t d_cylskew; /* sector 0 skew, per cylinder */
uint32_t d_headswitch; /* head switch time, usec */
uint32_t d_trkseek; /* track-to-track seek, usec */
uint32_t d_flags; /* generic flags */
#define NDDATA 5
uint32_t d_drivedata[NDDATA]; /* drive-type specific information */
#define NSPARE 5
uint32_t d_spare[NSPARE]; /* reserved for future use */
uint32_t d_magic2; /* the magic number (again) */
uint16_t d_checksum; /* xor of data incl. partitions */
/* filesystem and partition information: */
uint16_t d_npartitions; /* number of partitions in following */
uint32_t d_bbsize; /* size of boot area at sn0, bytes */
uint32_t d_sbsize; /* max size of fs superblock, bytes */
struct xbsd_partition { /* the partition table */
uint32_t p_size; /* number of sectors in partition */
uint32_t p_offset; /* starting sector */
uint32_t p_fsize; /* filesystem basic fragment size */
uint8_t p_fstype; /* filesystem type, see below */
uint8_t p_frag; /* filesystem fragments per block */
uint16_t p_cpg; /* filesystem cylinders per group */
} d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
};
/* d_type values: */
#define BSD_DTYPE_SMD 1 /* SMD, XSMD; VAX hp/up */
#define BSD_DTYPE_MSCP 2 /* MSCP */
#define BSD_DTYPE_DEC 3 /* other DEC (rk, rl) */
#define BSD_DTYPE_SCSI 4 /* SCSI */
#define BSD_DTYPE_ESDI 5 /* ESDI interface */
#define BSD_DTYPE_ST506 6 /* ST506 etc. */
#define BSD_DTYPE_HPIB 7 /* CS/80 on HP-IB */
#define BSD_DTYPE_HPFL 8 /* HP Fiber-link */
#define BSD_DTYPE_FLOPPY 10 /* floppy */
/* d_subtype values: */
#define BSD_DSTYPE_INDOSPART 0x8 /* is inside dos partition */
#define BSD_DSTYPE_DOSPART(s) ((s) & 3) /* dos partition number */
#define BSD_DSTYPE_GEOMETRY 0x10 /* drive params in label */
static const char *const xbsd_dktypenames[] = {
"unknown",
"SMD",
"MSCP",
"old DEC",
"SCSI",
"ESDI",
"ST506",
"HP-IB",
"HP-FL",
"type 9",
"floppy",
0
};
/*
* Filesystem type and version.
* Used to interpret other filesystem-specific
* per-partition information.
*/
#define BSD_FS_UNUSED 0 /* unused */
#define BSD_FS_SWAP 1 /* swap */
#define BSD_FS_V6 2 /* Sixth Edition */
#define BSD_FS_V7 3 /* Seventh Edition */
#define BSD_FS_SYSV 4 /* System V */
#define BSD_FS_V71K 5 /* V7 with 1K blocks (4.1, 2.9) */
#define BSD_FS_V8 6 /* Eighth Edition, 4K blocks */
#define BSD_FS_BSDFFS 7 /* 4.2BSD fast file system */
#define BSD_FS_BSDLFS 9 /* 4.4BSD log-structured file system */
#define BSD_FS_OTHER 10 /* in use, but unknown/unsupported */
#define BSD_FS_HPFS 11 /* OS/2 high-performance file system */
#define BSD_FS_ISO9660 12 /* ISO-9660 filesystem (cdrom) */
#define BSD_FS_ISOFS BSD_FS_ISO9660
#define BSD_FS_BOOT 13 /* partition contains bootstrap */
#define BSD_FS_ADOS 14 /* AmigaDOS fast file system */
#define BSD_FS_HFS 15 /* Macintosh HFS */
#define BSD_FS_ADVFS 16 /* Digital Unix AdvFS */
/* this is annoying, but it's also the way it is :-( */
#ifdef __alpha__
#define BSD_FS_EXT2 8 /* ext2 file system */
#else
#define BSD_FS_MSDOS 8 /* MS-DOS file system */
#endif
static const char *const xbsd_fstypes[] = {
"\x00" "unused", /* BSD_FS_UNUSED */
"\x01" "swap", /* BSD_FS_SWAP */
"\x02" "Version 6", /* BSD_FS_V6 */
"\x03" "Version 7", /* BSD_FS_V7 */
"\x04" "System V", /* BSD_FS_SYSV */
"\x05" "4.1BSD", /* BSD_FS_V71K */
"\x06" "Eighth Edition", /* BSD_FS_V8 */
"\x07" "4.2BSD", /* BSD_FS_BSDFFS */
#ifdef __alpha__
"\x08" "ext2", /* BSD_FS_EXT2 */
#else
"\x08" "MS-DOS", /* BSD_FS_MSDOS */
#endif
"\x09" "4.4LFS", /* BSD_FS_BSDLFS */
"\x0a" "unknown", /* BSD_FS_OTHER */
"\x0b" "HPFS", /* BSD_FS_HPFS */
"\x0c" "ISO-9660", /* BSD_FS_ISO9660 */
"\x0d" "boot", /* BSD_FS_BOOT */
"\x0e" "ADOS", /* BSD_FS_ADOS */
"\x0f" "HFS", /* BSD_FS_HFS */
"\x10" "AdvFS", /* BSD_FS_ADVFS */
NULL
};
/*
* flags shared by various drives:
*/
#define BSD_D_REMOVABLE 0x01 /* removable media */
#define BSD_D_ECC 0x02 /* supports ECC */
#define BSD_D_BADSECT 0x04 /* supports bad sector forw. */
#define BSD_D_RAMDISK 0x08 /* disk emulator */
#define BSD_D_CHAIN 0x10 /* can do back-back transfers */
#define BSD_D_DOSPART 0x20 /* within MSDOS partition */
/*
Changes:
19990319 - Arnaldo Carvalho de Melo <[email protected]> - i18n/nls
20000101 - David Huggins-Daines <[email protected]> - Better
support for OSF/1 disklabels on Alpha.
Also fixed unaligned accesses in alpha_bootblock_checksum()
*/
#define FREEBSD_PARTITION 0xa5
#define NETBSD_PARTITION 0xa9
static void xbsd_delete_part(void);
static void xbsd_new_part(void);
static void xbsd_write_disklabel(void);
static int xbsd_create_disklabel(void);
static void xbsd_edit_disklabel(void);
static void xbsd_write_bootstrap(void);
static void xbsd_change_fstype(void);
static int xbsd_get_part_index(int max);
static int xbsd_check_new_partition(int *i);
static void xbsd_list_types(void);
static uint16_t xbsd_dkcksum(struct xbsd_disklabel *lp);
static int xbsd_initlabel(struct partition *p);
static int xbsd_readlabel(struct partition *p);
static int xbsd_writelabel(struct partition *p);
#if defined(__alpha__)
static void alpha_bootblock_checksum(char *boot);
#endif
#if !defined(__alpha__)
static int xbsd_translate_fstype(int linux_type);
static void xbsd_link_part(void);
static struct partition *xbsd_part;
static int xbsd_part_index;
#endif
/* Group big globals data and allocate it in one go */
struct bsd_globals {
/* We access this through a uint64_t * when checksumming */
/* hopefully xmalloc gives us required alignment */
char disklabelbuffer[BSD_BBSIZE];
struct xbsd_disklabel xbsd_dlabel;
};
static struct bsd_globals *bsd_globals_ptr;
#define disklabelbuffer (bsd_globals_ptr->disklabelbuffer)
#define xbsd_dlabel (bsd_globals_ptr->xbsd_dlabel)
/* Code */
#define bsd_cround(n) \
(display_in_cyl_units ? ((n)/xbsd_dlabel.d_secpercyl) + 1 : (n))
/*
* Test whether the whole disk has BSD disk label magic.
*
* Note: often reformatting with DOS-type label leaves the BSD magic,
* so this does not mean that there is a BSD disk label.
*/
static int
check_osf_label(void)
{
if (xbsd_readlabel(NULL) == 0)
return 0;
return 1;
}
static int
bsd_trydev(const char * dev)
{
if (xbsd_readlabel(NULL) == 0)
return -1;
printf("\nBSD label for device: %s\n", dev);
xbsd_print_disklabel(0);
return 0;
}
static void
bsd_menu(void)
{
puts("Command Action");
puts("d\tdelete a BSD partition");
puts("e\tedit drive data");
puts("i\tinstall bootstrap");
puts("l\tlist known filesystem types");
puts("n\tadd a new BSD partition");
puts("p\tprint BSD partition table");
puts("q\tquit without saving changes");
puts("r\treturn to main menu");
puts("s\tshow complete disklabel");
puts("t\tchange a partition's filesystem id");
puts("u\tchange units (cylinders/sectors)");
puts("w\twrite disklabel to disk");
#if !defined(__alpha__)
puts("x\tlink BSD partition to non-BSD partition");
#endif
}
#if !defined(__alpha__)
static int
hidden(int type)
{
return type ^ 0x10;
}
static int
is_bsd_partition_type(int type)
{
return (type == FREEBSD_PARTITION ||
type == hidden(FREEBSD_PARTITION) ||
type == NETBSD_PARTITION ||
type == hidden(NETBSD_PARTITION));
}
#endif
static void
bsd_select(void)
{
#if !defined(__alpha__)
int t, ss;
struct partition *p;
for (t = 0; t < 4; t++) {
p = get_part_table(t);
if (p && is_bsd_partition_type(p->sys_ind)) {
xbsd_part = p;
xbsd_part_index = t;
ss = get_start_sect(xbsd_part);
if (ss == 0) {
printf("Partition %s has invalid starting sector 0\n",
partname(disk_device, t+1, 0));
return;
}
printf("Reading disklabel of %s at sector %u\n",
partname(disk_device, t+1, 0), ss + BSD_LABELSECTOR);
if (xbsd_readlabel(xbsd_part) == 0)
if (xbsd_create_disklabel() == 0)
return;
break;
}
}
if (t == 4) {
printf("There is no *BSD partition on %s\n", disk_device);
return;
}
#elif defined(__alpha__)
if (xbsd_readlabel(NULL) == 0)
if (xbsd_create_disklabel() == 0)
exit(EXIT_SUCCESS);
#endif
while (1) {
bb_putchar('\n');
switch (tolower(read_nonempty("BSD disklabel command (m for help): "))) {
case 'd':
xbsd_delete_part();
break;
case 'e':
xbsd_edit_disklabel();
break;
case 'i':
xbsd_write_bootstrap();
break;
case 'l':
xbsd_list_types();
break;
case 'n':
xbsd_new_part();
break;
case 'p':
xbsd_print_disklabel(0);
break;
case 'q':
if (ENABLE_FEATURE_CLEAN_UP)
close_dev_fd();
exit(EXIT_SUCCESS);
case 'r':
return;
case 's':
xbsd_print_disklabel(1);
break;
case 't':
xbsd_change_fstype();
break;
case 'u':
change_units();
break;
case 'w':
xbsd_write_disklabel();
break;
#if !defined(__alpha__)
case 'x':
xbsd_link_part();
break;
#endif
default:
bsd_menu();
break;
}
}
}
static void
xbsd_delete_part(void)
{
int i;
i = xbsd_get_part_index(xbsd_dlabel.d_npartitions);
xbsd_dlabel.d_partitions[i].p_size = 0;
xbsd_dlabel.d_partitions[i].p_offset = 0;
xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
if (xbsd_dlabel.d_npartitions == i + 1)
while (xbsd_dlabel.d_partitions[xbsd_dlabel.d_npartitions-1].p_size == 0)
xbsd_dlabel.d_npartitions--;
}
static void
xbsd_new_part(void)
{
off_t begin, end;
char mesg[256];
int i;
if (!xbsd_check_new_partition(&i))
return;
#if !defined(__alpha__) && !defined(__powerpc__) && !defined(__hppa__)
begin = get_start_sect(xbsd_part);
end = begin + get_nr_sects(xbsd_part) - 1;
#else
begin = 0;
end = xbsd_dlabel.d_secperunit - 1;
#endif
snprintf(mesg, sizeof(mesg), "First %s", str_units(SINGULAR));
begin = read_int(bsd_cround(begin), bsd_cround(begin), bsd_cround(end),
0, mesg);
if (display_in_cyl_units)
begin = (begin - 1) * xbsd_dlabel.d_secpercyl;
snprintf(mesg, sizeof(mesg), "Last %s or +size or +sizeM or +sizeK",
str_units(SINGULAR));
end = read_int(bsd_cround(begin), bsd_cround(end), bsd_cround(end),
bsd_cround(begin), mesg);
if (display_in_cyl_units)
end = end * xbsd_dlabel.d_secpercyl - 1;
xbsd_dlabel.d_partitions[i].p_size = end - begin + 1;
xbsd_dlabel.d_partitions[i].p_offset = begin;
xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
}
static void
xbsd_print_disklabel(int show_all)
{
struct xbsd_disklabel *lp = &xbsd_dlabel;
struct xbsd_partition *pp;
int i, j;
if (show_all) {
static const int d_masks[] = { BSD_D_REMOVABLE, BSD_D_ECC, BSD_D_BADSECT };
#if defined(__alpha__)
printf("# %s:\n", disk_device);
#else
printf("# %s:\n", partname(disk_device, xbsd_part_index+1, 0));
#endif
if ((unsigned) lp->d_type < ARRAY_SIZE(xbsd_dktypenames)-1)
printf("type: %s\n", xbsd_dktypenames[lp->d_type]);
else
printf("type: %u\n", lp->d_type);
printf("disk: %.*s\n", (int) sizeof(lp->d_typename), lp->d_typename);
printf("label: %.*s\n", (int) sizeof(lp->d_packname), lp->d_packname);
printf("flags: ");
print_flags_separated(d_masks, "removable\0""ecc\0""badsect\0", lp->d_flags, " ");
bb_putchar('\n');
/* On various machines the fields of *lp are short/int/long */
/* In order to avoid problems, we cast them all to long. */
printf("bytes/sector: %lu\n", (long) lp->d_secsize);
printf("sectors/track: %lu\n", (long) lp->d_nsectors);
printf("tracks/cylinder: %lu\n", (long) lp->d_ntracks);
printf("sectors/cylinder: %lu\n", (long) lp->d_secpercyl);
printf("cylinders: %lu\n", (long) lp->d_ncylinders);
printf("rpm: %u\n", lp->d_rpm);
printf("interleave: %u\n", lp->d_interleave);
printf("trackskew: %u\n", lp->d_trackskew);
printf("cylinderskew: %u\n", lp->d_cylskew);
printf("headswitch: %lu\t\t# milliseconds\n",
(long) lp->d_headswitch);
printf("track-to-track seek: %lu\t# milliseconds\n",
(long) lp->d_trkseek);
printf("drivedata: ");
for (i = NDDATA - 1; i >= 0; i--)
if (lp->d_drivedata[i])
break;
if (i < 0)
i = 0;
for (j = 0; j <= i; j++)
printf("%lu ", (long) lp->d_drivedata[j]);
}
printf("\n%u partitions:\n", lp->d_npartitions);
printf("# start end size fstype [fsize bsize cpg]\n");
pp = lp->d_partitions;
for (i = 0; i < lp->d_npartitions; i++, pp++) {
if (pp->p_size) {
if (display_in_cyl_units && lp->d_secpercyl) {
printf(" %c: %8lu%c %8lu%c %8lu%c ",
'a' + i,
(unsigned long) pp->p_offset / lp->d_secpercyl + 1,
(pp->p_offset % lp->d_secpercyl) ? '*' : ' ',
(unsigned long) (pp->p_offset + pp->p_size + lp->d_secpercyl - 1) / lp->d_secpercyl,
((pp->p_offset + pp->p_size) % lp->d_secpercyl) ? '*' : ' ',
(long) pp->p_size / lp->d_secpercyl,
(pp->p_size % lp->d_secpercyl) ? '*' : ' '
);
} else {
printf(" %c: %8lu %8lu %8lu ",
'a' + i,
(long) pp->p_offset,
(long) pp->p_offset + pp->p_size - 1,
(long) pp->p_size
);
}
if ((unsigned) pp->p_fstype < ARRAY_SIZE(xbsd_fstypes)-1)
printf("%8.8s", xbsd_fstypes[pp->p_fstype]);
else
printf("%8x", pp->p_fstype);
switch (pp->p_fstype) {
case BSD_FS_UNUSED:
printf(" %5lu %5lu %5.5s ",
(long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, "");
break;
case BSD_FS_BSDFFS:
printf(" %5lu %5lu %5u ",
(long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, pp->p_cpg);
break;
default:
printf("%22.22s", "");
break;
}
bb_putchar('\n');
}
}
}
static void
xbsd_write_disklabel(void)
{
#if defined(__alpha__)
printf("Writing disklabel to %s\n", disk_device);
xbsd_writelabel(NULL);
#else
printf("Writing disklabel to %s\n",
partname(disk_device, xbsd_part_index + 1, 0));
xbsd_writelabel(xbsd_part);
#endif
reread_partition_table(0); /* no exit yet */
}
static int
xbsd_create_disklabel(void)
{
char c;
#if defined(__alpha__)
printf("%s contains no disklabel\n", disk_device);
#else
printf("%s contains no disklabel\n",
partname(disk_device, xbsd_part_index + 1, 0));
#endif
while (1) {
c = read_nonempty("Do you want to create a disklabel? (y/n) ");
if ((c|0x20) == 'y') {
if (xbsd_initlabel(
#if defined(__alpha__) || defined(__powerpc__) || defined(__hppa__) || \
defined(__s390__) || defined(__s390x__)
NULL
#else
xbsd_part
#endif
) == 1) {
xbsd_print_disklabel(1);
return 1;
}
return 0;
}
if ((c|0x20) == 'n')
return 0;
}
}
static int
edit_int(int def, const char *mesg)
{
mesg = xasprintf("%s (%u): ", mesg, def);
do {
if (!read_line(mesg))
goto ret;
} while (!isdigit(*line_ptr));
def = atoi(line_ptr);
ret:
free((char*)mesg);
return def;
}
static void
xbsd_edit_disklabel(void)
{
struct xbsd_disklabel *d;
d = &xbsd_dlabel;
#if defined(__alpha__) || defined(__ia64__)
d->d_secsize = edit_int(d->d_secsize , "bytes/sector");
d->d_nsectors = edit_int(d->d_nsectors , "sectors/track");
d->d_ntracks = edit_int(d->d_ntracks , "tracks/cylinder");
d->d_ncylinders = edit_int(d->d_ncylinders , "cylinders");
#endif
/* d->d_secpercyl can be != d->d_nsectors * d->d_ntracks */
while (1) {
d->d_secpercyl = edit_int(d->d_nsectors * d->d_ntracks,
"sectors/cylinder");
if (d->d_secpercyl <= d->d_nsectors * d->d_ntracks)
break;
printf("Must be <= sectors/track * tracks/cylinder (default)\n");
}
d->d_rpm = edit_int(d->d_rpm , "rpm");
d->d_interleave = edit_int(d->d_interleave, "interleave");
d->d_trackskew = edit_int(d->d_trackskew , "trackskew");
d->d_cylskew = edit_int(d->d_cylskew , "cylinderskew");
d->d_headswitch = edit_int(d->d_headswitch, "headswitch");
d->d_trkseek = edit_int(d->d_trkseek , "track-to-track seek");
d->d_secperunit = d->d_secpercyl * d->d_ncylinders;
}
static int
xbsd_get_bootstrap(char *path, void *ptr, int size)
{
int fdb;
fdb = open_or_warn(path, O_RDONLY);
if (fdb < 0) {
return 0;
}
if (full_read(fdb, ptr, size) < 0) {
bb_simple_perror_msg(path);
close(fdb);
return 0;
}
printf(" ... %s\n", path);
close(fdb);
return 1;
}
static void
sync_disks(void)
{
printf("Syncing disks\n");
sync();
/* sleep(4); What? */
}
static void
xbsd_write_bootstrap(void)
{
char path[MAXPATHLEN];
const char *bootdir = BSD_LINUX_BOOTDIR;
const char *dkbasename;
struct xbsd_disklabel dl;
char *d, *p, *e;
int sector;
if (xbsd_dlabel.d_type == BSD_DTYPE_SCSI)
dkbasename = "sd";
else
dkbasename = "wd";
snprintf(path, sizeof(path), "Bootstrap: %sboot -> boot%s (%s): ",
dkbasename, dkbasename, dkbasename);
if (read_line(path)) {
dkbasename = line_ptr;
}
snprintf(path, sizeof(path), "%s/%sboot", bootdir, dkbasename);
if (!xbsd_get_bootstrap(path, disklabelbuffer, (int) xbsd_dlabel.d_secsize))
return;
/* We need a backup of the disklabel (xbsd_dlabel might have changed). */
d = &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE];
memmove(&dl, d, sizeof(struct xbsd_disklabel));
/* The disklabel will be overwritten by 0's from bootxx anyway */
memset(d, 0, sizeof(struct xbsd_disklabel));
snprintf(path, sizeof(path), "%s/boot%s", bootdir, dkbasename);
if (!xbsd_get_bootstrap(path, &disklabelbuffer[xbsd_dlabel.d_secsize],
(int) xbsd_dlabel.d_bbsize - xbsd_dlabel.d_secsize))
return;
e = d + sizeof(struct xbsd_disklabel);
for (p = d; p < e; p++)
if (*p) {
printf("Bootstrap overlaps with disk label!\n");
exit(EXIT_FAILURE);
}
memmove(d, &dl, sizeof(struct xbsd_disklabel));
#if defined(__powerpc__) || defined(__hppa__)
sector = 0;
#elif defined(__alpha__)
sector = 0;
alpha_bootblock_checksum(disklabelbuffer);
#else
sector = get_start_sect(xbsd_part);
#endif
seek_sector(sector);
xwrite(dev_fd, disklabelbuffer, BSD_BBSIZE);
#if defined(__alpha__)
printf("Bootstrap installed on %s\n", disk_device);
#else
printf("Bootstrap installed on %s\n",
partname(disk_device, xbsd_part_index+1, 0));
#endif
sync_disks();
}
static void
xbsd_change_fstype(void)
{
int i;
i = xbsd_get_part_index(xbsd_dlabel.d_npartitions);
xbsd_dlabel.d_partitions[i].p_fstype = read_hex(xbsd_fstypes);
}
static int
xbsd_get_part_index(int max)
{
char prompt[sizeof("Partition (a-%c): ") + 16];
char l;
snprintf(prompt, sizeof(prompt), "Partition (a-%c): ", 'a' + max - 1);
do
l = tolower(read_nonempty(prompt));
while (l < 'a' || l > 'a' + max - 1);
return l - 'a';
}
static int
xbsd_check_new_partition(int *i)
{
/* room for more? various BSD flavours have different maxima */
if (xbsd_dlabel.d_npartitions == BSD_MAXPARTITIONS) {
int t;
for (t = 0; t < BSD_MAXPARTITIONS; t++)
if (xbsd_dlabel.d_partitions[t].p_size == 0)
break;
if (t == BSD_MAXPARTITIONS) {
printf("The maximum number of partitions has been created\n");
return 0;
}
}
*i = xbsd_get_part_index(BSD_MAXPARTITIONS);
if (*i >= xbsd_dlabel.d_npartitions)
xbsd_dlabel.d_npartitions = (*i) + 1;
if (xbsd_dlabel.d_partitions[*i].p_size != 0) {
printf("This partition already exists\n");
return 0;
}
return 1;
}
static void
xbsd_list_types(void)
{
list_types(xbsd_fstypes);
}
static uint16_t
xbsd_dkcksum(struct xbsd_disklabel *lp)
{
uint16_t *start, *end;
uint16_t sum = 0;
start = (uint16_t *) lp;
end = (uint16_t *) &lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return sum;
}
static int
xbsd_initlabel(struct partition *p)
{
struct xbsd_disklabel *d = &xbsd_dlabel;
struct xbsd_partition *pp;
get_geometry();
memset(d, 0, sizeof(struct xbsd_disklabel));
d->d_magic = BSD_DISKMAGIC;
if (strncmp(disk_device, "/dev/sd", 7) == 0)
d->d_type = BSD_DTYPE_SCSI;
else
d->d_type = BSD_DTYPE_ST506;
#if !defined(__alpha__)
d->d_flags = BSD_D_DOSPART;
#else
d->d_flags = 0;
#endif
d->d_secsize = SECTOR_SIZE; /* bytes/sector */
d->d_nsectors = g_sectors; /* sectors/track */
d->d_ntracks = g_heads; /* tracks/cylinder (heads) */
d->d_ncylinders = g_cylinders;
d->d_secpercyl = g_sectors * g_heads;/* sectors/cylinder */
if (d->d_secpercyl == 0)
d->d_secpercyl = 1; /* avoid segfaults */
d->d_secperunit = d->d_secpercyl * d->d_ncylinders;
d->d_rpm = 3600;
d->d_interleave = 1;
d->d_trackskew = 0;
d->d_cylskew = 0;
d->d_headswitch = 0;
d->d_trkseek = 0;
d->d_magic2 = BSD_DISKMAGIC;
d->d_bbsize = BSD_BBSIZE;
d->d_sbsize = BSD_SBSIZE;
#if !defined(__alpha__)
d->d_npartitions = 4;
pp = &d->d_partitions[2]; /* Partition C should be NetBSD partition */
pp->p_offset = get_start_sect(p);
pp->p_size = get_nr_sects(p);
pp->p_fstype = BSD_FS_UNUSED;
pp = &d->d_partitions[3]; /* Partition D should be whole disk */
pp->p_offset = 0;
pp->p_size = d->d_secperunit;
pp->p_fstype = BSD_FS_UNUSED;
#else
d->d_npartitions = 3;
pp = &d->d_partitions[2]; /* Partition C should be
the whole disk */
pp->p_offset = 0;
pp->p_size = d->d_secperunit;
pp->p_fstype = BSD_FS_UNUSED;
#endif
return 1;
}
/*
* Read a xbsd_disklabel from sector 0 or from the starting sector of p.
* If it has the right magic, return 1.
*/
static int
xbsd_readlabel(struct partition *p)
{
struct xbsd_disklabel *d;
int t, sector;
if (!bsd_globals_ptr)
bsd_globals_ptr = xzalloc(sizeof(*bsd_globals_ptr));
d = &xbsd_dlabel;
/* p is used only to get the starting sector */
#if !defined(__alpha__)
sector = (p ? get_start_sect(p) : 0);
#else
sector = 0;
#endif
seek_sector(sector);
if (BSD_BBSIZE != full_read(dev_fd, disklabelbuffer, BSD_BBSIZE))
fdisk_fatal(unable_to_read);
memmove(d, &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
sizeof(struct xbsd_disklabel));
if (d->d_magic != BSD_DISKMAGIC || d->d_magic2 != BSD_DISKMAGIC)
return 0;
for (t = d->d_npartitions; t < BSD_MAXPARTITIONS; t++) {
d->d_partitions[t].p_size = 0;
d->d_partitions[t].p_offset = 0;
d->d_partitions[t].p_fstype = BSD_FS_UNUSED;
}
if (d->d_npartitions > BSD_MAXPARTITIONS)
printf("Warning: too many partitions (%u, maximum is %u)\n",
d->d_npartitions, BSD_MAXPARTITIONS);
return 1;
}
static int
xbsd_writelabel(struct partition *p)
{
struct xbsd_disklabel *d = &xbsd_dlabel;
unsigned int sector;
#if !defined(__alpha__) && !defined(__powerpc__) && !defined(__hppa__)
sector = get_start_sect(p) + BSD_LABELSECTOR;
#else
(void)p; /* silence warning */
sector = BSD_LABELSECTOR;
#endif
d->d_checksum = 0;
d->d_checksum = xbsd_dkcksum(d);
/* This is necessary if we want to write the bootstrap later,
otherwise we'd write the old disklabel with the bootstrap.
*/
memmove(&disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
d, sizeof(struct xbsd_disklabel));
#if defined(__alpha__) && BSD_LABELSECTOR == 0
alpha_bootblock_checksum(disklabelbuffer);
seek_sector(0);
xwrite(dev_fd, disklabelbuffer, BSD_BBSIZE);
#else
seek_sector(sector);
lseek(dev_fd, BSD_LABELOFFSET, SEEK_CUR);
xwrite(dev_fd, d, sizeof(*d));
#endif
sync_disks();
return 1;
}
#if !defined(__alpha__)
static int
xbsd_translate_fstype(int linux_type)
{
switch (linux_type) {
case 0x01: /* DOS 12-bit FAT */
case 0x04: /* DOS 16-bit <32M */
case 0x06: /* DOS 16-bit >=32M */
case 0xe1: /* DOS access */
case 0xe3: /* DOS R/O */
case 0xf2: /* DOS secondary */
return BSD_FS_MSDOS;
case 0x07: /* OS/2 HPFS */
return BSD_FS_HPFS;
default:
return BSD_FS_OTHER;
}
}
static void
xbsd_link_part(void)
{
int k, i;
struct partition *p;
k = get_partition(1, g_partitions);
if (!xbsd_check_new_partition(&i))
return;
p = get_part_table(k);
xbsd_dlabel.d_partitions[i].p_size = get_nr_sects(p);
xbsd_dlabel.d_partitions[i].p_offset = get_start_sect(p);
xbsd_dlabel.d_partitions[i].p_fstype = xbsd_translate_fstype(p->sys_ind);
}
#endif
#if defined(__alpha__)
static void
alpha_bootblock_checksum(char *boot)
{
uint64_t *dp, sum;
int i;
dp = (uint64_t *)boot;
sum = 0;
for (i = 0; i < 63; i++)
sum += dp[i];
dp[63] = sum;
}
#endif /* __alpha__ */
/* Undefine 'global' tricks */
#undef disklabelbuffer
#undef xbsd_dlabel
#endif /* OSF_LABEL */
|
the_stack_data/184517774.c
|
#include <stdio.h>
int xmx(int m,int n)
{
if(m==n||n==0)
return 1;
if(n==1||m==n+1)
return m;
else
return xmx(m-1,n-1)+xmx(m-1,n);
}
int main()
{
int m,n;
scanf("%d%d",&m,&n);
printf("%d",xmx(m,n));
return 0;
}
|
the_stack_data/31387403.c
|
/* { dg-options { -nostartfiles below100.o -Tbelow100.ld -O2 } } */
/* { dg-final { scan-assembler "b\[np\] B100A\\+1,#3," } } */
/* { dg-final { scan-assembler "b\[np\] B100B\\+1,#3," } } */
char acDummy[0xf0] __attribute__ ((__BELOW100__));
unsigned short B100A __attribute__ ((__BELOW100__)) = 0x1234;
unsigned short *pA = &B100A;
unsigned short B100B __attribute__ ((__BELOW100__)) = 0xedcb;
unsigned short *pB = &B100B;
char *
Do (void)
{
if (!(B100A & 0x0800))
{
if (!(B100B & 0x0800))
return "Fail";
else
return "Success";
}
else
return "Fail";
}
int
main (void)
{
return Do ()[0] == 'F';
}
|
the_stack_data/606305.c
|
/* Copyright (C) 2003 Free Software Foundation.
Test strcpy optimizations don't evaluate side-effects twice.
Written by Jakub Jelinek, June 23, 2003. */
typedef __SIZE_TYPE__ size_t;
extern char *strcpy (char *, const char *);
extern int memcmp (const void *, const void *, size_t);
extern void abort (void);
extern void exit (int);
size_t
test1 (char *s, size_t i)
{
strcpy (s, "foobarbaz" + i++);
return i;
}
size_t
check2 (void)
{
static size_t r = 5;
if (r != 5)
abort ();
return ++r;
}
void
test2 (char *s)
{
strcpy (s, "foobarbaz" + check2 ());
}
int
main (void)
{
char buf[10];
if (test1 (buf, 7) != 8 || memcmp (buf, "az", 3))
abort ();
test2 (buf);
if (memcmp (buf, "baz", 4))
abort ();
exit (0);
}
|
the_stack_data/68875.c
|
#include <stdio.h>
int main(void)
{
int M, N;
scanf("%d %d", &M, &N);
printf("%d\n", (M*N)/2);
return 0;
}
|
the_stack_data/178266754.c
|
# include<stdio.h>
# include<string.h>
int main()
{
long long int multiplier[8]={1,20,360,7200,7200*20,7200*20*20,7200*20*20*20,7200*20*20*20*20};
char in[10000];
int n;
int i;
int dash,dot;
long long int ans;
while(1)
{
ans=0;
scanf("%d",&n);
if(n==0)
break;
getchar();
while(n--)
{
dash=dot=0;
gets(in);
for(i=0;i<=strlen(in);i++)
{
if(in[i]=='.')
dot++;
else
if(in[i]=='-')
dash++;
}
ans += (dot+(dash*5)) * multiplier[n];
// printf("%lld\n",ans);
}
printf("%lld\n",ans);
}
return 0;
}
|
the_stack_data/25136663.c
|
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2015-07-29 Arda.Fu first implementation
*/
int main(void)
{
/* user app entry */
return 0;
}
|
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