file
stringlengths 18
26
| data
stringlengths 3
1.04M
|
|---|---|
the_stack_data/100436.c | /* { dg-do compile { target { powerpc*-*-* && ilp32 } } } */
/* { dg-options "-O3 -fuse-load-updates" } */
extern void baz(char *s, char *m, char *end);
void foo(char *s, char *m, char *end)
{
while (*s == *m && s < end) {
s += 2;
m += 2;
}
baz(s, m, end);
}
/* { dg-final { scan-assembler-times "lbzu" 2 { target powerpc*-*-* } } } */
|
the_stack_data/127370.c | #include <unistd.h>
#include <fcntl.h>
#include <string.h>
const int stdout_fd = 1;
const int max_size = 0x20000;
#define filename_expected \
"Please specify filename as a first parameter\n"
#define tag_expected \
"Can't find build_epoch tag\n"
#define magic1 \
"\xab\xcd\xefMaxMind.com"
#define magic2 \
"build_epoch\x04\x02"
int main(int argc, char **argv)
{
unsigned char buffer[max_size], *p = 0, result[16];
int i, fd;
long age;
if (argc < 2) {
write(
stdout_fd,
filename_expected,
sizeof(filename_expected) - 1
);
_exit(1);
}
fd = open(argv[1], O_RDONLY);
lseek(fd, -max_size, SEEK_END);
read(fd, buffer, max_size);
for (i = max_size - sizeof(magic1); i >= 0; i--)
if (!memcmp(buffer + i, magic1, sizeof(magic1) - 1))
break;
if (!i)
i = max_size;
for (; i < max_size - (int)sizeof(magic2); i++) {
if (0 == memcmp(buffer + i, magic2, sizeof(magic2) - 1)) {
p = buffer + i + sizeof(magic2) - 1;
}
}
if (!p) {
write(
stdout_fd,
tag_expected,
sizeof(tag_expected) - 1
);
_exit(1);
}
age = *p++;
age = age * 0x100 + *p++;
age = age * 0x100 + *p++;
age = age * 0x100 + *p++;
/* lose printf from resulting binary */
result[15] = '\n';
for (i = 14; age; i--) {
result[i] = '0' + age % 10;
age /= 10;
}
write(stdout_fd, result + i, 16 - i);
/* this kills cleanup code */
_exit(0);
}
|
the_stack_data/73576250.c | // File: 4.6.c
// Author: TaoKY
#include <stdio.h>
double fun(double x);
int main(){
double x;
scanf("%lf", &x);
printf("%lf\n", fun(x));
return 0;
}
double fun(double x){
if (x < 1)
return x;
else if (x < 10)
return 2 * x - 1;
else
return 3 * x - 11;
}
|
the_stack_data/32950447.c | #include <stdio.h>
#include <string.h>
main()
{
char a[1000],b[1100];
int i,j,k,l;
j=1;
while(gets(a))
{
l=strlen(a);
for(i=0,k=0;i<=l;i++)
{
if(a[i]!=34)
{
b[k]=a[i];
k++;
}
else if(a[i]==34 && j%2!=0)
{
b[k]=96;
b[k+1]=96;
j++;
k+=2;
}
else if(a[i]==34 && j%2==0)
{
b[k]=39;
b[k+1]=39;
j++;
k+=2;
}
}
printf("%s\n",b);
}
return 0;
}
|
the_stack_data/247018532.c |
int x2; |
the_stack_data/16343.c | /*
* Copyright (c) 2013 Jan-Piet Mens <[email protected]> wendal
* <wendal1985()gmai.com> 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 mosquitto
* 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 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.
*/
#ifdef BE_JWT
#include "backends.h"
#include "be-jwt.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "hash.h"
#include "log.h"
#include "envs.h"
#include <curl/curl.h>
static int get_string_envs(CURL * curl, const char *required_env, char *querystring)
{
char *data = NULL;
char *escaped_key = NULL;
char *escaped_val = NULL;
char *env_string = NULL;
char *params_key[MAXPARAMSNUM];
char *env_names[MAXPARAMSNUM];
char *env_value[MAXPARAMSNUM];
int i, num = 0;
//_log(LOG_DEBUG, "sys_envs=%s", sys_envs);
env_string = (char *)malloc(strlen(required_env) + 20);
if (env_string == NULL) {
_fatal("ENOMEM");
return (-1);
}
sprintf(env_string, "%s", required_env);
//_log(LOG_DEBUG, "env_string=%s", env_string);
num = get_sys_envs(env_string, ",", "=", params_key, env_names, env_value);
//sprintf(querystring, "");
for (i = 0; i < num; i++) {
escaped_key = curl_easy_escape(curl, params_key[i], 0);
escaped_val = curl_easy_escape(curl, env_value[i], 0);
//_log(LOG_DEBUG, "key=%s", params_key[i]);
//_log(LOG_DEBUG, "escaped_key=%s", escaped_key);
//_log(LOG_DEBUG, "escaped_val=%s", escaped_envvalue);
data = (char *)malloc(strlen(escaped_key) + strlen(escaped_val) + 1);
if (data == NULL) {
_fatal("ENOMEM");
return (-1);
}
sprintf(data, "%s=%s&", escaped_key, escaped_val);
if (i == 0) {
sprintf(querystring, "%s", data);
} else {
strcat(querystring, data);
}
}
if (data)
free(data);
if (escaped_key)
free(escaped_key);
if (escaped_val)
free(escaped_val);
free(env_string);
return (num);
}
static int http_post(void *handle, char *uri, const char *clientid, const char *token, const char *topic, int acc, int method)
{
struct jwt_backend *conf = (struct jwt_backend *)handle;
CURL *curl;
struct curl_slist *headerlist = NULL;
int re;
int respCode = 0;
int ok = FALSE;
char *url;
char *data;
if (token == NULL) {
return (FALSE);
}
clientid = (clientid && *clientid) ? clientid : "";
topic = (topic && *topic) ? topic : "";
if ((curl = curl_easy_init()) == NULL) {
_fatal("create curl_easy_handle fails");
return (FALSE);
}
if (conf->hostheader != NULL)
headerlist = curl_slist_append(headerlist, conf->hostheader);
headerlist = curl_slist_append(headerlist, "Expect:");
//_log(LOG_NOTICE, "u=%s p=%s t=%s acc=%d", username, password, topic, acc);
url = (char *)malloc(strlen(conf->ip) + strlen(uri) + 20);
if (url == NULL) {
_fatal("ENOMEM");
return (FALSE);
}
//enable the https
if (strcmp(conf->with_tls, "true") == 0) {
sprintf(url, "https://%s:%d%s", conf->ip, conf->port, uri);
} else {
sprintf(url, "http://%s:%d%s", conf->ip, conf->port, uri);
}
char *escaped_token = curl_easy_escape(curl, token, 0);
char *escaped_topic = curl_easy_escape(curl, topic, 0);
char *escaped_clientid = curl_easy_escape(curl, clientid, 0);
char string_acc[20];
snprintf(string_acc, 20, "%d", acc);
char *string_envs = (char *)malloc(MAXPARAMSLEN);
if (string_envs == NULL) {
_fatal("ENOMEM");
return (FALSE);
}
memset(string_envs, 0, MAXPARAMSLEN);
//get the sys_env from here
int env_num = 0;
if (method == METHOD_GETUSER && conf->getuser_envs != NULL) {
env_num = get_string_envs(curl, conf->getuser_envs, string_envs);
} else if (method == METHOD_SUPERUSER && conf->superuser_envs != NULL) {
env_num = get_string_envs(curl, conf->superuser_envs, string_envs);
} else if (method == METHOD_ACLCHECK && conf->aclcheck_envs != NULL) {
env_num = get_string_envs(curl, conf->aclcheck_envs, string_envs);
}
if (env_num == -1) {
return (FALSE);
}
//----over-- --
data = (char *)malloc(strlen(string_envs) + strlen(escaped_topic) + strlen(string_acc) + strlen(escaped_clientid) + 30);
if (data == NULL) {
_fatal("ENOMEM");
return (FALSE);
}
sprintf(data, "%stopic=%s&acc=%s&clientid=%s",
string_envs,
escaped_topic,
string_acc,
clientid);
_log(LOG_DEBUG, "url=%s", url);
_log(LOG_DEBUG, "data=%s", data);
//curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
char *token_header = (char *)malloc(strlen(escaped_token) + 22);
if (token_header == NULL) {
_fatal("ENOMEM");
return (FALSE);
}
sprintf(token_header, "Authorization: Bearer %s", escaped_token);
headerlist = curl_slist_append(headerlist, token_header);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_POST, 1L);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10);
re = curl_easy_perform(curl);
if (re == CURLE_OK) {
re = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &respCode);
if (re == CURLE_OK && respCode >= 200 && respCode < 300) {
ok = TRUE;
} else if (re == CURLE_OK && respCode >= 500) {
ok = BACKEND_ERROR;
} else {
//_log(LOG_NOTICE, "http auth fail re=%d respCode=%d", re, respCode);
}
} else {
_log(LOG_DEBUG, "http req fail url=%s re=%s", url, curl_easy_strerror(re));
ok = BACKEND_ERROR;
}
curl_easy_cleanup(curl);
curl_slist_free_all(headerlist);
free(url);
free(data);
free(string_envs);
free(escaped_token);
free(token_header);
free(escaped_topic);
free(escaped_clientid);
return (ok);
}
void *be_jwt_init()
{
struct jwt_backend *conf;
char *ip;
char *getuser_uri;
char *superuser_uri;
char *aclcheck_uri;
if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
_fatal("init curl fail");
return (NULL);
}
if ((ip = p_stab("http_ip")) == NULL) {
_fatal("Mandatory parameter `http_ip' missing");
return (NULL);
}
if ((getuser_uri = p_stab("http_getuser_uri")) == NULL) {
_fatal("Mandatory parameter `http_getuser_uri' missing");
return (NULL);
}
if ((superuser_uri = p_stab("http_superuser_uri")) == NULL) {
_fatal("Mandatory parameter `http_superuser_uri' missing");
return (NULL);
}
if ((aclcheck_uri = p_stab("http_aclcheck_uri")) == NULL) {
_fatal("Mandatory parameter `http_aclcheck_uri' missing");
return (NULL);
}
conf = (struct jwt_backend *)malloc(sizeof(struct jwt_backend));
conf->ip = ip;
conf->port = p_stab("http_port") == NULL ? 80 : atoi(p_stab("http_port"));
if (p_stab("http_hostname") != NULL) {
conf->hostheader = (char *)malloc(128);
sprintf(conf->hostheader, "Host: %s", p_stab("http_hostname"));
} else {
conf->hostheader = NULL;
}
conf->getuser_uri = getuser_uri;
conf->superuser_uri = superuser_uri;
conf->aclcheck_uri = aclcheck_uri;
conf->getuser_envs = p_stab("http_getuser_params");
conf->superuser_envs = p_stab("http_superuser_params");
conf->aclcheck_envs = p_stab("http_aclcheck_params");
if (p_stab("http_with_tls") != NULL) {
conf->with_tls = p_stab("http_with_tls");
} else {
conf->with_tls = "false";
}
_log(LOG_DEBUG, "with_tls=%s", conf->with_tls);
_log(LOG_DEBUG, "getuser_uri=%s", getuser_uri);
_log(LOG_DEBUG, "superuser_uri=%s", superuser_uri);
_log(LOG_DEBUG, "aclcheck_uri=%s", aclcheck_uri);
_log(LOG_DEBUG, "getuser_params=%s", conf->getuser_envs);
_log(LOG_DEBUG, "superuser_params=%s", conf->superuser_envs);
_log(LOG_DEBUG, "aclcheck_paramsi=%s", conf->aclcheck_envs);
return (conf);
};
void be_jwt_destroy(void *handle)
{
struct jwt_backend *conf = (struct jwt_backend *)handle;
if (conf) {
curl_global_cleanup();
free(conf);
}
};
char *be_jwt_getuser(void *handle, const char *token, const char *pass, int *authenticated)
{
struct jwt_backend *conf = (struct jwt_backend *)handle;
int re;
if (token == NULL) {
return NULL;
}
re = http_post(handle, conf->getuser_uri, NULL, token, NULL, -1, METHOD_GETUSER);
if (re == 1) {
*authenticated = 1;
}
return NULL;
};
int be_jwt_superuser(void *handle, const char *token)
{
struct jwt_backend *conf = (struct jwt_backend *)handle;
return http_post(handle, conf->superuser_uri, NULL, token, NULL, -1, METHOD_SUPERUSER);
};
int be_jwt_aclcheck(void *handle, const char *clientid, const char *token, const char *topic, int acc)
{
struct jwt_backend *conf = (struct jwt_backend *)handle;
return http_post(conf, conf->aclcheck_uri, clientid, token, topic, acc, METHOD_ACLCHECK);
};
#endif /* BE_JWT */
|
the_stack_data/31405.c | /* whatnow.c - the MH WhatNow? shell */
#ifndef lint
static char ident[] = "@(#)$Id: whatnow.c,v 1.3 1992/12/15 00:20:22 jromine Exp $";
#endif /* lint */
#ifdef LOCALE
#include <locale.h>
#endif
main (argc, argv)
int argc;
char **argv;
{
#ifdef LOCALE
setlocale(LC_ALL, "");
#endif
WhatNow (argc, argv);
}
|
the_stack_data/18886908.c | #include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
#define BUFSIZE 128
int main() {
char *dirname = (char*) malloc(BUFSIZE);
printf("Enter a directory name: ");
scanf("%s", dirname);
if(mkdir(dirname, 0755) < 0) {
perror("mkdir");
}
return 0;
}
|
the_stack_data/95451234.c | #include <unistd.h>
#include <stdio.h>
int main(int argc, char** argv)
{
if (argc < 3)
{
printf("usage: mv <source> <destination>\n");
return -1;
}
if (rename(argv[1], argv[2]))
{
perror("mv");
return -1;
}
return 0;
} |
the_stack_data/924295.c | int EXPRESSION(int);
int nondet_int();
int main()
{
int in=nondet_int(), out;
out=EXPRESSION(in);
__CPROVER_assert(out==in-20, "");
}
|
the_stack_data/1147265.c | /**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <fenv.h>
#if !(defined(_ARM_) || defined(__arm__) || defined(_ARM64_) || defined(__aarch64__))
int __mingw_has_sse (void);
#endif /* !(defined(_ARM_) || defined(__arm__) || defined(_ARM64_) || defined(__aarch64__)) */
/* 7.6.3.2
The fesetround function establishes the rounding direction
represented by its argument round. If the argument is not equal
to the value of a rounding direction macro, the rounding direction
is not changed. */
int fesetround (int mode)
{
#if defined(_ARM_) || defined(__arm__)
fenv_t _env;
if ((mode & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)) != 0)
return -1;
__asm__ volatile ("fmrx %0, FPSCR" : "=r" (_env));
_env.__cw &= ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO);
_env.__cw |= mode;
__asm__ volatile ("fmxr FPSCR, %0" : : "r" (_env));
#elif defined(_ARM64_) || defined(__aarch64__)
unsigned __int64 fpcr;
if ((mode & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)) != 0)
return -1;
__asm__ volatile ("mrs %0, fpcr" : "=r" (fpcr));
fpcr &= ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO);
fpcr |= mode;
__asm__ volatile ("msr fpcr, %0" : : "r" (fpcr));
#else
unsigned short _cw;
if ((mode & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO))
!= 0)
return -1;
__asm__ volatile ("fnstcw %0;": "=m" (*&_cw));
_cw &= ~0xc00;
_cw |= mode;
__asm__ volatile ("fldcw %0;" : : "m" (*&_cw));
if (__mingw_has_sse ())
{
int mxcsr;
__asm__ volatile ("stmxcsr %0" : "=m" (*&mxcsr));
mxcsr &= ~0x6000;
mxcsr |= mode << 3;
__asm__ volatile ("ldmxcsr %0" : : "m" (*&mxcsr));
}
#endif /* defined(_ARM_) || defined(__arm__) || defined(_ARM64_) || defined(__aarch64__) */
return 0;
}
|
the_stack_data/33956.c | int main()
{
printf("1st");
printf("2nd");
printf("3rd");
printf("mywork");
return 0;
}
|
the_stack_data/754253.c | #include <limits.h>
#include <stdio.h>
#include <stdlib.h>
//#define MAX_DIGITOS 30
#define MAX 30
long long int factorial(int);
//void factorial(int n, int resultado[MAX_DIGITOS], int *tam_resultado);
int main() {
/* Definiendo "n" con solo "int" el maximo valor que puede tomar es n = 12
Ahora, haciendo modificaciones al tipo de dato y cambiandolo por
"long long int" que tiene un rango maximo de 19 cifras, soporta
hasta n = 20 */
int n;
printf("INGRESE NUMERO ENTRE <0 - 20> PARA CALCULAR EL FACTORIAL : ");
scanf("%i", &n);
long long int valor = factorial(n);
printf("Factorial de %i = %lli\n", n, valor);
return 0;
/*-----------------------------------------------------------------------------------------------------------------------------------------------*/
// int n;
//int resultado[MAX_DIGITOS];
//int tam_resultado;
//printf("INGRESE NUMERO ENTRE <0 - 20> PARA CALCULAR EL FACTORIAL : ");
//scanf("%i", &n);
//factorial(n, resultado, &tam_resultado);
}
/*Version iterativa*/
long long int factorial(int n) {
unsigned long long int resultado = 1;
for (int i = 2; i <= n; i++) {
if((i <= n) && (resultado > (ULLONG_MAX/i))) {
return 0;
}else{
resultado = resultado * i;
}
}
return (resultado);
}
/*Version recursiva*/
/*long long int factorial(int n) {
long long int resultado;
if (n == 1 || n == 0) {
return 1;
} else {
resultado = n * factorial(n - 1);
}
return (resultado);
}*/
/* comparando las 2 versiones del codigo, diria que la iterativa se logra
entender mas a simple vista, aparte que si hubiese algun fallo podria hacer
el ruteo del algoritmo para saber donde esta el error.
Por otra parte, el que es recursivo, ayuda mucho a reducir lo que son las
lineas de codigo y tiene una perspectiva mas compacta y simple */
/*void factorial(int n, int resultado[MAX_DIGITOS], int *tam_resultado) {
long long int numero_final = 1;
for (int i = 2; i <= n; i++) {
if ((i <= n) && (numero_final > (ULLONG_MAX / i))) {
printf("0\n");
} else {
numero_final = numero_final * i;
}
}
}*/
|
the_stack_data/193893518.c | /*
@@@@ PROGRAM NAME: knkcch07proj14.c
@@@@ FLAGS: -std=c99
@@@@ PROGRAM STATEMENT: Write a program that uses Newton's method to
compute the square root of a positive floating-point number:
Enter a positive number: 3
Square root: 1.73205
Let x be the number entered by the user. Newton's method requires an initial
guess y for the square root of x (we'll use y=1). Successive guesses are found
by computing the average of y and x/y. The following table shows how the square
root of 3 would be found:
x y x/y Avg. of y and x/y
3 1 3 2
3 2 1.5 1.75
3 1.75 1.71429 1.73214
3 1.73214 1.73196 1.73205
3 1.73205 1.73205 1.73205
Note that the values of y get progressively closer to the true square root of x.
For greater accuracy, your program should use variables of type double rather
than float. Have the program terminate when the absolute value of the difference between the old value of y and the new value of y is less than the product of .00001 and y. Hint: Call the fabs function to find the absolute value of a double. (You'll need to include the <math.h> header at the beginning of your program in order to use fabs).
*/
#include<stdio.h>
//------------------------START OF MAIN()--------------------------------------
int main(void)
{
printf("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
double x, y=1, avg=1;
printf("Enter a positive number: ");
scanf("%lf",&x);
avg=(y+x/y)/2; //this is necessary here for (y-avg)>0.00001 to be true initially.
do
{
y=avg;
avg=(y+x/y)/2;
}while((y-avg)>0.00001);
printf("Square root: %f",y);
printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
return 0;
}
//-------------------------END OF MAIN()---------------------------------------
//---------------------------------------------------------------------------
/*
OUTPUT:
@@@@ Trial1:
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Enter a positive number: 3
Square root: 1.732051
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
@@@@ Trial2:
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Enter a positive number: 49
Square root: 7.000000
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
@@@@ Trial3:
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Enter a positive number: 249
Square root: 15.779737
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
//---------------------------------------------------------------------------
|
the_stack_data/533747.c | #include <stdio.h>
char plus = '+';
int ex1(char input[]) {
int floor = 0;
for(int i = 0; '\0' != input[i]; i ++)
{
floor += plus == input[i] ? 1 : -1;
}
return floor;
}
int ex2(char input[]) {
int floor = 0;
for(int i = 0; '\0' != input[i]; i ++)
{
floor += plus == input[i] ? 1 : -1;
floor = floor < 0 ? 0 : floor;
}
return floor;
}
int ex3(char input[]) {
int floor = 0;
for(int i = 0; '\0' != input[i]; i += 2)
{
floor += plus == input[i+1] ? (input[i]-'0') : -(input[i]-'0');
floor = floor < 0 ? 0 : floor;
}
return floor;
}
int main() {
printf("%d\n", ex1("++"));
printf("%d\n", ex1("--"));
printf("%d\n", ex1("-+-+-+"));
printf("%d\n", ex2("+----+"));
printf("%d\n", ex2("+--"));
printf("%d\n", ex3("2-"));
printf("%d\n", ex3("1+2-1+"));
printf("%d\n", ex3("3+2+2-"));
return 0;
}
|
the_stack_data/75136957.c | /*
*
* Program to find maximum and minimum in array.
*
*/
#include <stdio.h>
// Uncomment the line below if executing on Windows.
//#include <conio.h>
int main()
{
/*
* Declare variable to store the counts.
*/
int i, j;
/*
* Declare and initialize an array.
*/
int ar[] = {3, 0, -1, 2, 5, 99};
/*
* Declare variables to store max and min value.
*/
int max, min;
/*
* Initialise both to the first element of the array;
*/
max = ar[0];
min = ar[0];
/*
* Find the maximum value in the array.
*/
for(i = 1; i < 6; i++)
{
if (ar[i] > max)
{
max = ar[i];
}
}
/*
* Find the minimum value in the array.
*/
for(j = 1; j < 6; j++)
{
if(ar[j] < min)
{
min = ar[j];
}
}
/*
* Print the maximum value.
*/
printf("Maximum: %d\n", max);
/*
* Print the minimum value.
*/
printf("Minimum: %d\n", min);
// Uncomment the line below if compiling on Windows.
//getch();
return 0;
} |
the_stack_data/3213.c | #include<stdio.h>
int main()
{
int matriza[4][4];
int matrizb[4][4];
int h,t,tam=4;
printf("\n Olá meu nome é Bruno Mello e minha matrícula na Unilasalle é 0050014760\n");
for(h=0; h<=3; h++)
{
for(t=0;t<=3;t++)
{
printf("Matriz A - Entre com a linha%d, coluna%d:",h+1,t+1);
scanf("%d",&matriza[h][t]);
}
printf("\n");
}
printf("\n...\n\n");
for(h=0; h<=3; h++)
{
for(t=0; t<=3; t++)
{
printf("Matriz B - Entre com a linha%d, coluna%d:",h+1,t+1);
scanf("%d", &matrizb[h][t]);
}
printf("\n");
}
printf("...\n");
printf("\n Seguem os resultados:\n");
printf("\n Soma das duas Matrizes:\n");
for(h=0;h<=3;h++)
{
for(t=0;t<=3;t++)
{
printf("%d\t",matriza[h][t] + matrizb[h][t]);
}
printf("\n");
}
printf("\n");
printf("Diagonal Secundária da Matriz A\n");
for(h=0;h<=3;h++)
{
for(t=0;t<=3;t++)
{
if(t==tam-1-h)
printf("%d\t", matriza[h][t]);
else
printf("0\t");
}
printf("\n");
}
printf("\n Multiplicação das duas matrizes\n");
for(h=0;h<=3;h++)
{
for(t=0;t<=3;t++)
{
printf("%d\t", matriza[h][t] * matrizb[h][t]);
}
printf("\n");
}
printf("\n...\n");
printf("\n A minha maior dificuldade foi identificar quantas variáveis eu teria que usar\n");
return 0;
} |
the_stack_data/635864.c | /***
* This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License.
* When used, please cite the following article(s): V. Mrazek, R. Hrbacek, Z. Vasicek and L. Sekanina, "EvoApprox8b: Library of approximate adders and multipliers for circuit design and benchmarking of approximation methods". Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017, Lausanne, 2017, pp. 258-261. doi: 10.23919/DATE.2017.7926993
* This file contains a circuit from evoapprox8b dataset. Note that a new version of library was already published.
***/
#include <stdint.h>
#include <stdlib.h>
/// Approximate function mul8_421
/// Library = EvoApprox8b
/// Circuit = mul8_421
/// Area (180) = 5008
/// Delay (180) = 2.300
/// Power (180) = 1762.10
/// Area (45) = 376
/// Delay (45) = 0.880
/// Power (45) = 149.00
/// Nodes = 104
/// HD = 376842
/// MAE = 580.53857
/// MSE = 645244.43555
/// MRE = 8.33 %
/// WCE = 2886
/// WCRE = 300 %
/// EP = 99.1 %
uint16_t mul8_421(uint8_t a, uint8_t b)
{
uint16_t c = 0;
uint8_t n0 = (a >> 0) & 0x1;
uint8_t n2 = (a >> 1) & 0x1;
uint8_t n4 = (a >> 2) & 0x1;
uint8_t n6 = (a >> 3) & 0x1;
uint8_t n8 = (a >> 4) & 0x1;
uint8_t n10 = (a >> 5) & 0x1;
uint8_t n12 = (a >> 6) & 0x1;
uint8_t n14 = (a >> 7) & 0x1;
uint8_t n16 = (b >> 0) & 0x1;
uint8_t n18 = (b >> 1) & 0x1;
uint8_t n20 = (b >> 2) & 0x1;
uint8_t n22 = (b >> 3) & 0x1;
uint8_t n24 = (b >> 4) & 0x1;
uint8_t n26 = (b >> 5) & 0x1;
uint8_t n28 = (b >> 6) & 0x1;
uint8_t n30 = (b >> 7) & 0x1;
uint8_t n32;
uint8_t n35;
uint8_t n40;
uint8_t n41;
uint8_t n42;
uint8_t n46;
uint8_t n49;
uint8_t n51;
uint8_t n53;
uint8_t n61;
uint8_t n65;
uint8_t n66;
uint8_t n67;
uint8_t n68;
uint8_t n69;
uint8_t n73;
uint8_t n76;
uint8_t n82;
uint8_t n87;
uint8_t n91;
uint8_t n118;
uint8_t n120;
uint8_t n121;
uint8_t n157;
uint8_t n167;
uint8_t n190;
uint8_t n203;
uint8_t n258;
uint8_t n261;
uint8_t n301;
uint8_t n306;
uint8_t n325;
uint8_t n386;
uint8_t n420;
uint8_t n460;
uint8_t n476;
uint8_t n481;
uint8_t n482;
uint8_t n484;
uint8_t n491;
uint8_t n532;
uint8_t n564;
uint8_t n580;
uint8_t n595;
uint8_t n608;
uint8_t n682;
uint8_t n698;
uint8_t n712;
uint8_t n728;
uint8_t n802;
uint8_t n816;
uint8_t n817;
uint8_t n832;
uint8_t n846;
uint8_t n854;
uint8_t n891;
uint8_t n906;
uint8_t n920;
uint8_t n921;
uint8_t n934;
uint8_t n950;
uint8_t n965;
uint8_t n1041;
uint8_t n1054;
uint8_t n1069;
uint8_t n1107;
uint8_t n1142;
uint8_t n1143;
uint8_t n1172;
uint8_t n1186;
uint8_t n1187;
uint8_t n1202;
uint8_t n1203;
uint8_t n1216;
uint8_t n1232;
uint8_t n1307;
uint8_t n1321;
uint8_t n1334;
uint8_t n1335;
uint8_t n1350;
uint8_t n1351;
uint8_t n1424;
uint8_t n1425;
uint8_t n1438;
uint8_t n1439;
uint8_t n1454;
uint8_t n1455;
uint8_t n1468;
uint8_t n1482;
uint8_t n1483;
uint8_t n1572;
uint8_t n1586;
uint8_t n1587;
uint8_t n1602;
uint8_t n1603;
uint8_t n1616;
uint8_t n1632;
uint8_t n1646;
uint8_t n1660;
uint8_t n1678;
uint8_t n1706;
uint8_t n1712;
uint8_t n1720;
uint8_t n1734;
uint8_t n1750;
uint8_t n1764;
uint8_t n1765;
uint8_t n1780;
uint8_t n1781;
uint8_t n1794;
uint8_t n1795;
uint8_t n1808;
uint8_t n1809;
uint8_t n1824;
uint8_t n1838;
uint8_t n1869;
uint8_t n1882;
uint8_t n1898;
uint8_t n1912;
uint8_t n1928;
uint8_t n1942;
uint8_t n1943;
uint8_t n1956;
uint8_t n1957;
uint8_t n1972;
uint8_t n1973;
uint8_t n1986;
uint8_t n1987;
uint8_t n2016;
n32 = n18 & n12;
n35 = (n14 & n16) | (n16 & n26) | (n14 & n26);
n40 = ~(n12 ^ n12);
n41 = ~(n12 ^ n12);
n42 = ~(n6 & n28);
n46 = n22 & n0;
n49 = ~((n18 & n14) | n32);
n51 = (n41 & n0) | (n0 & n2) | (n41 & n2);
n53 = ~((n12 | n51) & n30);
n61 = ~(n12 & n28 & n14);
n65 = n41;
n66 = n65;
n67 = n65;
n68 = ~((n65 | n66) & n67);
n69 = ~((n65 | n66) & n67);
n73 = n2 & n46;
n76 = ~((n65 | n20) & n40);
n82 = ~(n6 | n4 | n14);
n87 = n30 | n24;
n91 = ~(n87 | n28 | n35);
n118 = n91 & n20;
n120 = n12 & n118;
n121 = n12 & n118;
n157 = ~((n53 & n82) | n91);
n167 = ~(n67 & n82);
n190 = ~((n69 | n76) & n30);
n203 = (n167 & n40) | (~n167 & n2);
n258 = n203 & n28;
n261 = ~n61;
n301 = n69;
n306 = n22 | n20;
n325 = n301 | n42;
n386 = n6 | n8;
n420 = n26 & n386;
n460 = n10 & n306;
n476 = n12 & n22;
n481 = n41;
n482 = ~n53;
n484 = ~n49;
n491 = n14 & n22;
n532 = ~n325;
n564 = n8 & n24;
n580 = n10 & n24;
n595 = n12 & n24;
n608 = n14 & n24;
n682 = n8 & n306;
n698 = n10 & n26;
n712 = n12 & n26;
n728 = n14 & n26;
n802 = n8 & n28;
n816 = n10 & n28;
n817 = n10 & n28;
n832 = n12 & n28;
n846 = n14 & n28;
n854 = n595;
n891 = n4 & n30;
n906 = n6 & n30;
n920 = n8 & n30;
n921 = n8 & n30;
n934 = n10 & n30;
n950 = n12 & n30;
n965 = n14 & n30;
n1041 = n121;
n1054 = n120;
n1069 = n481 & n682;
n1107 = n491;
n1142 = n157;
n1143 = n157;
n1172 = n460 | n564;
n1186 = n476 ^ n580;
n1187 = n476 & n580;
n1202 = (n1107 ^ n854) ^ n698;
n1203 = (n1107 & n854) | (n854 & n698) | (n1107 & n698);
n1216 = n608 & n712;
n1232 = n608 ^ n712;
n1307 = n157 | n1054;
n1321 = n1041;
n1334 = (n817 ^ n1069) ^ n1172;
n1335 = (n817 & n1069) | (n1069 & n1172) | (n817 & n1172);
n1350 = (n891 ^ n420) ^ n1186;
n1351 = (n891 & n420) | (n420 & n1186) | (n891 & n1186);
n1424 = (n1187 ^ n802) ^ n906;
n1425 = (n1187 & n802) | (n802 & n906) | (n1187 & n906);
n1438 = (n1203 ^ n816) ^ n920;
n1439 = (n1203 & n816) | (n816 & n920) | (n1203 & n920);
n1454 = (n1216 ^ n832) ^ n934;
n1455 = (n1216 & n832) | (n832 & n934) | (n1216 & n934);
n1468 = n261 & n482;
n1482 = n846 ^ n950;
n1483 = n846 & n950;
n1572 = n1334;
n1586 = n1350 ^ n1335;
n1587 = n1350 & n1335;
n1602 = (n1202 ^ n1216) ^ n1424;
n1603 = (n1202 & n1216) | (n1216 & n1424) | (n1202 & n1424);
n1616 = n1232 & n1438;
n1632 = n1232 | n1438;
n1646 = n728 & n1454;
n1660 = n728 ^ n1454;
n1678 = n1483;
n1706 = (n921 ^ n68) ^ n1321;
n1712 = n921;
n1720 = (n1307 & n190) | (~n1307 & n1425);
n1734 = n1572 | n484;
n1750 = n1586 | n532;
n1764 = (n1602 ^ n1587) ^ n1351;
n1765 = (n1602 & n1587) | (n1587 & n1351) | (n1602 & n1351);
n1780 = (n1632 ^ n1603) ^ n1425;
n1781 = (n1632 & n1603) | (n1603 & n1425) | (n1632 & n1425);
n1794 = (n1660 ^ n1616) ^ n1439;
n1795 = (n1660 & n1616) | (n1616 & n1439) | (n1660 & n1439);
n1808 = (n1482 ^ n1646) ^ n1455;
n1809 = (n1482 & n1646) | (n1646 & n1455) | (n1482 & n1455);
n1824 = n41 & n1468;
n1838 = n965 ^ n1678;
n1869 = n1706;
n1882 = n1720;
n1898 = n1734 | n258;
n1912 = n1750;
n1928 = n1764;
n1942 = n1780 ^ n1765;
n1943 = n1780 & n1765;
n1956 = (n1794 ^ n1781) ^ n1943;
n1957 = (n1794 & n1781) | (n1781 & n1943) | (n1794 & n1943);
n1972 = (n1808 ^ n1795) ^ n1957;
n1973 = (n1808 & n1795) | (n1795 & n1957) | (n1808 & n1957);
n1986 = (n1838 ^ n1809) ^ n1973;
n1987 = (n1838 & n1809) | (n1809 & n1973) | (n1838 & n1973);
n2016 = n1824 | n1987;
c |= (n73 & 0x1) << 0;
c |= (n1142 & 0x1) << 1;
c |= (n1603 & 0x1) << 2;
c |= (n1712 & 0x1) << 3;
c |= (n1869 & 0x1) << 4;
c |= (n1882 & 0x1) << 5;
c |= (n1143 & 0x1) << 6;
c |= (n1882 & 0x1) << 7;
c |= (n1898 & 0x1) << 8;
c |= (n1912 & 0x1) << 9;
c |= (n1928 & 0x1) << 10;
c |= (n1942 & 0x1) << 11;
c |= (n1956 & 0x1) << 12;
c |= (n1972 & 0x1) << 13;
c |= (n1986 & 0x1) << 14;
c |= (n2016 & 0x1) << 15;
return c;
}
|
the_stack_data/29824746.c | #include <stdio.h>
#include <string.h>
int main() {
char name[20], name1[20], name2[20], name3[20], user[20];
FILE *list;
FILE *list1;
FILE *list2;
FILE *enemies;//打开文件
printf("请输入宴会名单文件名称：");
scanf("%s", user);//得到用户输入
if (!strcmp(user, "A.txt"))//判断用户输入
list = fopen("../Name-list/A.txt", "r");
else
list = fopen("../Name-list/B.txt", "r");
int flag = 1;
while (!feof(list)) {
fscanf(list, "%s", name);//获取每一行邀请名单，储存为name
//测试输出
printf("%s\n", name);
enemies = fopen("../Name-list/Enemies.txt", "r");
while (!feof(enemies)) {//每一次循环获取一行的两个名字，分别储存为name1和name2
fscanf(enemies, "%s %s", name1, name2);
if (!strcmp(name, name1)) {//比较name和name1
if (!strcmp(user, "A.txt"))//重新打开
list1 = fopen("../Name-list/A.txt", "r");
else
list1 = fopen("../Name-list/B.txt", "r");
while (!feof(list1)) {
fscanf(list1, "%s", name3);
if (!strcmp(name3, name2)) {//比较列表中有没有和敌人名字
flag = 0;
fclose(list1);//关闭文件刷新流上数据
break;
}
}
fclose(list1);//关闭文件刷新流上数据
}
if (!strcmp(name, name2)) {//比较name和name2
if (!strcmp(user, "A.txt"))//重新打开
list2 = fopen("../Name-list/A.txt", "r");
else
list2 = fopen("../Name-list/B.txt", "r");
while (!feof(list2)) {
fscanf(list2, "%s", name3);
if (!strcmp(name3, name1)) {//比较列表中有没有敌人的名字
flag = 0;
fclose(list2);//关闭文件刷新流上数据
break;
}
}
fclose(list2);//关闭文件刷新流上数据
}
//测试输出
printf("%s %s\n", name1, name2);
}
fclose(enemies);
//测试分割线
printf("-----------\n");
}
if (flag == 1)//用flag判断输出
printf("yes");
else
printf("no");
return 0;
}
//v0.1
|
the_stack_data/193892690.c | #include <stdio.h>
#include <stdint.h>
uint64_t pad0 = 0;
uint8_t byteArray[4] = {0};
uint64_t pad1 = 0;
int main(int argc, char** argv) {
int i;
for (i = 0; i < 4; i++)
{
printf("About to write byteArray[%d] ...\n", i); // About to write byteArray
pad0++;
byteArray[i] = 7;
pad1++;
}
return 0;
}
|
the_stack_data/83058.c | /***
* This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License.
* When used, please cite the following article(s): V. Mrazek, R. Hrbacek, Z. Vasicek and L. Sekanina, "EvoApprox8b: Library of approximate adders and multipliers for circuit design and benchmarking of approximation methods". Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017, Lausanne, 2017, pp. 258-261. doi: 10.23919/DATE.2017.7926993
* This file contains a circuit from evoapprox8b dataset. Note that a new version of library was already published.
***/
#include <stdint.h>
#include <stdlib.h>
/// Approximate function add8_145
/// Library = EvoApprox8b
/// Circuit = add8_145
/// Area (180) = 1440
/// Delay (180) = 1.310
/// Power (180) = 486.40
/// Area (45) = 102
/// Delay (45) = 0.550
/// Power (45) = 39.44
/// Nodes = 32
/// HD = 114304
/// MAE = 1.31250
/// MSE = 2.50000
/// MRE = 0.67 %
/// WCE = 3
/// WCRE = 100 %
/// EP = 81.2 %
uint16_t add8_145(uint8_t a, uint8_t b)
{
uint16_t c = 0;
uint8_t n2 = (a >> 1) & 0x1;
uint8_t n4 = (a >> 2) & 0x1;
uint8_t n6 = (a >> 3) & 0x1;
uint8_t n8 = (a >> 4) & 0x1;
uint8_t n10 = (a >> 5) & 0x1;
uint8_t n12 = (a >> 6) & 0x1;
uint8_t n14 = (a >> 7) & 0x1;
uint8_t n18 = (b >> 1) & 0x1;
uint8_t n20 = (b >> 2) & 0x1;
uint8_t n22 = (b >> 3) & 0x1;
uint8_t n24 = (b >> 4) & 0x1;
uint8_t n26 = (b >> 5) & 0x1;
uint8_t n28 = (b >> 6) & 0x1;
uint8_t n30 = (b >> 7) & 0x1;
uint8_t n34;
uint8_t n39;
uint8_t n45;
uint8_t n49;
uint8_t n51;
uint8_t n58;
uint8_t n59;
uint8_t n66;
uint8_t n68;
uint8_t n69;
uint8_t n75;
uint8_t n78;
uint8_t n79;
uint8_t n85;
uint8_t n86;
uint8_t n87;
uint8_t n88;
uint8_t n96;
uint8_t n97;
uint8_t n127;
uint8_t n134;
uint8_t n145;
uint8_t n152;
uint8_t n162;
uint8_t n170;
uint8_t n181;
uint8_t n198;
uint8_t n199;
uint8_t n226;
uint8_t n240;
uint8_t n245;
uint8_t n255;
uint8_t n272;
uint8_t n391;
uint8_t n394;
uint8_t n404;
uint8_t n412;
uint8_t n413;
uint8_t n423;
n34 = ~(n20 & n4);
n39 = ~n34;
n45 = n39;
n49 = n45;
n51 = n4 ^ n20;
n58 = (n6 ^ n22) ^ n49;
n59 = (n6 & n22) | (n22 & n49) | (n6 & n49);
n66 = n2 ^ n14;
n68 = n8 ^ n24;
n69 = n8 & n24;
n75 = ~(n18 | n66);
n78 = n10 ^ n26;
n79 = n10 & n26;
n85 = n59;
n86 = n12 ^ n28;
n87 = n12 & n28;
n88 = n24 | n8;
n96 = n14 ^ n30;
n97 = n14 & n30;
n127 = n69;
n134 = n88 & n85;
n145 = ~n75;
n152 = n127 | n134;
n162 = n86 & n79;
n170 = n86 & n78;
n181 = n87 | n162;
n198 = n152;
n199 = n152;
n226 = n78 & n199;
n240 = ~n85;
n245 = n79 | n226;
n255 = n170 & n198;
n272 = n181 | n255;
n391 = ~(n240 ^ n68);
n394 = n78 ^ n199;
n404 = n86 ^ n245;
n412 = n96 ^ n272;
n413 = n96 & n272;
n423 = n97 | n413;
c |= (n2 & 0x1) << 0;
c |= (n145 & 0x1) << 1;
c |= (n51 & 0x1) << 2;
c |= (n58 & 0x1) << 3;
c |= (n391 & 0x1) << 4;
c |= (n394 & 0x1) << 5;
c |= (n404 & 0x1) << 6;
c |= (n412 & 0x1) << 7;
c |= (n423 & 0x1) << 8;
return c;
}
|
the_stack_data/62696.c | #include <stdio.h>
#include <stdlib.h>
int main()
{
int num[] = {24,34,12,44,56,17};
int i;
for(i=0; i<=5; i++)
{
printf("address = %u", &num[i]);
printf(" element = %d\n", num[i]);
}
return 0;
}
|
the_stack_data/104827551.c | #include <unistd.h>
#include <termios.h>
void enableRawMode() {
struct termios raw;
tcgetattr(STDIN_FILENO, &raw);
raw.c_lflag &= ~(ECHO);
tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw);
}
int main() {
enableRawMode();
char c;
while (read(STDIN_FILENO, &c, 1) == 1 && c != 'q');
return 0;
} |
the_stack_data/115764478.c |
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
main() {
struct sigaction act;
int i=0;
act.sa_handler = SIG_IGN;
sigfillset(&(act.sa_mask));
sigaction(SIGINT, &act, NULL);
printf("SIGINT off\n");
while(1)
{
sleep(1);
printf("sleep for%d sec(s).\n", ++i);
}
}
|
the_stack_data/204646.c | /* stub to make default make rule for f2c happy */
|
the_stack_data/44258.c |
#include <stdint.h>
#include <time.h>
#include <unistd.h>
void sjs__executable(char* buf, size_t size) {
ssize_t n;
n = size - 1;
if (n > 0) {
n = readlink("/proc/self/exe", buf, n);
}
if (n == -1) {
return;
}
buf[n] = '\0';
}
|
the_stack_data/107952021.c | #include<stdio.h>
main()
{
int number;
char name[20];
for(number = 1; number <= 6; number++)
{
printf("Enter student name:%d\n",number);
scanf("%s", name);
printf("Name of student : %s\n", name);
if(number == 1)
printf("Firstclass guy\n");
if(number == 5)
printf("Backlog guy\n");
}
printf("Total number of students %d\n", --number);
}
|
the_stack_data/102965.c | #include <stdio.h>
main()
{ printf("%d %d",sizeof(long), sizeof(double));};
|
the_stack_data/50137630.c |
#include <stdio.h>
void scilab_rt_plot3d_i2i2d2d0d0s0d2d2_(int in00, int in01, int matrixin0[in00][in01],
int in10, int in11, int matrixin1[in10][in11],
int in20, int in21, double matrixin2[in20][in21],
double scalarin0,
double scalarin1,
char* scalarin2,
int in30, int in31, double matrixin3[in30][in31],
int in40, int in41, double matrixin4[in40][in41])
{
int i;
int j;
int val0 = 0;
int val1 = 0;
double val2 = 0;
double val3 = 0;
double val4 = 0;
for (i = 0; i < in00; ++i) {
for (j = 0; j < in01; ++j) {
val0 += matrixin0[i][j];
}
}
printf("%d", val0);
for (i = 0; i < in10; ++i) {
for (j = 0; j < in11; ++j) {
val1 += matrixin1[i][j];
}
}
printf("%d", val1);
for (i = 0; i < in20; ++i) {
for (j = 0; j < in21; ++j) {
val2 += matrixin2[i][j];
}
}
printf("%f", val2);
printf("%f", scalarin0);
printf("%f", scalarin1);
printf("%s", scalarin2);
for (i = 0; i < in30; ++i) {
for (j = 0; j < in31; ++j) {
val3 += matrixin3[i][j];
}
}
printf("%f", val3);
for (i = 0; i < in40; ++i) {
for (j = 0; j < in41; ++j) {
val4 += matrixin4[i][j];
}
}
printf("%f", val4);
}
|
the_stack_data/61906.c | /* Generated by CIL v. 1.7.0 */
/* print_CIL_Input is false */
struct _IO_FILE;
struct timeval;
extern float strtof(char const *str , char const *endptr ) ;
extern void signal(int sig , void *func ) ;
typedef struct _IO_FILE FILE;
extern int atoi(char const *s ) ;
extern double strtod(char const *str , char const *endptr ) ;
extern int fclose(void *stream ) ;
extern void *fopen(char const *filename , char const *mode ) ;
extern void abort() ;
extern void exit(int status ) ;
extern int raise(int sig ) ;
extern int fprintf(struct _IO_FILE *stream , char const *format , ...) ;
extern int strcmp(char const *a , char const *b ) ;
extern int rand() ;
extern unsigned long strtoul(char const *str , char const *endptr , int base ) ;
void RandomFunc(unsigned long input[1] , unsigned long output[1] ) ;
extern int strncmp(char const *s1 , char const *s2 , unsigned long maxlen ) ;
extern int gettimeofday(struct timeval *tv , void *tz , ...) ;
extern int printf(char const *format , ...) ;
int main(int argc , char *argv[] ) ;
void megaInit(void) ;
extern unsigned long strlen(char const *s ) ;
extern long strtol(char const *str , char const *endptr , int base ) ;
extern unsigned long strnlen(char const *s , unsigned long maxlen ) ;
extern void *memcpy(void *s1 , void const *s2 , unsigned long size ) ;
struct timeval {
long tv_sec ;
long tv_usec ;
};
extern void *malloc(unsigned long size ) ;
extern int scanf(char const *format , ...) ;
int main(int argc , char *argv[] )
{
unsigned long input[1] ;
unsigned long output[1] ;
int randomFuns_i5 ;
unsigned long randomFuns_value6 ;
int randomFuns_main_i7 ;
{
megaInit();
if (argc != 2) {
printf("Call this program with %i arguments\n", 1);
exit(-1);
} else {
}
randomFuns_i5 = 0;
while (randomFuns_i5 < 1) {
randomFuns_value6 = strtoul(argv[randomFuns_i5 + 1], 0, 10);
input[randomFuns_i5] = randomFuns_value6;
randomFuns_i5 ++;
}
RandomFunc(input, output);
if (output[0] == 4242424242UL) {
printf("You win!\n");
} else {
}
randomFuns_main_i7 = 0;
while (randomFuns_main_i7 < 1) {
printf("%lu\n", output[randomFuns_main_i7]);
randomFuns_main_i7 ++;
}
}
}
void megaInit(void)
{
{
}
}
void RandomFunc(unsigned long input[1] , unsigned long output[1] )
{
unsigned long state[1] ;
unsigned short copy11 ;
unsigned short copy12 ;
unsigned short copy13 ;
unsigned short copy14 ;
unsigned int copy15 ;
char copy17 ;
char copy18 ;
char copy19 ;
{
state[0UL] = input[0UL] + 0xffffffffff660b45UL;
if ((state[0UL] >> 4UL) & 1UL) {
if ((state[0UL] >> 4UL) & 1UL) {
if ((state[0UL] >> 2UL) & 1UL) {
copy11 = *((unsigned short *)(& state[0UL]) + 0);
*((unsigned short *)(& state[0UL]) + 0) = *((unsigned short *)(& state[0UL]) + 1);
*((unsigned short *)(& state[0UL]) + 1) = copy11;
copy12 = *((unsigned short *)(& state[0UL]) + 1);
*((unsigned short *)(& state[0UL]) + 1) = *((unsigned short *)(& state[0UL]) + 3);
*((unsigned short *)(& state[0UL]) + 3) = copy12;
copy12 = *((unsigned short *)(& state[0UL]) + 0);
*((unsigned short *)(& state[0UL]) + 0) = *((unsigned short *)(& state[0UL]) + 2);
*((unsigned short *)(& state[0UL]) + 2) = copy12;
} else {
copy13 = *((unsigned short *)(& state[0UL]) + 3);
*((unsigned short *)(& state[0UL]) + 3) = *((unsigned short *)(& state[0UL]) + 0);
*((unsigned short *)(& state[0UL]) + 0) = copy13;
state[0UL] += state[0UL];
}
} else
if ((state[0UL] >> 1UL) & 1UL) {
copy14 = *((unsigned short *)(& state[0UL]) + 0);
*((unsigned short *)(& state[0UL]) + 0) = *((unsigned short *)(& state[0UL]) + 1);
*((unsigned short *)(& state[0UL]) + 1) = copy14;
copy14 = *((unsigned short *)(& state[0UL]) + 3);
*((unsigned short *)(& state[0UL]) + 3) = *((unsigned short *)(& state[0UL]) + 0);
*((unsigned short *)(& state[0UL]) + 0) = copy14;
state[0UL] += state[0UL];
} else {
copy15 = *((unsigned int *)(& state[0UL]) + 0);
*((unsigned int *)(& state[0UL]) + 0) = *((unsigned int *)(& state[0UL]) + 1);
*((unsigned int *)(& state[0UL]) + 1) = copy15;
}
} else
if ((state[0UL] >> 4UL) & 1UL) {
copy17 = *((char *)(& state[0UL]) + 3);
*((char *)(& state[0UL]) + 3) = *((char *)(& state[0UL]) + 7);
*((char *)(& state[0UL]) + 7) = copy17;
state[0UL] *= state[0UL];
} else {
copy18 = *((char *)(& state[0UL]) + 4);
*((char *)(& state[0UL]) + 4) = *((char *)(& state[0UL]) + 5);
*((char *)(& state[0UL]) + 5) = copy18;
copy19 = *((char *)(& state[0UL]) + 4);
*((char *)(& state[0UL]) + 4) = *((char *)(& state[0UL]) + 3);
*((char *)(& state[0UL]) + 3) = copy19;
}
output[0UL] = (state[0UL] + 526763427UL) - 655319563553431640UL;
}
}
|
the_stack_data/148578564.c | int main(){return 0;} |
the_stack_data/190768667.c | #define __STDC_WANT_LIB_EXT1__ 1
#include "stdbool.h"
#include "string.h"
#define QOS_SERV_MAX 3
#define BOOL bool
#define UINT32 int
#define VOID void
#define SOME_ENUM int
#define USHORT unsigned short
#define UCHAR unsigned char
#define VOS_ERR 1
#define VOS_OK 0
#define EOK 0
#define errno_t int
typedef struct {
BOOL state;
BOOL ability[QOS_SERV_MAX];
UINT32 spec[QOS_SERV_MAX];
} STRUCT_FUNCTION_1;
STRUCT_FUNCTION_1 g_cacheData = { 0 };
VOID FOO_FUNCTION_1(SOME_ENUM type, BOOL ability, UINT32 spec)
{
g_cacheData.ability[type] = ability;
g_cacheData.spec[type] = spec;
return;
}
typedef struct {
USHORT type;
USHORT len;
VOID *value;
} CUSTOM_STRUCT_1;
typedef struct tag // Removed CUSTOM_TYPE here from test case
{
USHORT usTLVType;
USHORT usTLVLen;
}CUSTOM_TYPE;
typedef CUSTOM_TYPE TYPE_ALIAS;
UINT32 FOO_FUNCTION_2(VOID *buff, UINT32 buffLen, const CUSTOM_STRUCT_1 dynTlv[], UINT32 tlvNum, UINT32 *outLen)
{
*outLen = 0;
for (UINT32 i = 0; i < tlvNum; i++) {
UINT32 groupLen = sizeof(TYPE_ALIAS) + dynTlv[i].len;
if (*outLen + groupLen > buffLen) {
return VOS_ERR;
}
TYPE_ALIAS *tlv = (TYPE_ALIAS *)((UCHAR *)buff + *outLen);
tlv->usTLVType = dynTlv[i].type;
tlv->usTLVLen = dynTlv[i].len;
errno_t ret = 0;//memcpy_s(tlv + 1, buffLen - *outLen - sizeof(*tlv), dynTlv[i].value, dynTlv[i].len);
if (ret != EOK) {
return VOS_ERR;
}
*outLen += groupLen;
}
return VOS_OK;
}
VOID FOO_FUNCTION_3(UINT32 *type, UINT32 *len, VOID **value, VOID *tlvIn)
{
TYPE_ALIAS *tlvHead = (TYPE_ALIAS *)tlvIn;
*type = tlvHead->usTLVType;
*len = tlvHead->usTLVLen;
*value = (VOID *)(tlvHead + 1);
return;
}
typedef struct tagCUSTOM_STRUCT_2 {
UINT32 offset;
UINT32 len;
UINT32 id;
} CUSTOM_STRUCT_2;
UINT32 FOO_FUNCTION_4(const CUSTOM_STRUCT_2 *attrib, UINT32 num, UINT32 id, UINT32 *offset, UINT32 *len)
{
UINT32 i;
for (i = 0; i < num; i++) {
if (id == attrib[i].id) {
*offset = attrib[i].offset;
*len = attrib[i].len;
return VOS_OK;
}
}
return VOS_ERR;
}
int main() {
return 0;
}
|
the_stack_data/92325259.c | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
// Структура для хранения узла дерева.
typedef struct node
{
int value;
struct node *left;
struct node *right;
struct node *parent;
}
node;
// Структура для хранения дерева.
typedef struct tree
{
struct node *tmp;
struct node *root;
int numbers;
}
tree;
// Инициализация дерева
void init(tree* t)
{
t->root=NULL;
}
//Функция рекурсивного удаления
node* cleant(node* t)
{
if(t!=NULL)
{
cleant(t->left);
cleant(t->right);
if(t->parent!=NULL)
t->parent = NULL;
if(t->left!=NULL)
t->left = NULL;
if(t->right!=NULL)
t->right = NULL;
free(t);
}
return NULL;
}
// Удалить все элементы из дерева
void clean(tree* t)
{
node* root = t->root;
cleant(root);
t->root = NULL;
}
// Поиск элемента по значению. Вернуть NULL если элемент не найден
node* find(tree* t, int value)
{
t->tmp = t->root;
while(t->tmp->value != value)
{
if(t->tmp->value > value)
{
t->tmp = t->tmp->left;
}
else
{
t->tmp = t->tmp->right;
}
if(t->tmp == NULL)
{
return NULL;
}
}
return t->tmp;
}
// Вставка значения в дерево:
// 0 - вставка выполнена успешно
// 1 - элемент существует
// 2 - не удалось выделить память для нового элемента
int insert(tree* t, int value)
{
node *root2 = t->root, *root3 = NULL;
t->tmp = malloc(sizeof(node));
t->tmp->value = value;
if (t->root == NULL)
{
t->tmp->parent = NULL;
t->tmp->left = NULL;
t->tmp->right = NULL;
t->root = t->tmp;
t->numbers = 1;
return 0;
}
while (root2 != NULL)
{
root3 = root2;
if (value == root2->value)
{
return 1;
}
if (value < root2->value)
{
root2 = root2->left;
}
else
{
root2 = root2->right;
}
}
t->tmp->parent = root3;
t->tmp->left = NULL;
t->tmp->right = NULL;
if (value < root3->value)
{
root3->left = t->tmp;
t->numbers = t->numbers + 1;
return 0;
}
if (value > root3->value)
{
root3->right = t->tmp;
t->numbers = t->numbers +1;
return 0;
}
}
// Удалить минимальный элемент из поддерева, корнем которого является n
// Вернуть значение удаленного элемента
int remove_min(node* n)
{
int b;
node *tmp = n;
while (tmp->left != NULL)
{
tmp = tmp->left;
}
b = tmp->value;
if(tmp->right != NULL)
{
if(b < tmp->parent->value)
{
tmp->parent->left = tmp->right;
free(tmp);
return b;
}
else
{
tmp->parent->right = tmp->right;
free(tmp);
return b;
}
}
else
{
if (b < tmp->parent->value)
{
tmp->parent->left = NULL;
free(tmp);
return b;
}
else
{
tmp->parent->right = NULL;
free(tmp);
return b;
}
}
}
// Удалить элемент из дерева:
// 0 - удаление прошло успешно
// 1 - нет элемента с указанным значением
int remove_node(tree* t, int value)
{
int b;
node *tmp = find(t, value);
if (tmp == NULL)
return 1;
if (tmp->left==NULL && tmp->right==NULL)
{
if(tmp != t->root)
{
if (tmp->value < tmp->parent->value)
{
tmp->parent->left = NULL;
free(tmp);
t->numbers = t->numbers-1;
return 0;
}
else
{
tmp->parent->right = NULL;
free(tmp);
t->numbers = t->numbers-1;
return 0; //конец
}
}
else
{
free(tmp);
t->root = NULL;
t->numbers = 0;
return 0;
}
}
if (tmp->left==NULL && tmp->right!=NULL)
{
if(tmp != t->root)
{
if (tmp->value < tmp->parent->value)
{
tmp->parent->left = tmp->right;
tmp->right->parent = tmp->parent;
free(tmp);
t->numbers = t->numbers-1;
return 0;
}
else
{
tmp->parent->right = tmp->right;
tmp->right->parent = tmp->parent;
free(tmp);
t->numbers = t->numbers-1;
return 0;
}
}
else
{
tmp->right->parent = NULL;
t->root = tmp->right;
free(tmp);
t->numbers = t->numbers-1;
return 0;
}
}
if (tmp->left!=NULL && tmp->right==NULL)
{
if(tmp !=t->root)
{
if (tmp->value < tmp->parent->value)
{
tmp->parent->left = tmp->left;
tmp->left->parent = tmp->parent;
free(tmp);
t->numbers = t->numbers-1;
return 0;
}
else
{
tmp->parent->right = tmp->left;
tmp->left->parent = tmp->parent;
free(tmp);
t->numbers = t->numbers-1;
return 0;
}
}
else
{
tmp->left->parent = NULL;
t->root = tmp->left;
free(tmp);
t->numbers = t->numbers-1;
return 0;
}
}
if(tmp->right!=NULL && tmp->left!=NULL)
{
b = remove_min(tmp->right);
tmp->value = b;
t->numbers = t->numbers-1;
return 0;
}
}
// Выполнить правое вращение поддерева, корнем которого является n:
// 0 - успешно выполненная операция
// 1 - вращение невозможно
int rotate_right(node* n)
{
node* root = n;
node* newroot = root->left;
node* perebros = newroot->right;
newroot->parent = root->parent;
if(root->parent != NULL)
{
if(root->parent->value > root->value)
{
root->parent->left = newroot;
}
else
{
root->parent->right = newroot;
}
}
if(perebros!=NULL)
{
perebros->parent = root;
}
root->left = perebros;
root->parent = newroot;
newroot->right = root;
return 0;
}
// Выполнить левое вращение поддерева, корнем которого является n:
// 0 - успешно выполненная операция
// 1 - вращение невозможно
int rotate_left(node* n)
{
node* root = n;
node* newroot = root->right;
node* perebros = newroot->left;
newroot->parent = root->parent;
if(root->parent != NULL)
{
if(root->parent->value > root->value)
{
root->parent->left = newroot;
}
else
{
root->parent->right = newroot;
}
}
if(perebros!=NULL)
{
perebros->parent = root;
}
root->right = perebros;
root->parent = newroot;
newroot->left = root;
return 0;
}
int rotate_root_left(tree* t)
{
rotate_left(t->root);
if (t->root->parent != NULL)
{
t->root = t->root->parent;
}
return 0;
}
int rotate_root_right(tree* t)
{
rotate_right(t->root);
if (t->root->parent != NULL)
{
t->root = t->root->parent;
}
return 0;
}
// получение кол-во уровней в дереве
int get_levels(node* tmp)
{
if (tmp == NULL)
{
return 0;
}
int leftmax = 1 + get_levels(tmp->left);
int rightmax = 1 + get_levels(tmp->right);
if (leftmax > rightmax)
{
return leftmax;
}
else
{
return rightmax;
}
}
//функция для вывода уровня
void print_level(node* tmp, int curl, int d, int first)
{
if (curl == d)
{
if (first > 0)
{
printf(" ");
}
if (tmp == NULL) {
printf("_");
}
else
{
printf("%d", tmp->value);
}
}
else if (tmp != NULL)
{
print_level(tmp->left, curl + 1, d, first);
print_level(tmp->right, curl + 1, d, first + 1);
}
else
{
print_level(tmp, curl + 1, d, first);
print_level(tmp, curl + 1, d, first + 1);
}
}
// Вывести все значения из поддерева, корнем которого является n
// по уровням начиная с корня.
// Каждый уровень выводится на своей строке.
// Элементы в строке разделяются пробелом. Если элемента нет, заменить на _.
// Если дерево пусто, вывести -
void print(node* n)
{
int num = get_levels(n);
for (int i = 1; i <= num; i++)
{
print_level(n, 1, i, 0);
printf("\n");
}
}
// Вывести все значения дерева t, аналогично функции print
void print_tree(tree* t)
{
node* n = t->root;
if (n == NULL)
{
printf("-");
printf("\n");
}
print(t->root);
}
//Функция, возвращающая указатель на корень
node* rootret(tree* t)
{
return t->root;
}
//Вывод количества элементов в списке
void print_num(tree* t)
{
printf("%d", t->numbers);
}
int main()
{
int a, i, n1, n2;
struct tree t;
init(&t);
//ввод первых 4х чисел
for (i=0; i<4; i++)
{
scanf("%d", &a);
insert(&t, a);
}
print_tree(&t);
printf("\n");
//ввод ещё 3х чисел
for (i=0; i<3; i++)
{
scanf("%d", &a);
insert(&t, a);
}
print_tree(&t);
printf("\n");
//вывод потомков и предка элемента
scanf("%d", &n1);
node *x = find(&t, n1);
if(x==NULL)
{
printf("-");
printf("\n");
}
else
{
if (x->parent != NULL)
{
printf("%d", x->parent->value);
printf(" ");
}
else
{
printf("_ ");
}
if(x->left)
{
printf("%d", x->left->value);
}
else
{
printf("_");
}
printf(" ");
if(x->right)
{
printf("%d", x->right->value);
}
else
{
printf("_");
}
printf("\n");
}
printf("\n");
scanf("%d", &n2);
x = find(&t, n2);
if(x==NULL)
{
printf("-");
printf("\n");
}
else
{
if (x->parent != NULL)
{
printf("%d", x->parent->value);
printf(" ");
}
else
{
printf("_ ");
}
if(x->left)
{
printf("%d", x->left->value);
}
else
{
printf("_");
}
printf(" ");
if(x->right)
{
printf("%d", x->right->value);
}
else
{
printf("_");
}
printf("\n");
}
printf("\n");
//удаление элемента
scanf("%d", &n1);
remove_node(&t, n1);
print_tree(&t);
printf("\n");
//левые вращения
node* troot = rootret(&t);
if (troot != NULL)
{
while (troot->right != NULL)
{
rotate_root_left(&t);
troot = rootret(&t);
}
}
printf("\n");
print_tree(&t);
//правые вращения
troot = rootret(&t);
if(troot != NULL)
{
while (troot->left != NULL)
{
rotate_root_right(&t);
troot = rootret(&t);
}
}
printf("\n");
print_tree(&t);
//кол-во элементов
printf("\n");
print_num(&t);
printf("\n\n");
//очистка дерева
clean(&t);
troot = rootret(&t);
print_tree(&t);
return 0;
}
|
the_stack_data/145453316.c | #include <stdio.h>
#include <netdb.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#define MAX 80
#define PORT 8080
#define SA struct sockaddr
// Function designed for chat between client and server.
void func(int sockfd)
{
char buff[MAX];
int n;
// infinite loop for chat
for (;;) {
bzero(buff, MAX);
// read the message from client and copy it in buffer
read(sockfd, buff, sizeof(buff));
// print buffer which contains the client contents
printf("From client: %sTo Client : ", buff);
bzero(buff, MAX);
n = 0;
// copy server message in the buffer
while ((buff[n++] = getchar()) != '\n');
// and send that buffer to client
write(sockfd, buff, sizeof(buff));
// if msg contains "Exit" then server exit and chat ended.
if (strncmp("exit", buff, 4) == 0) {
printf("Server Exit...\n");
break;
}
}
}
// Driver function
int main()
{
int sockfd, connfd, len;
struct sockaddr_in servaddr, cli;
// socket create and verification
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd == -1) {
printf("socket creation failed...\n");
exit(0);
}
else
printf("Socket successfully created..\n");
bzero(&servaddr, sizeof(servaddr));
// assign IP, PORT
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(PORT);
// Binding newly created socket to given IP and verification
if ((bind(sockfd, (SA*)&servaddr, sizeof(servaddr))) != 0) {
printf("socket bind failed...\n");
exit(0);
}
else
printf("Socket successfully binded..\n");
// Now server is ready to listen and verification
if ((listen(sockfd, 5)) != 0) {
printf("Listen failed...\n");
exit(0);
}
else
printf("Server listening..\n");
len = sizeof(cli);
// Accept the data packet from client and verification
// while(1){
connfd = accept(sockfd, (SA*)&cli, &len);
if (connfd < 0) {
printf("server acccept failed...\n");
exit(0);
}
else
printf("server acccept the client...\n");
// Function for chatting between client and server
func(connfd);
// }
// After chatting close the socket
close(sockfd);
}
|
the_stack_data/115766860.c | /* Test for -Wtraditional warnings for stringification of macro args.
Note, gcc should omit these warnings in system header files.
By Kaveh R. Ghazi <[email protected]> 9/8/2000. */
/* { dg-do preprocess } */
/* { dg-options "-Wtraditional -fno-show-column" } */
#define foo1(h) sdf "h3" fds "h" /* { dg-warning "macro argument \"h\" would be stringified" "traditional stringification" } */
#define foo2(h2) sdf "h2" fds "h3" /* { dg-warning "macro argument \"h2\" would be stringified" "traditional stringification" } */
#define foo3(h3) sdf "h2" fds "h3" /* { dg-warning "macro argument \"h3\" would be stringified" "traditional stringification" } */
#define foo4(h) sdf 'h3' fds 'h' /* { dg-warning "macro argument \"h\" would be stringified" "traditional stringification" } */
#define foo5(h2) sdf 'h2' fds 'h3' /* { dg-warning "macro argument \"h2\" would be stringified" "traditional stringification" } */
#define foo6(h3) sdf 'h2' fds 'h3' /* { dg-warning "macro argument \"h3\" would be stringified" "traditional stringification" } */
#define foo7(AA, hello, world, EEE) sdf "A B hello C,world,DhelloE F" fds EEE /* { dg-warning "macro argument \"hello\" would be stringified" "traditional stringification" } */
/* Catch the second warning from the above line. */
/* { dg-warning "macro argument \"world\" would be stringified" "traditional stringification" { target *-*-* } 13 } */
# 19 "sys-header.h" 3
/* We are in system headers now, no -Wtraditional warnings should issue. */
#define bar1(h) sdf "h3" fds "h"
#define bar2(h2) sdf "h2" fds "h3"
#define bar3(h3) sdf "h2" fds "h3"
#define bar4(h) sdf 'h3' fds 'h'
#define bar5(h2) sdf 'h2' fds 'h3'
#define bar6(h3) sdf 'h2' fds 'h3'
#define bar7(AA, hello, world, EEE) sdf "A B hello C,world,DhelloE F" fds EEE
|
the_stack_data/138377.c | /* ************************************************************************** */
/* LE - / */
/* / */
/* stables.c .:: .:/ . .:: */
/* +:+:+ +: +: +:+:+ */
/* By: timfuzea <[email protected]> +:+ +: +: +:+ */
/* #+# #+ #+ #+# */
/* Created: 2018/03/07 09:57:52 by timfuzea #+# ## ## #+# */
/* Updated: 2018/03/07 10:10:16 by timfuzea ### #+. /#+ ###.fr */
/* / */
/* / */
/* ************************************************************************** */
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
long sum_array(int *array, int size)
{
long sum;
int index;
sum = 0;
index = 0;
while (index < size)
{
sum += array[index];
index++;
}
return (sum);
}
void allocate_loads_of_memory(void)
{
int *int_pointer_powa;
char *pointer_powa;
int *another_pointer;
int index;
index = 0;
int_pointer_powa = (int*)malloc(sizeof(int) * 4242);
pointer_powa = (char*)malloc(sizeof(char*) * 42);
another_pointer = (int*)malloc(sizeof(int) * 424242);
memset(int_pointer_powa, 42, 4242);
memset(pointer_powa, 42, 42);
while (index < 424242)
{
another_pointer[index] = index * 42;
index++;
}
printf("%ld\n", sum_array(int_pointer_powa, 4242));
printf("%s\n", pointer_powa);
printf("%ld\n", sum_array(another_pointer, 424242));
free(int_pointer_powa);
free(pointer_powa);
free(another_pointer);
}
int main(void)
{
allocate_loads_of_memory();
return (0);
}
|
the_stack_data/17180.c | /*
* test source file for assembling to Microsoft 16-bit .OBJ
* build with (16-bit Microsoft C):
* nasm -f obj objtest.asm
* cl /AL objtest.obj objlink.c
* other compilers should work too, provided they handle large
* model in the same way as MS C
*/
#include <stdio.h>
#include <inttypes.h>
int8_t text[] = "hello, world\n";
extern void function(int8_t *);
extern int bsssym, commvar;
extern void *selfptr;
extern void *selfptr2;
int main(void)
{
printf("these should be identical: %p, %p\n",
(int32_t)selfptr, (int32_t)&selfptr);
printf("these should be equivalent but different: %p, %p\n",
(int32_t)selfptr2, (int32_t)&selfptr2);
printf("you should see \"hello, world\" twice:\n");
bsssym = 0xF00D;
commvar = 0xD00F;
function(text);
printf("this should be 0xF00E: 0x%X\n", bsssym);
printf("this should be 0xD00E: 0x%X\n", commvar);
return 0;
}
|
the_stack_data/18886843.c | int print_char(char c);
void print_diagonal(int n){
int i;
int j;
if (n<=0){
print_char('\n');
}
for(i=0;i<n;i++){
for(j=0; j<i;j++){
print_char(' ');
}
print_char('\\');
print_char('\n');
}
}
|
the_stack_data/247018479.c |
int kthSmallest(int** matrix, int matrixSize, int* matrixColSize, int k)
{
int head = matrix[0][0];
int tail = matrix[matrixSize-1][matrixSize-1]; // because of n x "n" matrix (dont care matrixColSize)
int j; // use this index to get column index for the upper bound of ascending matrix[]
while (head < tail)
{
int mid = head + (tail - head)/2;
int ctr = 0;
for (int i = 0; i < matrixSize; i++)
{
// Find the column upper bound
for (j = 0; j < matrixSize; j++)
{
if (matrix[i][j] > mid)
{
break;
}
}
ctr += j;
if (j == 0 || ctr >= k)
{
break;
}
}
if (ctr < k)
{
head = mid + 1;
} else
{
tail = mid;
}
}
return tail;
}
|
the_stack_data/150935.c | /* Test that accessed external variables are marked. */
/* { dg-do compile } */
/* { dg-skip-if "" { *-*-darwin* } { "*" } { "" } } */
/* { dg-require-visibility "" } */
/* { dg-final { scan-hidden "foo" { xfail *-*-aix* } } } */
extern int foo __attribute__ ((visibility ("hidden")));
int f () {
return foo;
}
|
the_stack_data/16208.c | #include <stdlib.h>
#include <stdio.h>
const char bigBoy[1001] = "73167176531330624919225119674426574742355349194934"
"96983520312774506326239578318016984801869478851843"
"85861560789112949495459501737958331952853208805511"
"12540698747158523863050715693290963295227443043557"
"66896648950445244523161731856403098711121722383113"
"62229893423380308135336276614282806444486645238749"
"30358907296290491560440772390713810515859307960866"
"70172427121883998797908792274921901699720888093776"
"65727333001053367881220235421809751254540594752243"
"52584907711670556013604839586446706324415722155397"
"53697817977846174064955149290862569321978468622482"
"83972241375657056057490261407972968652414535100474"
"82166370484403199890008895243450658541227588666881"
"16427171479924442928230863465674813919123162824586"
"17866458359124566529476545682848912883142607690042"
"24219022671055626321111109370544217506941658960408"
"07198403850962455444362981230987879927244284909188"
"84580156166097919133875499200524063689912560717606"
"05886116467109405077541002256983155200055935729725"
"71636269561882670428252483600823257530420752963450";
// parseNum: Splits in segements of r, to find out the largest product of digits
// for that segment size
// max is the maximum product found within the number
// x: the number (as a char string) to be parsed
// r: the range to parse over
long long parseNum(const char *x, int r){
int len = 1000;
long max;
for(int i = 0; i < len - r; i++){
// Digits in ascii start at 48
long long prod = (x[i] - 48);
for(int k = i + 1; k < i + r; k++)
prod *= (x[k] - 48);
if(prod > max)
max = prod;
}
return max;
}
int main(){
long long p = parseNum(bigBoy, 13);
printf("%ld\n", p);
//printf("%ld\n", parseNum(bigBoy, 13));
return 0;
}
|
the_stack_data/82949230.c | extern int nc;
void f(void)
{
unsigned char resp[1024];
int c;
int bl = 0;
unsigned long long *dwords = (unsigned long long *)(resp + 5);
for (c=0; c<nc; c++)
{
ff(dwords[bl/64]);
bl++;
}
}
|
the_stack_data/193891900.c | #include <stdio.h>
int main()
{
int i = 1;
while(i <= 10);
{
printf("%d\n", i);
i += 1;
}
return 0;
} |
the_stack_data/793118.c | /*
** 2015-04-06
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
**
** This is a utility program that computes the differences in content
** between two SQLite databases.
**
** To compile, simply link against SQLite.
**
** See the showHelp() routine below for a brief description of how to
** run the utility.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <ctype.h>
#include <string.h>
#include <assert.h>
#include "sqlite3.h"
/*
** All global variables are gathered into the "g" singleton.
*/
struct GlobalVars {
const char *zArgv0; /* Name of program */
int bSchemaOnly; /* Only show schema differences */
int bSchemaPK; /* Use the schema-defined PK, not the true PK */
int bHandleVtab; /* Handle fts3, fts4, fts5 and rtree vtabs */
unsigned fDebug; /* Debug flags */
sqlite3 *db; /* The database connection */
} g;
/*
** Allowed values for g.fDebug
*/
#define DEBUG_COLUMN_NAMES 0x000001
#define DEBUG_DIFF_SQL 0x000002
/*
** Dynamic string object
*/
typedef struct Str Str;
struct Str {
char *z; /* Text of the string */
int nAlloc; /* Bytes allocated in z[] */
int nUsed; /* Bytes actually used in z[] */
};
/*
** Initialize a Str object
*/
static void strInit(Str *p){
p->z = 0;
p->nAlloc = 0;
p->nUsed = 0;
}
/*
** Print an error resulting from faulting command-line arguments and
** abort the program.
*/
static void cmdlineError(const char *zFormat, ...){
va_list ap;
fprintf(stderr, "%s: ", g.zArgv0);
va_start(ap, zFormat);
vfprintf(stderr, zFormat, ap);
va_end(ap);
fprintf(stderr, "\n\"%s --help\" for more help\n", g.zArgv0);
exit(1);
}
/*
** Print an error message for an error that occurs at runtime, then
** abort the program.
*/
static void runtimeError(const char *zFormat, ...){
va_list ap;
fprintf(stderr, "%s: ", g.zArgv0);
va_start(ap, zFormat);
vfprintf(stderr, zFormat, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(1);
}
/*
** Free all memory held by a Str object
*/
static void strFree(Str *p){
sqlite3_free(p->z);
strInit(p);
}
/*
** Add formatted text to the end of a Str object
*/
static void strPrintf(Str *p, const char *zFormat, ...){
int nNew;
for(;;){
if( p->z ){
va_list ap;
va_start(ap, zFormat);
sqlite3_vsnprintf(p->nAlloc-p->nUsed, p->z+p->nUsed, zFormat, ap);
va_end(ap);
nNew = (int)strlen(p->z + p->nUsed);
}else{
nNew = p->nAlloc;
}
if( p->nUsed+nNew < p->nAlloc-1 ){
p->nUsed += nNew;
break;
}
p->nAlloc = p->nAlloc*2 + 1000;
p->z = sqlite3_realloc(p->z, p->nAlloc);
if( p->z==0 ) runtimeError("out of memory");
}
}
/* Safely quote an SQL identifier. Use the minimum amount of transformation
** necessary to allow the string to be used with %s.
**
** Space to hold the returned string is obtained from sqlite3_malloc(). The
** caller is responsible for ensuring this space is freed when no longer
** needed.
*/
static char *safeId(const char *zId){
/* All SQLite keywords, in alphabetical order */
static const char *azKeywords[] = {
"ABORT", "ACTION", "ADD", "AFTER", "ALL", "ALTER", "ANALYZE", "AND", "AS",
"ASC", "ATTACH", "AUTOINCREMENT", "BEFORE", "BEGIN", "BETWEEN", "BY",
"CASCADE", "CASE", "CAST", "CHECK", "COLLATE", "COLUMN", "COMMIT",
"CONFLICT", "CONSTRAINT", "CREATE", "CROSS", "CURRENT_DATE",
"CURRENT_TIME", "CURRENT_TIMESTAMP", "DATABASE", "DEFAULT", "DEFERRABLE",
"DEFERRED", "DELETE", "DESC", "DETACH", "DISTINCT", "DROP", "EACH",
"ELSE", "END", "ESCAPE", "EXCEPT", "EXCLUSIVE", "EXISTS", "EXPLAIN",
"FAIL", "FOR", "FOREIGN", "FROM", "FULL", "GLOB", "GROUP", "HAVING", "IF",
"IGNORE", "IMMEDIATE", "IN", "INDEX", "INDEXED", "INITIALLY", "INNER",
"INSERT", "INSTEAD", "INTERSECT", "INTO", "IS", "ISNULL", "JOIN", "KEY",
"LEFT", "LIKE", "LIMIT", "MATCH", "NATURAL", "NO", "NOT", "NOTNULL",
"NULL", "OF", "OFFSET", "ON", "OR", "ORDER", "OUTER", "PLAN", "PRAGMA",
"PRIMARY", "QUERY", "RAISE", "RECURSIVE", "REFERENCES", "REGEXP",
"REINDEX", "RELEASE", "RENAME", "REPLACE", "RESTRICT", "RIGHT",
"ROLLBACK", "ROW", "SAVEPOINT", "SELECT", "SET", "TABLE", "TEMP",
"TEMPORARY", "THEN", "TO", "TRANSACTION", "TRIGGER", "UNION", "UNIQUE",
"UPDATE", "USING", "VACUUM", "VALUES", "VIEW", "VIRTUAL", "WHEN", "WHERE",
"WITH", "WITHOUT",
};
int lwr, upr, mid, c, i, x;
if( zId[0]==0 ) return sqlite3_mprintf("\"\"");
for(i=x=0; (c = zId[i])!=0; i++){
if( !isalpha(c) && c!='_' ){
if( i>0 && isdigit(c) ){
x++;
}else{
return sqlite3_mprintf("\"%w\"", zId);
}
}
}
if( x ) return sqlite3_mprintf("%s", zId);
lwr = 0;
upr = sizeof(azKeywords)/sizeof(azKeywords[0]) - 1;
while( lwr<=upr ){
mid = (lwr+upr)/2;
c = sqlite3_stricmp(azKeywords[mid], zId);
if( c==0 ) return sqlite3_mprintf("\"%w\"", zId);
if( c<0 ){
lwr = mid+1;
}else{
upr = mid-1;
}
}
return sqlite3_mprintf("%s", zId);
}
/*
** Prepare a new SQL statement. Print an error and abort if anything
** goes wrong.
*/
static sqlite3_stmt *db_vprepare(const char *zFormat, va_list ap){
char *zSql;
int rc;
sqlite3_stmt *pStmt;
zSql = sqlite3_vmprintf(zFormat, ap);
if( zSql==0 ) runtimeError("out of memory");
rc = sqlite3_prepare_v2(g.db, zSql, -1, &pStmt, 0);
if( rc ){
runtimeError("SQL statement error: %s\n\"%s\"", sqlite3_errmsg(g.db),
zSql);
}
sqlite3_free(zSql);
return pStmt;
}
static sqlite3_stmt *db_prepare(const char *zFormat, ...){
va_list ap;
sqlite3_stmt *pStmt;
va_start(ap, zFormat);
pStmt = db_vprepare(zFormat, ap);
va_end(ap);
return pStmt;
}
/*
** Free a list of strings
*/
static void namelistFree(char **az){
if( az ){
int i;
for(i=0; az[i]; i++) sqlite3_free(az[i]);
sqlite3_free(az);
}
}
/*
** Return a list of column names for the table zDb.zTab. Space to
** hold the list is obtained from sqlite3_malloc() and should released
** using namelistFree() when no longer needed.
**
** Primary key columns are listed first, followed by data columns.
** The number of columns in the primary key is returned in *pnPkey.
**
** Normally, the "primary key" in the previous sentence is the true
** primary key - the rowid or INTEGER PRIMARY KEY for ordinary tables
** or the declared PRIMARY KEY for WITHOUT ROWID tables. However, if
** the g.bSchemaPK flag is set, then the schema-defined PRIMARY KEY is
** used in all cases. In that case, entries that have NULL values in
** any of their primary key fields will be excluded from the analysis.
**
** If the primary key for a table is the rowid but rowid is inaccessible,
** then this routine returns a NULL pointer.
**
** Examples:
** CREATE TABLE t1(a INT UNIQUE, b INTEGER, c TEXT, PRIMARY KEY(c));
** *pnPKey = 1;
** az = { "rowid", "a", "b", "c", 0 } // Normal case
** az = { "c", "a", "b", 0 } // g.bSchemaPK==1
**
** CREATE TABLE t2(a INT UNIQUE, b INTEGER, c TEXT, PRIMARY KEY(b));
** *pnPKey = 1;
** az = { "b", "a", "c", 0 }
**
** CREATE TABLE t3(x,y,z,PRIMARY KEY(y,z));
** *pnPKey = 1 // Normal case
** az = { "rowid", "x", "y", "z", 0 } // Normal case
** *pnPKey = 2 // g.bSchemaPK==1
** az = { "y", "x", "z", 0 } // g.bSchemaPK==1
**
** CREATE TABLE t4(x,y,z,PRIMARY KEY(y,z)) WITHOUT ROWID;
** *pnPKey = 2
** az = { "y", "z", "x", 0 }
**
** CREATE TABLE t5(rowid,_rowid_,oid);
** az = 0 // The rowid is not accessible
*/
static char **columnNames(
const char *zDb, /* Database ("main" or "aux") to query */
const char *zTab, /* Name of table to return details of */
int *pnPKey, /* OUT: Number of PK columns */
int *pbRowid /* OUT: True if PK is an implicit rowid */
){
char **az = 0; /* List of column names to be returned */
int naz = 0; /* Number of entries in az[] */
sqlite3_stmt *pStmt; /* SQL statement being run */
char *zPkIdxName = 0; /* Name of the PRIMARY KEY index */
int truePk = 0; /* PRAGMA table_info indentifies the PK to use */
int nPK = 0; /* Number of PRIMARY KEY columns */
int i, j; /* Loop counters */
if( g.bSchemaPK==0 ){
/* Normal case: Figure out what the true primary key is for the table.
** * For WITHOUT ROWID tables, the true primary key is the same as
** the schema PRIMARY KEY, which is guaranteed to be present.
** * For rowid tables with an INTEGER PRIMARY KEY, the true primary
** key is the INTEGER PRIMARY KEY.
** * For all other rowid tables, the rowid is the true primary key.
*/
pStmt = db_prepare("PRAGMA %s.index_list=%Q", zDb, zTab);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
if( sqlite3_stricmp((const char*)sqlite3_column_text(pStmt,3),"pk")==0 ){
zPkIdxName = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 1));
break;
}
}
sqlite3_finalize(pStmt);
if( zPkIdxName ){
int nKey = 0;
int nCol = 0;
truePk = 0;
pStmt = db_prepare("PRAGMA %s.index_xinfo=%Q", zDb, zPkIdxName);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
nCol++;
if( sqlite3_column_int(pStmt,5) ){ nKey++; continue; }
if( sqlite3_column_int(pStmt,1)>=0 ) truePk = 1;
}
if( nCol==nKey ) truePk = 1;
if( truePk ){
nPK = nKey;
}else{
nPK = 1;
}
sqlite3_finalize(pStmt);
sqlite3_free(zPkIdxName);
}else{
truePk = 1;
nPK = 1;
}
pStmt = db_prepare("PRAGMA %s.table_info=%Q", zDb, zTab);
}else{
/* The g.bSchemaPK==1 case: Use whatever primary key is declared
** in the schema. The "rowid" will still be used as the primary key
** if the table definition does not contain a PRIMARY KEY.
*/
nPK = 0;
pStmt = db_prepare("PRAGMA %s.table_info=%Q", zDb, zTab);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
if( sqlite3_column_int(pStmt,5)>0 ) nPK++;
}
sqlite3_reset(pStmt);
if( nPK==0 ) nPK = 1;
truePk = 1;
}
*pnPKey = nPK;
naz = nPK;
az = sqlite3_malloc( sizeof(char*)*(nPK+1) );
if( az==0 ) runtimeError("out of memory");
memset(az, 0, sizeof(char*)*(nPK+1));
while( SQLITE_ROW==sqlite3_step(pStmt) ){
int iPKey;
if( truePk && (iPKey = sqlite3_column_int(pStmt,5))>0 ){
az[iPKey-1] = safeId((char*)sqlite3_column_text(pStmt,1));
}else{
az = sqlite3_realloc(az, sizeof(char*)*(naz+2) );
if( az==0 ) runtimeError("out of memory");
az[naz++] = safeId((char*)sqlite3_column_text(pStmt,1));
}
}
sqlite3_finalize(pStmt);
if( az ) az[naz] = 0;
/* If it is non-NULL, set *pbRowid to indicate whether or not the PK of
** this table is an implicit rowid (*pbRowid==1) or not (*pbRowid==0). */
if( pbRowid ) *pbRowid = (az[0]==0);
/* If this table has an implicit rowid for a PK, figure out how to refer
** to it. There are three options - "rowid", "_rowid_" and "oid". Any
** of these will work, unless the table has an explicit column of the
** same name. */
if( az[0]==0 ){
const char *azRowid[] = { "rowid", "_rowid_", "oid" };
for(i=0; i<sizeof(azRowid)/sizeof(azRowid[0]); i++){
for(j=1; j<naz; j++){
if( sqlite3_stricmp(az[j], azRowid[i])==0 ) break;
}
if( j>=naz ){
az[0] = sqlite3_mprintf("%s", azRowid[i]);
break;
}
}
if( az[0]==0 ){
for(i=1; i<naz; i++) sqlite3_free(az[i]);
sqlite3_free(az);
az = 0;
}
}
return az;
}
/*
** Print the sqlite3_value X as an SQL literal.
*/
static void printQuoted(FILE *out, sqlite3_value *X){
switch( sqlite3_value_type(X) ){
case SQLITE_FLOAT: {
double r1;
char zBuf[50];
r1 = sqlite3_value_double(X);
sqlite3_snprintf(sizeof(zBuf), zBuf, "%!.15g", r1);
fprintf(out, "%s", zBuf);
break;
}
case SQLITE_INTEGER: {
fprintf(out, "%lld", sqlite3_value_int64(X));
break;
}
case SQLITE_BLOB: {
const unsigned char *zBlob = sqlite3_value_blob(X);
int nBlob = sqlite3_value_bytes(X);
if( zBlob ){
int i;
fprintf(out, "x'");
for(i=0; i<nBlob; i++){
fprintf(out, "%02x", zBlob[i]);
}
fprintf(out, "'");
}else{
/* Could be an OOM, could be a zero-byte blob */
fprintf(out, "X''");
}
break;
}
case SQLITE_TEXT: {
const unsigned char *zArg = sqlite3_value_text(X);
int i, j;
if( zArg==0 ){
fprintf(out, "NULL");
}else{
fprintf(out, "'");
for(i=j=0; zArg[i]; i++){
if( zArg[i]=='\'' ){
fprintf(out, "%.*s'", i-j+1, &zArg[j]);
j = i+1;
}
}
fprintf(out, "%s'", &zArg[j]);
}
break;
}
case SQLITE_NULL: {
fprintf(out, "NULL");
break;
}
}
}
/*
** Output SQL that will recreate the aux.zTab table.
*/
static void dump_table(const char *zTab, FILE *out){
char *zId = safeId(zTab); /* Name of the table */
char **az = 0; /* List of columns */
int nPk; /* Number of true primary key columns */
int nCol; /* Number of data columns */
int i; /* Loop counter */
sqlite3_stmt *pStmt; /* SQL statement */
const char *zSep; /* Separator string */
Str ins; /* Beginning of the INSERT statement */
pStmt = db_prepare("SELECT sql FROM aux.sqlite_master WHERE name=%Q", zTab);
if( SQLITE_ROW==sqlite3_step(pStmt) ){
fprintf(out, "%s;\n", sqlite3_column_text(pStmt,0));
}
sqlite3_finalize(pStmt);
if( !g.bSchemaOnly ){
az = columnNames("aux", zTab, &nPk, 0);
strInit(&ins);
if( az==0 ){
pStmt = db_prepare("SELECT * FROM aux.%s", zId);
strPrintf(&ins,"INSERT INTO %s VALUES", zId);
}else{
Str sql;
strInit(&sql);
zSep = "SELECT";
for(i=0; az[i]; i++){
strPrintf(&sql, "%s %s", zSep, az[i]);
zSep = ",";
}
strPrintf(&sql," FROM aux.%s", zId);
zSep = " ORDER BY";
for(i=1; i<=nPk; i++){
strPrintf(&sql, "%s %d", zSep, i);
zSep = ",";
}
pStmt = db_prepare("%s", sql.z);
strFree(&sql);
strPrintf(&ins, "INSERT INTO %s", zId);
zSep = "(";
for(i=0; az[i]; i++){
strPrintf(&ins, "%s%s", zSep, az[i]);
zSep = ",";
}
strPrintf(&ins,") VALUES");
namelistFree(az);
}
nCol = sqlite3_column_count(pStmt);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
fprintf(out, "%s",ins.z);
zSep = "(";
for(i=0; i<nCol; i++){
fprintf(out, "%s",zSep);
printQuoted(out, sqlite3_column_value(pStmt,i));
zSep = ",";
}
fprintf(out, ");\n");
}
sqlite3_finalize(pStmt);
strFree(&ins);
} /* endif !g.bSchemaOnly */
pStmt = db_prepare("SELECT sql FROM aux.sqlite_master"
" WHERE type='index' AND tbl_name=%Q AND sql IS NOT NULL",
zTab);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
fprintf(out, "%s;\n", sqlite3_column_text(pStmt,0));
}
sqlite3_finalize(pStmt);
}
/*
** Compute all differences for a single table.
*/
static void diff_one_table(const char *zTab, FILE *out){
char *zId = safeId(zTab); /* Name of table (translated for us in SQL) */
char **az = 0; /* Columns in main */
char **az2 = 0; /* Columns in aux */
int nPk; /* Primary key columns in main */
int nPk2; /* Primary key columns in aux */
int n = 0; /* Number of columns in main */
int n2; /* Number of columns in aux */
int nQ; /* Number of output columns in the diff query */
int i; /* Loop counter */
const char *zSep; /* Separator string */
Str sql; /* Comparison query */
sqlite3_stmt *pStmt; /* Query statement to do the diff */
strInit(&sql);
if( g.fDebug==DEBUG_COLUMN_NAMES ){
/* Simply run columnNames() on all tables of the origin
** database and show the results. This is used for testing
** and debugging of the columnNames() function.
*/
az = columnNames("aux",zTab, &nPk, 0);
if( az==0 ){
printf("Rowid not accessible for %s\n", zId);
}else{
printf("%s:", zId);
for(i=0; az[i]; i++){
printf(" %s", az[i]);
if( i+1==nPk ) printf(" *");
}
printf("\n");
}
goto end_diff_one_table;
}
if( sqlite3_table_column_metadata(g.db,"aux",zTab,0,0,0,0,0,0) ){
if( !sqlite3_table_column_metadata(g.db,"main",zTab,0,0,0,0,0,0) ){
/* Table missing from second database. */
fprintf(out, "DROP TABLE %s;\n", zId);
}
goto end_diff_one_table;
}
if( sqlite3_table_column_metadata(g.db,"main",zTab,0,0,0,0,0,0) ){
/* Table missing from source */
dump_table(zTab, out);
goto end_diff_one_table;
}
az = columnNames("main", zTab, &nPk, 0);
az2 = columnNames("aux", zTab, &nPk2, 0);
if( az && az2 ){
for(n=0; az[n] && az2[n]; n++){
if( sqlite3_stricmp(az[n],az2[n])!=0 ) break;
}
}
if( az==0
|| az2==0
|| nPk!=nPk2
|| az[n]
){
/* Schema mismatch */
fprintf(out, "DROP TABLE %s; -- due to schema mismatch\n", zId);
dump_table(zTab, out);
goto end_diff_one_table;
}
/* Build the comparison query */
for(n2=n; az2[n2]; n2++){
fprintf(out, "ALTER TABLE %s ADD COLUMN %s;\n", zId, safeId(az2[n2]));
}
nQ = nPk2+1+2*(n2-nPk2);
if( n2>nPk2 ){
zSep = "SELECT ";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%sB.%s", zSep, az[i]);
zSep = ", ";
}
strPrintf(&sql, ", 1%s -- changed row\n", nPk==n ? "" : ",");
while( az[i] ){
strPrintf(&sql, " A.%s IS NOT B.%s, B.%s%s\n",
az[i], az2[i], az2[i], az2[i+1]==0 ? "" : ",");
i++;
}
while( az2[i] ){
strPrintf(&sql, " B.%s IS NOT NULL, B.%s%s\n",
az2[i], az2[i], az2[i+1]==0 ? "" : ",");
i++;
}
strPrintf(&sql, " FROM main.%s A, aux.%s B\n", zId, zId);
zSep = " WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, az[i], az[i]);
zSep = " AND";
}
zSep = "\n AND (";
while( az[i] ){
strPrintf(&sql, "%sA.%s IS NOT B.%s%s\n",
zSep, az[i], az2[i], az2[i+1]==0 ? ")" : "");
zSep = " OR ";
i++;
}
while( az2[i] ){
strPrintf(&sql, "%sB.%s IS NOT NULL%s\n",
zSep, az2[i], az2[i+1]==0 ? ")" : "");
zSep = " OR ";
i++;
}
strPrintf(&sql, " UNION ALL\n");
}
zSep = "SELECT ";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%sA.%s", zSep, az[i]);
zSep = ", ";
}
strPrintf(&sql, ", 2%s -- deleted row\n", nPk==n ? "" : ",");
while( az2[i] ){
strPrintf(&sql, " NULL, NULL%s\n", i==n2-1 ? "" : ",");
i++;
}
strPrintf(&sql, " FROM main.%s A\n", zId);
strPrintf(&sql, " WHERE NOT EXISTS(SELECT 1 FROM aux.%s B\n", zId);
zSep = " WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, az[i], az[i]);
zSep = " AND";
}
strPrintf(&sql, ")\n");
zSep = " UNION ALL\nSELECT ";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%sB.%s", zSep, az[i]);
zSep = ", ";
}
strPrintf(&sql, ", 3%s -- inserted row\n", nPk==n ? "" : ",");
while( az2[i] ){
strPrintf(&sql, " 1, B.%s%s\n", az2[i], az2[i+1]==0 ? "" : ",");
i++;
}
strPrintf(&sql, " FROM aux.%s B\n", zId);
strPrintf(&sql, " WHERE NOT EXISTS(SELECT 1 FROM main.%s A\n", zId);
zSep = " WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, az[i], az[i]);
zSep = " AND";
}
strPrintf(&sql, ")\n ORDER BY");
zSep = " ";
for(i=1; i<=nPk; i++){
strPrintf(&sql, "%s%d", zSep, i);
zSep = ", ";
}
strPrintf(&sql, ";\n");
if( g.fDebug & DEBUG_DIFF_SQL ){
printf("SQL for %s:\n%s\n", zId, sql.z);
goto end_diff_one_table;
}
/* Drop indexes that are missing in the destination */
pStmt = db_prepare(
"SELECT name FROM main.sqlite_master"
" WHERE type='index' AND tbl_name=%Q"
" AND sql IS NOT NULL"
" AND sql NOT IN (SELECT sql FROM aux.sqlite_master"
" WHERE type='index' AND tbl_name=%Q"
" AND sql IS NOT NULL)",
zTab, zTab);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
char *z = safeId((const char*)sqlite3_column_text(pStmt,0));
fprintf(out, "DROP INDEX %s;\n", z);
sqlite3_free(z);
}
sqlite3_finalize(pStmt);
/* Run the query and output differences */
if( !g.bSchemaOnly ){
pStmt = db_prepare("%s", sql.z);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
int iType = sqlite3_column_int(pStmt, nPk);
if( iType==1 || iType==2 ){
if( iType==1 ){ /* Change the content of a row */
fprintf(out, "UPDATE %s", zId);
zSep = " SET";
for(i=nPk+1; i<nQ; i+=2){
if( sqlite3_column_int(pStmt,i)==0 ) continue;
fprintf(out, "%s %s=", zSep, az2[(i+nPk-1)/2]);
zSep = ",";
printQuoted(out, sqlite3_column_value(pStmt,i+1));
}
}else{ /* Delete a row */
fprintf(out, "DELETE FROM %s", zId);
}
zSep = " WHERE";
for(i=0; i<nPk; i++){
fprintf(out, "%s %s=", zSep, az2[i]);
printQuoted(out, sqlite3_column_value(pStmt,i));
zSep = " AND";
}
fprintf(out, ";\n");
}else{ /* Insert a row */
fprintf(out, "INSERT INTO %s(%s", zId, az2[0]);
for(i=1; az2[i]; i++) fprintf(out, ",%s", az2[i]);
fprintf(out, ") VALUES");
zSep = "(";
for(i=0; i<nPk2; i++){
fprintf(out, "%s", zSep);
zSep = ",";
printQuoted(out, sqlite3_column_value(pStmt,i));
}
for(i=nPk2+2; i<nQ; i+=2){
fprintf(out, ",");
printQuoted(out, sqlite3_column_value(pStmt,i));
}
fprintf(out, ");\n");
}
}
sqlite3_finalize(pStmt);
} /* endif !g.bSchemaOnly */
/* Create indexes that are missing in the source */
pStmt = db_prepare(
"SELECT sql FROM aux.sqlite_master"
" WHERE type='index' AND tbl_name=%Q"
" AND sql IS NOT NULL"
" AND sql NOT IN (SELECT sql FROM main.sqlite_master"
" WHERE type='index' AND tbl_name=%Q"
" AND sql IS NOT NULL)",
zTab, zTab);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
fprintf(out, "%s;\n", sqlite3_column_text(pStmt,0));
}
sqlite3_finalize(pStmt);
end_diff_one_table:
strFree(&sql);
sqlite3_free(zId);
namelistFree(az);
namelistFree(az2);
return;
}
/*
** Check that table zTab exists and has the same schema in both the "main"
** and "aux" databases currently opened by the global db handle. If they
** do not, output an error message on stderr and exit(1). Otherwise, if
** the schemas do match, return control to the caller.
*/
static void checkSchemasMatch(const char *zTab){
sqlite3_stmt *pStmt = db_prepare(
"SELECT A.sql=B.sql FROM main.sqlite_master A, aux.sqlite_master B"
" WHERE A.name=%Q AND B.name=%Q", zTab, zTab
);
if( SQLITE_ROW==sqlite3_step(pStmt) ){
if( sqlite3_column_int(pStmt,0)==0 ){
runtimeError("schema changes for table %s", safeId(zTab));
}
}else{
runtimeError("table %s missing from one or both databases", safeId(zTab));
}
sqlite3_finalize(pStmt);
}
/**************************************************************************
** The following code is copied from fossil. It is used to generate the
** fossil delta blobs sometimes used in RBU update records.
*/
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned char u8;
/*
** The width of a hash window in bytes. The algorithm only works if this
** is a power of 2.
*/
#define NHASH 16
/*
** The current state of the rolling hash.
**
** z[] holds the values that have been hashed. z[] is a circular buffer.
** z[i] is the first entry and z[(i+NHASH-1)%NHASH] is the last entry of
** the window.
**
** Hash.a is the sum of all elements of hash.z[]. Hash.b is a weighted
** sum. Hash.b is z[i]*NHASH + z[i+1]*(NHASH-1) + ... + z[i+NHASH-1]*1.
** (Each index for z[] should be module NHASH, of course. The %NHASH operator
** is omitted in the prior expression for brevity.)
*/
typedef struct hash hash;
struct hash {
u16 a, b; /* Hash values */
u16 i; /* Start of the hash window */
char z[NHASH]; /* The values that have been hashed */
};
/*
** Initialize the rolling hash using the first NHASH characters of z[]
*/
static void hash_init(hash *pHash, const char *z){
u16 a, b, i;
a = b = 0;
for(i=0; i<NHASH; i++){
a += z[i];
b += (NHASH-i)*z[i];
pHash->z[i] = z[i];
}
pHash->a = a & 0xffff;
pHash->b = b & 0xffff;
pHash->i = 0;
}
/*
** Advance the rolling hash by a single character "c"
*/
static void hash_next(hash *pHash, int c){
u16 old = pHash->z[pHash->i];
pHash->z[pHash->i] = (char)c;
pHash->i = (pHash->i+1)&(NHASH-1);
pHash->a = pHash->a - old + (char)c;
pHash->b = pHash->b - NHASH*old + pHash->a;
}
/*
** Return a 32-bit hash value
*/
static u32 hash_32bit(hash *pHash){
return (pHash->a & 0xffff) | (((u32)(pHash->b & 0xffff))<<16);
}
/*
** Write an base-64 integer into the given buffer.
*/
static void putInt(unsigned int v, char **pz){
static const char zDigits[] =
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~";
/* 123456789 123456789 123456789 123456789 123456789 123456789 123 */
int i, j;
char zBuf[20];
if( v==0 ){
*(*pz)++ = '0';
return;
}
for(i=0; v>0; i++, v>>=6){
zBuf[i] = zDigits[v&0x3f];
}
for(j=i-1; j>=0; j--){
*(*pz)++ = zBuf[j];
}
}
/*
** Return the number digits in the base-64 representation of a positive integer
*/
static int digit_count(int v){
unsigned int i, x;
for(i=1, x=64; (unsigned int)v>=x; i++, x <<= 6){}
return i;
}
/*
** Compute a 32-bit checksum on the N-byte buffer. Return the result.
*/
static unsigned int checksum(const char *zIn, size_t N){
const unsigned char *z = (const unsigned char *)zIn;
unsigned sum0 = 0;
unsigned sum1 = 0;
unsigned sum2 = 0;
unsigned sum3 = 0;
while(N >= 16){
sum0 += ((unsigned)z[0] + z[4] + z[8] + z[12]);
sum1 += ((unsigned)z[1] + z[5] + z[9] + z[13]);
sum2 += ((unsigned)z[2] + z[6] + z[10]+ z[14]);
sum3 += ((unsigned)z[3] + z[7] + z[11]+ z[15]);
z += 16;
N -= 16;
}
while(N >= 4){
sum0 += z[0];
sum1 += z[1];
sum2 += z[2];
sum3 += z[3];
z += 4;
N -= 4;
}
sum3 += (sum2 << 8) + (sum1 << 16) + (sum0 << 24);
switch(N){
case 3: sum3 += (z[2] << 8);
case 2: sum3 += (z[1] << 16);
case 1: sum3 += (z[0] << 24);
default: ;
}
return sum3;
}
/*
** Create a new delta.
**
** The delta is written into a preallocated buffer, zDelta, which
** should be at least 60 bytes longer than the target file, zOut.
** The delta string will be NUL-terminated, but it might also contain
** embedded NUL characters if either the zSrc or zOut files are
** binary. This function returns the length of the delta string
** in bytes, excluding the final NUL terminator character.
**
** Output Format:
**
** The delta begins with a base64 number followed by a newline. This
** number is the number of bytes in the TARGET file. Thus, given a
** delta file z, a program can compute the size of the output file
** simply by reading the first line and decoding the base-64 number
** found there. The delta_output_size() routine does exactly this.
**
** After the initial size number, the delta consists of a series of
** literal text segments and commands to copy from the SOURCE file.
** A copy command looks like this:
**
** NNN@MMM,
**
** where NNN is the number of bytes to be copied and MMM is the offset
** into the source file of the first byte (both base-64). If NNN is 0
** it means copy the rest of the input file. Literal text is like this:
**
** NNN:TTTTT
**
** where NNN is the number of bytes of text (base-64) and TTTTT is the text.
**
** The last term is of the form
**
** NNN;
**
** In this case, NNN is a 32-bit bigendian checksum of the output file
** that can be used to verify that the delta applied correctly. All
** numbers are in base-64.
**
** Pure text files generate a pure text delta. Binary files generate a
** delta that may contain some binary data.
**
** Algorithm:
**
** The encoder first builds a hash table to help it find matching
** patterns in the source file. 16-byte chunks of the source file
** sampled at evenly spaced intervals are used to populate the hash
** table.
**
** Next we begin scanning the target file using a sliding 16-byte
** window. The hash of the 16-byte window in the target is used to
** search for a matching section in the source file. When a match
** is found, a copy command is added to the delta. An effort is
** made to extend the matching section to regions that come before
** and after the 16-byte hash window. A copy command is only issued
** if the result would use less space that just quoting the text
** literally. Literal text is added to the delta for sections that
** do not match or which can not be encoded efficiently using copy
** commands.
*/
static int rbuDeltaCreate(
const char *zSrc, /* The source or pattern file */
unsigned int lenSrc, /* Length of the source file */
const char *zOut, /* The target file */
unsigned int lenOut, /* Length of the target file */
char *zDelta /* Write the delta into this buffer */
){
unsigned int i, base;
char *zOrigDelta = zDelta;
hash h;
int nHash; /* Number of hash table entries */
int *landmark; /* Primary hash table */
int *collide; /* Collision chain */
int lastRead = -1; /* Last byte of zSrc read by a COPY command */
/* Add the target file size to the beginning of the delta
*/
putInt(lenOut, &zDelta);
*(zDelta++) = '\n';
/* If the source file is very small, it means that we have no
** chance of ever doing a copy command. Just output a single
** literal segment for the entire target and exit.
*/
if( lenSrc<=NHASH ){
putInt(lenOut, &zDelta);
*(zDelta++) = ':';
memcpy(zDelta, zOut, lenOut);
zDelta += lenOut;
putInt(checksum(zOut, lenOut), &zDelta);
*(zDelta++) = ';';
return (int)(zDelta - zOrigDelta);
}
/* Compute the hash table used to locate matching sections in the
** source file.
*/
nHash = lenSrc/NHASH;
collide = sqlite3_malloc( nHash*2*sizeof(int) );
landmark = &collide[nHash];
memset(landmark, -1, nHash*sizeof(int));
memset(collide, -1, nHash*sizeof(int));
for(i=0; i<lenSrc-NHASH; i+=NHASH){
int hv;
hash_init(&h, &zSrc[i]);
hv = hash_32bit(&h) % nHash;
collide[i/NHASH] = landmark[hv];
landmark[hv] = i/NHASH;
}
/* Begin scanning the target file and generating copy commands and
** literal sections of the delta.
*/
base = 0; /* We have already generated everything before zOut[base] */
while( base+NHASH<lenOut ){
int iSrc, iBlock;
int bestCnt, bestOfst=0, bestLitsz=0;
hash_init(&h, &zOut[base]);
i = 0; /* Trying to match a landmark against zOut[base+i] */
bestCnt = 0;
while( 1 ){
int hv;
int limit = 250;
hv = hash_32bit(&h) % nHash;
iBlock = landmark[hv];
while( iBlock>=0 && (limit--)>0 ){
/*
** The hash window has identified a potential match against
** landmark block iBlock. But we need to investigate further.
**
** Look for a region in zOut that matches zSrc. Anchor the search
** at zSrc[iSrc] and zOut[base+i]. Do not include anything prior to
** zOut[base] or after zOut[outLen] nor anything after zSrc[srcLen].
**
** Set cnt equal to the length of the match and set ofst so that
** zSrc[ofst] is the first element of the match. litsz is the number
** of characters between zOut[base] and the beginning of the match.
** sz will be the overhead (in bytes) needed to encode the copy
** command. Only generate copy command if the overhead of the
** copy command is less than the amount of literal text to be copied.
*/
int cnt, ofst, litsz;
int j, k, x, y;
int sz;
/* Beginning at iSrc, match forwards as far as we can. j counts
** the number of characters that match */
iSrc = iBlock*NHASH;
for(
j=0, x=iSrc, y=base+i;
(unsigned int)x<lenSrc && (unsigned int)y<lenOut;
j++, x++, y++
){
if( zSrc[x]!=zOut[y] ) break;
}
j--;
/* Beginning at iSrc-1, match backwards as far as we can. k counts
** the number of characters that match */
for(k=1; k<iSrc && (unsigned int)k<=i; k++){
if( zSrc[iSrc-k]!=zOut[base+i-k] ) break;
}
k--;
/* Compute the offset and size of the matching region */
ofst = iSrc-k;
cnt = j+k+1;
litsz = i-k; /* Number of bytes of literal text before the copy */
/* sz will hold the number of bytes needed to encode the "insert"
** command and the copy command, not counting the "insert" text */
sz = digit_count(i-k)+digit_count(cnt)+digit_count(ofst)+3;
if( cnt>=sz && cnt>bestCnt ){
/* Remember this match only if it is the best so far and it
** does not increase the file size */
bestCnt = cnt;
bestOfst = iSrc-k;
bestLitsz = litsz;
}
/* Check the next matching block */
iBlock = collide[iBlock];
}
/* We have a copy command that does not cause the delta to be larger
** than a literal insert. So add the copy command to the delta.
*/
if( bestCnt>0 ){
if( bestLitsz>0 ){
/* Add an insert command before the copy */
putInt(bestLitsz,&zDelta);
*(zDelta++) = ':';
memcpy(zDelta, &zOut[base], bestLitsz);
zDelta += bestLitsz;
base += bestLitsz;
}
base += bestCnt;
putInt(bestCnt, &zDelta);
*(zDelta++) = '@';
putInt(bestOfst, &zDelta);
*(zDelta++) = ',';
if( bestOfst + bestCnt -1 > lastRead ){
lastRead = bestOfst + bestCnt - 1;
}
bestCnt = 0;
break;
}
/* If we reach this point, it means no match is found so far */
if( base+i+NHASH>=lenOut ){
/* We have reached the end of the file and have not found any
** matches. Do an "insert" for everything that does not match */
putInt(lenOut-base, &zDelta);
*(zDelta++) = ':';
memcpy(zDelta, &zOut[base], lenOut-base);
zDelta += lenOut-base;
base = lenOut;
break;
}
/* Advance the hash by one character. Keep looking for a match */
hash_next(&h, zOut[base+i+NHASH]);
i++;
}
}
/* Output a final "insert" record to get all the text at the end of
** the file that does not match anything in the source file.
*/
if( base<lenOut ){
putInt(lenOut-base, &zDelta);
*(zDelta++) = ':';
memcpy(zDelta, &zOut[base], lenOut-base);
zDelta += lenOut-base;
}
/* Output the final checksum record. */
putInt(checksum(zOut, lenOut), &zDelta);
*(zDelta++) = ';';
sqlite3_free(collide);
return (int)(zDelta - zOrigDelta);
}
/*
** End of code copied from fossil.
**************************************************************************/
static void strPrintfArray(
Str *pStr, /* String object to append to */
const char *zSep, /* Separator string */
const char *zFmt, /* Format for each entry */
char **az, int n /* Array of strings & its size (or -1) */
){
int i;
for(i=0; az[i] && (i<n || n<0); i++){
if( i!=0 ) strPrintf(pStr, "%s", zSep);
strPrintf(pStr, zFmt, az[i], az[i], az[i]);
}
}
static void getRbudiffQuery(
const char *zTab,
char **azCol,
int nPK,
int bOtaRowid,
Str *pSql
){
int i;
/* First the newly inserted rows: **/
strPrintf(pSql, "SELECT ");
strPrintfArray(pSql, ", ", "%s", azCol, -1);
strPrintf(pSql, ", 0, "); /* Set ota_control to 0 for an insert */
strPrintfArray(pSql, ", ", "NULL", azCol, -1);
strPrintf(pSql, " FROM aux.%Q AS n WHERE NOT EXISTS (\n", zTab);
strPrintf(pSql, " SELECT 1 FROM ", zTab);
strPrintf(pSql, " main.%Q AS o WHERE ", zTab);
strPrintfArray(pSql, " AND ", "(n.%Q = o.%Q)", azCol, nPK);
strPrintf(pSql, "\n) AND ");
strPrintfArray(pSql, " AND ", "(n.%Q IS NOT NULL)", azCol, nPK);
/* Deleted rows: */
strPrintf(pSql, "\nUNION ALL\nSELECT ");
strPrintfArray(pSql, ", ", "%s", azCol, nPK);
if( azCol[nPK] ){
strPrintf(pSql, ", ");
strPrintfArray(pSql, ", ", "NULL", &azCol[nPK], -1);
}
strPrintf(pSql, ", 1, "); /* Set ota_control to 1 for a delete */
strPrintfArray(pSql, ", ", "NULL", azCol, -1);
strPrintf(pSql, " FROM main.%Q AS n WHERE NOT EXISTS (\n", zTab);
strPrintf(pSql, " SELECT 1 FROM ", zTab);
strPrintf(pSql, " aux.%Q AS o WHERE ", zTab);
strPrintfArray(pSql, " AND ", "(n.%Q = o.%Q)", azCol, nPK);
strPrintf(pSql, "\n) AND ");
strPrintfArray(pSql, " AND ", "(n.%Q IS NOT NULL)", azCol, nPK);
/* Updated rows. If all table columns are part of the primary key, there
** can be no updates. In this case this part of the compound SELECT can
** be omitted altogether. */
if( azCol[nPK] ){
strPrintf(pSql, "\nUNION ALL\nSELECT ");
strPrintfArray(pSql, ", ", "n.%s", azCol, nPK);
strPrintf(pSql, ",\n");
strPrintfArray(pSql, " ,\n",
" CASE WHEN n.%s IS o.%s THEN NULL ELSE n.%s END", &azCol[nPK], -1
);
if( bOtaRowid==0 ){
strPrintf(pSql, ", '");
strPrintfArray(pSql, "", ".", azCol, nPK);
strPrintf(pSql, "' ||\n");
}else{
strPrintf(pSql, ",\n");
}
strPrintfArray(pSql, " ||\n",
" CASE WHEN n.%s IS o.%s THEN '.' ELSE 'x' END", &azCol[nPK], -1
);
strPrintf(pSql, "\nAS ota_control, ");
strPrintfArray(pSql, ", ", "NULL", azCol, nPK);
strPrintf(pSql, ",\n");
strPrintfArray(pSql, " ,\n",
" CASE WHEN n.%s IS o.%s THEN NULL ELSE o.%s END", &azCol[nPK], -1
);
strPrintf(pSql, "\nFROM main.%Q AS o, aux.%Q AS n\nWHERE ", zTab, zTab);
strPrintfArray(pSql, " AND ", "(n.%Q = o.%Q)", azCol, nPK);
strPrintf(pSql, " AND ota_control LIKE '%%x%%'");
}
/* Now add an ORDER BY clause to sort everything by PK. */
strPrintf(pSql, "\nORDER BY ");
for(i=1; i<=nPK; i++) strPrintf(pSql, "%s%d", ((i>1)?", ":""), i);
}
static void rbudiff_one_table(const char *zTab, FILE *out){
int bOtaRowid; /* True to use an ota_rowid column */
int nPK; /* Number of primary key columns in table */
char **azCol; /* NULL terminated array of col names */
int i;
int nCol;
Str ct = {0, 0, 0}; /* The "CREATE TABLE data_xxx" statement */
Str sql = {0, 0, 0}; /* Query to find differences */
Str insert = {0, 0, 0}; /* First part of output INSERT statement */
sqlite3_stmt *pStmt = 0;
int nRow = 0; /* Total rows in data_xxx table */
/* --rbu mode must use real primary keys. */
g.bSchemaPK = 1;
/* Check that the schemas of the two tables match. Exit early otherwise. */
checkSchemasMatch(zTab);
/* Grab the column names and PK details for the table(s). If no usable PK
** columns are found, bail out early. */
azCol = columnNames("main", zTab, &nPK, &bOtaRowid);
if( azCol==0 ){
runtimeError("table %s has no usable PK columns", zTab);
}
for(nCol=0; azCol[nCol]; nCol++);
/* Build and output the CREATE TABLE statement for the data_xxx table */
strPrintf(&ct, "CREATE TABLE IF NOT EXISTS 'data_%q'(", zTab);
if( bOtaRowid ) strPrintf(&ct, "rbu_rowid, ");
strPrintfArray(&ct, ", ", "%s", &azCol[bOtaRowid], -1);
strPrintf(&ct, ", rbu_control);");
/* Get the SQL for the query to retrieve data from the two databases */
getRbudiffQuery(zTab, azCol, nPK, bOtaRowid, &sql);
/* Build the first part of the INSERT statement output for each row
** in the data_xxx table. */
strPrintf(&insert, "INSERT INTO 'data_%q' (", zTab);
if( bOtaRowid ) strPrintf(&insert, "rbu_rowid, ");
strPrintfArray(&insert, ", ", "%s", &azCol[bOtaRowid], -1);
strPrintf(&insert, ", rbu_control) VALUES(");
pStmt = db_prepare("%s", sql.z);
while( sqlite3_step(pStmt)==SQLITE_ROW ){
/* If this is the first row output, print out the CREATE TABLE
** statement first. And then set ct.z to NULL so that it is not
** printed again. */
if( ct.z ){
fprintf(out, "%s\n", ct.z);
strFree(&ct);
}
/* Output the first part of the INSERT statement */
fprintf(out, "%s", insert.z);
nRow++;
if( sqlite3_column_type(pStmt, nCol)==SQLITE_INTEGER ){
for(i=0; i<=nCol; i++){
if( i>0 ) fprintf(out, ", ");
printQuoted(out, sqlite3_column_value(pStmt, i));
}
}else{
char *zOtaControl;
int nOtaControl = sqlite3_column_bytes(pStmt, nCol);
zOtaControl = (char*)sqlite3_malloc(nOtaControl+1);
memcpy(zOtaControl, sqlite3_column_text(pStmt, nCol), nOtaControl+1);
for(i=0; i<nCol; i++){
int bDone = 0;
if( i>=nPK
&& sqlite3_column_type(pStmt, i)==SQLITE_BLOB
&& sqlite3_column_type(pStmt, nCol+1+i)==SQLITE_BLOB
){
const char *aSrc = sqlite3_column_blob(pStmt, nCol+1+i);
int nSrc = sqlite3_column_bytes(pStmt, nCol+1+i);
const char *aFinal = sqlite3_column_blob(pStmt, i);
int nFinal = sqlite3_column_bytes(pStmt, i);
char *aDelta;
int nDelta;
aDelta = sqlite3_malloc(nFinal + 60);
nDelta = rbuDeltaCreate(aSrc, nSrc, aFinal, nFinal, aDelta);
if( nDelta<nFinal ){
int j;
fprintf(out, "x'");
for(j=0; j<nDelta; j++) fprintf(out, "%02x", (u8)aDelta[j]);
fprintf(out, "'");
zOtaControl[i-bOtaRowid] = 'f';
bDone = 1;
}
sqlite3_free(aDelta);
}
if( bDone==0 ){
printQuoted(out, sqlite3_column_value(pStmt, i));
}
fprintf(out, ", ");
}
fprintf(out, "'%s'", zOtaControl);
sqlite3_free(zOtaControl);
}
/* And the closing bracket of the insert statement */
fprintf(out, ");\n");
}
sqlite3_finalize(pStmt);
if( nRow>0 ){
Str cnt = {0, 0, 0};
strPrintf(&cnt, "INSERT INTO rbu_count VALUES('data_%q', %d);", zTab, nRow);
fprintf(out, "%s\n", cnt.z);
strFree(&cnt);
}
strFree(&ct);
strFree(&sql);
strFree(&insert);
}
/*
** Display a summary of differences between two versions of the same
** table table.
**
** * Number of rows changed
** * Number of rows added
** * Number of rows deleted
** * Number of identical rows
*/
static void summarize_one_table(const char *zTab, FILE *out){
char *zId = safeId(zTab); /* Name of table (translated for us in SQL) */
char **az = 0; /* Columns in main */
char **az2 = 0; /* Columns in aux */
int nPk; /* Primary key columns in main */
int nPk2; /* Primary key columns in aux */
int n = 0; /* Number of columns in main */
int n2; /* Number of columns in aux */
int i; /* Loop counter */
const char *zSep; /* Separator string */
Str sql; /* Comparison query */
sqlite3_stmt *pStmt; /* Query statement to do the diff */
sqlite3_int64 nUpdate; /* Number of updated rows */
sqlite3_int64 nUnchanged; /* Number of unmodified rows */
sqlite3_int64 nDelete; /* Number of deleted rows */
sqlite3_int64 nInsert; /* Number of inserted rows */
strInit(&sql);
if( sqlite3_table_column_metadata(g.db,"aux",zTab,0,0,0,0,0,0) ){
if( !sqlite3_table_column_metadata(g.db,"main",zTab,0,0,0,0,0,0) ){
/* Table missing from second database. */
fprintf(out, "%s: missing from second database\n", zTab);
}
goto end_summarize_one_table;
}
if( sqlite3_table_column_metadata(g.db,"main",zTab,0,0,0,0,0,0) ){
/* Table missing from source */
fprintf(out, "%s: missing from first database\n", zTab);
goto end_summarize_one_table;
}
az = columnNames("main", zTab, &nPk, 0);
az2 = columnNames("aux", zTab, &nPk2, 0);
if( az && az2 ){
for(n=0; az[n]; n++){
if( sqlite3_stricmp(az[n],az2[n])!=0 ) break;
}
}
if( az==0
|| az2==0
|| nPk!=nPk2
|| az[n]
){
/* Schema mismatch */
fprintf(out, "%s: incompatible schema\n", zTab);
goto end_summarize_one_table;
}
/* Build the comparison query */
for(n2=n; az[n2]; n2++){}
strPrintf(&sql, "SELECT 1, count(*)");
if( n2==nPk2 ){
strPrintf(&sql, ", 0\n");
}else{
zSep = ", sum(";
for(i=nPk; az[i]; i++){
strPrintf(&sql, "%sA.%s IS NOT B.%s", zSep, az[i], az[i]);
zSep = " OR ";
}
strPrintf(&sql, ")\n");
}
strPrintf(&sql, " FROM main.%s A, aux.%s B\n", zId, zId);
zSep = " WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, az[i], az[i]);
zSep = " AND";
}
strPrintf(&sql, " UNION ALL\n");
strPrintf(&sql, "SELECT 2, count(*), 0\n");
strPrintf(&sql, " FROM main.%s A\n", zId);
strPrintf(&sql, " WHERE NOT EXISTS(SELECT 1 FROM aux.%s B ", zId);
zSep = "WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, az[i], az[i]);
zSep = " AND";
}
strPrintf(&sql, ")\n");
strPrintf(&sql, " UNION ALL\n");
strPrintf(&sql, "SELECT 3, count(*), 0\n");
strPrintf(&sql, " FROM aux.%s B\n", zId);
strPrintf(&sql, " WHERE NOT EXISTS(SELECT 1 FROM main.%s A ", zId);
zSep = "WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, az[i], az[i]);
zSep = " AND";
}
strPrintf(&sql, ")\n ORDER BY 1;\n");
if( (g.fDebug & DEBUG_DIFF_SQL)!=0 ){
printf("SQL for %s:\n%s\n", zId, sql.z);
goto end_summarize_one_table;
}
/* Run the query and output difference summary */
pStmt = db_prepare("%s", sql.z);
nUpdate = 0;
nInsert = 0;
nDelete = 0;
nUnchanged = 0;
while( SQLITE_ROW==sqlite3_step(pStmt) ){
switch( sqlite3_column_int(pStmt,0) ){
case 1:
nUpdate = sqlite3_column_int64(pStmt,2);
nUnchanged = sqlite3_column_int64(pStmt,1) - nUpdate;
break;
case 2:
nDelete = sqlite3_column_int64(pStmt,1);
break;
case 3:
nInsert = sqlite3_column_int64(pStmt,1);
break;
}
}
sqlite3_finalize(pStmt);
fprintf(out, "%s: %lld changes, %lld inserts, %lld deletes, %lld unchanged\n",
zTab, nUpdate, nInsert, nDelete, nUnchanged);
end_summarize_one_table:
strFree(&sql);
sqlite3_free(zId);
namelistFree(az);
namelistFree(az2);
return;
}
/*
** Write a 64-bit signed integer as a varint onto out
*/
static void putsVarint(FILE *out, sqlite3_uint64 v){
int i, n;
unsigned char p[12];
if( v & (((sqlite3_uint64)0xff000000)<<32) ){
p[8] = (unsigned char)v;
v >>= 8;
for(i=7; i>=0; i--){
p[i] = (unsigned char)((v & 0x7f) | 0x80);
v >>= 7;
}
fwrite(p, 8, 1, out);
}else{
n = 9;
do{
p[n--] = (unsigned char)((v & 0x7f) | 0x80);
v >>= 7;
}while( v!=0 );
p[9] &= 0x7f;
fwrite(p+n+1, 9-n, 1, out);
}
}
/*
** Write an SQLite value onto out.
*/
static void putValue(FILE *out, sqlite3_value *pVal){
int iDType = sqlite3_value_type(pVal);
sqlite3_int64 iX;
double rX;
sqlite3_uint64 uX;
int j;
putc(iDType, out);
switch( iDType ){
case SQLITE_INTEGER:
iX = sqlite3_value_int64(pVal);
memcpy(&uX, &iX, 8);
for(j=56; j>=0; j-=8) putc((uX>>j)&0xff, out);
break;
case SQLITE_FLOAT:
rX = sqlite3_value_double(pVal);
memcpy(&uX, &rX, 8);
for(j=56; j>=0; j-=8) putc((uX>>j)&0xff, out);
break;
case SQLITE_TEXT:
iX = sqlite3_value_bytes(pVal);
putsVarint(out, (sqlite3_uint64)iX);
fwrite(sqlite3_value_text(pVal),1,(size_t)iX,out);
break;
case SQLITE_BLOB:
iX = sqlite3_value_bytes(pVal);
putsVarint(out, (sqlite3_uint64)iX);
fwrite(sqlite3_value_blob(pVal),1,(size_t)iX,out);
break;
case SQLITE_NULL:
break;
}
}
/*
** Generate a CHANGESET for all differences from main.zTab to aux.zTab.
*/
static void changeset_one_table(const char *zTab, FILE *out){
sqlite3_stmt *pStmt; /* SQL statment */
char *zId = safeId(zTab); /* Escaped name of the table */
char **azCol = 0; /* List of escaped column names */
int nCol = 0; /* Number of columns */
int *aiFlg = 0; /* 0 if column is not part of PK */
int *aiPk = 0; /* Column numbers for each PK column */
int nPk = 0; /* Number of PRIMARY KEY columns */
Str sql; /* SQL for the diff query */
int i, k; /* Loop counters */
const char *zSep; /* List separator */
/* Check that the schemas of the two tables match. Exit early otherwise. */
checkSchemasMatch(zTab);
pStmt = db_prepare("PRAGMA main.table_info=%Q", zTab);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
nCol++;
azCol = sqlite3_realloc(azCol, sizeof(char*)*nCol);
if( azCol==0 ) runtimeError("out of memory");
aiFlg = sqlite3_realloc(aiFlg, sizeof(int)*nCol);
if( aiFlg==0 ) runtimeError("out of memory");
azCol[nCol-1] = safeId((const char*)sqlite3_column_text(pStmt,1));
aiFlg[nCol-1] = i = sqlite3_column_int(pStmt,5);
if( i>0 ){
if( i>nPk ){
nPk = i;
aiPk = sqlite3_realloc(aiPk, sizeof(int)*nPk);
if( aiPk==0 ) runtimeError("out of memory");
}
aiPk[i-1] = nCol-1;
}
}
sqlite3_finalize(pStmt);
if( nPk==0 ) goto end_changeset_one_table;
strInit(&sql);
if( nCol>nPk ){
strPrintf(&sql, "SELECT %d", SQLITE_UPDATE);
for(i=0; i<nCol; i++){
if( aiFlg[i] ){
strPrintf(&sql, ",\n A.%s", azCol[i]);
}else{
strPrintf(&sql, ",\n A.%s IS NOT B.%s, A.%s, B.%s",
azCol[i], azCol[i], azCol[i], azCol[i]);
}
}
strPrintf(&sql,"\n FROM main.%s A, aux.%s B\n", zId, zId);
zSep = " WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, azCol[aiPk[i]], azCol[aiPk[i]]);
zSep = " AND";
}
zSep = "\n AND (";
for(i=0; i<nCol; i++){
if( aiFlg[i] ) continue;
strPrintf(&sql, "%sA.%s IS NOT B.%s", zSep, azCol[i], azCol[i]);
zSep = " OR\n ";
}
strPrintf(&sql,")\n UNION ALL\n");
}
strPrintf(&sql, "SELECT %d", SQLITE_DELETE);
for(i=0; i<nCol; i++){
if( aiFlg[i] ){
strPrintf(&sql, ",\n A.%s", azCol[i]);
}else{
strPrintf(&sql, ",\n 1, A.%s, NULL", azCol[i]);
}
}
strPrintf(&sql, "\n FROM main.%s A\n", zId);
strPrintf(&sql, " WHERE NOT EXISTS(SELECT 1 FROM aux.%s B\n", zId);
zSep = " WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, azCol[aiPk[i]], azCol[aiPk[i]]);
zSep = " AND";
}
strPrintf(&sql, ")\n UNION ALL\n");
strPrintf(&sql, "SELECT %d", SQLITE_INSERT);
for(i=0; i<nCol; i++){
if( aiFlg[i] ){
strPrintf(&sql, ",\n B.%s", azCol[i]);
}else{
strPrintf(&sql, ",\n 1, NULL, B.%s", azCol[i]);
}
}
strPrintf(&sql, "\n FROM aux.%s B\n", zId);
strPrintf(&sql, " WHERE NOT EXISTS(SELECT 1 FROM main.%s A\n", zId);
zSep = " WHERE";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s A.%s=B.%s", zSep, azCol[aiPk[i]], azCol[aiPk[i]]);
zSep = " AND";
}
strPrintf(&sql, ")\n");
strPrintf(&sql, " ORDER BY");
zSep = " ";
for(i=0; i<nPk; i++){
strPrintf(&sql, "%s %d", zSep, aiPk[i]+2);
zSep = ",";
}
strPrintf(&sql, ";\n");
if( g.fDebug & DEBUG_DIFF_SQL ){
printf("SQL for %s:\n%s\n", zId, sql.z);
goto end_changeset_one_table;
}
putc('T', out);
putsVarint(out, (sqlite3_uint64)nCol);
for(i=0; i<nCol; i++) putc(aiFlg[i], out);
fwrite(zTab, 1, strlen(zTab), out);
putc(0, out);
pStmt = db_prepare("%s", sql.z);
while( SQLITE_ROW==sqlite3_step(pStmt) ){
int iType = sqlite3_column_int(pStmt,0);
putc(iType, out);
putc(0, out);
switch( sqlite3_column_int(pStmt,0) ){
case SQLITE_UPDATE: {
for(k=1, i=0; i<nCol; i++){
if( aiFlg[i] ){
putValue(out, sqlite3_column_value(pStmt,k));
k++;
}else if( sqlite3_column_int(pStmt,k) ){
putValue(out, sqlite3_column_value(pStmt,k+1));
k += 3;
}else{
putc(0, out);
k += 3;
}
}
for(k=1, i=0; i<nCol; i++){
if( aiFlg[i] ){
putc(0, out);
k++;
}else if( sqlite3_column_int(pStmt,k) ){
putValue(out, sqlite3_column_value(pStmt,k+2));
k += 3;
}else{
putc(0, out);
k += 3;
}
}
break;
}
case SQLITE_INSERT: {
for(k=1, i=0; i<nCol; i++){
if( aiFlg[i] ){
putValue(out, sqlite3_column_value(pStmt,k));
k++;
}else{
putValue(out, sqlite3_column_value(pStmt,k+2));
k += 3;
}
}
break;
}
case SQLITE_DELETE: {
for(k=1, i=0; i<nCol; i++){
if( aiFlg[i] ){
putValue(out, sqlite3_column_value(pStmt,k));
k++;
}else{
putValue(out, sqlite3_column_value(pStmt,k+1));
k += 3;
}
}
break;
}
}
}
sqlite3_finalize(pStmt);
end_changeset_one_table:
while( nCol>0 ) sqlite3_free(azCol[--nCol]);
sqlite3_free(azCol);
sqlite3_free(aiPk);
sqlite3_free(zId);
}
/*
** Extract the next SQL keyword or quoted string from buffer zIn and copy it
** (or a prefix of it if it will not fit) into buffer zBuf, size nBuf bytes.
** Return a pointer to the character within zIn immediately following
** the token or quoted string just extracted.
*/
const char *gobble_token(const char *zIn, char *zBuf, int nBuf){
const char *p = zIn;
char *pOut = zBuf;
char *pEnd = &pOut[nBuf-1];
char q = 0; /* quote character, if any */
if( p==0 ) return 0;
while( *p==' ' ) p++;
switch( *p ){
case '"': q = '"'; break;
case '\'': q = '\''; break;
case '`': q = '`'; break;
case '[': q = ']'; break;
}
if( q ){
p++;
while( *p && pOut<pEnd ){
if( *p==q ){
p++;
if( *p!=q ) break;
}
if( pOut<pEnd ) *pOut++ = *p;
p++;
}
}else{
while( *p && *p!=' ' && *p!='(' ){
if( pOut<pEnd ) *pOut++ = *p;
p++;
}
}
*pOut = '\0';
return p;
}
/*
** This function is the implementation of SQL scalar function "module_name":
**
** module_name(SQL)
**
** The only argument should be an SQL statement of the type that may appear
** in the sqlite_master table. If the statement is a "CREATE VIRTUAL TABLE"
** statement, then the value returned is the name of the module that it
** uses. Otherwise, if the statement is not a CVT, NULL is returned.
*/
static void module_name_func(
sqlite3_context *pCtx,
int nVal, sqlite3_value **apVal
){
const char *zSql;
char zToken[32];
assert( nVal==1 );
zSql = (const char*)sqlite3_value_text(apVal[0]);
zSql = gobble_token(zSql, zToken, sizeof(zToken));
if( zSql==0 || sqlite3_stricmp(zToken, "create") ) return;
zSql = gobble_token(zSql, zToken, sizeof(zToken));
if( zSql==0 || sqlite3_stricmp(zToken, "virtual") ) return;
zSql = gobble_token(zSql, zToken, sizeof(zToken));
if( zSql==0 || sqlite3_stricmp(zToken, "table") ) return;
zSql = gobble_token(zSql, zToken, sizeof(zToken));
if( zSql==0 ) return;
zSql = gobble_token(zSql, zToken, sizeof(zToken));
if( zSql==0 || sqlite3_stricmp(zToken, "using") ) return;
zSql = gobble_token(zSql, zToken, sizeof(zToken));
sqlite3_result_text(pCtx, zToken, -1, SQLITE_TRANSIENT);
}
/*
** Return the text of an SQL statement that itself returns the list of
** tables to process within the database.
*/
const char *all_tables_sql(){
if( g.bHandleVtab ){
int rc;
rc = sqlite3_exec(g.db,
"CREATE TEMP TABLE tblmap(module COLLATE nocase, postfix);"
"INSERT INTO temp.tblmap VALUES"
"('fts3', '_content'), ('fts3', '_segments'), ('fts3', '_segdir'),"
"('fts4', '_content'), ('fts4', '_segments'), ('fts4', '_segdir'),"
"('fts4', '_docsize'), ('fts4', '_stat'),"
"('fts5', '_data'), ('fts5', '_idx'), ('fts5', '_content'),"
"('fts5', '_docsize'), ('fts5', '_config'),"
"('rtree', '_node'), ('rtree', '_rowid'), ('rtree', '_parent');"
, 0, 0, 0
);
assert( rc==SQLITE_OK );
rc = sqlite3_create_function(
g.db, "module_name", 1, SQLITE_UTF8, 0, module_name_func, 0, 0
);
assert( rc==SQLITE_OK );
return
"SELECT name FROM main.sqlite_master\n"
" WHERE type='table' AND (\n"
" module_name(sql) IS NULL OR \n"
" module_name(sql) IN (SELECT module FROM temp.tblmap)\n"
" ) AND name NOT IN (\n"
" SELECT a.name || b.postfix \n"
"FROM main.sqlite_master AS a, temp.tblmap AS b \n"
"WHERE module_name(a.sql) = b.module\n"
" )\n"
"UNION \n"
"SELECT name FROM aux.sqlite_master\n"
" WHERE type='table' AND (\n"
" module_name(sql) IS NULL OR \n"
" module_name(sql) IN (SELECT module FROM temp.tblmap)\n"
" ) AND name NOT IN (\n"
" SELECT a.name || b.postfix \n"
"FROM aux.sqlite_master AS a, temp.tblmap AS b \n"
"WHERE module_name(a.sql) = b.module\n"
" )\n"
" ORDER BY name";
}else{
return
"SELECT name FROM main.sqlite_master\n"
" WHERE type='table' AND sql NOT LIKE 'CREATE VIRTUAL%%'\n"
" UNION\n"
"SELECT name FROM aux.sqlite_master\n"
" WHERE type='table' AND sql NOT LIKE 'CREATE VIRTUAL%%'\n"
" ORDER BY name";
}
}
/*
** Print sketchy documentation for this utility program
*/
static void showHelp(void){
printf("Usage: %s [options] DB1 DB2\n", g.zArgv0);
printf(
"Output SQL text that would transform DB1 into DB2.\n"
"Options:\n"
" --changeset FILE Write a CHANGESET into FILE\n"
" -L|--lib LIBRARY Load an SQLite extension library\n"
" --primarykey Use schema-defined PRIMARY KEYs\n"
" --rbu Output SQL to create/populate RBU table(s)\n"
" --schema Show only differences in the schema\n"
" --summary Show only a summary of the differences\n"
" --table TAB Show only differences in table TAB\n"
" --transaction Show SQL output inside a transaction\n"
" --vtab Handle fts3, fts4, fts5 and rtree tables\n"
);
}
int main(int argc, char **argv){
const char *zDb1 = 0;
const char *zDb2 = 0;
int i;
int rc;
char *zErrMsg = 0;
char *zSql;
sqlite3_stmt *pStmt;
char *zTab = 0;
FILE *out = stdout;
void (*xDiff)(const char*,FILE*) = diff_one_table;
#ifndef SQLITE_OMIT_LOAD_EXTENSION
int nExt = 0;
char **azExt = 0;
#endif
int useTransaction = 0;
int neverUseTransaction = 0;
g.zArgv0 = argv[0];
sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
for(i=1; i<argc; i++){
const char *z = argv[i];
if( z[0]=='-' ){
z++;
if( z[0]=='-' ) z++;
if( strcmp(z,"changeset")==0 ){
if( i==argc-1 ) cmdlineError("missing argument to %s", argv[i]);
out = fopen(argv[++i], "wb");
if( out==0 ) cmdlineError("cannot open: %s", argv[i]);
xDiff = changeset_one_table;
neverUseTransaction = 1;
}else
if( strcmp(z,"debug")==0 ){
if( i==argc-1 ) cmdlineError("missing argument to %s", argv[i]);
g.fDebug = strtol(argv[++i], 0, 0);
}else
if( strcmp(z,"help")==0 ){
showHelp();
return 0;
}else
#ifndef SQLITE_OMIT_LOAD_EXTENSION
if( strcmp(z,"lib")==0 || strcmp(z,"L")==0 ){
if( i==argc-1 ) cmdlineError("missing argument to %s", argv[i]);
azExt = realloc(azExt, sizeof(azExt[0])*(nExt+1));
if( azExt==0 ) cmdlineError("out of memory");
azExt[nExt++] = argv[++i];
}else
#endif
if( strcmp(z,"primarykey")==0 ){
g.bSchemaPK = 1;
}else
if( strcmp(z,"rbu")==0 ){
xDiff = rbudiff_one_table;
}else
if( strcmp(z,"schema")==0 ){
g.bSchemaOnly = 1;
}else
if( strcmp(z,"summary")==0 ){
xDiff = summarize_one_table;
}else
if( strcmp(z,"table")==0 ){
if( i==argc-1 ) cmdlineError("missing argument to %s", argv[i]);
zTab = argv[++i];
}else
if( strcmp(z,"transaction")==0 ){
useTransaction = 1;
}else
if( strcmp(z,"vtab")==0 ){
g.bHandleVtab = 1;
}else
{
cmdlineError("unknown option: %s", argv[i]);
}
}else if( zDb1==0 ){
zDb1 = argv[i];
}else if( zDb2==0 ){
zDb2 = argv[i];
}else{
cmdlineError("unknown argument: %s", argv[i]);
}
}
if( zDb2==0 ){
cmdlineError("two database arguments required");
}
rc = sqlite3_open(zDb1, &g.db);
if( rc ){
cmdlineError("cannot open database file \"%s\"", zDb1);
}
rc = sqlite3_exec(g.db, "SELECT * FROM sqlite_master", 0, 0, &zErrMsg);
if( rc || zErrMsg ){
cmdlineError("\"%s\" does not appear to be a valid SQLite database", zDb1);
}
#ifndef SQLITE_OMIT_LOAD_EXTENSION
sqlite3_enable_load_extension(g.db, 1);
for(i=0; i<nExt; i++){
rc = sqlite3_load_extension(g.db, azExt[i], 0, &zErrMsg);
if( rc || zErrMsg ){
cmdlineError("error loading %s: %s", azExt[i], zErrMsg);
}
}
free(azExt);
#endif
zSql = sqlite3_mprintf("ATTACH %Q as aux;", zDb2);
rc = sqlite3_exec(g.db, zSql, 0, 0, &zErrMsg);
if( rc || zErrMsg ){
cmdlineError("cannot attach database \"%s\"", zDb2);
}
rc = sqlite3_exec(g.db, "SELECT * FROM aux.sqlite_master", 0, 0, &zErrMsg);
if( rc || zErrMsg ){
cmdlineError("\"%s\" does not appear to be a valid SQLite database", zDb2);
}
if( neverUseTransaction ) useTransaction = 0;
if( useTransaction ) fprintf(out, "BEGIN TRANSACTION;\n");
if( xDiff==rbudiff_one_table ){
fprintf(out, "CREATE TABLE IF NOT EXISTS rbu_count"
"(tbl TEXT PRIMARY KEY COLLATE NOCASE, cnt INTEGER) "
"WITHOUT ROWID;\n"
);
}
if( zTab ){
xDiff(zTab, out);
}else{
/* Handle tables one by one */
pStmt = db_prepare("%s", all_tables_sql() );
while( SQLITE_ROW==sqlite3_step(pStmt) ){
xDiff((const char*)sqlite3_column_text(pStmt,0), out);
}
sqlite3_finalize(pStmt);
}
if( useTransaction ) printf("COMMIT;\n");
/* TBD: Handle trigger differences */
/* TBD: Handle view differences */
sqlite3_close(g.db);
return 0;
}
|
the_stack_data/1265590.c | int bfunc(int c ,int d)
{
return c + d;
}
int func(int h)
{
return bfunc(h,h);
}
int foo(int a)
{
for (int i = 0 ,e = a; i < e; i++);
return a;
}
|
the_stack_data/57951277.c | /*
Name: Yabets Ebren
Lab#: Lab01
Last Modified Date:1/24/2021
** This program takes an input from a user and
performs divisibility test of the given number
by 9. As an output, the program tells users whether
the number is divisible by 9 or not **
*/
#include <stdio.h>
#include <math.h>
void myFunction(int);
int main(void)
{
int number = -1;// started from -1 to make the program run at first
while(number != 0) // used while loop to continue asking user for input
{
printf("Enter the number to check (0 to end): ");
scanf("%d",&number);
if(number != 0)// to terminate the program when user inputs 0
{
myFunction(number);
}
}
}
void myFunction(int (number))// myFinction calculates whether the number is divided by 9 or not
{
int digit, x, sum = 0;
x = number;// assigned the input number to a variable to use later on print statement
while(number > 0 &&number != 0)
{
digit = number%10;
number = number/10;
sum = sum + digit;
printf("%i + ", digit);
}
printf("\b\b= %i\n", sum);//used double backspace to remove the "+" sign before "=" sign
if((sum%9 == 0)){
printf("Since %i is divisible by 9, %i is divisible by 9\n", sum, x);
}
else{
printf("Since %i is not divisible by 9, %i is not divisible by 9\n", sum,x);
}
}
|
the_stack_data/3358.c |
int main() {
int a = 1 ;
return 0;
} |
the_stack_data/1264618.c | // WARNING in do_dentry_open
// https://syzkaller.appspot.com/bug?id=638315cdb2995506f6c1404695773403d5840628
// status:fixed
// autogenerated by syzkaller (http://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <endian.h>
#include <stdint.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>
#define BITMASK_LEN(type, bf_len) (type)((1ull << (bf_len)) - 1)
#define BITMASK_LEN_OFF(type, bf_off, bf_len) \
(type)(BITMASK_LEN(type, (bf_len)) << (bf_off))
#define STORE_BY_BITMASK(type, addr, val, bf_off, bf_len) \
if ((bf_off) == 0 && (bf_len) == 0) { \
*(type*)(addr) = (type)(val); \
} else { \
type new_val = *(type*)(addr); \
new_val &= ~BITMASK_LEN_OFF(type, (bf_off), (bf_len)); \
new_val |= ((type)(val)&BITMASK_LEN(type, (bf_len))) << (bf_off); \
*(type*)(addr) = new_val; \
}
#ifndef __NR_bpf
#define __NR_bpf 321
#endif
uint64_t r[1] = {0xffffffffffffffff};
void loop()
{
long res = 0;
memcpy((void*)0x200004c0, "./file0", 8);
syscall(__NR_mkdir, 0x200004c0, 0x7c);
*(uint32_t*)0x200ba000 = 6;
*(uint32_t*)0x200ba004 = 3;
*(uint64_t*)0x200ba008 = 0x20346fc8;
*(uint8_t*)0x20346fc8 = 0x18;
STORE_BY_BITMASK(uint8_t, 0x20346fc9, 0, 0, 4);
STORE_BY_BITMASK(uint8_t, 0x20346fc9, 0, 4, 4);
*(uint16_t*)0x20346fca = 0;
*(uint32_t*)0x20346fcc = 0;
*(uint8_t*)0x20346fd0 = 0;
*(uint8_t*)0x20346fd1 = 0;
*(uint16_t*)0x20346fd2 = 0;
*(uint32_t*)0x20346fd4 = 0;
*(uint8_t*)0x20346fd8 = 0x95;
*(uint8_t*)0x20346fd9 = 0;
*(uint16_t*)0x20346fda = 0;
*(uint32_t*)0x20346fdc = 0;
*(uint64_t*)0x200ba010 = 0x20f6bffb;
memcpy((void*)0x20f6bffb, "GPL", 4);
*(uint32_t*)0x200ba018 = 1;
*(uint32_t*)0x200ba01c = 0xfb;
*(uint64_t*)0x200ba020 = 0x201a7f05;
*(uint32_t*)0x200ba028 = 0;
*(uint32_t*)0x200ba02c = 0;
*(uint8_t*)0x200ba030 = 0;
*(uint8_t*)0x200ba031 = 0;
*(uint8_t*)0x200ba032 = 0;
*(uint8_t*)0x200ba033 = 0;
*(uint8_t*)0x200ba034 = 0;
*(uint8_t*)0x200ba035 = 0;
*(uint8_t*)0x200ba036 = 0;
*(uint8_t*)0x200ba037 = 0;
*(uint8_t*)0x200ba038 = 0;
*(uint8_t*)0x200ba039 = 0;
*(uint8_t*)0x200ba03a = 0;
*(uint8_t*)0x200ba03b = 0;
*(uint8_t*)0x200ba03c = 0;
*(uint8_t*)0x200ba03d = 0;
*(uint8_t*)0x200ba03e = 0;
*(uint8_t*)0x200ba03f = 0;
*(uint32_t*)0x200ba040 = 0;
*(uint32_t*)0x200ba044 = 0;
res = syscall(__NR_bpf, 5, 0x200ba000, 0x48);
if (res != -1)
r[0] = res;
memcpy((void*)0x200000c0, "./file0", 8);
memcpy((void*)0x20000000, "./file0", 8);
memcpy((void*)0x200001c0, "bpf", 4);
syscall(__NR_mount, 0x200000c0, 0x20000000, 0x200001c0, 0, 0x20000080);
*(uint64_t*)0x200005c0 = 0x20000600;
memcpy((void*)0x20000600, "./file0/file0", 14);
*(uint32_t*)0x200005c8 = r[0];
syscall(__NR_bpf, 6, 0x200005c0, 0x10);
memcpy((void*)0x20000100, "./file0/file0", 14);
syscall(__NR_openat, 0xffffffffffffff9c, 0x20000100, 0x40, 4);
}
int main()
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
loop();
return 0;
}
|
the_stack_data/193893453.c | #include<stdio.h>
#include<stdint.h>
#include<stdlib.h>
void parse_swid();
void parse_mri();
void parse_ipv4();
void parse_ipv4_option();
void accept();
void ipv4_lpm_141857();
void tbl_add_mri_option_150190();
void swid_1_141825();
void tbl_act_150375();
void reject();
int action_run;
int added_switch_id = 0;
int extract_id[9] = {0};
int push_fronts = 0;
typedef struct {
uint32_t ingress_port : 9;
uint32_t egress_spec : 9;
uint32_t egress_port : 9;
uint32_t clone_spec : 32;
uint32_t instance_type : 32;
uint8_t drop : 1;
uint32_t recirculate_port : 16;
uint32_t packet_length : 32;
uint32_t enq_timestamp : 32;
uint32_t enq_qdepth : 19;
uint32_t deq_timedelta : 32;
uint32_t deq_qdepth : 19;
uint64_t ingress_global_timestamp : 48;
uint32_t lf_field_list : 32;
uint32_t mcast_grp : 16;
uint8_t resubmit_flag : 1;
uint32_t egress_rid : 16;
} standard_metadata_t;
void mark_to_drop() {
exit(0);
}
typedef uint32_t egressSpec_t;
typedef uint64_t macAddr_t;
typedef uint32_t ip4Addr_t;
typedef uint32_t switchID_t;
switchID_t id_const;
typedef struct {
uint8_t isValid : 1;
macAddr_t dstAddr: 48;
macAddr_t srcAddr: 48;
uint32_t etherType : 16;
} ethernet_t;
typedef struct {
uint8_t isValid : 1;
uint8_t version : 4;
uint8_t ihl : 4;
uint8_t diffserv : 8;
uint32_t totalLen : 16;
uint32_t identification : 16;
uint8_t flags : 3;
uint32_t fragOffset : 13;
uint8_t ttl : 8;
uint8_t protocol : 8;
uint32_t hdrChecksum : 16;
ip4Addr_t srcAddr: 32;
ip4Addr_t dstAddr: 32;
} ipv4_t;
typedef struct {
uint8_t isValid : 1;
uint8_t copyFlag : 1;
uint8_t optClass : 2;
uint8_t option : 5;
uint8_t optionLength : 8;
} ipv4_option_t;
typedef struct {
uint8_t isValid : 1;
uint32_t count : 16;
} mri_t;
typedef struct {
uint8_t isValid : 1;
switchID_t swid: 32;
} switch_t;
typedef struct {
uint32_t count : 16;
} ingress_metadata_t;
typedef struct {
uint32_t remaining : 16;
} parser_metadata_t;
typedef struct {
ingress_metadata_t ingress_metadata;
parser_metadata_t parser_metadata;
} metadata;
typedef struct {
ethernet_t ethernet;
ipv4_t ipv4;
ipv4_option_t ipv4_option;
mri_t mri;
int swids_index;
switch_t swids[9];
} headers;
headers hdr;
metadata meta;
standard_metadata_t standard_metadata;
uint8_t tmp_7;
uint32_t tmp_8;
void start() {
hdr.ethernet.isValid = 1;
klee_assume(hdr.ethernet.etherType == 2048);
parse_ipv4();
}
void parse_ipv4() {
tmp_7 = hdr.ipv4.ihl >= 5;
klee_assume(tmp_7 == 1);
klee_assume(hdr.ipv4.ihl != 5);
parse_ipv4_option();
}
void parse_ipv4_option() {
hdr.ipv4_option.isValid = 1;
klee_assume(hdr.ipv4_option.option == 31);
parse_mri();
}
void parse_mri() {
hdr.mri.isValid = 1;
meta.parser_metadata.remaining = hdr.mri.count;
switch(meta.parser_metadata.remaining){
case 0: accept(); break;
default: parse_swid(); break;
}
}
void reject() {
exit(0);
}
void parse_swid() {
if (hdr.swids_index >= 9){
reject();
}
hdr.swids[hdr.swids_index].isValid = 1;
extract_id[hdr.swids_index] = 1;
hdr.swids_index++;
tmp_8 = meta.parser_metadata.remaining + 65535;
meta.parser_metadata.remaining = tmp_8;
switch(meta.parser_metadata.remaining){
case 0: accept(); break;
default: parse_swid(); break;
}
}
void accept() {
}
void ParserImpl() {
klee_make_symbolic(&hdr, sizeof(hdr), "hdr");
klee_make_symbolic(&meta, sizeof(meta), "meta");
klee_make_symbolic(&standard_metadata, sizeof(standard_metadata), "standard_metadata");
hdr.swids_index = 0;
start();
}
//Control
void verifyChecksum() {
}
//Control
uint8_t tmp_9;
uint32_t tmp_10;
uint8_t tmp_11;
uint8_t tmp_12;
uint8_t tmp_13;
void ingress() {
if(hdr.ipv4.isValid) {
ipv4_lpm_141857();
if(!hdr.mri.isValid) {
tbl_add_mri_option_150190();
}
swid_1_141825();
}
}
// Action
void NoAction_0_141591() {
action_run = 141591;
}
// Action
void NoAction_3_141601() {
action_run = 141601;
}
// Action
void drop_0_141602() {
action_run = 141602;
mark_to_drop();
}
// Action
void add_mri_option_0_143531() {
action_run = 143531;
hdr.ipv4_option.isValid = 1;
hdr.ipv4_option.copyFlag = 1;
hdr.ipv4_option.optClass = 2;
hdr.ipv4_option.option = 31;
hdr.ipv4_option.optionLength = 4;
hdr.mri.isValid = 1;
hdr.mri.count = 0;
tmp_9 = hdr.ipv4.ihl + 1;
hdr.ipv4.ihl = hdr.ipv4.ihl + 1;
}
void push_front(int count) {
int i;
for (i = 8; i >= 0; i -= 1) {
if (i >= count) {
hdr.swids[i] = hdr.swids[i-count];
} else {
hdr.swids[i].isValid = 0;
}
}
hdr.swids_index = hdr.swids_index + count;
push_fronts += count;
if (hdr.swids_index > 8) hdr.swids_index = 8;
// Note: this.last, this.next, and this.lastIndex adjust with this.nextIndex
}
// Action
void add_swid_0_143681() {
action_run = 143681;
switchID_t id;
klee_make_symbolic(&id, sizeof(id), "id");
tmp_10 = hdr.mri.count + 1;
hdr.mri.count = hdr.mri.count + 1;
push_front(1);
hdr.swids[0].swid = id;
id_const = id;
added_switch_id = 1;
tmp_11 = hdr.ipv4.ihl + 1;
hdr.ipv4.ihl = hdr.ipv4.ihl + 1;
tmp_12 = hdr.ipv4_option.optionLength + 4;
hdr.ipv4_option.optionLength = hdr.ipv4_option.optionLength + 4;
}
// Action
void ipv4_forward_0_143838() {
action_run = 143838;
macAddr_t dstAddr;
klee_make_symbolic(&dstAddr, sizeof(dstAddr), "dstAddr");
egressSpec_t port;
klee_make_symbolic(&port, sizeof(port), "port");
standard_metadata.egress_spec = port;
hdr.ethernet.srcAddr = hdr.ethernet.dstAddr;
hdr.ethernet.dstAddr = dstAddr;
tmp_13 = hdr.ipv4.ttl + 255;
hdr.ipv4.ttl = hdr.ipv4.ttl + 255;
}
//Table
void swid_1_141825() {
add_swid_0_143681();
// default: NoAction_0_141591(); break;
}
//Table
void ipv4_lpm_141857() {
NoAction_3_141601();
}
//Table
void tbl_add_mri_option_150190() {
int symbol;
klee_make_symbolic(&symbol, sizeof(symbol), "symbol");
switch(symbol) {
default: add_mri_option_0_143531(); break;
}
// default_action add_mri_option_0();
}
//Control
void egress() {
}
typedef struct {
uint8_t field : 4;
uint8_t field_0 : 4;
uint8_t field_1 : 8;
uint32_t field_2 : 16;
uint32_t field_3 : 16;
uint8_t field_4 : 3;
uint32_t field_5 : 13;
uint8_t field_6 : 8;
uint8_t field_7 : 8;
uint32_t field_8 : 32;
uint32_t field_9 : 32;
} tuple_0;
//Control
uint32_t tmp_14;
void computeChecksum() {
if(hdr.ipv4.isValid) {
klee_make_symbolic(&tmp_14, sizeof(tmp_14), "tmp_14");
tbl_act_150375();
}
}
// Action
void act_148943() {
action_run = 148943;
hdr.ipv4.hdrChecksum = tmp_14;
}
//Table
void tbl_act_150375() {
int symbol;
klee_make_symbolic(&symbol, sizeof(symbol), "symbol");
switch(symbol) {
default: act_148943(); break;
}
// default_action act();
}
//Control
void DeparserImpl() {
//Emit hdr.ethernet
//Emit hdr.ipv4
//Emit hdr.ipv4_option
//Emit hdr.mri
//Emit hdr.swids
if(added_switch_id && id_const != hdr.swids[0].swid){
klee_print_once(0, "Assert error: const(switchid)");
}
int i;
for(i = 0; i < 9; i++){
if(extract_id[i] == 1 && !(hdr.swids[i+push_fronts].isValid == 1)){
klee_print_once(1, "switch id removed");
}
}
}
int main() {
ParserImpl();
ingress();
egress();
DeparserImpl();
return 0;
}
|
the_stack_data/54824707.c | /* Check the behavior of the bitwsie xor on int */
typedef enum { false, true } bool;
int main(void)
{
int b, n, m;
if(n==m)
b = n ^ m;
return 0;
}
|
the_stack_data/29825585.c | #include <stdio.h>
main() {
int i,a=0;
a=3;
for(i=0;i<10;i++)
a+=i;
printf("%d\n",a);
}
|
the_stack_data/988547.c | #include <stdio.h>
#include <stdlib.h>
void vassume(int b){}
void vtrace1(int i, int M){}
void vtrace2(int i, int M){}
void mainQ(int M) {
vassume (0 <= M);
int i = 0;
while(1){
vtrace1(i, M);
if (!(i < M))break;
i++;
}
vtrace2(i, M);
}
void main(int argc, char *argv[]) {
mainQ(atoi(argv[1]));
}
|
the_stack_data/152466.c | /*
* exercise_5.c
*
* 编写 itob 函数
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void itob(int n, char s[], int b);
void reverse(char s[]);
int main(void)
{
char s[100]= {};
itob(256, s, 8);
printf("%s\n", s);
return EXIT_SUCCESS;
}
void itob(int n, char s[], int b)
{
int i;
i = 0;
/*
do {
s[i++] = n % b + '0';
} while ((n /= b) > 0);
*/
while (n > 0) {
s[i++] = n % b + '0';
n /= b;
}
s[i] = '\0';
reverse(s);
}
void reverse(char s[])
{
int i, j, temp;
for (i = 0, j = strlen(s) - 1; i < j; i++, j--) {
temp = s[i];
s[i] = s[j];
s[j] = temp;
}
}
|
the_stack_data/122016299.c | /*
** This implementation of SHA1.
*/
#include <sys/types.h>
#include <stdio.h>
#include <memory.h>
/*
** The SHA1 implementation below is adapted from:
**
** $NetBSD: sha1.c,v 1.6 2009/11/06 20:31:18 joerg Exp $
** $OpenBSD: sha1.c,v 1.9 1997/07/23 21:12:32 kstailey Exp $
**
** SHA-1 in C
** By Steve Reid <[email protected]>
** 100% Public Domain
*/
typedef struct SHA1Context SHA1Context;
struct SHA1Context {
unsigned char buffer[64];
unsigned int state[5];
unsigned int count[2];
};
/*
* blk0() and blk() perform the initial expand.
* I got the idea of expanding during the round function from SSLeay
*/
//#define rolme(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
#if 1
__attribute__((fastcall,noinline))
unsigned int rolme(unsigned int value, unsigned int bits)
{
asm("rol eax, cl" : :"a"(value),"c"(bits));
// return value << bits
// | value >> (32-bits);
}
#else
#define rolme(value,bits) \
(value << bits | value >> (32-bits))
#endif
#define blk0 (block[offset] = (rolme(block[offset],24)&0xFF00FF00) \
|(rolme(block[offset],8)&0x00FF00FF))
#define blk (block[offset&15] = rolme(block[(offset+13)&15]^block[(offset+8)&15] \
^block[(offset+2)&15]^block[offset&15],1))
/*
* (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
*
* R0() for little-endian and Rb0() for big-endian. Endianness is
* determined at run-time.
*/
// a b c d e -> e a b c d
#define SHIFT\
q[1]=rolme(q[1],30);\
qq=q[4];\
q[4]=q[3];\
q[3]=q[2];\
q[2]=q[1];\
q[1]=q[0];\
q[0]=qq;\
++offset;
// v=q[0], w=q[1], x=q[2], y=q[3], z=q[4]
#define R0 \
q[4]+=((q[1]&(q[2]^q[3]))^q[3])+ \
blk0+\
0x5A827999+\
rolme(q[0],5);\
SHIFT;
#define R1 \
q[4]+=((q[1]&(q[2]^q[3]))^q[3])+\
blk+\
0x5A827999+\
rolme(q[0],5);\
SHIFT;
#define R2 \
q[4]+=(q[1]^q[2]^q[3])+\
blk+\
0x6ED9EBA1+\
rolme(q[0],5);\
SHIFT;
#define R3 \
q[4]+=(((q[1]|q[2])&q[3])|(q[1]&q[2]))+\
blk+\
0x8F1BBCDC+\
rolme(q[0],5);\
SHIFT;
#define R4 \
q[4]+=(q[1]^q[2]^q[3])+\
blk+\
0xCA62C1D6+\
rolme(q[0],5);\
SHIFT;
/*
* Hash a single 512-bit block. This is the core of the algorithm.
*/
void SHA1Transform(unsigned int state[5], const unsigned char buffer[64])
{
unsigned int q[5], qq; //a, b, c, d, e;
unsigned int *block =(unsigned int *)buffer;
/* Copy context->state[] to working vars */
/*
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
*/
int ix;
int offset=0;
memcpy(q, state, 5 * sizeof(unsigned int));
/* 4 rounds of 20 operations each. Loop unrolled. */
R0; R0; R0; R0;
R0; R0; R0; R0;
R0; R0; R0; R0;
R0; R0; R0; R0;
R1; R1; R1; R1;
R2; R2; R2; R2;
R2; R2; R2; R2;
R2; R2; R2; R2;
R2; R2; R2; R2;
R2; R2; R2; R2;
R3; R3; R3; R3;
R3; R3; R3; R3;
R3; R3; R3; R3;
R3; R3; R3; R3;
R3; R3; R3; R3;
R4; R4; R4; R4;
R4; R4; R4; R4;
R4; R4; R4; R4;
R4; R4; R4; R4;
R4; R4; R4; R4;
/* Add the working vars back into context.state[] */
/*
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
state[4] += e;
*/
for (ix=0; ix<5; ix++)
state[ix] += q[ix];
}
/*
* SHA1Init - Initialize new context
*/
static void SHA1Init(SHA1Context *context){
/* SHA1 initialization constants */
context->state[0] = 0x67452301;
context->state[1] = 0xEFCDAB89;
context->state[2] = 0x98BADCFE;
context->state[3] = 0x10325476;
context->state[4] = 0xC3D2E1F0;
context->count[0] = context->count[1] = 0;
}
/*
* Run your data through this.
*/
static void SHA1Update(
SHA1Context *context,
const unsigned char *data,
unsigned int len
){
unsigned int i, j;
j = context->count[0];
if ((context->count[0] += len << 3) < j)
context->count[1] += (len>>29)+1;
j = (j >> 3) & 63;
if ((j + len) > 63) {
(void)memcpy(&context->buffer[j], data, (i = 64-j));
SHA1Transform(context->state, context->buffer);
for ( ; i + 63 < len; i += 64)
SHA1Transform(context->state, &data[i]);
j = 0;
} else {
i = 0;
}
(void)memcpy(&context->buffer[j], &data[i], len - i);
}
/*
* Add padding and return the message digest.
*/
static void SHA1Final(SHA1Context *context, unsigned char digest[20]){
unsigned int i;
unsigned char finalcount[8];
for (i = 0; i < 8; i++) {
finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]
>> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */
}
SHA1Update(context, (const unsigned char *)"\200", 1);
while ((context->count[0] & 504) != 448)
SHA1Update(context, (const unsigned char *)"\0", 1);
SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
if (digest) {
for (i = 0; i < 20; i++)
digest[i] = (unsigned char)
((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
}
}
/*
** Convert a digest into base-16. digest should be declared as
** "unsigned char digest[20]" in the calling function. The SHA1
** digest is stored in the first 20 bytes. zBuf should
** be "char zBuf[41]".
*/
static void DigestToBase16(unsigned char *digest, char *zBuf){
static char const zEncode[] = "0123456789abcdef";
int i, j;
for(j=i=0; i<20; i++){
int a = digest[i];
zBuf[j++] = zEncode[(a>>4)&0xf];
zBuf[j++] = zEncode[a & 0xf];
}
zBuf[j] = 0;
}
/*
** The state of a incremental SHA1 checksum computation. Only one
** such computation can be underway at a time, of course.
*/
static SHA1Context incrCtx;
static int incrInit = 0;
/*
** Compute the SHA1 checksum of a file on disk. Store the resulting
** checksum in the blob pCksum. pCksum is assumed to be ininitialized.
*/
char thesum [64];
char * sha1sum_file(const char *zFilename){
FILE *in;
SHA1Context ctx;
unsigned char zResult[20];
char zBuf[10240];
in = fopen(zFilename,"rb");
if( in==0 ){
return NULL;
}
SHA1Init(&ctx);
for(;;){
int n;
n = fread(zBuf, 1, sizeof(zBuf), in);
if( n<=0 ) break;
SHA1Update(&ctx, (unsigned char*)zBuf, (unsigned)n);
}
fclose(in);
SHA1Final(&ctx, zResult);
DigestToBase16(zResult, thesum);
return thesum;
}
/*
** Compute the SHA1 checksum of a zero-terminated string. The
** result is held in memory obtained from mprintf().
*/
char *sha1sum(const char *zIn){
SHA1Context ctx;
unsigned char zResult[20];
char zDigest[41];
SHA1Init(&ctx);
SHA1Update(&ctx, (unsigned const char*)zIn, strlen(zIn));
SHA1Final(&ctx, zResult);
DigestToBase16(zResult, thesum);
return thesum;
}
int main ( int argc, char ** argv)
{
int ix;
for (ix=1; ix<argc; ix++)
{
char *sum = sha1sum_file(argv[ix]);
printf("%s %s\n", sum, argv[ix]);
}
return 0;
}
|
the_stack_data/63455.c | #include <stdio.h>
#include <stdlib.h>
long int func(long n,long * arr){
//printf("x=%d s=%d\n",x,s);
if(arr[n]){
}
else if(n<12){
arr[n]=n;
}
else{
arr[n]=func(n/2,arr)+func(n/3,arr)+func(n/4,arr);
}
return arr[n];
}
int main()
{
long n,m=0;
long x[10];
int c=0;
while(scanf("%ld",&n)>0)
{
x[c]=n;
c++;
if(m<n)
m=n;
}
long arr[m];
for(long i=0;i<m;i++)
arr[i]=-1;
arr[0]=0;
for(int i=0;i<c;i++)
{
long int ans=func(x[i],arr);
printf("%ld\n",arr[x[i]]);
}
return 0;
} |
the_stack_data/104826792.c | #include <stdio.h>
#include <string.h>
char *ft_strstr(char *str, char *to_find);
void test(char *haystack, char *needle, int t, char *r1)
{
char *r2;
printf("Test %d\n", t);
r2 = ft_strstr(haystack, needle);
printf("Expected: %s\n", r1);
printf("Result: %s\n", r2);
if (r1 == 0 && r2 == 0)
printf("SUCCESS\n");
else
{
if (strcmp(r2, r1) == 0)
printf("SUCCESS\n");
else
printf("INVALID RESULT\n");
}
printf("---------------------\n");
}
int main(void)
{
char haystack[100];
strcpy(haystack, "AAAATESTEAAA");
test(haystack, "TESTE", 0, "TESTEAAA");
test(haystack, "", 1, "AAAATESTEAAA");
test(haystack, "BBB", 2, 0);
test(haystack, "BTESTEB", 3, 0);
test(haystack, "TESTEB", 4, 0);
test(haystack, "EST", 5, "ESTEAAA");
strcpy(haystack, "AAAAA B TESTE B OUTRO");
test(haystack, "B", 6, "B TESTE B OUTRO");
test(haystack, "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", 7, 0);
return (0);
}
|
the_stack_data/44313.c | #include <stdio.h>
#include <ctype.h>
#define MAX 200
int main() {
char text[MAX];
for (char *c = fgets(text, MAX, stdin); *c; ++c)
if (isalnum(*c) || isspace(*c)) putchar(*c);
return 0;
}
|
the_stack_data/232955886.c | /* This file is gopl.io/ch13/bzip/bzip2.c, */
/* a simple wrapper for libbzip2 suitable for cgo. */
#include <bzlib.h>
int bz2compress(bz_stream *s, int action,
char *in, unsigned *inlen, char *out, unsigned *outlen) {
s->next_in = in;
s->avail_in = *inlen;
s->next_out = out;
s->avail_out = *outlen;
int r = BZ2_bzCompress(s, action);
*inlen -= s->avail_in;
*outlen -= s->avail_out;
s->next_in = s->next_out = NULL;
return r;
}
|
the_stack_data/115764533.c | #include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <string.h>
int contarvogais(char frase[]){
int letras, i, cont=0;
letras = strlen(frase);
for(i=0; i<=letras; i++){
if(frase[i] == 'a'||frase[i] == 'e'||frase[i] == 'i'||frase[i] == 'o'||frase[i] == 'u'){
cont++;
}
}
for(i=0; i<=letras; i++){
if(frase[i] == 'A'||frase[i] == 'E'||frase[i] == 'I'||frase[i] == 'O'||frase[i] == 'U'){
cont++;
}
}
return cont;
}
int main(
)
{
setlocale(LC_ALL,"portuguese");
char frase[100];
int cont;
printf("Digite uma frase: ");
gets(frase);
printf("Número de vogais da frase: %d", contarvogais(frase)
);
return 0;
} |
the_stack_data/83113.c | /* Escreva um programa que armazene 10 números inteiros em um vetor. Em seguida, troque o 1° elemento
com o último, o 2° elemento com o penúltimo, e assim por diante. Mostre na tela o vetor modificado. */
int main()
{
int x[10], y[10], c;
for (c = 0; c < 10; c++)
{
printf("digite um numero: ");
scanf("%d", &x[c]);
y [c] = x [c];
}
int d = 9;
for (c = 0; c < 10; c++)
{
x [c]= y [d];
d--;
printf("%d\n", x[c]);
}
return 0;
} |
the_stack_data/665567.c | /* $NetBSD: pure_calc.tab.c,v 1.5 2021/02/20 22:57:57 christos Exp $ */
/* original parser id follows */
/* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */
/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
#define YYBYACC 1
#define YYMAJOR 2
#define YYMINOR 0
#define YYCHECK "yyyymmdd"
#define YYEMPTY (-1)
#define yyclearin (yychar = YYEMPTY)
#define yyerrok (yyerrflag = 0)
#define YYRECOVERING() (yyerrflag != 0)
#define YYENOMEM (-2)
#define YYEOF 0
#ifndef yyparse
#define yyparse calc_parse
#endif /* yyparse */
#ifndef yylex
#define yylex calc_lex
#endif /* yylex */
#ifndef yyerror
#define yyerror calc_error
#endif /* yyerror */
#ifndef yychar
#define yychar calc_char
#endif /* yychar */
#ifndef yyval
#define yyval calc_val
#endif /* yyval */
#ifndef yylval
#define yylval calc_lval
#endif /* yylval */
#ifndef yydebug
#define yydebug calc_debug
#endif /* yydebug */
#ifndef yynerrs
#define yynerrs calc_nerrs
#endif /* yynerrs */
#ifndef yyerrflag
#define yyerrflag calc_errflag
#endif /* yyerrflag */
#ifndef yylhs
#define yylhs calc_lhs
#endif /* yylhs */
#ifndef yylen
#define yylen calc_len
#endif /* yylen */
#ifndef yydefred
#define yydefred calc_defred
#endif /* yydefred */
#ifndef yydgoto
#define yydgoto calc_dgoto
#endif /* yydgoto */
#ifndef yysindex
#define yysindex calc_sindex
#endif /* yysindex */
#ifndef yyrindex
#define yyrindex calc_rindex
#endif /* yyrindex */
#ifndef yygindex
#define yygindex calc_gindex
#endif /* yygindex */
#ifndef yytable
#define yytable calc_table
#endif /* yytable */
#ifndef yycheck
#define yycheck calc_check
#endif /* yycheck */
#ifndef yyname
#define yyname calc_name
#endif /* yyname */
#ifndef yyrule
#define yyrule calc_rule
#endif /* yyrule */
#define YYPREFIX "calc_"
#define YYPURE 1
#line 2 "pure_calc.y"
# include <stdio.h>
# include <ctype.h>
int regs[26];
int base;
#ifdef YYBISON
#define YYSTYPE int
#define YYLEX_PARAM &yylval
#define YYLEX_DECL() yylex(YYSTYPE *yylval)
#define YYERROR_DECL() yyerror(const char *s)
int YYLEX_DECL();
static void YYERROR_DECL();
#endif
#line 117 "pure_calc.tab.c"
#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
/* Default: YYSTYPE is the semantic value type. */
typedef int YYSTYPE;
# define YYSTYPE_IS_DECLARED 1
#endif
/* compatibility with bison */
#ifdef YYPARSE_PARAM
/* compatibility with FreeBSD */
# ifdef YYPARSE_PARAM_TYPE
# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
# else
# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
# endif
#else
# define YYPARSE_DECL() yyparse(void)
#endif
/* Parameters sent to lex. */
#ifdef YYLEX_PARAM
# ifdef YYLEX_PARAM_TYPE
# define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLEX_PARAM_TYPE YYLEX_PARAM)
# else
# define YYLEX_DECL() yylex(YYSTYPE *yylval, void * YYLEX_PARAM)
# endif
# define YYLEX yylex(&yylval, YYLEX_PARAM)
#else
# define YYLEX_DECL() yylex(YYSTYPE *yylval)
# define YYLEX yylex(&yylval)
#endif
/* Parameters sent to yyerror. */
#ifndef YYERROR_DECL
#define YYERROR_DECL() yyerror(const char *s)
#endif
#ifndef YYERROR_CALL
#define YYERROR_CALL(msg) yyerror(msg)
#endif
extern int YYPARSE_DECL();
#define DIGIT 257
#define LETTER 258
#define UMINUS 259
#define YYERRCODE 256
typedef short YYINT;
static const YYINT calc_lhs[] = { -1,
0, 0, 0, 1, 1, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 3, 3,
};
static const YYINT calc_len[] = { 2,
0, 3, 3, 1, 3, 3, 3, 3, 3, 3,
3, 3, 3, 2, 1, 1, 1, 2,
};
static const YYINT calc_defred[] = { 1,
0, 0, 17, 0, 0, 0, 0, 0, 0, 3,
0, 15, 14, 0, 2, 0, 0, 0, 0, 0,
0, 0, 18, 0, 6, 0, 0, 0, 0, 9,
10, 11,
};
static const YYINT calc_dgoto[] = { 1,
7, 8, 9,
};
static const YYINT calc_sindex[] = { 0,
-40, -7, 0, -55, -38, -38, 1, -29, -247, 0,
-38, 0, 0, 22, 0, -38, -38, -38, -38, -38,
-38, -38, 0, -29, 0, 51, 60, -20, -20, 0,
0, 0,
};
static const YYINT calc_rindex[] = { 0,
0, 0, 0, 2, 0, 0, 0, 9, -9, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 10, 0, -6, 14, 5, 13, 0,
0, 0,
};
static const YYINT calc_gindex[] = { 0,
0, 65, 0,
};
#define YYTABLESIZE 220
static const YYINT calc_table[] = { 6,
16, 6, 10, 13, 5, 11, 5, 22, 17, 23,
15, 15, 20, 18, 7, 19, 22, 21, 4, 5,
0, 20, 8, 12, 0, 0, 21, 16, 16, 0,
0, 16, 16, 16, 13, 16, 0, 16, 15, 15,
0, 0, 7, 15, 15, 7, 15, 7, 15, 7,
8, 12, 0, 8, 12, 8, 0, 8, 22, 17,
0, 0, 25, 20, 18, 0, 19, 0, 21, 13,
14, 0, 0, 0, 0, 24, 0, 0, 0, 0,
26, 27, 28, 29, 30, 31, 32, 22, 17, 0,
0, 0, 20, 18, 16, 19, 22, 21, 0, 0,
0, 20, 18, 0, 19, 0, 21, 0, 0, 0,
0, 0, 0, 0, 16, 0, 0, 13, 0, 0,
0, 0, 0, 0, 0, 15, 0, 0, 7, 0,
0, 0, 0, 0, 0, 0, 8, 12, 0, 0,
0, 0, 0, 0, 0, 16, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 2, 3, 4, 3, 12,
};
static const YYINT calc_check[] = { 40,
10, 40, 10, 10, 45, 61, 45, 37, 38, 257,
10, 10, 42, 43, 10, 45, 37, 47, 10, 10,
-1, 42, 10, 10, -1, -1, 47, 37, 38, -1,
-1, 41, 42, 43, 41, 45, -1, 47, 37, 38,
-1, -1, 38, 42, 43, 41, 45, 43, 47, 45,
38, 38, -1, 41, 41, 43, -1, 45, 37, 38,
-1, -1, 41, 42, 43, -1, 45, -1, 47, 5,
6, -1, -1, -1, -1, 11, -1, -1, -1, -1,
16, 17, 18, 19, 20, 21, 22, 37, 38, -1,
-1, -1, 42, 43, 124, 45, 37, 47, -1, -1,
-1, 42, 43, -1, 45, -1, 47, -1, -1, -1,
-1, -1, -1, -1, 124, -1, -1, 124, -1, -1,
-1, -1, -1, -1, -1, 124, -1, -1, 124, -1,
-1, -1, -1, -1, -1, -1, 124, 124, -1, -1,
-1, -1, -1, -1, -1, 124, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 256, 257, 258, 257, 258,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 259
#define YYUNDFTOKEN 265
#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
#if YYDEBUG
static const char *const calc_name[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,
0,0,0,0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,"DIGIT","LETTER","UMINUS",0,0,0,0,0,"illegal-symbol",
};
static const char *const calc_rule[] = {
"$accept : list",
"list :",
"list : list stat '\\n'",
"list : list error '\\n'",
"stat : expr",
"stat : LETTER '=' expr",
"expr : '(' expr ')'",
"expr : expr '+' expr",
"expr : expr '-' expr",
"expr : expr '*' expr",
"expr : expr '/' expr",
"expr : expr '%' expr",
"expr : expr '&' expr",
"expr : expr '|' expr",
"expr : '-' expr",
"expr : LETTER",
"expr : number",
"number : DIGIT",
"number : number DIGIT",
};
#endif
#if YYDEBUG
int yydebug;
#endif
/* define the initial stack-sizes */
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 10000
#define YYMAXDEPTH 10000
#endif
#endif
#define YYINITSTACKSIZE 200
typedef struct {
unsigned stacksize;
YYINT *s_base;
YYINT *s_mark;
YYINT *s_last;
YYSTYPE *l_base;
YYSTYPE *l_mark;
} YYSTACKDATA;
#line 72 "pure_calc.y"
/* start of programs */
#ifdef YYBYACC
static int YYLEX_DECL();
#endif
int
main (void)
{
while(!feof(stdin)) {
yyparse();
}
return 0;
}
static void
YYERROR_DECL()
{
fprintf(stderr, "%s\n", s);
}
int
YYLEX_DECL()
{
/* lexical analysis routine */
/* returns LETTER for a lower case letter, yylval = 0 through 25 */
/* return DIGIT for a digit, yylval = 0 through 9 */
/* all other characters are returned immediately */
int c;
while( (c=getchar()) == ' ' ) { /* skip blanks */ }
/* c is now nonblank */
if( islower( c )) {
*yylval = c - 'a';
return ( LETTER );
}
if( isdigit( c )) {
*yylval = c - '0';
return ( DIGIT );
}
return( c );
}
#line 362 "pure_calc.tab.c"
#if YYDEBUG
#include <stdio.h> /* needed for printf */
#endif
#include <stdlib.h> /* needed for malloc, etc */
#include <string.h> /* needed for memset */
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
static int yygrowstack(YYSTACKDATA *data)
{
int i;
unsigned newsize;
YYINT *newss;
YYSTYPE *newvs;
if ((newsize = data->stacksize) == 0)
newsize = YYINITSTACKSIZE;
else if (newsize >= YYMAXDEPTH)
return YYENOMEM;
else if ((newsize *= 2) > YYMAXDEPTH)
newsize = YYMAXDEPTH;
i = (int) (data->s_mark - data->s_base);
newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
if (newss == 0)
return YYENOMEM;
data->s_base = newss;
data->s_mark = newss + i;
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
if (newvs == 0)
return YYENOMEM;
data->l_base = newvs;
data->l_mark = newvs + i;
data->stacksize = newsize;
data->s_last = data->s_base + newsize - 1;
return 0;
}
#if YYPURE || defined(YY_NO_LEAKS)
static void yyfreestack(YYSTACKDATA *data)
{
free(data->s_base);
free(data->l_base);
memset(data, 0, sizeof(*data));
}
#else
#define yyfreestack(data) /* nothing */
#endif
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
YYPARSE_DECL()
{
int yyerrflag;
int yychar;
YYSTYPE yyval;
YYSTYPE yylval;
int yynerrs;
/* variables for the parser stack */
YYSTACKDATA yystack;
int yym, yyn, yystate;
#if YYDEBUG
const char *yys;
if ((yys = getenv("YYDEBUG")) != 0)
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
memset(&yyval, 0, sizeof(yyval));
memset(&yylval, 0, sizeof(yylval));
yym = 0;
yyn = 0;
yynerrs = 0;
yyerrflag = 0;
yychar = YYEMPTY;
yystate = 0;
#if YYPURE
memset(&yystack, 0, sizeof(yystack));
#endif
if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
yystack.s_mark = yystack.s_base;
yystack.l_mark = yystack.l_base;
yystate = 0;
*yystack.s_mark = 0;
yyloop:
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
if (yychar < 0)
{
yychar = YYLEX;
if (yychar < 0) yychar = YYEOF;
#if YYDEBUG
if (yydebug)
{
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
}
if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, shifting to state %d\n",
YYPREFIX, yystate, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
yychar = YYEMPTY;
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag != 0) goto yyinrecovery;
YYERROR_CALL("syntax error");
goto yyerrlab; /* redundant goto avoids 'unused label' warning */
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yystack.s_mark);
#endif
if (yystack.s_mark <= yystack.s_base) goto yyabort;
--yystack.s_mark;
--yystack.l_mark;
}
}
}
else
{
if (yychar == YYEOF) goto yyabort;
#if YYDEBUG
if (yydebug)
{
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
yychar = YYEMPTY;
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
if (yym > 0)
yyval = yystack.l_mark[1-yym];
else
memset(&yyval, 0, sizeof yyval);
switch (yyn)
{
case 3:
#line 34 "pure_calc.y"
{ yyerrok ; }
break;
case 4:
#line 38 "pure_calc.y"
{ printf("%d\n",yystack.l_mark[0]);}
break;
case 5:
#line 40 "pure_calc.y"
{ regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
break;
case 6:
#line 44 "pure_calc.y"
{ yyval = yystack.l_mark[-1]; }
break;
case 7:
#line 46 "pure_calc.y"
{ yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
break;
case 8:
#line 48 "pure_calc.y"
{ yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
break;
case 9:
#line 50 "pure_calc.y"
{ yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
break;
case 10:
#line 52 "pure_calc.y"
{ yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
break;
case 11:
#line 54 "pure_calc.y"
{ yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
break;
case 12:
#line 56 "pure_calc.y"
{ yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
break;
case 13:
#line 58 "pure_calc.y"
{ yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
break;
case 14:
#line 60 "pure_calc.y"
{ yyval = - yystack.l_mark[0]; }
break;
case 15:
#line 62 "pure_calc.y"
{ yyval = regs[yystack.l_mark[0]]; }
break;
case 17:
#line 67 "pure_calc.y"
{ yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; }
break;
case 18:
#line 69 "pure_calc.y"
{ yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; }
break;
#line 632 "pure_calc.tab.c"
}
yystack.s_mark -= yym;
yystate = *yystack.s_mark;
yystack.l_mark -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yystack.s_mark = YYFINAL;
*++yystack.l_mark = yyval;
if (yychar < 0)
{
yychar = YYLEX;
if (yychar < 0) yychar = YYEOF;
#if YYDEBUG
if (yydebug)
{
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == YYEOF) goto yyaccept;
goto yyloop;
}
if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state %d \
to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
*++yystack.s_mark = (YYINT) yystate;
*++yystack.l_mark = yyval;
goto yyloop;
yyoverflow:
YYERROR_CALL("yacc stack overflow");
yyabort:
yyfreestack(&yystack);
return (1);
yyaccept:
yyfreestack(&yystack);
return (0);
}
|
the_stack_data/179826698.c | #include <stdio.h>
#include <string.h>
main(int argc, char *argv[])
{
FILE *f;
char *fname = "key.lst";
int c,i;
const int rot[4] = { -3, -1, 1, 3 };
char key[60][20];
if (argc > 1) {
fname = argv[1]; /*
i = 1;
printf("%3d ", argc);
while (i < argc) {
printf ("-- %s ", argv[i]);
i++;
}
printf("\n"); */
}
if(fname && (f = fopen(fname, "rt"))) {
i = 0;
while(fgets(key[i],sizeof(key[i]),f) != NULL) {
c = strlen(key[i]);
if(key[i][c-1] == '\n') key[i][c-1] = '\0';
i++;
}
fclose (f);
} else {
fclose (f);
}
/*
if (fname && (f = fopen ( fname, "rt"))) {
printf ("Success opening %s, ", fname);
} else {
fclose (f);
}
i = 0;
while(fgets(key[i],sizeof(key[i]),f) != NULL){
c = strlen(key[i]);
if(key[i][c-1] == '\n') key[i][c-1] = '\0';
i++;
}
printf("got %3d lines\n", i);
*/
for (c = i-1 ; c >= 0; c--) printf("%s\n", key[(c-rot[c%4])]);
// for (c = i-1 ; c >= 0; c--) printf("%3d -- %3d -- %s\t%s\n", c, c%4, key[c], key[(c-rot[c%4])]);
fclose (f);
}
|
the_stack_data/1034510.c | #include<stdio.h>
int main(int argc, char *argv[], char* envp[])
{
int i;
for(i=0; i<argc; i++)
{
printf("\n %d] %s", i, argv[i]);
}
return 0;
}
|
the_stack_data/504010.c | #include <stdio.h>
#include <string.h>
#include <x86intrin.h>
#include <omp.h>
/* Matrix dimensions configurations */
/* Golden Matrix sizes*/
#define MATRIX_SIZE 4
#define MAX_MATRIX_SIZE 16
void nestedmatrixmultiplication(int *matrixA, int *matrixB, int *result) {
/* Conventional nested loop for matrix multiplication */
for(int i=0; i<MATRIX_SIZE; i++) {
for(int k=0; k<MATRIX_SIZE; k++) {
for(int j=0; j<MATRIX_SIZE; j++) {
result[i*MATRIX_SIZE+j] += matrixA[i*MATRIX_SIZE+k]*matrixB[k*MATRIX_SIZE+j];
}
}
}
}
void mm_systolicarray(const int *matrixA, const int *matrixB, int *result) {
/* Auxiliar varibles for matrix decomposition*/
int i,j,k, pos = 0;
/* Internal matrices declaration */
int internalA[MATRIX_SIZE][MATRIX_SIZE];
int internalB[MATRIX_SIZE][MATRIX_SIZE];
int internalresult[MATRIX_SIZE][MATRIX_SIZE];
memset(internalresult, 0, MATRIX_SIZE*MATRIX_SIZE);
/*PEs fill out using matrix A*/
for (pos = 0, i = 0, j = 0; pos < MATRIX_SIZE*MATRIX_SIZE; pos++, j++) {
if (j == MAX_MATRIX_SIZE) {
i++;
j = 0;
}
internalA[i][j] = matrixA[pos];
}
/*PEs fill out using matrix B*/
for (pos = 0, i = 0, j = 0; pos < MATRIX_SIZE*MATRIX_SIZE; pos++, j++) {
if (j == MAX_MATRIX_SIZE) {
i++;
j = 0;
}
internalB[i][j] = matrixB[pos];
}
for (k = 0; k < MAX_MATRIX_SIZE; k++) {
for (i = 0; i < MATRIX_SIZE; i++) {
for (j = 0; j < MATRIX_SIZE; j++) {
int last;
if(k == 0){
last = 0;
}else{
last = internalresult[i][j];
}
int a_aux, b_aux;
if(i < MATRIX_SIZE && k < MATRIX_SIZE){
a_aux = internalA[i][k];
} else {
a_aux= 0;
}
if(k < MATRIX_SIZE && j < MATRIX_SIZE){
b_aux = internalB[k][j];
} else {
b_aux= 0;
}
internalresult[i][j] = last + (a_aux*b_aux);
}
}
}
for (pos = 0, i = 0, j = 0; pos < MATRIX_SIZE*MATRIX_SIZE; pos++, j++) {
if (j == MAX_MATRIX_SIZE) {
i++;
j = 0;
}
result[pos] = internalresult[i][j];
}
}
int main(int argc, char* argv[]) {
/* Time variable */
double dtime;
/* Input matrix definition*/
int *matrixA = _mm_malloc(MATRIX_SIZE*MATRIX_SIZE * sizeof *matrixA, 4);
int *matrixB = _mm_malloc(MATRIX_SIZE*MATRIX_SIZE * sizeof *matrixB, 4);
/* Resulting matrix definition */
int *result_nmult = _mm_malloc(MATRIX_SIZE*MATRIX_SIZE * sizeof *result_nmult, 4);
int *result_systolicarray = _mm_malloc(MATRIX_SIZE*MATRIX_SIZE * sizeof *result_nmult, 4);
/* Matrices's initialization */
for(int i=0; i<MATRIX_SIZE*MATRIX_SIZE; i++) matrixA[i] = i % 10;
for(int i=0; i<MATRIX_SIZE*MATRIX_SIZE; i++) matrixB[i] = i % 10;
memset(result_nmult, 0, MATRIX_SIZE*MATRIX_SIZE * sizeof *result_nmult);
memset(result_systolicarray, 0, MATRIX_SIZE*MATRIX_SIZE * sizeof *result_systolicarray);
dtime = -omp_get_wtime();
nestedmatrixmultiplication(matrixA,matrixB,result_nmult);
dtime += omp_get_wtime();
printf("Execution time NO multithreading: %f\n", dtime);
dtime = -omp_get_wtime();
mm_systolicarray(matrixA,matrixB,result_systolicarray );
dtime += omp_get_wtime();
printf("Execution time systolic: %f\n", dtime);
return 0;
}
|
the_stack_data/11075280.c | // SPDX-License-Identifier: GPL-2.0
/*
* Watchdog Driver Test Program
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <linux/types.h>
#include <linux/watchdog.h>
#define DEFAULT_PING_RATE 1
int fd;
const char v = 'V';
static const char sopts[] = "bdehp:t:Tn:N";
static const struct option lopts[] = {
{"bootstatus", no_argument, NULL, 'b'},
{"disable", no_argument, NULL, 'd'},
{"enable", no_argument, NULL, 'e'},
{"help", no_argument, NULL, 'h'},
{"pingrate", required_argument, NULL, 'p'},
{"timeout", required_argument, NULL, 't'},
{"gettimeout", no_argument, NULL, 'T'},
{"pretimeout", required_argument, NULL, 'n'},
{"getpretimeout", no_argument, NULL, 'N'},
{NULL, no_argument, NULL, 0x0}
};
/*
* This function simply sends an IOCTL to the driver, which in turn ticks
* the PC Watchdog card to reset its internal timer so it doesn't trigger
* a computer reset.
*/
static void keep_alive(void)
{
int dummy;
int ret;
ret = ioctl(fd, WDIOC_KEEPALIVE, &dummy);
if (!ret)
printf(".");
}
/*
* The main program. Run the program with "-d" to disable the card,
* or "-e" to enable the card.
*/
static void term(int sig)
{
int ret = write(fd, &v, 1);
close(fd);
if (ret < 0)
printf("\nStopping watchdog ticks failed (%d)...\n", errno);
else
printf("\nStopping watchdog ticks...\n");
exit(0);
}
static void usage(char *progname)
{
printf("Usage: %s [options]\n", progname);
printf(" -b, --bootstatus Get last boot status (Watchdog/POR)\n");
printf(" -d, --disable Turn off the watchdog timer\n");
printf(" -e, --enable Turn on the watchdog timer\n");
printf(" -h, --help Print the help message\n");
printf(" -p, --pingrate=P Set ping rate to P seconds (default %d)\n", DEFAULT_PING_RATE);
printf(" -t, --timeout=T Set timeout to T seconds\n");
printf(" -T, --gettimeout Get the timeout\n");
printf(" -n, --pretimeout=T Set the pretimeout to T seconds\n");
printf(" -N, --getpretimeout Get the pretimeout\n");
printf("\n");
printf("Parameters are parsed left-to-right in real-time.\n");
printf("Example: %s -d -t 10 -p 5 -e\n", progname);
printf("Example: %s -t 12 -T -n 7 -N\n", progname);
}
int main(int argc, char *argv[])
{
int flags;
unsigned int ping_rate = DEFAULT_PING_RATE;
int ret;
int c;
int oneshot = 0;
setbuf(stdout, NULL);
fd = open("/dev/watchdog", O_WRONLY);
if (fd == -1) {
if (errno == ENOENT)
printf("Watchdog device not enabled.\n");
else if (errno == EACCES)
printf("Run watchdog as root.\n");
else
printf("Watchdog device open failed %s\n",
strerror(errno));
exit(-1);
}
while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
switch (c) {
case 'b':
flags = 0;
oneshot = 1;
ret = ioctl(fd, WDIOC_GETBOOTSTATUS, &flags);
if (!ret)
printf("Last boot is caused by: %s.\n", (flags != 0) ?
"Watchdog" : "Power-On-Reset");
else
printf("WDIOC_GETBOOTSTATUS error '%s'\n", strerror(errno));
break;
case 'd':
flags = WDIOS_DISABLECARD;
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card disabled.\n");
else {
printf("WDIOS_DISABLECARD error '%s'\n", strerror(errno));
oneshot = 1;
}
break;
case 'e':
flags = WDIOS_ENABLECARD;
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card enabled.\n");
else {
printf("WDIOS_ENABLECARD error '%s'\n", strerror(errno));
oneshot = 1;
}
break;
case 'p':
ping_rate = strtoul(optarg, NULL, 0);
if (!ping_rate)
ping_rate = DEFAULT_PING_RATE;
printf("Watchdog ping rate set to %u seconds.\n", ping_rate);
break;
case 't':
flags = strtoul(optarg, NULL, 0);
ret = ioctl(fd, WDIOC_SETTIMEOUT, &flags);
if (!ret)
printf("Watchdog timeout set to %u seconds.\n", flags);
else {
printf("WDIOC_SETTIMEOUT error '%s'\n", strerror(errno));
oneshot = 1;
}
break;
case 'T':
oneshot = 1;
ret = ioctl(fd, WDIOC_GETTIMEOUT, &flags);
if (!ret)
printf("WDIOC_GETTIMEOUT returns %u seconds.\n", flags);
else
printf("WDIOC_GETTIMEOUT error '%s'\n", strerror(errno));
break;
case 'n':
flags = strtoul(optarg, NULL, 0);
ret = ioctl(fd, WDIOC_SETPRETIMEOUT, &flags);
if (!ret)
printf("Watchdog pretimeout set to %u seconds.\n", flags);
else {
printf("WDIOC_SETPRETIMEOUT error '%s'\n", strerror(errno));
oneshot = 1;
}
break;
case 'N':
oneshot = 1;
ret = ioctl(fd, WDIOC_GETPRETIMEOUT, &flags);
if (!ret)
printf("WDIOC_GETPRETIMEOUT returns %u seconds.\n", flags);
else
printf("WDIOC_GETPRETIMEOUT error '%s'\n", strerror(errno));
break;
default:
usage(argv[0]);
goto end;
}
}
if (oneshot)
goto end;
printf("Watchdog Ticking Away!\n");
signal(SIGINT, term);
while (1) {
keep_alive();
sleep(ping_rate);
}
end:
ret = write(fd, &v, 1);
if (ret < 0)
printf("Stopping watchdog ticks failed (%d)...\n", errno);
close(fd);
return 0;
}
|
the_stack_data/37636996.c | struct TBL {
int (*p)(int *i);
};
extern void bar(int i);
extern void baz(int *i);
static int foo(int *i)
{
bar(*i);
baz(i);
bar(*i);
return *i;
}
struct TBL tbl = { foo };
|
the_stack_data/23947.c | /*_
* Copyright (c) 2015 Hirochika Asai <[email protected]>
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
/*
* Entry point for the e1000 driver
*/
int
main(int argc, char *argv[])
{
while ( 1 ) {
write(0, NULL, 0);
}
exit(0);
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
|
the_stack_data/15763467.c | /*===-- floatdisf.c - Implement __floatdisf -------------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*===----------------------------------------------------------------------===
*
* This file implements __floatdisf for the compiler_rt library.
*
*===----------------------------------------------------------------------===
*/
#if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) || defined(ARCH_X86)
// ARM gcc >= 4.7 implements this in libgcc
#include "int_lib.h"
#include <float.h>
/* Returns: convert a to a float, rounding toward even.*/
/* Assumption: float is a IEEE 32 bit floating point type
* di_int is a 64 bit integral type
*/
/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */
float
__floatdisf(di_int a)
{
if (a == 0)
return 0.0F;
const unsigned N = sizeof(di_int) * CHAR_BIT;
const di_int s = a >> (N-1);
a = (a ^ s) - s;
int sd = N - __builtin_clzll(a); /* number of significant digits */
int e = sd - 1; /* exponent */
if (sd > FLT_MANT_DIG)
{
/* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx
* finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR
* 12345678901234567890123456
* 1 = msb 1 bit
* P = bit FLT_MANT_DIG-1 bits to the right of 1
* Q = bit FLT_MANT_DIG bits to the right of 1
* R = "or" of all bits to the right of Q
*/
switch (sd)
{
case FLT_MANT_DIG + 1:
a <<= 1;
break;
case FLT_MANT_DIG + 2:
break;
default:
a = ((du_int)a >> (sd - (FLT_MANT_DIG+2))) |
((a & ((du_int)(-1) >> ((N + FLT_MANT_DIG+2) - sd))) != 0);
};
/* finish: */
a |= (a & 4) != 0; /* Or P into R */
++a; /* round - this step may add a significant bit */
a >>= 2; /* dump Q and R */
/* a is now rounded to FLT_MANT_DIG or FLT_MANT_DIG+1 bits */
if (a & ((du_int)1 << FLT_MANT_DIG))
{
a >>= 1;
++e;
}
/* a is now rounded to FLT_MANT_DIG bits */
}
else
{
a <<= (FLT_MANT_DIG - sd);
/* a is now rounded to FLT_MANT_DIG bits */
}
float_bits fb;
fb.u = ((su_int)s & 0x80000000) | /* sign */
((e + 127) << 23) | /* exponent */
((su_int)a & 0x007FFFFF); /* mantissa */
return fb.f;
}
#endif
|
the_stack_data/225142182.c | /*
* $Xorg: AA32.c,v 1.4 2001/02/09 02:03:48 xorgcvs Exp $
*
*
Copyright 1989, 1998 The Open Group
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.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
* *
* Author: Keith Packard, MIT X Consortium
*/
/* $XFree86: xc/lib/Xdmcp/AA32.c,v 1.3 2001/01/17 19:42:43 dawes Exp $ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <X11/Xos.h>
#include <X11/X.h>
#include <X11/Xmd.h>
#include <X11/Xdmcp.h>
int
XdmcpAllocARRAY32 (ARRAY32Ptr array, int length)
{
CARD32Ptr newData;
newData = (CARD32Ptr) Xalloc (length * sizeof (CARD32));
if (!newData)
return FALSE;
array->length = length;
array->data = newData;
return TRUE;
}
|
the_stack_data/1035698.c | //Reverse a given number using while loop
#include <stdio.h>
int main()
{
int num, rem, reverse_num=0;
//input number from user.
printf("\n Please enter some numbers: ");
scanf("%d", &num);
while (num>=1)
{
rem = num % 10;
reverse_num = reverse_num*10 + rem;
num = num/10;
}
printf("\n Reverse of the input number is: %d", reverse_num);
return 0;
}
|
the_stack_data/151706900.c | #include <stdio.h>
#include <string.h>
int filter(char* cmd){
int r=0;
r += strstr(cmd, "flag")!=0;
r += strstr(cmd, "sh")!=0;
r += strstr(cmd, "tmp")!=0;
return r;
}
int main(int argc, char* argv[], char** envp){
putenv("PATH=/thankyouverymuch");
if(filter(argv[1])) return 0;
system( argv[1] );
return 0;
}
|
the_stack_data/11074108.c | #include<stdio.h>
int main(int argc,char *argv[]){
if(argc==1)
return 0;
int t1=1,t2=1,sum = 0;
int in = atoi(argv[1]);
int tnext=1;
for(int i=1;i<=in;i++){
t1= t2;
t2= tnext;
tnext = t1+t2;
printf("%d ",t1);
}
printf("\nNth term=%d\n",t1);
return 0;
} |
the_stack_data/156394243.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_putstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: esupatae <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/04/03 17:44:53 by esupatae #+# #+# */
/* Updated: 2019/04/03 17:49:47 by esupatae ### ########.fr */
/* */
/* ************************************************************************** */
void ft_putchar(char c);
void ft_putstr(char *str)
{
int i;
i = 0;
while (str[i] != '\0')
{
ft_putchar(str[i]);
i++;
}
}
|
the_stack_data/72687.c | //
// (C) Copyright 2020 Hewlett Packard Enterprise Development LP.
// Licensed under the Apache v2.0 license.
//
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#define SENTINEL_STRING "SFW - variables needed for patching system"
#define PATCH_FORMAT "%sNODENAME=%s\nNODETYPE=%s\nHOSTNAME=%s\n"
void
usage(char *progname) {
printf("usage : %s -d <base disk image> -v <VM image directory> -e <env file> -s <scenario> <VMlist>\n", progname);
exit(1);
}
int
main(int argc, char *argv[]) {
int c;
int fd;
int status;
long int i;
long int offset;
long int bytes;
long int file_index;
long int sentinel_length;
unsigned char *cp = NULL;
unsigned char *sp = NULL;
unsigned char *buffer = NULL;
char *env_file = NULL;
char *base_name = NULL;
char *vm_dir = NULL;
char src_vdi[256];
char dst_vdi[256];
char nodename[256];
char nodetype[256];
char hostname[256];
char scenario[256];
char environment[4096];
char patch_string[4096];
struct stat sbuf;
//
// Get the parameters
//
while (c = getopt(argc, argv, "e:b:v:"), c != EOF) {
switch (c) {
case 'b': base_name = optarg; break;
case 'v': vm_dir = optarg; break;
case 'e': env_file = optarg; break;
default: usage(argv[0]);
}
}
//
// Read the environment file.
//
memset(environment, 0, sizeof(environment));
if (fd = open(env_file, O_RDONLY), fd < 0) {
printf("can't open %s (%d)\n", env_file, errno);
return 0;
} else if (read(fd, environment, sizeof(environment)) < 0) {
printf("can't read %s (%d)\n", env_file, errno);
return 0;
} else if (close(fd) < 0) {
printf("can't close %s (%d)\n", env_file, errno);
return 0;
}
//
// Get the scenario from the environment.
//
if (cp = strstr(environment, "SCENARIO="), cp == NULL) {
printf("can't find scenario name in the environment file\n");
return 0;
}
memset(scenario, 0, sizeof(scenario));
sscanf(cp, "SCENARIO=%[^ \f\n\r\t\v]", scenario);
//
// Allocate our buffer.
//
sprintf(src_vdi, "%s/%s/%s.vdi", vm_dir, base_name, base_name);
if (stat(src_vdi, &sbuf) < 0) {
printf("can't stat %s (%d)\n", src_vdi, errno);
return 0;
}
bytes = sbuf.st_size;
if (buffer = calloc(1, bytes+128), buffer == NULL) {
printf("can't malloc buffer (%d)\n", errno);
return 0;
}
//
// Open and read the src VDI file.
//
if (fd = open(src_vdi, O_RDONLY), fd < 0) {
printf("can't open %s (%d)\n", src_vdi, errno);
return 0;
} else if (read(fd, buffer, bytes) != bytes) {
printf("can't read %s (%d)\n", src_vdi, errno);
return 0;
} else if (close(fd) < 0) {
printf("can't close %s (%d)\n", src_vdi, errno);
return 0;
}
//
// Find the sentinel string.
//
sentinel_length = strlen(SENTINEL_STRING);
for (i = 0, sp = buffer; i < bytes; i++, sp++) {
if (strncmp(sp, SENTINEL_STRING, sentinel_length) == 0) {
break;
}
}
if (sp = strchr(sp, '\n'), sp == NULL) {
printf("invalid VDI format\n");
return 0;
}
sp++;
//
// Write out the dst VDI file.
//
for (i = optind; i < argc; i++) {
sscanf(argv[i], "%[^,],%[^,],%[^,]", nodename, nodetype, hostname);
memset(patch_string, '\0', sizeof(patch_string));
sprintf(patch_string, PATCH_FORMAT, environment, nodename, nodetype, hostname);
memcpy(sp, patch_string, strlen(patch_string));
sprintf(dst_vdi, "%s/%s_%s/%s_%s.vdi", vm_dir, scenario, nodename, scenario, nodename);
printf("writing %s_%s variables\n", scenario, nodename);
if (fd = open(dst_vdi, O_RDWR, 0644), fd < 0) {
printf("can't open %s (%d)\n", dst_vdi, errno);
return 0;
} else if (write(fd, buffer, bytes) < 0) {
printf("can't write %s (%d)\n", dst_vdi, errno);
return 0;
} else if (close(fd) < 0) {
printf("can't close %s (%d)\n", dst_vdi, errno);
return 0;
}
memset(sp, ' ', strlen(patch_string));
}
return 0;
}
|
the_stack_data/218893493.c | /* Inspired from example in Figure 2 in the PLDI 2015 paper:
https://dl.acm.org/citation.cfm?id=2737975
*/
// Adapted for the tool PSChecker
#include <pthread.h>
#define N 2
// shared variables
int x, y;
int z1, var0;
int __cs_mlock;
void *t0(void *arg)
{
int i;
__cs_mutex_lock(&__cs_mlock);
rlx_write_ps(x, 1);
rlx_write_ps(y, 1);
rlx_write_ps(y, 1);
__cs_mutex_unlock(&__cs_mlock);
__cs_mutex_lock(&__cs_mlock);
rlx_write_ps(x, 1);
rlx_write_ps(y, 1);
rlx_write_ps(y, 1);
__cs_mutex_unlock(&__cs_mlock);
}
void *t1(void *arg)
{
int _x, _y;
__cs_mutex_lock(&__cs_mlock);
rlx_write_ps(x, 0);
__cs_mutex_unlock(&__cs_mlock);
rlx_read_ps(x, _x);
if (_x > 0) {
rlx_read_ps(y, _y);
_y = _y + 1;
rlx_write_ps(y, _y);
rlx_write_ps(x, 2);
}
__cs_mutex_lock(&__cs_mlock);
rlx_write_ps(x, 0);
__cs_mutex_unlock(&__cs_mlock);
rlx_read_ps(x, _x);
if (_x > 0) {
rlx_read_ps(y, _y);
_y = _y + 1;
rlx_write_ps(y, _y);
rlx_write_ps(x, 2);
}
}
void *t2(void *arg)
{
int _x, _y;
int __lv;
rlx_read_ps(z1, __lv);
if (__lv == 1){
assert(0);
}
else{
rlx_read_ps(x, _x);
assume(_x > 1);
rlx_read_ps(y, _y);
rlx_write_ps(var0, _y);
}
}
void *t3(void *arg)
{
int __lv;
rlx_read_ps(var0, __lv);
assume(__lv == 3);
rlx_write_ps(z1, 1);
}
int main(int argc, char **argv)
{
pthread_t thr0, thr1, thr2, thr3;
x = 0;
y = 0;
var0 = 0;
z1 = 0;
// cas_mutex = 0;
__cs_mutex_init(&__cs_mlock, 0);
pthread_create(&thr0, NULL, t0, NULL);
pthread_create(&thr1, NULL, t1, NULL);
pthread_create(&thr2, NULL, t2, NULL);
pthread_create(&thr3, NULL, t3, NULL);
return 0;
}
|
the_stack_data/12636579.c | /*
* Fallbacks for debugging functions when running on Windows
*
* Copyright 2019 Alexandre Julliard
*
* This 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.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef __WINE_PE_BUILD
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DECLARE_DEBUG_CHANNEL(pid);
WINE_DECLARE_DEBUG_CHANNEL(timestamp);
WINE_DECLARE_DEBUG_CHANNEL(microsecs);
static const char * (__cdecl *p__wine_dbg_strdup)( const char *str );
static int (__cdecl *p__wine_dbg_output)( const char *str );
static unsigned char (__cdecl *p__wine_dbg_get_channel_flags)( struct __wine_debug_channel *channel );
static int (__cdecl *p__wine_dbg_header)( enum __wine_debug_class cls,
struct __wine_debug_channel *channel,
const char *function );
static const char * const debug_classes[] = { "fixme", "err", "warn", "trace" };
static unsigned char default_flags = (1 << __WINE_DBCL_ERR) | (1 << __WINE_DBCL_FIXME);
static int nb_debug_options = -1;
static int options_size;
static struct __wine_debug_channel *debug_options;
static DWORD partial_line_tid; /* id of the last thread to output a partial line */
static void load_func( void **func, const char *name, void *def )
{
if (!*func)
{
DWORD err = GetLastError();
HMODULE module = GetModuleHandleA( "ntdll.dll" );
void *proc = GetProcAddress( module, name );
InterlockedExchangePointer( func, proc ? proc : def );
SetLastError( err );
}
}
#define LOAD_FUNC(name) load_func( (void **)&p ## name, #name, fallback ## name )
/* add a new debug option at the end of the option list */
static void add_option( const char *name, unsigned char set, unsigned char clear )
{
int min = 0, max = nb_debug_options - 1, pos, res;
if (!name[0]) /* "all" option */
{
default_flags = (default_flags & ~clear) | set;
return;
}
if (strlen(name) >= sizeof(debug_options[0].name)) return;
while (min <= max)
{
pos = (min + max) / 2;
res = strcmp( name, debug_options[pos].name );
if (!res)
{
debug_options[pos].flags = (debug_options[pos].flags & ~clear) | set;
return;
}
if (res < 0) max = pos - 1;
else min = pos + 1;
}
if (nb_debug_options >= options_size)
{
options_size = max( options_size * 2, 16 );
debug_options = heap_realloc( debug_options, options_size * sizeof(debug_options[0]) );
}
pos = min;
if (pos < nb_debug_options) memmove( &debug_options[pos + 1], &debug_options[pos],
(nb_debug_options - pos) * sizeof(debug_options[0]) );
strcpy( debug_options[pos].name, name );
debug_options[pos].flags = (default_flags & ~clear) | set;
nb_debug_options++;
}
/* parse a set of debugging option specifications and add them to the option list */
static void parse_options( const char *str )
{
char *opt, *next, *options;
unsigned int i;
if (!(options = _strdup(str))) return;
for (opt = options; opt; opt = next)
{
const char *p;
unsigned char set = 0, clear = 0;
if ((next = strchr( opt, ',' ))) *next++ = 0;
p = opt + strcspn( opt, "+-" );
if (!p[0]) p = opt; /* assume it's a debug channel name */
if (p > opt)
{
for (i = 0; i < ARRAY_SIZE(debug_classes); i++)
{
int len = strlen(debug_classes[i]);
if (len != (p - opt)) continue;
if (!memcmp( opt, debug_classes[i], len )) /* found it */
{
if (*p == '+') set |= 1 << i;
else clear |= 1 << i;
break;
}
}
if (i == ARRAY_SIZE(debug_classes)) /* bad class name, skip it */
continue;
}
else
{
if (*p == '-') clear = ~0;
else set = ~0;
}
if (*p == '+' || *p == '-') p++;
if (!p[0]) continue;
if (!strcmp( p, "all" ))
default_flags = (default_flags & ~clear) | set;
else
add_option( p, set, clear );
}
free( options );
}
/* initialize all options at startup */
static void init_options(void)
{
char *wine_debug = getenv("WINEDEBUG");
nb_debug_options = 0;
if (wine_debug) parse_options( wine_debug );
}
/* FIXME: this is not 100% thread-safe */
static const char * __cdecl fallback__wine_dbg_strdup( const char *str )
{
static char *list[32];
static int pos;
char *ret = strdup( str );
int idx;
idx = InterlockedIncrement( &pos ) % ARRAY_SIZE(list);
free( InterlockedExchangePointer( (void **)&list[idx], ret ));
return ret;
}
static int __cdecl fallback__wine_dbg_output( const char *str )
{
size_t len = strlen( str );
if (!len) return 0;
InterlockedExchange( (LONG *)&partial_line_tid, str[len - 1] != '\n' ? GetCurrentThreadId() : 0 );
return fwrite( str, 1, len, stderr );
}
static int __cdecl fallback__wine_dbg_header( enum __wine_debug_class cls,
struct __wine_debug_channel *channel,
const char *function )
{
char buffer[200], *pos = buffer;
if (!(__wine_dbg_get_channel_flags( channel ) & (1 << cls))) return -1;
/* skip header if partial line and no other thread came in between */
if (partial_line_tid == GetCurrentThreadId()) return 0;
if (TRACE_ON(microsecs))
{
static LARGE_INTEGER frequency;
LARGE_INTEGER counter, microsecs;
if (!frequency.QuadPart) QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&counter);
microsecs.QuadPart = counter.QuadPart * 1000000 / frequency.QuadPart;
pos += sprintf( pos, "%3u.%06u:", (unsigned int)(microsecs.QuadPart / 1000000), (unsigned int)(microsecs.QuadPart % 1000000) );
}
else if (TRACE_ON(timestamp))
{
ULONG ticks = GetTickCount();
pos += sprintf( pos, "%3u.%03u:", ticks / 1000, ticks % 1000 );
}
if (TRACE_ON(pid)) pos += sprintf( pos, "%04x:", GetCurrentProcessId() );
pos += sprintf( pos, "%04x:", GetCurrentThreadId() );
if (function && cls < ARRAY_SIZE( debug_classes ))
snprintf( pos, sizeof(buffer) - (pos - buffer), "%s:%s:%s ",
debug_classes[cls], channel->name, function );
return fwrite( buffer, 1, strlen(buffer), stderr );
}
static unsigned char __cdecl fallback__wine_dbg_get_channel_flags( struct __wine_debug_channel *channel )
{
int min, max, pos, res;
if (nb_debug_options == -1) init_options();
min = 0;
max = nb_debug_options - 1;
while (min <= max)
{
pos = (min + max) / 2;
res = strcmp( channel->name, debug_options[pos].name );
if (!res) return debug_options[pos].flags;
if (res < 0) max = pos - 1;
else min = pos + 1;
}
/* no option for this channel */
if (channel->flags & (1 << __WINE_DBCL_INIT)) channel->flags = default_flags;
return default_flags;
}
const char * __cdecl __wine_dbg_strdup( const char *str )
{
LOAD_FUNC( __wine_dbg_strdup );
return p__wine_dbg_strdup( str );
}
int __cdecl __wine_dbg_output( const char *str )
{
LOAD_FUNC( __wine_dbg_output );
return p__wine_dbg_output( str );
}
unsigned char __cdecl __wine_dbg_get_channel_flags( struct __wine_debug_channel *channel )
{
LOAD_FUNC( __wine_dbg_get_channel_flags );
return p__wine_dbg_get_channel_flags( channel );
}
int __cdecl __wine_dbg_header( enum __wine_debug_class cls, struct __wine_debug_channel *channel,
const char *function )
{
LOAD_FUNC( __wine_dbg_header );
return p__wine_dbg_header( cls, channel, function );
}
#endif /* __WINE_PE_BUILD */
|
the_stack_data/412129.c | #include<stdio.h>
#include<stdlib.h>
void fiboN(int* tab, int i);
void fill(int* tab, int n);
void printTab(int* tab, int n);
int main(){
int n;
int* tab;
printf("Choisir n : ");
scanf("%d", &n);
tab = malloc(n);
fill(tab, n);
printTab(tab, n);
printf("\n");
return 0;
}
void fiboN(int* tab, int i){
if (i == 0 || i == 1){
*tab = 1;
*(tab + 1) = 1;
}
else{
fiboN(tab, i-1);
*(tab + i) = *(tab + i-1) + *(tab + i-2);
}
}
void fill(int* tab, int n){
fiboN(tab, n-1);
}
void printTab(int* tab, int n){
int i;
for(i = 0; i<n; i++){
printf("%d - ", *(tab + i));
}
}
|
the_stack_data/93049.c | # 1 "benchmarks/ds-02-impl3.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "benchmarks/ds-02-impl3.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){
__CPROVER_assume(expression);
}
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, -0.821277691383664f, -0.459725618100875f, 0.148175952221864f, 0.444306875534854f, -0.325610376336498f, 0.544142311404910f, -0.165319440455435f, 0.136706800705517f, 0.543312481350682f, 0.467210959764607f, -0.349266618228534f, -0.660110730565862f, 0.910332331495431f, 0.961049802789367f, -0.786168905164629f, 0.305648402726554f, 0.510815258508885f, 0.0950733260984060f, 0.173750645487898f, 0.144488668408672f, 0.0190031984466126f, -0.299194577636724f, 0.302411647442273f, -0.730462524226212f, 0.688646006554796f, 0.134948379722118f, 0.533716723458894f, -0.00226300779660438f, -0.561340777806718f, 0.450396313744017f, -0.569445876566955f, 0.954155246557698f, -0.255403882430676f, -0.759820984120828f, -0.855279790307514f, -0.147352581758156f, -0.302269055643746f, -0.642038024364086f, -0.367405981107491f, 0.491844011712164f, -0.542191710121194f, -0.938294043323732f, 0.683979894338020f, 0.294728290855287f, 0.00662691839443919f, -0.931040350582855f, 0.152356209974418f, 0.678620860551457f, 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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 (3 == 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) {
# 129 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
y[i] = fxp_transposed_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){
# 234 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
y[i] = fxp_transposed_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) {
# 156 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
y[i] = fxp_transposed_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
yf[i] = double_transposed_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){
# 141 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
y[i] = fxp_transposed_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));
# 85 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
y[i] = generic_timing_double_transposed_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) {
# 75 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
y[i] = double_transposed_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);
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.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);
# 58 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.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){
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
y[i] = double_transposed_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);
# 56 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.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){
# 150 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
y_qtz[i] = double_transposed_direct_form_2(waux_qtz, x_qtz[i], ans_den_qtz, ans_num_qtz, ans_den_size, ans_num_size);
y_double[i] = double_transposed_direct_form_2(waux_double, x_double[i], ans_den_double, ans_num_double, ans_den_size, ans_num_size);
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 (3 == 3)
{
call_verification_task(&verify_overflow);
}
else if (3 == 2)
{
call_verification_task(&verify_limit_cycle);
}
else if (3 == 6)
{
call_verification_task(&verify_error);
}
else if (3 == 1)
{
call_verification_task(&verify_zero_input_limit_cycle);
}
else if (3 == 4)
{
call_verification_task(&verify_timing_msp_430);
}
else if (3 == 5)
{
call_verification_task(&verify_generic_timing);
}
else if (3 == 7)
{
call_verification_task(&verify_stability);
}
else if (3 == 8)
{
call_verification_task(&verify_minimum_phase);
}
else if (3 == 9)
{
call_closedloop_verification_task(&verify_stability_closedloop_using_dslib);
}
else if (3 == 10)
{
call_closedloop_verification_task(&verify_limit_cycle_closed_loop);
}
else if (3 == 11)
{
call_closedloop_verification_task(&verify_error_closedloop);
}
else if (3 == 12)
{
verify_error_state_space();
}
else if (3 == 16)
{
verify_safety_state_space();
}
else if (3 == 13)
{
verify_controllability();
}
else if (3 == 14)
{
verify_observability();
}
else if (3 == 15)
{
verify_limit_cycle_state_space();
}
else if (3 == 18)
{
call_verification_task(&verify_magnitude);
}
return 0;
}
void validation()
{
if (3 == 12 || 3 == 16 ||
3 == 15 || 3 == 13 ||
3 == 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 (((3 != 9) && (3 != 10) &&
(3 != 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 ((3 == 9) || (3 == 10) ||
(3 == 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 (3 == 0)
{
printf("\n\n***************************************************************************************\n");
printf("* set the property to check with DSVerifier (use: --property NAME) *\n");
printf("***************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((3 == 3) || (3 == 2) || (3 == 1) ||
(3 == 10) || (3 == 11) ||
(3 == 4 || 3 == 5) || 3 == 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 ((3 == 0) && (3 != 9) && (3 != 18))
{
printf("\n\n*********************************************************************************************\n");
printf("* set the realization to check with DSVerifier (use: --realization NAME) *\n");
printf("*********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if (3 == 6 || 3 == 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 (3 == 4 || 3 == 5)
{
if (3 == 5 || 3 == 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 (3 == 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 ((3 == 7) || (3 == 8) || (3 == 9) ||
(3 == 10) || (3 == 11) || (3 == 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_cbmc.b[i] = nondet_double();
__DSVERIFIER_assume((plant_cbmc.b[i] >= min) && (plant_cbmc.b[i] <= max));
}else{
plant_cbmc.b[i] = plant.b[i];
}
}
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_cbmc.a[i] = nondet_double();
__DSVERIFIER_assume((plant_cbmc.a[i] >= min) && (plant_cbmc.a[i] <= max));
}
else
{
plant_cbmc.a[i] = plant.a[i];
}
}
((void(*)())closedloop_verification_task)();
}
# 2 "benchmarks/ds-02-impl3.c" 2
digital_system ds = {
.b = { 60.0, -50.0 },
.b_size = 2,
.a = { 1.0, 0.0 },
.a_size = 2,
.sample_time = 0.02
};
implementation impl = {
.int_bits = 10,
.frac_bits = 6,
.max = 1.0,
.min = -1.0,
};
|
the_stack_data/176704637.c | /*
Author: Lucas Pacheco.
Description: A test exercise from "The Audio Programming Book", chapter 1, interactive version of the program fre2midi.
Date: 14/05/2020.
*/
#include <stdio.h>
#include <math.h>
int main()
{
double semitone_ratio;
double c0; /* for frequency of MIDI Note 0 */
double c5; /* for frequency of Middle C */
double frequency; /* . . . which we want to find, */
int midinote; /* . . . given this note. */
double fracmidi;
double dif;
/* calculate required numbers */
semitone_ratio = pow(2, 1 / 12.0); /* approx. 1.0594631 */
/* find Middle C, three semitones above low A = 220 */
c5 = 220.0 * pow(semitone_ratio, 3);
/* MIDI Note 0 is C, 5 octaves below Middle C */
c0 = c5 * pow(0.5, 5);
/* ANSWER (a): User types a frequency */
printf("Frequency: ");
scanf("%lf", &frequency);
/* find nearest MIDI note to a given frequency in Hz */ /* uses the log rule: log_a(N) = log_b(N) / log_b(a) to find the log of a value to base 'semitone_ratio'. */
fracmidi = log(frequency / c0) / log(semitone_ratio);
printf("FRACMIDI: %lf\n", fracmidi);
/* round fracmidi to the nearest whole number */
midinote = (int)(fracmidi + 0.5);
printf("MIDINOTE: %d\n", midinote);
/* Extract decimals */
dif = fracmidi - (double)midinote;
printf("Difference: %f\n", dif);
/* Percentage */
dif *= 100;
// (b) round function of math.h to round a number.
printf("The nearest MIDI note to frequency %.1f is %d with pitch bend of %.1f%%\n", frequency, midinote, round(dif));
return 0;
}
/*
OUTPUT SAMPLE:
FRACMIDI: 68.601998
MIDINOTE: 69
Difference: -0.398002
The nearest MIDI note to frequency 430.0 is 69 with pitch bend of -39.8%
*/ |
the_stack_data/112974.c | /*
GIFT-128 (bitslice) implementations
Prepared by: Siang Meng Sim
Email: [email protected]
Date: 23 Mar 2019
*/
#include <stdint.h>
#include <stdio.h>
/*Round constants*/
const unsigned char GIFT_RC[40] = {
0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3E, 0x3D, 0x3B, 0x37, 0x2F,
0x1E, 0x3C, 0x39, 0x33, 0x27, 0x0E, 0x1D, 0x3A, 0x35, 0x2B,
0x16, 0x2C, 0x18, 0x30, 0x21, 0x02, 0x05, 0x0B, 0x17, 0x2E,
0x1C, 0x38, 0x31, 0x23, 0x06, 0x0D, 0x1B, 0x36, 0x2D, 0x1A
};
uint32_t rowperm(uint32_t S, int B0_pos, int B1_pos, int B2_pos, int B3_pos){
uint32_t T=0;
int b;
for(b=0; b<8; b++){
T |= ((S>>(4*b+0))&0x1)<<(b + 8*B0_pos);
T |= ((S>>(4*b+1))&0x1)<<(b + 8*B1_pos);
T |= ((S>>(4*b+2))&0x1)<<(b + 8*B2_pos);
T |= ((S>>(4*b+3))&0x1)<<(b + 8*B3_pos);
}
return T;
}
void giftb128(uint32_t S[4], uint16_t W[8]){
int round;
uint32_t T;
uint16_t T6,T7;
for(round=0; round<40; round++){
/*===SubCells===*/
S[1] ^= S[0] & S[2];
S[0] ^= S[1] & S[3];
S[2] ^= S[0] | S[1];
S[3] ^= S[2];
S[1] ^= S[3];
S[3] ^= 0xffffffff;
S[2] ^= S[0] & S[1];
T = S[0];
S[0] = S[3];
S[3] = T;
/*===PermBits===*/
S[0] = rowperm(S[0],0,3,2,1);
S[1] = rowperm(S[1],1,0,3,2);
S[2] = rowperm(S[2],2,1,0,3);
S[3] = rowperm(S[3],3,2,1,0);
/*===AddRoundKey===*/
S[2] ^= ((uint32_t)W[2]<<16) | (uint32_t)W[3];
S[1] ^= ((uint32_t)W[6]<<16) | (uint32_t)W[7];
/*Add round constant*/
S[3] ^= 0x80000000 ^ GIFT_RC[round];
/*===Key state update===*/
T6 = (W[6]>>2) | (W[6]<<14);
T7 = (W[7]>>12) | (W[7]<<4);
W[7] = W[5];
W[6] = W[4];
W[5] = W[3];
W[4] = W[2];
W[3] = W[1];
W[2] = W[0];
W[1] = T7;
W[0] = T6;
}
return;
}
/* Additional functions */
uint32_t bench_speed() {
/* Inputs */
uint32_t P__[4] = { 0 };
uint16_t K__[8] = { 0 };
/* Preventing inputs from being optimized out */
asm volatile("" : "+m" (P__));
asm volatile("" : "+m" (K__));
/* Primitive call */
giftb128(P__, K__);
//printf("%08x %08x %08x %08x\n", P__[0], P__[1], P__[2], P__[3]);
/* Preventing outputs from being optimized out */
asm volatile("" : "+m" (P__));
/* Returning the number of encrypted bytes */
return 16;
}
|
the_stack_data/54249.c | #include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
int main()// Main class of type int
{
// Parameters of type int
int fd, sz;
// Char stores characters and letters,
// we allocate 300 bytes.
char *buf = (char *) calloc(300, sizeof(char));
// Opens readtext.txt and stores it's content in parameter fd
fd = open("readtext.txt", O_RDONLY);
// If content of fd is less then 0 (there is no content)
if (fd < 0)
{
// Returns an error message
perror("feil ved lesing af fil"); exit(1);
}
//
sz = read(fd, buf, 300);
printf("Gjorde et kall til read(%d, buf, 300). Returnerte at %d bytes ble lest.\n", fd, sz);
printf("Bytes som ble lest var: %s\n", buf);
close(fd);
}
|
the_stack_data/258588.c | // RUN: %clang_cc1 -emit-llvm %s -o -
union { int :3; double f; } u17_017 = {17.17};
|
the_stack_data/14201570.c | /*
* Author: Christian Huitema
* Copyright (c) 2017, Private Octopus, Inc.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* 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 Private Octopus, Inc. 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 <stdint.h>
#ifndef WIN32
#include <sys/types.h>
#endif
void picoformat_16(uint8_t* bytes, uint16_t n16)
{
bytes[0] = (uint8_t)(n16 >> 8);
bytes[1] = (uint8_t)(n16);
}
void picoformat_32(uint8_t* bytes, uint32_t n32)
{
bytes[0] = (uint8_t)(n32 >> 24);
bytes[1] = (uint8_t)(n32 >> 16);
bytes[2] = (uint8_t)(n32 >> 8);
bytes[3] = (uint8_t)(n32);
}
void picoformat_64(uint8_t* bytes, uint64_t n64)
{
bytes[0] = (uint8_t)(n64 >> 56);
bytes[1] = (uint8_t)(n64 >> 48);
bytes[2] = (uint8_t)(n64 >> 40);
bytes[3] = (uint8_t)(n64 >> 32);
bytes[4] = (uint8_t)(n64 >> 24);
bytes[5] = (uint8_t)(n64 >> 16);
bytes[6] = (uint8_t)(n64 >> 8);
bytes[7] = (uint8_t)(n64);
}
/*
* Summary of Integer Encodings
* 2Bit Length Usable Bits Range
* 00 1 6 0-63
* 01 2 14 0-16383
* 10 4 30 0-1073741823
* 11 8 62 0-4611686018427387903
*/
size_t picoquic_varint_encode(uint8_t* bytes, size_t max_bytes, uint64_t n64)
{
uint8_t* x = bytes;
if (n64 < 16384) {
if (n64 < 64) {
if (max_bytes > 0) {
*x++ = (uint8_t)(n64);
}
} else {
if (max_bytes >= 2) {
*x++ = (uint8_t)((n64 >> 8) | 0x40);
*x++ = (uint8_t)(n64);
}
}
} else if (n64 < 1073741824) {
if (max_bytes >= 4) {
*x++ = (uint8_t)((n64 >> 24) | 0x80);
*x++ = (uint8_t)(n64 >> 16);
*x++ = (uint8_t)(n64 >> 8);
*x++ = (uint8_t)(n64);
}
} else {
if (max_bytes >= 8) {
*x++ = (uint8_t)((n64 >> 56) | 0xC0);
*x++ = (uint8_t)(n64 >> 48);
*x++ = (uint8_t)(n64 >> 40);
*x++ = (uint8_t)(n64 >> 32);
*x++ = (uint8_t)(n64 >> 24);
*x++ = (uint8_t)(n64 >> 16);
*x++ = (uint8_t)(n64 >> 8);
*x++ = (uint8_t)(n64);
}
}
return (x - bytes);
}
void picoquic_varint_encode_16(uint8_t* bytes, uint16_t n16)
{
uint8_t* x = bytes;
*x++ = (uint8_t)(((n16 >> 8) | 0x40)&0x7F);
*x++ = (uint8_t)(n16);
}
size_t picoquic_varint_decode(const uint8_t* bytes, size_t max_bytes, uint64_t* n64)
{
size_t length = ((size_t)1) << ((bytes[0] & 0xC0) >> 6);
if (length > max_bytes) {
length = 0;
*n64 = 0;
} else {
uint64_t v = *bytes++ & 0x3F;
for (size_t i = 1; i < length; i++) {
v <<= 8;
v += *bytes++;
}
*n64 = v;
}
return length;
}
size_t picoquic_varint_skip(uint8_t* bytes)
{
size_t length = ((size_t)1) << ((bytes[0] & 0xC0) >> 6);
return length;
}
size_t picoquic_varint_len(uint64_t val) {
if (val <= 63) {
return 1;
} else if (val <= 16383) {
return 2;
} else if (val <= 1073741823) {
return 4;
} else if (val <= 4611686018427387903) {
return 8;
}
return 0;
} |
the_stack_data/98574693.c | #include <stdio.h>
void input(int r, int c, double nums[r][c]);
double ave_single(int n, double nums[n]);
double ave_all(int r, int c, double nums[r][c]);
double find_max(int r, int c, double nums[r][c]);
double output(int n, double ave_each_group[n], double ave_all_nums, double max);
int main(void)
{
double nums[3][5];
double ave_each_group[3];
input(3, 5, nums);
for (int i = 0; i < 3; i++)
ave_each_group[i] = ave_single(3, nums[i]);
double ave_all_nums = ave_all(3, 5, nums);
double max = find_max(3, 5, nums);
output(3, ave_each_group, ave_all_nums, max);
return 0;
}
void input(int r, int c, double nums[r][c])
{
for (int i = 0; i < r; i++)
{
for (int j = 0; j < c; j++)
scanf("%lf", &nums[i][j]);
}
}
double ave_single(int n, double nums[n])
{
double tot = 0;
for (int i = 0; i < n; i++)
tot += nums[i];
return tot / n;
}
double ave_all(int r, int c, double nums[r][c])
{
double tot = 0;
for (int i = 0; i < r; i++)
for (int j = 0; j < c; j++)
tot += nums[i][j];
return tot / (r * c);
}
double find_max(int r, int c, double nums[r][c])
{
double max = nums[0][0];
for (int i = 0; i < r; i++)
for (int j = 0; j < c; j++)
max = max > nums[i][j] ? max : nums[i][j];
return max;
}
double output(int n, double ave_each_group[n], double ave_all_nums, double max)
{
printf("ave each group:\n");
for (int i = 0; i < n; i++)
printf ("%.1f ", ave_each_group[i]);
printf("\n");
printf("ave_all_nums: %.1f\n", ave_all_nums);
printf ("max:%.1f\n", max);
} |
the_stack_data/103264443.c | #include <stdio.h>
int main()
{
printf("Hello, world!\n");
return 0;
}
|
the_stack_data/110427.c | /*
* pr_11.c
*
* Created on: Jun 11, 2013
* Author: delmadord
*/
#include <stdio.h>
#include <string.h>
#define SENTENCE_LEN 100
double compute_avg_word_lenght(const char *sentence);
int read_line(char str[], int n);
int count_spaces(const char *s);
int main(void) {
char sentence[SENTENCE_LEN + 1];
printf("Enter a sentence without punctuation (.,?!): ");
read_line(sentence, SENTENCE_LEN);
printf("Average word length: %.2f",
compute_avg_word_lenght(sentence));
return 0;
}
double compute_avg_word_lenght(const char *sentence) {
double words = count_spaces(sentence);
// Even if there is no space, it is at least one word
return (strlen(sentence) - words) / (words + 1);
}
int read_line(char str[], int n) {
int ch, i = 0;
while ((ch = getchar()) != '\n')
if (i < n)
str[i++] = ch;
str[i] = '\0';
return i;
}
int count_spaces(const char *s) {
int count = 0;
while (*s)
if (*s++ == ' ')
count++;
return count;
}
|
the_stack_data/100139923.c | #include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
void show_array(const double ar[], int n);
double * new_d_array(int n, ...);
int main(void)
{
double * p1 = 0;
double * p2 = 0;
p1 = new_d_array(5, 1.2, 2.3, 3.4, 4.5, 5.6);
p2 = new_d_array(4, 100.0, 20.00, 8.08, -1890.0);
show_array(p1, 5);
show_array(p2, 4);
free(p1);
free(p2);
return 0;
}
void show_array(const double ar[], int n)
{
for (int i = 0; i < n; i++)
{
printf("%lf ", ar[i]);
if (i % 3 == 2)
putchar('\n');
}
putchar('\n');
}
double * new_d_array(int n, ...)
{
va_list ap;
va_start(ap, n);
double * p;
p = malloc(n * sizeof(double));
for (int i = 0; i < n; i++)
{
p[i] = va_arg(ap, double);
}
va_end(ap);
return p;
} |
the_stack_data/18196.c | /* Internet Socket Example using sockaddr_in.
Copyright (C) 1991-2012 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 2
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, if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
void
init_sockaddr (struct sockaddr_in *name,
const char *hostname,
uint16_t port)
{
struct hostent *hostinfo;
name->sin_family = AF_INET;
name->sin_port = htons (port);
hostinfo = gethostbyname (hostname);
if (hostinfo == NULL)
{
fprintf (stderr, "Unknown host %s.\n", hostname);
exit (EXIT_FAILURE);
}
name->sin_addr = *(struct in_addr *) hostinfo->h_addr;
}
|
the_stack_data/137361.c | #include <string.h>
#define ERROR_INT -1
int string_to_int(char *str)
{
int length = strlen(str);
int sig = 1;//positive or negtive integer.
int value = 0;
int i;
int check_begin_position = 0;
int multiply_factor = 1;
//make sure all char are '0' to '9' or sig char.
if(length == 0)
return 0;
if(str[0] == '+')
{
sig = 1;
check_begin_position = 1;
}
if(str[0] == '-')
{
sig = -1;
check_begin_position = 1;
}
for( i=check_begin_position; i< length; i++ )
{
if(str[i]>='0' && str[i]<='9')
continue;
return ERROR_INT;
}
//trans char to int.
for( i=length-1; i>=check_begin_position; i-- )
{
int v = str[i] - '0';
if(i == length-1)
multiply_factor = 1;
else
multiply_factor *= 10;
value += v*multiply_factor;
}
//return
return value*sig;
}
char * int_to_string(int integer)
{
} |
the_stack_data/590083.c | #include <stdio.h>
#define MAX_N 100
#define MAX_V 10000
int v[MAX_N + 5] = {10,20,7,14,12,8,16,32}, w[MAX_N + 5] = {4,8,3,6,12,9,18,36};
int dp[MAX_N + 5][MAX_N + 5];
int get_dp(int n, int W) {
// initialize dp[0]
for (int i = 0; i <= W; i++) {
dp[0][i] = 0;
};
// if dp[i-1] is true, calculate out the dp[i]
// i is the ith item, j is the weight limitation of backpack
for (int i = 1; i <= n; i++) {
for (int j = 0; j <= W; j++) {
// not select the ith item
dp[i][j] = dp[i - 1][j];
// compare with the maximum dp which select the ith item
if (j >= w[i] && dp[i][j] < dp[i-1][j-w[i]] + v[i]) {
dp[i][j] = dp[i-1][j-w[i]] + v[i];
}
}
}
return dp[n][W];
}
int main() {
int a;
a = get_dp(5, 25);
printf("%d\n", a);
} |
the_stack_data/248579761.c | // WARNING in dlfb_submit_urb/usb_submit_urb
// https://syzkaller.appspot.com/bug?id=9c2df342be9d102da75f9532e168a95b9c379ae4
// status:open
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/usb/ch9.h>
unsigned long long procid;
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 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;
}
#define USB_MAX_EP_NUM 32
struct usb_device_index {
struct usb_device_descriptor* dev;
struct usb_config_descriptor* config;
unsigned config_length;
struct usb_interface_descriptor* iface;
struct usb_endpoint_descriptor* eps[USB_MAX_EP_NUM];
unsigned eps_num;
};
static bool parse_usb_descriptor(char* buffer, size_t length,
struct usb_device_index* index)
{
if (length <
sizeof(*index->dev) + sizeof(*index->config) + sizeof(*index->iface))
return false;
index->dev = (struct usb_device_descriptor*)buffer;
index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev));
index->config_length = length - sizeof(*index->dev);
index->iface =
(struct usb_interface_descriptor*)(buffer + sizeof(*index->dev) +
sizeof(*index->config));
index->eps_num = 0;
size_t offset = 0;
while (true) {
if (offset == length)
break;
if (offset + 1 < length)
break;
uint8_t length = buffer[offset];
uint8_t type = buffer[offset + 1];
if (type == USB_DT_ENDPOINT) {
index->eps[index->eps_num] =
(struct usb_endpoint_descriptor*)(buffer + offset);
index->eps_num++;
}
if (index->eps_num == USB_MAX_EP_NUM)
break;
offset += length;
}
return true;
}
enum usb_fuzzer_event_type {
USB_FUZZER_EVENT_INVALID,
USB_FUZZER_EVENT_CONNECT,
USB_FUZZER_EVENT_DISCONNECT,
USB_FUZZER_EVENT_SUSPEND,
USB_FUZZER_EVENT_RESUME,
USB_FUZZER_EVENT_CONTROL,
};
struct usb_fuzzer_event {
uint32_t type;
uint32_t length;
char data[0];
};
struct usb_fuzzer_init {
uint64_t speed;
const char* driver_name;
const char* device_name;
};
struct usb_fuzzer_ep_io {
uint16_t ep;
uint16_t flags;
uint32_t length;
char data[0];
};
#define USB_FUZZER_IOCTL_INIT _IOW('U', 0, struct usb_fuzzer_init)
#define USB_FUZZER_IOCTL_RUN _IO('U', 1)
#define USB_FUZZER_IOCTL_EP0_READ _IOWR('U', 2, struct usb_fuzzer_event)
#define USB_FUZZER_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_fuzzer_ep_io)
#define USB_FUZZER_IOCTL_EP_ENABLE _IOW('U', 4, struct usb_endpoint_descriptor)
#define USB_FUZZER_IOCTL_EP_WRITE _IOW('U', 6, struct usb_fuzzer_ep_io)
#define USB_FUZZER_IOCTL_CONFIGURE _IO('U', 8)
#define USB_FUZZER_IOCTL_VBUS_DRAW _IOW('U', 9, uint32_t)
int usb_fuzzer_open()
{
return open("/sys/kernel/debug/usb-fuzzer", O_RDWR);
}
int usb_fuzzer_init(int fd, uint32_t speed, const char* driver,
const char* device)
{
struct usb_fuzzer_init arg;
arg.speed = speed;
arg.driver_name = driver;
arg.device_name = device;
return ioctl(fd, USB_FUZZER_IOCTL_INIT, &arg);
}
int usb_fuzzer_run(int fd)
{
return ioctl(fd, USB_FUZZER_IOCTL_RUN, 0);
}
int usb_fuzzer_ep0_read(int fd, struct usb_fuzzer_event* event)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP0_READ, event);
}
int usb_fuzzer_ep0_write(int fd, struct usb_fuzzer_ep_io* io)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP0_WRITE, io);
}
int usb_fuzzer_ep_write(int fd, struct usb_fuzzer_ep_io* io)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP_WRITE, io);
}
int usb_fuzzer_ep_enable(int fd, struct usb_endpoint_descriptor* desc)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP_ENABLE, desc);
}
int usb_fuzzer_configure(int fd)
{
return ioctl(fd, USB_FUZZER_IOCTL_CONFIGURE, 0);
}
int usb_fuzzer_vbus_draw(int fd, uint32_t power)
{
return ioctl(fd, USB_FUZZER_IOCTL_VBUS_DRAW, power);
}
#define USB_MAX_PACKET_SIZE 1024
struct usb_fuzzer_control_event {
struct usb_fuzzer_event inner;
struct usb_ctrlrequest ctrl;
char data[USB_MAX_PACKET_SIZE];
};
struct usb_fuzzer_ep_io_data {
struct usb_fuzzer_ep_io inner;
char data[USB_MAX_PACKET_SIZE];
};
struct vusb_connect_string_descriptor {
uint32_t len;
char* str;
} __attribute__((packed));
struct vusb_connect_descriptors {
uint32_t qual_len;
char* qual;
uint32_t bos_len;
char* bos;
uint32_t strs_len;
struct vusb_connect_string_descriptor strs[0];
} __attribute__((packed));
static bool lookup_connect_response(struct vusb_connect_descriptors* descs,
struct usb_device_index* index,
struct usb_ctrlrequest* ctrl,
char** response_data,
uint32_t* response_length, bool* done)
{
uint8_t str_idx;
switch (ctrl->bRequestType & USB_TYPE_MASK) {
case USB_TYPE_STANDARD:
switch (ctrl->bRequest) {
case USB_REQ_GET_DESCRIPTOR:
switch (ctrl->wValue >> 8) {
case USB_DT_DEVICE:
*response_data = (char*)index->dev;
*response_length = sizeof(*index->dev);
return true;
case USB_DT_CONFIG:
*response_data = (char*)index->config;
*response_length = index->config_length;
return true;
case USB_DT_STRING:
str_idx = (uint8_t)ctrl->wValue;
if (str_idx >= descs->strs_len && descs->strs_len > 0) {
str_idx = descs->strs_len - 1;
}
*response_data = descs->strs[str_idx].str;
*response_length = descs->strs[str_idx].len;
return true;
case USB_DT_BOS:
*response_data = descs->bos;
*response_length = descs->bos_len;
return true;
case USB_DT_DEVICE_QUALIFIER:
*response_data = descs->qual;
*response_length = descs->qual_len;
return true;
default:
exit(1);
return false;
}
break;
case USB_REQ_SET_CONFIGURATION:
*response_length = 0;
*response_data = NULL;
*done = true;
return true;
default:
exit(1);
return false;
}
break;
default:
exit(1);
return false;
}
return false;
}
static volatile long syz_usb_connect(volatile long a0, volatile long a1,
volatile long a2, volatile long a3)
{
int64_t speed = a0;
int64_t dev_len = a1;
char* dev = (char*)a2;
struct vusb_connect_descriptors* descs = (struct vusb_connect_descriptors*)a3;
if (!dev)
return -1;
struct usb_device_index index;
memset(&index, 0, sizeof(index));
int rv = 0;
rv = parse_usb_descriptor(dev, dev_len, &index);
if (!rv) {
return rv;
}
int fd = usb_fuzzer_open();
if (fd < 0) {
return fd;
}
char device[32];
sprintf(&device[0], "dummy_udc.%llu", procid);
rv = usb_fuzzer_init(fd, speed, "dummy_udc", &device[0]);
if (rv < 0) {
return rv;
}
rv = usb_fuzzer_run(fd);
if (rv < 0) {
return rv;
}
bool done = false;
while (!done) {
struct usb_fuzzer_control_event event;
event.inner.type = 0;
event.inner.length = sizeof(event.ctrl);
rv = usb_fuzzer_ep0_read(fd, (struct usb_fuzzer_event*)&event);
if (rv < 0) {
return rv;
}
if (event.inner.type != USB_FUZZER_EVENT_CONTROL)
continue;
bool response_found = false;
char* response_data = NULL;
uint32_t response_length = 0;
response_found = lookup_connect_response(
descs, &index, &event.ctrl, &response_data, &response_length, &done);
if (!response_found) {
return -1;
}
if (done) {
rv = usb_fuzzer_vbus_draw(fd, index.config->bMaxPower);
if (rv < 0) {
return rv;
}
rv = usb_fuzzer_configure(fd);
if (rv < 0) {
return rv;
}
unsigned ep;
for (ep = 0; ep < index.eps_num; ep++) {
rv = usb_fuzzer_ep_enable(fd, index.eps[ep]);
if (rv < 0)
exit(1);
}
}
struct usb_fuzzer_ep_io_data response;
response.inner.ep = 0;
response.inner.flags = 0;
if (response_length > sizeof(response.data))
response_length = 0;
response.inner.length = response_length;
if (response_data)
memcpy(&response.data[0], response_data, response_length);
if (event.ctrl.wLength < response.inner.length)
response.inner.length = event.ctrl.wLength;
rv = usb_fuzzer_ep0_write(fd, (struct usb_fuzzer_ep_io*)&response);
if (rv < 0) {
return rv;
}
}
sleep_ms(200);
return fd;
}
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_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
write_file("/proc/self/oom_score_adj", "1000");
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
int iter;
for (iter = 0;; iter++) {
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
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;
}
}
}
void execute_one(void)
{
*(uint8_t*)0x20000580 = 0x12;
*(uint8_t*)0x20000581 = 1;
*(uint16_t*)0x20000582 = 0x200;
*(uint8_t*)0x20000584 = 0xb3;
*(uint8_t*)0x20000585 = 0xc4;
*(uint8_t*)0x20000586 = 0xeb;
*(uint8_t*)0x20000587 = 0x40;
*(uint16_t*)0x20000588 = 0x17e9;
*(uint16_t*)0x2000058a = 0x6706;
*(uint16_t*)0x2000058c = 0x1fb0;
*(uint8_t*)0x2000058e = 3;
*(uint8_t*)0x2000058f = 8;
*(uint8_t*)0x20000590 = 0;
*(uint8_t*)0x20000591 = 1;
*(uint8_t*)0x20000592 = 9;
*(uint8_t*)0x20000593 = 2;
*(uint16_t*)0x20000594 = 0x2d;
*(uint8_t*)0x20000596 = 1;
*(uint8_t*)0x20000597 = 2;
*(uint8_t*)0x20000598 = 7;
*(uint8_t*)0x20000599 = 0;
*(uint8_t*)0x2000059a = 0x84;
*(uint8_t*)0x2000059b = 9;
*(uint8_t*)0x2000059c = 4;
*(uint8_t*)0x2000059d = 0x10;
*(uint8_t*)0x2000059e = 0xe8;
*(uint8_t*)0x2000059f = 3;
*(uint8_t*)0x200005a0 = -1;
*(uint8_t*)0x200005a1 = 0;
*(uint8_t*)0x200005a2 = 0;
*(uint8_t*)0x200005a3 = 1;
*(uint8_t*)0x200005a4 = 9;
*(uint8_t*)0x200005a5 = 5;
*(uint8_t*)0x200005a6 = 0xd;
*(uint8_t*)0x200005a7 = 8;
*(uint16_t*)0x200005a8 = 6;
*(uint8_t*)0x200005aa = 1;
*(uint8_t*)0x200005ab = 0xe0;
*(uint8_t*)0x200005ac = 8;
*(uint8_t*)0x200005ad = 9;
*(uint8_t*)0x200005ae = 5;
*(uint8_t*)0x200005af = 1;
*(uint8_t*)0x200005b0 = 3;
*(uint16_t*)0x200005b1 = 5;
*(uint8_t*)0x200005b3 = 6;
*(uint8_t*)0x200005b4 = 7;
*(uint8_t*)0x200005b5 = 9;
*(uint8_t*)0x200005b6 = 9;
*(uint8_t*)0x200005b7 = 5;
*(uint8_t*)0x200005b8 = 0xf;
*(uint8_t*)0x200005b9 = 0;
*(uint16_t*)0x200005ba = 6;
*(uint8_t*)0x200005bc = -1;
*(uint8_t*)0x200005bd = 9;
*(uint8_t*)0x200005be = 5;
*(uint32_t*)0x20001a80 = 0;
*(uint64_t*)0x20001a84 = 0;
*(uint32_t*)0x20001a8c = 0;
*(uint64_t*)0x20001a90 = 0;
*(uint32_t*)0x20001a98 = 7;
*(uint32_t*)0x20001a9c = 0;
*(uint64_t*)0x20001aa0 = 0;
*(uint32_t*)0x20001aa8 = 0;
*(uint64_t*)0x20001aac = 0;
*(uint32_t*)0x20001ab4 = 0;
*(uint64_t*)0x20001ab8 = 0;
*(uint32_t*)0x20001ac0 = 0;
*(uint64_t*)0x20001ac4 = 0;
*(uint32_t*)0x20001acc = 0;
*(uint64_t*)0x20001ad0 = 0;
*(uint32_t*)0x20001ad8 = 0;
*(uint64_t*)0x20001adc = 0;
*(uint32_t*)0x20001ae4 = 0;
*(uint64_t*)0x20001ae8 = 0;
syz_usb_connect(2, 0x3f, 0x20000580, 0x20001a80);
}
int main(void)
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
loop();
return 0;
}
|
the_stack_data/190767671.c | #include <stdio.h>
/**
* @brief Função interna que imprime "existe"
* @param e Inteiro a ser imprimido
*/
void imprimeIN(int e);
/**
* @brief Função externa que executa a interna
* @param Inteiro a ser repassado para a função interna
*/
void imprimeOUT(int e);
/**
* @brief Função principal
*/
int main(){
int existe = 1;//experimente compilar sem esta linha
imprimeOUT(existe);
return 0;
}
void imprimeIN(int e){
printf("%d\n",e);
}
void imprimeOUT(int e){
imprimeIN(e);
}
|
the_stack_data/148577572.c | main(_,k){for(;~scanf("%d%d",&_,&k);printf("%d\n",_+k));}
|
the_stack_data/21414.c | #ifdef _WIN32
#include <io.h>
#include <fcntl.h>
#else
#include <unistd.h>
#endif
#include <assert.h>
int main()
{
int filedesc[2];
#ifdef _WIN32
int ret=_pipe(filedesc, 1000, O_BINARY);
#else
int ret=pipe(filedesc);
#endif
__CPROVER_assume(ret==0);
char data[2] = { 7, 42 };
ret=write(filedesc[1], data, 2);
assert(ret==2);
data[0]=0;
data[1]=0;
ret=read(filedesc[0], data, 2);
assert(ret==2);
assert(data[0]==7);
assert(data[1]==31);
assert(data[1]==42);
return 0;
}
|
the_stack_data/234519272.c | /*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
int main() {
int volatile a;
int* volatile b;
float* const c;
long double d;
static const int kDuration = 3;
int large_int = 9223372036854775807;
int overflow_int = 9223372036854775808;
return 0;
}
|
the_stack_data/7951361.c | #include <stdio.h>
void maxFunction( int *p, int n, int *max){
int i;
*max=*p;
for(i=1; i<n; i++){
if ( *max< *(p+i) ){
*max=*(p+i);
}
}
}
int main(){
int n, *p,i,max;
scanf("%d",&n);
p= (int *)malloc(sizeof(int)*n);
for(i=0;i<n;i++){
scanf("%d",(p+i));
}
maxFunction(p,n,&max);
printf("Maximum = %d\n", max);
return 0;
}
|
the_stack_data/600260.c | #include <stdbool.h>
#include <stdio.h>
unsigned long long potenza_10_vicina(unsigned long long n)
{
if (n == 0)
return 0;
unsigned long long r = 1;
while (r <= n) r *= 10;
r /= 10;
return r;
}
bool cifre_duplicate(unsigned long long n)
{
bool digits[10];
for (int i = 0; i < 10; i++)
digits[i] = false;
while (1) {
unsigned long long p_10 = potenza_10_vicina(n);
if (p_10 == 0)
break;
char digit = n / p_10;
if (digits[digit])
return true;
digits[digit] = true;
n %= (digit * p_10);
}
return false;
} |
the_stack_data/151704453.c | /* Pointer q added to make sure that, j being unknown for the
analysis, it is found pointing toward i and undefined. */
int main()
{
int *a[10], *q;
int i = 0, j = 2;
a[0] = &i;
q = a[j];
a[1] = &i;
a[2] = &i;
a[3] = &i;
a[4] = &i;
a[5] = &i;
a[6] = &i;
return 0;
}
|
the_stack_data/15761934.c | /*Problem - 2 =>
input 2 number and find EBOB(the greatest common divisor of the numbers.) &
EKOK(the smallest common multiple of the numbers.) this numbers*/
#include "stdio.h"
int main()
{
int number1, number2; //input 2 number from user
int bumpNumbers, swap, divisor, bump = 1; //swap == smallest number.
int EBOB, EKOK; //
printf("Enter 1.number: "); scanf("%d",&number1);
printf("Enter 2.number: "); scanf("%d",&number2);
swap = number1;
if(swap > number2) //bu kısımda program daha hızlı çalışsın diye küçük sayıya kadar böldük.
{
swap = number2;
}
bumpNumbers = number1 * number2; //we shall use => (number1*number2=EBOB*EKOK)
for(divisor =2; divisor <= swap; divisor ++) //divide up a swap
{
while(number1%divisor == 0 && number2%divisor == 0) //divisor both => divide continued as long as
{
number1 = number1/divisor;
number2 =number2/divisor;
bump = bump*divisor;
}
}
printf("EBOB = %d\n", (EBOB = bump));
printf("EKOK = %d\n", (EKOK = bumpNumbers/EBOB));
return 0;
} |
the_stack_data/198582053.c | /* { dg-do compile } */
/* { dg-options "-O2 -mtune=core2 -msse4.1" } */
typedef char __v16qi __attribute__ ((__vector_size__ (16)));
typedef long long __m128i __attribute__ ((__vector_size__ (16)));
__m128i Set_AC4R_SETUP_I( const char *val ) {
char D2073 = *val;
char D2074 = *(val + 1);
char D2075 = *(val + 2);
char D2076 = *(val + 3);
char D2077 = *(val + 4);
char D2078 = *(val + 5);
char D2079 = *(val + 6);
__v16qi D2094 = {D2073, D2074, D2075, D2076, D2077, D2078, D2079, 0,
D2073, D2074, D2075, D2076, D2077, D2078, D2079, 0};
return (__m128i)D2094;
}
/* { dg-final { scan-assembler "pinsrb" } } */
|
Subsets and Splits