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the_stack_data/52103.c | /*****************************************************************************
*
* MODULE NAME : GETOPT.C
*
* COPYRIGHTS:
* This module contains code made available by IBM
* Corporation on an AS IS basis. Any one receiving the
* module is considered to be licensed under IBM copyrights
* to use the IBM-provided source code in any way he or she
* deems fit, including copying it, compiling it, modifying
* it, and redistributing it, with or without
* modifications. No license under any IBM patents or
* patent applications is to be implied from this copyright
* license.
*
* A user of the module should understand that IBM cannot
* provide technical support for the module and will not be
* responsible for any consequences of use of the program.
*
* Any notices, including this one, are not to be removed
* from the module without the prior written consent of
* IBM.
*
* AUTHOR: Original author:
* G. R. Blair (BOBBLAIR at AUSVM1)
* Internet: [email protected]
*
* Extensively revised by:
* John Q. Walker II, Ph.D. (JOHHQ at RALVM6)
* Internet: [email protected]
*
*****************************************************************************/
/******************************************************************************
* getopt()
*
* The getopt() function is a command line parser. It returns the
* next option character in argv that matches an option character in
* opstring.
*
* The argv argument points to an array of argc+1 elements containing argc
* pointers to character strings followed by a null pointer.
*
* The opstring argument points to a string of option characters; if an
* option character is followed by a colon, the option is expected to have
* an argument that may or may not be separated from it by white space.
* The external variable optarg is set to point to the start of the option
* argument on return from getopt().
*
* The getopt() function places in optind the argv index of the
* next argument to be processed. The system initializes the external
* variable optind to 1 before the first call to getopt().
*
* When all options have been processed (that is, up to the first nonoption
* argument), getopt() returns EOF. The special option "--" may be used to
* delimit the end of the options; EOF will be returned, and "--" will be
* skipped.
*
* The getopt() function returns a question mark (?) when it encounters an
* option character not included in opstring. This error message can be
* disabled by setting opterr to zero. Otherwise, it returns the option
* character that was detected.
*
* If the special option "--" is detected, or all options have been
* processed, EOF is returned.
*
* Options are marked by either a minus sign (-) or a slash (/).
*
* No errors are defined.
*****************************************************************************/
#include <stdio.h> /* for EOF */
#include <string.h> /* for strchr() */
/* static (global) variables that are specified as exported by getopt() */
char *optarg = NULL; /* pointer to the start of the option argument */
int optind = 1; /* number of the next argv[] to be evaluated */
int opterr = 1; /* non-zero if a question mark should be returned
when a non-valid option character is detected */
/* handle possible future character set concerns by putting this in a macro */
#define _next_char(string) (char)(*(string+1))
int getopt(int argc, char *argv[], char *opstring)
{
static char *pIndexPosition = NULL; /* place inside current argv string */
char *pArgString = NULL; /* where to start from next */
char *pOptString; /* the string in our program */
if (pIndexPosition != NULL) {
/* we last left off inside an argv string */
if (*(++pIndexPosition)) {
/* there is more to come in the most recent argv */
pArgString = pIndexPosition;
}
}
if (pArgString == NULL) {
/* we didn't leave off in the middle of an argv string */
if (optind >= argc) {
/* more command-line arguments than the argument count */
pIndexPosition = NULL; /* not in the middle of anything */
return EOF; /* used up all command-line arguments */
}
/*---------------------------------------------------------------------
* If the next argv[] is not an option, there can be no more options.
*-------------------------------------------------------------------*/
pArgString = argv[optind++]; /* set this to the next argument ptr */
if (('/' != *pArgString) && /* doesn't start with a slash or a dash? */
('-' != *pArgString)) {
--optind; /* point to current arg once we're done */
optarg = NULL; /* no argument follows the option */
pIndexPosition = NULL; /* not in the middle of anything */
return EOF; /* used up all the command-line flags */
}
/* check for special end-of-flags markers */
if ((strcmp(pArgString, "-") == 0) ||
(strcmp(pArgString, "--") == 0)) {
optarg = NULL; /* no argument follows the option */
pIndexPosition = NULL; /* not in the middle of anything */
return EOF; /* encountered the special flag */
}
pArgString++; /* look past the / or - */
}
if (':' == *pArgString) { /* is it a colon? */
/*---------------------------------------------------------------------
* Rare case: if opterr is non-zero, return a question mark;
* otherwise, just return the colon we're on.
*-------------------------------------------------------------------*/
return (opterr ? (int)'?' : (int)':');
}
else if ((pOptString = strchr(opstring, *pArgString)) == 0) {
/*---------------------------------------------------------------------
* The letter on the command-line wasn't any good.
*-------------------------------------------------------------------*/
optarg = NULL; /* no argument follows the option */
pIndexPosition = NULL; /* not in the middle of anything */
return (opterr ? (int)'?' : (int)*pArgString);
}
else {
/*---------------------------------------------------------------------
* The letter on the command-line matches one we expect to see
*-------------------------------------------------------------------*/
if (':' == _next_char(pOptString)) { /* is the next letter a colon? */
/* It is a colon. Look for an argument string. */
if ('\0' != _next_char(pArgString)) { /* argument in this argv? */
optarg = &pArgString[1]; /* Yes, it is */
}
else {
/*-------------------------------------------------------------
* The argument string must be in the next argv.
* But, what if there is none (bad input from the user)?
* In that case, return the letter, and optarg as NULL.
*-----------------------------------------------------------*/
if (optind < argc)
optarg = argv[optind++];
else {
optarg = NULL;
return (opterr ? (int)'?' : (int)*pArgString);
}
}
pIndexPosition = NULL; /* not in the middle of anything */
}
else {
/* it's not a colon, so just return the letter */
optarg = NULL; /* no argument follows the option */
pIndexPosition = pArgString; /* point to the letter we're on */
}
return (int)*pArgString; /* return the letter that matched */
}
}
|
the_stack_data/179831700.c | #include <stdatomic.h>
#include <limits.h>
#include <stdint.h>
typedef struct two_pointer {
void *p;
void *q;
} two_pointer;
typedef _Atomic(two_pointer) atomic_two_pointer_t;
two_pointer load_two_pointer(atomic_two_pointer_t *x) {
return atomic_load_explicit(x, memory_order_relaxed);
}
two_pointer load_two_pointer_intrinsic(atomic_two_pointer_t *x) {
two_pointer ret;
__atomic_load(x, &ret, memory_order_relaxed);
return ret;
}
#if ULONG_MAX == 4294967295
typedef uint64_t uintdptr_t;
#else
typedef __uint128_t uintdptr_t;
#endif
typedef _Atomic(uintdptr_t) atomic_uintdptr_t;
uintdptr_t load_uintdptr_t(atomic_uintdptr_t *x) {
return atomic_load_explicit(x, memory_order_relaxed);
}
uintdptr_t cas_uintdptr_t(atomic_uintdptr_t *x,
uintdptr_t ev, uintdptr_t nv) {
atomic_compare_exchange_strong(x, &ev, nv);
return ev;
}
int main() { return 0; }
|
the_stack_data/218894451.c | /*
Copyright (c) 2017, Lawrence Livermore National Security, LLC.
Produced at the Lawrence Livermore National Laboratory
Written by Chunhua Liao, Pei-Hung Lin, Joshua Asplund,
Markus Schordan, and Ian Karlin
(email: [email protected], [email protected], [email protected],
[email protected], [email protected])
LLNL-CODE-732144
All rights reserved.
This file is part of DataRaceBench. For details, see
https://github.com/LLNL/dataracebench. Please also see the LICENSE file
for our additional BSD notice.
Redistribution and use in source and binary forms, with
or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the disclaimer below.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the disclaimer (as noted below)
in the documentation and/or other materials provided with the
distribution.
* Neither the name of the LLNS/LLNL 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 LAWRENCE LIVERMORE NATIONAL
SECURITY, LLC, THE U.S. DEPARTMENT OF ENERGY 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.
*/
/*
A linear expression is used as array subscription.
Data race pair: a[2*i+1]@66:5 vs. a[i]@66:14
*/
#include <stdlib.h>
int main(int argc, char* argv[])
{
int i;
int len=2000;
if (argc>1)
len = atoi(argv[1]);
int a[len];
#pragma omp parallel for
for (i=0; i<len; i++)
a[i]=i;
for (i=0;i<len/2;i++)
a[2*i+1]=a[i]+1;
for (i=0; i<len; i++)
printf("%d\n", a[i]);
return 0;
}
|
the_stack_data/75645.c | int mx_get_char_index(const char *str, char c) {
if (str == 0)
return -2;
for (int i = 0; str[i]; i++) {
if (str[i] == c)
return i;
}
return -1;
}
|
the_stack_data/68888607.c | /** MIT License
*
* Copyright (c) 2020 - 2021 Qv Junping
*
* 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.
*/
/* libc/src/stdio/vfprintf.c.
* 使用可变参数格式化输出到流
*/
#include <stdarg.h>
#include <stdio.h>
#include <unistd.h>
static size_t vfprintf_callback(void *file, const char *string, size_t length)
{
return fwrite(string, 1, length, (FILE*)file);
}
int vfprintf(FILE *fp, const char *restrict format, va_list vl)
{
return vcbprintf(fp, vfprintf_callback, format, vl);
}
|
the_stack_data/59512920.c | #include <stdio.h>
#include <stdlib.h>
int main(int argc, char** argv)
{
if (argc < 2) {
fprintf(stderr, "1 argument is required!\n");
return 1;
} else if (argc > 2) {
fprintf(stderr, "Only 1 argument is allowed!\n");
return 1;
}
long double product = 1;
for (int i = atof(argv[1]); i != 0; --i)
product = product * i;
printf("%Lf\n", product);
return 0;
}
|
the_stack_data/156392109.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_find_next_prime.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: skuntoji <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/06/23 14:33:23 by skuntoji #+# #+# */
/* Updated: 2018/06/23 17:15:59 by skuntoji ### ########.fr */
/* */
/* ************************************************************************** */
int ft_is_prime(int nb)
{
int i;
i = 3;
if (nb < 2)
return (0);
if (nb == 2)
return (1);
if (nb % 2 == 0)
return (0);
while (i <= nb)
{
if ((nb > i) && (nb % i == 0))
return (0);
if ((nb == i) && (nb % i == 0))
return (1);
i++;
}
return (0);
}
int ft_find_next_prime(int nb)
{
if (nb <= 2)
return (2);
while (1)
{
if (ft_is_prime(nb))
return (nb);
nb++;
}
return (0);
}
|
the_stack_data/179830488.c | #include <stdio.h>
/* Primero se declara la cabecera de todas las funciones
antes del main. Posteriomente se implementan (debajo del main)
*/
int miprimerafuncion(int numero);
int main() {
int valor = miprimerafuncion(1);
printf("El valor de mi primera funcion es %d\n", valor);
printf("Otra forma de mostrar el valor: %d\n", miprimerafuncion(1));
}
int miprimerafuncion(int numero) {
return numero + 1;
}
|
the_stack_data/161080741.c | #include <stdio.h>
int main()
{
int x = 5;
char c = 'H';
float f = 1.0f; // f postfix: float literál
double pi = 3.14159;
printf("x változó mérete byte-ban: %d\n", sizeof(x));
printf("c változó mérete byte-ban: %d\n", sizeof(c));
printf("f változó mérete byte-ban: %d\n", sizeof(f));
printf("pi változó mérete byte-ban: %d\n", sizeof(pi));
puts("");
printf("int típus mérete byte-ban: %d\n", sizeof(int));
printf("char típus byte-ban: %d\n", sizeof(char));
printf("float típus mérete byte-ban: %d\n", sizeof(float));
printf("double típus mérete byte-ban: %d\n", sizeof(double));
return 0;
}
|
the_stack_data/220455522.c | extern void abort (void);
extern int inside_main;
__attribute__ ((__noinline__))
char *
strcpy (char *d, const char *s)
{
char *r = d;
#if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__
if (inside_main)
abort ();
#endif
while ((*d++ = *s++));
return r;
}
|
the_stack_data/414263.c | #include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <semaphore.h>
#define THREAD_NUM 6
pthread_mutex_t mutexFuel;
int fuel = 50;
void* routine1(void* args) {
while (1) {
pthread_mutex_lock(&mutexFuel);
fuel += 50;
printf("Current value is %d\n", fuel);
}
}
void* routine2(void* args) {
while (1) {
pthread_mutex_unlock(&mutexFuel);
usleep(5);
}
}
int main(int argc, char *argv[]) {
pthread_t th[THREAD_NUM];
pthread_mutex_init(&mutexFuel, NULL);
int i;
for (i = 0; i < THREAD_NUM; i++) {
if (i % 2 == 0) {
if (pthread_create(&th[i], NULL, &routine1, NULL) != 0) {
perror("Failed to create thread");
}
} else {
if (pthread_create(&th[i], NULL, &routine2, NULL) != 0) {
perror("Failed to create thread");
}
}
}
for (i = 0; i < THREAD_NUM; i++) {
if (pthread_join(th[i], NULL) != 0) {
perror("Failed to join thread");
}
}
pthread_mutex_destroy(&mutexFuel);
return 0;
} |
the_stack_data/95303.c | /*
* lucifer.c
*
* C implementation of IBM lucifer cipher
* extensive rewrite of FORTRAN code given by Sorkin of LLNL:
* %A Arthur Sorkin
* %T Lucifer: A cryptographic algorithm
* %J Cryptologia
* %V 8
* %N 1
* %D January 1984
* %P 22-42
*
* original comments and variable names
* supported where possible in Sorkin subroutines.
* have used better C bit-op support to eliminate need for
* bit vector style storage
*
* This version: 3/16/91, Jonathan M. Smith
*
* Modification history:
*
* 3/17/91 - switched back to bit-vector storage - eased manipulations
* Does slightly over 12,000 characters/sec. on RS/6000 model 320
*/
#include <stdio.h>
#define ENCIPHER 0
#define DECIPHER 1
#define L_BLOCK 128 /* bits in a lucifer block */
#define BPB 8 /* bits per byte */
int m[L_BLOCK]; /* message vector */
int k[L_BLOCK]; /* key vector */
int o[8] = { 7, 6, 2, 1, 5, 0, 3, 4 }; /* diffusion pattern */
int pr[8] = { 2, 5, 4, 0, 3, 1, 7, 6 }; /* inverse of fixed permutation */
/* S-box permutations */
int s0[16] = { 12, 15, 7, 10, 14, 13, 11, 0, 2, 6, 3, 1, 9, 4, 5, 8 };
int s1[16] = { 7, 2, 14, 9, 3, 11, 0, 4, 12, 13, 1, 10, 6, 15, 8, 5 };
lucifer( direction )
int direction;
{
int tcbindex, tcbcontrol; /* transfer control byte indices */
int round, hi, lo, h_0, h_1;
register int bit, temp1;
int byte, index, v, tr[BPB];
h_0 = 0;
h_1 = 1;
if( direction == DECIPHER )
tcbcontrol = 8;
else
tcbcontrol = 0;
for( round=0; round<16; round += 1 )
{
if( direction == DECIPHER )
tcbcontrol = (tcbcontrol+1) & 0xF;
tcbindex = tcbcontrol;
for( byte = 0; byte < 8; byte +=1 )
{
lo = (m[(h_1*64)+(BPB*byte)+7])*8
+(m[(h_1*64)+(BPB*byte)+6])*4
+(m[(h_1*64)+(BPB*byte)+5])*2
+(m[(h_1*64)+(BPB*byte)+4]);
hi = (m[(h_1*64)+(BPB*byte)+3])*8
+(m[(h_1*64)+(BPB*byte)+2])*4
+(m[(h_1*64)+(BPB*byte)+1])*2
+(m[(h_1*64)+(BPB*byte)+0]);
v = (s0[lo]+16*s1[hi])*(1-k[(BPB*tcbindex)+byte])
+(s0[hi]+16*s1[lo])*k[(BPB*tcbindex)+byte];
for( temp1 = 0; temp1 < BPB; temp1 += 1 )
{
tr[temp1] = v & 0x1;
v = v>>1;
}
for( bit = 0; bit < BPB; bit += 1 )
{
index = (o[bit]+byte) & 0x7;
temp1 = m[(h_0*64)+(BPB*index)+bit]
+k[(BPB*tcbcontrol)+pr[bit]]
+tr[pr[bit]];
m[(h_0*64)+(BPB*index)+bit] = temp1 & 0x1;
}
if( byte<7 || direction == DECIPHER )
tcbcontrol = (tcbcontrol+1) & 0xF;
}
temp1 = h_0;
h_0 = h_1;
h_1 = temp1;
}
/* final swap */
for( byte = 0; byte < 8; byte += 1 )
{
for( bit = 0; bit < BPB; bit += 1 )
{
temp1 = m[(BPB*byte)+bit];
m[(BPB*byte)+bit] = m[64+(BPB*byte)+bit];
m[64+(BPB*byte)+bit] = temp1;
}
}
return;
}
/*
* mygetpw()
* essentially getpass() with modifiable length parms
*/
#include <sys/ioctl.h>
#include <termio.h>
#include <fcntl.h>
#ifndef EOS
#define EOS '\0'
#endif
#ifndef EOL
#define EOL '\n'
#endif
mygetpw( buf, len, prompt )
char *buf, *prompt;
int len;
{
int i, fd;
struct termio t;
unsigned short save;
fd = open( "/dev/tty", O_RDWR );
if( fd >= 0 )
{
write( fd, prompt, strlen( prompt ) );
ioctl( fd, TCGETA, &t );
save = t.c_lflag;
t.c_lflag &= ~ECHO;
ioctl( fd, TCSETAW, &t );
for( i = 0; i < len; i += 1 )
{
if( read( fd, &buf[i], sizeof(char) ) < sizeof(char) )
break;
if( buf[i] == EOL )
{
write( fd, &buf[i], sizeof(char) );
break;
}
}
for( ; i < len; i += 1 )
buf[i] = EOS;
t.c_lflag = save;
ioctl( fd, TCSETAF, &t );
close( fd );
}
else
{
fprintf( stderr, "Can't open /dev/tty. Exiting!\n" );
exit( 1 );
}
return;
}
/*
* this front-end uses mygetpw() to get a key, and then
* loads the key into k,
* and then operates on the message 128 bits at a time,
* by putting it in "m" and calling lucifer().
* encryption/decryption controlled by a command line argument.
*/
main( argc, argv )
int argc;
char *argv[];
{
int i, c, output, counter, direction;
char buf[16];
if( argc != 2 )
usage();
if( argv[1][0] != '-' || argv[1][2] != '\0' )
usage();
if( argv[1][1] == 'd' )
direction = DECIPHER;
else if( argv[1][1] == 'e' )
direction = ENCIPHER;
else
usage();
mygetpw( buf, 16, "Password: " );
for( counter = 0; counter < 16; counter += 1 )
{
c = buf[counter] & 0xFF;
for( i = 0; i < BPB; i += 1 )
{
k[(BPB*counter)+i] = c & 0x1;
c = c>>1;
}
}
counter = 0;
while( (c=getchar()) != EOF )
{
if( counter == 16 )
{
lucifer( direction );
for( counter = 0; counter < 16; counter += 1 )
{
output = 0;
for( i = BPB-1; i >= 0; i -= 1 )
{
output = (output<<1) + m[(BPB*counter)+i];
}
putchar( output );
}
counter = 0;
}
for( i = 0; i < BPB; i += 1 )
{
m[(BPB*counter)+i] = c & 0x1;
c = c>>1;
}
counter += 1;
}
for( ;counter < 16; counter += 1 )
for( i = 0; i < BPB; i += 1 )
m[(BPB*counter)+i] = 0;
lucifer( direction );
for( counter = 0; counter < 16; counter += 1 )
{
output = 0;
for( i = BPB-1; i >= 0; i -= 1 )
{
output = (output<<1) + m[(BPB*counter)+i];
}
putchar( output );
}
exit( 0 );
}
usage()
{
fprintf( stderr, "Usage: lucifer -[e|d]\n" );
exit( 1 );
}
|
the_stack_data/117328313.c | /* $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $ */
/*
* Copyright (c) 1998 Todd C. Miller <[email protected]>
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef EMSCRIPTEN
#include <sys/types.h>
#include <string.h>
/*
* Copy src to string dst of size siz. At most siz-1 characters
* will be copied. Always NUL terminates (unless siz == 0).
* Returns strlen(src); if retval >= siz, truncation occurred.
*/
size_t
strlcpy(char *dst, const char *src, size_t siz)
{
char *d = dst;
const char *s = src;
size_t n = siz;
/* Copy as many bytes as will fit */
if (n != 0) {
while (--n != 0) {
if ((*d++ = *s++) == '\0')
break;
}
}
/* Not enough room in dst, add NUL and traverse rest of src */
if (n == 0) {
if (siz != 0)
*d = '\0'; /* NUL-terminate dst */
while (*s++)
;
}
return(s - src - 1); /* count does not include NUL */
}
#endif
|
the_stack_data/165768624.c | #define NULL ((void*)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t; typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1
/* Forward declarations */
/* Type definitions */
typedef int u8 ;
typedef int u16 ;
struct dvb_usb_device {int /*<<< orphan*/ data_mutex; struct af9005_device_state* priv; } ;
struct af9005_device_state {int* data; int /*<<< orphan*/ sequence; } ;
/* Variables and functions */
int AF9005_CMD_AUTOINC ;
int AF9005_CMD_BURST ;
int AF9005_CMD_OFDM_REG ;
int AF9005_CMD_READ ;
int AF9005_CMD_TUNER ;
int AF9005_CMD_WRITE ;
int AF9005_OFDM_REG ;
int AF9005_REGISTER_RW ;
int AF9005_REGISTER_RW_ACK ;
int AF9005_TUNER_REG ;
int EINVAL ;
int EIO ;
int dvb_usb_generic_rw (struct dvb_usb_device*,int*,int,int*,int,int /*<<< orphan*/ ) ;
int /*<<< orphan*/ err (char*) ;
int /*<<< orphan*/ mutex_lock (int /*<<< orphan*/ *) ;
int /*<<< orphan*/ mutex_unlock (int /*<<< orphan*/ *) ;
__attribute__((used)) static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg,
int readwrite, int type, u8 * values, int len)
{
struct af9005_device_state *st = d->priv;
u8 command, seq;
int i, ret;
if (len < 1) {
err("generic read/write, less than 1 byte. Makes no sense.");
return -EINVAL;
}
if (len > 8) {
err("generic read/write, more than 8 bytes. Not supported.");
return -EINVAL;
}
mutex_lock(&d->data_mutex);
st->data[0] = 14; /* rest of buffer length low */
st->data[1] = 0; /* rest of buffer length high */
st->data[2] = AF9005_REGISTER_RW; /* register operation */
st->data[3] = 12; /* rest of buffer length */
st->data[4] = seq = st->sequence++; /* sequence number */
st->data[5] = (u8) (reg >> 8); /* register address */
st->data[6] = (u8) (reg & 0xff);
if (type == AF9005_OFDM_REG) {
command = AF9005_CMD_OFDM_REG;
} else {
command = AF9005_CMD_TUNER;
}
if (len > 1)
command |=
AF9005_CMD_BURST | AF9005_CMD_AUTOINC | (len - 1) << 3;
command |= readwrite;
if (readwrite == AF9005_CMD_WRITE)
for (i = 0; i < len; i++)
st->data[8 + i] = values[i];
else if (type == AF9005_TUNER_REG)
/* read command for tuner, the first byte contains the i2c address */
st->data[8] = values[0];
st->data[7] = command;
ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 17, 0);
if (ret)
goto ret;
/* sanity check */
if (st->data[2] != AF9005_REGISTER_RW_ACK) {
err("generic read/write, wrong reply code.");
ret = -EIO;
goto ret;
}
if (st->data[3] != 0x0d) {
err("generic read/write, wrong length in reply.");
ret = -EIO;
goto ret;
}
if (st->data[4] != seq) {
err("generic read/write, wrong sequence in reply.");
ret = -EIO;
goto ret;
}
/*
* In thesis, both input and output buffers should have
* identical values for st->data[5] to st->data[8].
* However, windows driver doesn't check these fields, in fact
* sometimes the register in the reply is different that what
* has been sent
*/
if (st->data[16] != 0x01) {
err("generic read/write wrong status code in reply.");
ret = -EIO;
goto ret;
}
if (readwrite == AF9005_CMD_READ)
for (i = 0; i < len; i++)
values[i] = st->data[8 + i];
ret:
mutex_unlock(&d->data_mutex);
return ret;
} |
the_stack_data/785308.c | /*Program to find the sum of column elements and row elements
of a given matrix*/
void main()
{
int A[50][50],rowsum[50],colsum[50];
unsigned int i,j,m,n;
clrscr();
//i and j are the loop controllers
//m and n are the number of rows and columns respectively
//rowsum[] and colsum[] are the sum of row and column elements
printf("Enter the number of rows and columns respectively : ");
scanf("%u%u",&m,&n);
if(m>50||n>50)
{
printf("Sorry, Array size too large!");
goto end;
}
for(i=0;i<50;i++)
{
rowsum[i]=0;
colsum[i]=0;
}
printf("Enter the elements-\n");
for(i=0;i<m;i++)
{
printf("Enter the elements of row %u : ",i+1);
for(j=0;j<n;j++)
scanf("%d",&A[i][j]);
}
for(i=0;i<m;i++)
for(j=0;j<n;j++)
{
rowsum[i]=rowsum[i]+A[i][j];
colsum[j]=colsum[j]+A[i][j];
}
printf("\nThe sum of elements of\n");
for(i=0;i<m;i++)
printf("Row %u : %d\n",i+1,rowsum[i]);
printf("\nThe sum of elements of\n");
for(j=0;j<n;j++)
printf("Column %u : %d\n",j+1,colsum[j]);
end:
printf("\nPress any key.....");
getch();
} |
the_stack_data/61076181.c | #include <stdio.h>
int main (int argc, char *argv[])
{
if (argc != 2)
{
printf("ERROR: Program must take ONE argument.\n");
return 1;
}
int i;
for (i=0; argv[1][i] != '\0'; i++)
{
char letter = argv[1][i];
switch(letter)
{
case 'a': //If 'a', jump here, no 'break' so continue to 'A'
case 'A':
printf("%2d: 'A'\n", i);
break;
case 'e': //fallthrough, a nice indication that this is on purpose
case 'E':
printf("%2d: 'E'\n", i);
break;
case 'o': //fallthrough
case 'O':
printf("%2d: 'O'\n", i);
break;
case 'u': //fallthrough
case 'U':
printf("%2d: 'U'\n", i);
break;
case 'y': //fallthrough
case 'Y':
if (i > 2)
{
printf("%2d: 'Y'\n",i);
}
break;
default: //ALWAYS have a default
printf("%2d: %c is not a vowel\n", i, letter);
}
}
return 0;
}
|
the_stack_data/24985.c | /* Example of using sigaction() to setup a signal handler
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#define __USE_GNU
#include <ucontext.h>
#include <signal.h>
#include <setjmp.h>
#include <sys/time.h>
static jmp_buf ctx;
static int locked;
// This function will handle a signal.
static void handle_sig(int sig, siginfo_t *info, void *context)
{
switch (sig)
{
case SIGBUS:
{
fputs("Catch a SIGBUS\n", stdout);
locked = 0;
break;
}
}
}
int register_sig(struct sigaction *sAct)
{
if (sigaction(SIGBUS, sAct, NULL) < 0) {
perror ("sigaction error: ");
return (-1);
}
return 1;
}
int testing(int myPID, struct sigaction *sAct)
{
/* START TESTING */
/* SIGBUS 7 */
locked = 1;
kill(myPID, SIGBUS);
//raise(SIGBUS);
while (locked) {}
return 1;
}
int main(int argc, char **argv)
{
struct sigaction sAct;
pid_t myPID;
memset(&sAct, 0, sizeof(sAct));
// Specify that we will use a signal handler that takes three arguments
// instead of one, which is the default.
sAct.sa_flags = SA_SIGINFO;
// Indicate which function is the signal handler.
sAct.sa_sigaction = handle_sig;
myPID = getpid();
printf("\nPID = %d\n", myPID);
register_sig(&sAct);
testing(myPID, &sAct);
printf("Exit\n");
return 0;
}
|
the_stack_data/183476.c | /*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* Yasushi SHOJI <[email protected]>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* EMPTY FILE */
|
the_stack_data/178264828.c | /* DataToC output of file <gpencil_fx_glow_prepare_frag_glsl> */
extern int datatoc_gpencil_fx_glow_prepare_frag_glsl_size;
extern char datatoc_gpencil_fx_glow_prepare_frag_glsl[];
int datatoc_gpencil_fx_glow_prepare_frag_glsl_size = 1595;
char datatoc_gpencil_fx_glow_prepare_frag_glsl[] = {
117,110,105,102,111,114,109, 32,109, 97,116, 52, 32, 80,114,111,106,101, 99,116,105,111,110, 77, 97,116,114,105,120, 59, 13, 10,117,110,105,102,111,114,109, 32,109, 97,116, 52, 32, 86,105,101,119, 77, 97,116,114,105,120, 59, 13, 10, 13, 10, 47, 42, 32, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 32, 42, 47, 13, 10, 47, 42, 32, 99,114,101, 97,116,101, 32,103,108,111,119, 32,109, 97,115,107, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 42, 47, 13, 10, 47, 42, 32, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 32, 42, 47, 13, 10,117,110,105,102,111,114,109, 32,115, 97,109,112,108,101,114, 50, 68, 32,115,116,114,111,107,101, 67,111,108,111,114, 59, 13, 10,117,110,105,102,111,114,109, 32,115, 97,109,112,108,101,114, 50, 68, 32,115,116,114,111,107,101, 68,101,112,116,104, 59, 13, 10, 13, 10,117,110,105,102,111,114,109, 32,118,101, 99, 51, 32,103,108,111,119, 95, 99,111,108,111,114, 59, 13, 10,117,110,105,102,111,114,109, 32,118,101, 99, 51, 32,115,101,108,101, 99,116, 95, 99,111,108,111,114, 59, 13, 10,117,110,105,102,111,114,109, 32,102,108,111, 97,116, 32,116,104,114,101,115,104,111,108,100, 59, 13, 10,117,110,105,102,111,114,109, 32,105,110,116, 32,109,111,100,101, 59, 13, 10, 13, 10,111,117,116, 32,118,101, 99, 52, 32, 70,114, 97,103, 67,111,108,111,114, 59, 13, 10, 13, 10, 35,100,101,102,105,110,101, 32, 77, 79, 68, 69, 95, 76, 85, 77, 73, 78, 65, 78, 67, 69, 32, 32, 32, 48, 13, 10, 35,100,101,102,105,110,101, 32, 77, 79, 68, 69, 95, 67, 79, 76, 79, 82, 32, 32, 32, 32, 32, 32, 32, 49, 13, 10, 13, 10, 47, 42, 32, 99, 97,108, 99, 32,108,117,109,105,110, 97,110, 99,101, 32, 42, 47, 13, 10,102,108,111, 97,116, 32,108,117,109, 97, 40, 32,118,101, 99, 51, 32, 99,111,108,111,114, 32, 41, 32,123, 13, 10, 9, 47, 42, 32,116,104,101, 32, 99,111,108,111,114, 32,105,115, 32,108,105,110,101, 97,114, 44, 32,115,111, 32,100,111, 32,110,111,116, 32, 97,112,112,108,121, 32,116,111,110,101,109, 97,112,112,105,110,103, 32, 42, 47, 13, 10, 9,114,101,116,117,114,110, 32, 40, 99,111,108,111,114, 46,114, 32, 43, 32, 99,111,108,111,114, 46,103, 32, 43, 32, 99,111,108,111,114, 46, 98, 41, 32, 47, 32, 51, 46, 48, 59, 13, 10,125, 13, 10, 13, 10, 98,111,111,108, 32, 99,104,101, 99,107, 95, 99,111,108,111,114, 40,118,101, 99, 51, 32, 99,111,108,111,114, 95, 97, 44, 32,118,101, 99, 51, 32, 99,111,108,111,114, 95, 98, 41, 13, 10,123, 13, 10, 32, 47, 42, 32,110,101,101,100, 32,114,111,117,110,100, 32,116,104,101, 32,110,117,109, 98,101,114, 32,116,111, 32, 97,118,111,105,100, 32,112,114,101, 99,105,115,105,111,110, 32,101,114,114,111,114,115, 32, 42, 47, 13, 10, 9,105,102, 32, 40, 40,102,108,111,111,114, 40, 99,111,108,111,114, 95, 97, 46,114, 32, 42, 32, 49, 48, 48, 41, 32, 61, 61, 32,102,108,111,111,114, 40, 99,111,108,111,114, 95, 98, 46,114, 32, 42, 32, 49, 48, 48, 41, 41, 32, 38, 38, 13, 10, 9, 9, 40,102,108,111,111,114, 40, 99,111,108,111,114, 95, 97, 46,103, 32, 42, 32, 49, 48, 48, 41, 32, 61, 61, 32,102,108,111,111,114, 40, 99,111,108,111,114, 95, 98, 46,103, 32, 42, 32, 49, 48, 48, 41, 41, 32, 38, 38, 13, 10, 9, 9, 40,102,108,111,111,114, 40, 99,111,108,111,114, 95, 97, 46, 98, 32, 42, 32, 49, 48, 48, 41, 32, 61, 61, 32,102,108,111,111,114, 40, 99,111,108,111,114, 95, 98, 46, 98, 32, 42, 32, 49, 48, 48, 41, 41, 41, 13, 10, 9, 9,123, 13, 10, 9, 9,114,101,116,117,114,110, 32,116,114,117,101, 59, 13, 10, 9, 9,125, 13, 10, 13, 10, 32,114,101,116,117,114,110, 32,102, 97,108,115,101, 59, 13, 10,125, 13, 10, 13, 10,118,111,105,100, 32,109, 97,105,110, 40, 41, 13, 10,123, 13, 10, 9,118,101, 99, 50, 32,117,118, 32, 61, 32,118,101, 99, 50, 40,103,108, 95, 70,114, 97,103, 67,111,111,114,100, 46,120,121, 41, 59, 13, 10, 13, 10, 9,102,108,111, 97,116, 32,115,116,114,111,107,101, 95,100,101,112,116,104, 32, 61, 32,116,101,120,101,108, 70,101,116, 99,104, 40,115,116,114,111,107,101, 68,101,112,116,104, 44, 32,105,118,101, 99, 50, 40,117,118, 46,120,121, 41, 44, 32, 48, 41, 46,114, 59, 13, 10, 9,118,101, 99, 52, 32,115,114, 99, 95,112,105,120,101,108, 61, 32,116,101,120,101,108, 70,101,116, 99,104, 40,115,116,114,111,107,101, 67,111,108,111,114, 44, 32,105,118,101, 99, 50, 40,117,118, 46,120,121, 41, 44, 32, 48, 41, 59, 13, 10, 9,118,101, 99, 52, 32,111,117,116, 99,111,108,111,114, 59, 13, 10, 13, 10, 9, 47, 42, 32,105,115, 32,116,114, 97,110,115,112, 97,114,101,110,116, 32, 42, 47, 13, 10, 9,105,102, 32, 40,115,114, 99, 95,112,105,120,101,108, 46, 97, 32, 61, 61, 32, 48, 46, 48,102, 41, 32,123, 13, 10, 9, 9,100,105,115, 99, 97,114,100, 59, 13, 10, 9,125, 13, 10, 13, 10, 9,105,102, 32, 40,109,111,100,101, 32, 61, 61, 32, 77, 79, 68, 69, 95, 76, 85, 77, 73, 78, 65, 78, 67, 69, 41, 32,123, 13, 10, 9, 9,105,102, 32, 40,108,117,109, 97, 40,115,114, 99, 95,112,105,120,101,108, 46,114,103, 98, 41, 32, 60, 32,116,104,114,101,115,104,111,108,100, 41, 32,123, 13, 10, 9, 9, 9,100,105,115, 99, 97,114,100, 59, 13, 10, 9, 9,125, 13, 10, 9,125, 13, 10, 9,101,108,115,101, 32,105,102, 32, 40,109,111,100,101, 32, 61, 61, 32, 77, 79, 68, 69, 95, 67, 79, 76, 79, 82, 41, 32,123, 13, 10, 9, 9,105,102, 32, 40, 33, 99,104,101, 99,107, 95, 99,111,108,111,114, 40,115,114, 99, 95,112,105,120,101,108, 46,114,103, 98, 44, 32,115,101,108,101, 99,116, 95, 99,111,108,111,114, 46,114,103, 98, 41, 41, 32,123, 13, 10, 9, 9, 9,100,105,115, 99, 97,114,100, 59, 13, 10, 9, 9,125, 13, 10, 9,125, 13, 10, 9,101,108,115,101, 32,123, 13, 10, 9, 9,100,105,115, 99, 97,114,100, 59, 13, 10, 9,125, 13, 10, 13, 10, 9,103,108, 95, 70,114, 97,103, 68,101,112,116,104, 32, 61, 32,115,116,114,111,107,101, 95,100,101,112,116,104, 59, 13, 10, 9, 70,114, 97,103, 67,111,108,111,114, 32, 61, 32,118,101, 99, 52, 40,103,108,111,119, 95, 99,111,108,111,114, 46,114,103, 98, 44, 32, 49, 46, 48, 41, 59, 13, 10,125, 13, 10,0
};
|
the_stack_data/26701660.c | int f(int x) {
if (x > 1) {
x = f(x-2);
x = x + 2;
}
if (x < 2) {
x = 0;
}
return x;
} |
the_stack_data/742108.c | // This file is part of CPAchecker,
// a tool for configurable software verification:
// https://cpachecker.sosy-lab.org
//
// SPDX-FileCopyrightText: 2007-2020 Dirk Beyer <https://www.sosy-lab.org>
//
// SPDX-License-Identifier: Apache-2.0
#include <stdlib.h>
typedef struct inner_node {
struct inner_node *next;
struct inner_node *prev;
int data;
} *DLL_inner;
typedef struct outer_node {
struct outer_node *next;
struct outer_node *prev;
struct inner_node *inner;
} *DLL_outer;
DLL_outer node_outer_create() {
DLL_outer temp = (DLL_outer) malloc(sizeof(struct outer_node));
temp->next = NULL;
temp->prev = NULL;
temp->inner = NULL;
return temp;
}
DLL_inner node_inner_create(int data) {
DLL_inner temp = (DLL_inner) malloc(sizeof(struct inner_node));
temp->next = NULL;
temp->prev = NULL;
temp->data = data;
return temp;
}
void dll_hierarchical_destroy(DLL_outer head) {
DLL_outer p = head->next;
while(head != p) {
DLL_inner p_inner = p->inner;
DLL_inner p_inner_next = p_inner->next;
while(p_inner != p_inner_next) {
DLL_inner q_inner_next = p_inner_next->next;
free(p_inner_next);
p_inner_next = q_inner_next;
}
free(p_inner);
DLL_outer q = p->next;
free(p);
p = q;
}
DLL_inner p_inner = head->inner;
DLL_inner p_inner_next = p_inner->next;
while(p_inner != p_inner_next) {
DLL_inner q_inner_next = p_inner_next->next;
free(p_inner_next);
p_inner_next = q_inner_next;
}
free(p_inner);
free(head);
}
int main(void) {
const int data = 5;
DLL_outer a = node_outer_create();
DLL_outer b = node_outer_create();
DLL_inner a_0 = node_inner_create(data);
DLL_inner a_1 = node_inner_create(data);
DLL_inner b_0 = node_inner_create(data);
DLL_inner b_1 = node_inner_create(data);
// connect inner nodes
a->inner = a_0;
a_0->next = a_1;
a_0->prev = a_1;
a_1->next = a_0;
a_1->prev = a_0;
b->inner = b_0;
b_0->next = b_1;
b_0->prev = b_1;
b_1->next = b_0;
b_1->prev = b_0;
// connect outer nodes
a->next = b;
a->prev = b;
b->next = a;
b->prev = a;
// remove external pointers
a_0 = NULL;
a_1 = NULL;
b_0 = NULL;
b_1 = NULL;
b = NULL;
dll_hierarchical_destroy(a);
return 0;
}
|
the_stack_data/67324192.c |
#include <stdio.h>
#include <stdlib.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/pkcs12.h>
/* Simple PKCS#12 file creator */
int main(int argc, char **argv)
{
FILE *fp;
EVP_PKEY *pkey;
X509 *cert;
PKCS12 *p12;
if (argc != 5) {
fprintf(stderr, "Usage: pkwrite infile password name p12file\n");
exit(1);
}
OpenSSL_add_all_algorithms();
ERR_load_crypto_strings();
if ((fp = fopen(argv[1], "r")) == NULL) {
fprintf(stderr, "Error opening file %s\n", argv[1]);
exit(1);
}
cert = PEM_read_X509(fp, NULL, NULL, NULL);
rewind(fp);
pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
fclose(fp);
p12 = PKCS12_create(argv[2], argv[3], pkey, cert, NULL, 0, 0, 0, 0, 0);
if (!p12) {
fprintf(stderr, "Error creating PKCS#12 structure\n");
ERR_print_errors_fp(stderr);
exit(1);
}
if ((fp = fopen(argv[4], "wb")) == NULL) {
fprintf(stderr, "Error opening file %s\n", argv[1]);
ERR_print_errors_fp(stderr);
exit(1);
}
i2d_PKCS12_fp(fp, p12);
PKCS12_free(p12);
fclose(fp);
return 0;
}
|
the_stack_data/144676.c | // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify -analyzer-config exploration_strategy=unexplored_first %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify -analyzer-config exploration_strategy=dfs %s
extern void clang_analyzer_eval(int);
typedef struct { char a; } b;
int c(b* input) {
int x = (input->a ?: input) ? 1 : 0; // expected-warning{{pointer/integer type mismatch}}
if (input->a) {
// FIXME: The value should actually be "TRUE",
// but is incorrect due to a bug.
clang_analyzer_eval(x); // expected-warning{{FALSE}}
} else {
clang_analyzer_eval(x); // expected-warning{{TRUE}}
}
return x;
}
|
the_stack_data/304424.c | /*
* Copyright (C) 2018 Davide Paro
*
* 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.
*/
#ifndef MAIN_C_INCLUDE
#define MAIN_C_INCLUDE
//#######################################################
#endif /* MAIN_C_INCLUDE */
#if !defined MAIN_C_IMPLEMENTED && defined MAIN_C_IMPL
#define MAIN_C_IMPLEMENTED
//#######################################################
#define UTILS_C_IMPL
#include "utils.c"
#define PLATFORM_C_IMPL
#include "platform.c"
#include <stdlib.h>
#include <stdio.h>
#define STB_DEFINE
#include <stb.h>
#include <stdlib.h>
#include <stdio.h>
static void
fatal(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
exit(-1);
}
#define MEMORY_C_IMPL
#include "memory.c"
#define TOKENIZER_C_IMPL
#include "tokenizer.c"
char *
load_file_null_terminate(FILE *f, size_t *file_size_out)
{
fseek(f, 0, SEEK_END);
size_t size = ftell(f);
fseek(f, 0, SEEK_SET);
char *buffer = xmalloc(size + 1); // Note 1 for null termination
assert(buffer);
size_t readsize = fread(buffer, 1, size, f);
if ( readsize != size ) {
fatal("Fatal error when reading file: File is %zu bytes big, but %zu bytes was read\n", size, readsize);
}
*file_size_out = size;
buffer[size] = 0;
return buffer;
}
void
log_token(Token *token, FILE *f)
{
fprintf(f, "%.*s", token->text_len, token->text);
}
enum meta_replacement_rule_type {
META_REPLACEMENT_RULE_NONE = 0,
META_REPLACEMENT_RULE_STACK = 0,
};
struct meta_replacement_rule {
enum meta_replacement_rule_type type;
// The rule that gets passed is the equivalent of `this` or `self`
void (*fn_replacement_rule)(FILE *f, Token *token, struct meta_replacement_rule *rule);
union {
// Stack replacement rule
struct {
char *stack_name;
char *stack_node_type_name;
bool stack_push_pointer;
char *stack_base_pointer_name;
char *stack_num_elems_name;
char *stack_max_elems_name;
};
};
};
struct meta_generate_infos_internal {
bool file_already_opened;
};
struct meta_generate_infos {
struct meta_replacement_rule rule;
char *input_path;
char *output_path;
struct meta_generate_infos_internal mgii; // Reserved CLEAR TO ZERO
};
bool
match_token(Token *token,
Token_Type type,
char *string )
{
if ( token->type != type ) return false;
return strncmp(string, token->text, token->text_len) == 0;
}
bool
match_meta_token(Token *t,
char *string )
{
return match_token(t, TT_META, string);
}
void
print_replaced_param(FILE *f,
Token *token,
char *replacer,
char *string_if_missing)
{
char *string;
bool print_token = false;
if ( replacer ) {
string = replacer;
} else if (string_if_missing) {
string = string_if_missing;
} else {
string = token->text;
print_token = true;
}
if (print_token) {
log_token(token, f);
} else {
fputs(string, f);
}
}
void stack_template_replace( FILE *f,
Token *token,
struct meta_replacement_rule *rule)
{
if (match_meta_token(token, "S")) {
print_replaced_param(f, token, rule->stack_name, "`MISSING NAME`");
} else if (match_meta_token(token, "T")) {
print_replaced_param(f, token, rule->stack_node_type_name, "`MISSING TYPE`");
} else if (match_meta_token(token, "ref")
|| match_meta_token(token, "deref")) {
if (rule->stack_push_pointer == true ) {
print_replaced_param(f, token, "*", "`CODE GEN: ERROR`");
} else {
print_replaced_param(f, token, "", "`CODE GEN: ERROR`");
}
} else if (match_meta_token(token, "base")) {
print_replaced_param(f, token, rule->stack_base_pointer_name, "base");
} else if (match_meta_token(token, "num_elems")) {
print_replaced_param(f, token, rule->stack_num_elems_name, "num_elems");
} else if (match_meta_token(token, "max_elems")) {
print_replaced_param(f, token, rule->stack_max_elems_name, "max_elems");
} else {
log_token(token, f);
}
}
struct meta_generate_infos mgi[] =
{
{ {.type = META_REPLACEMENT_RULE_STACK,
.fn_replacement_rule = & stack_template_replace,
.stack_name = "ast",
.stack_node_type_name = "struct ast_node",
.stack_push_pointer = true,
.stack_base_pointer_name = "nodes",
.stack_num_elems_name = "num_nodes",
.stack_max_elems_name = "max_nodes"},
"code-gen/templates/stack.template.c", "__generated__/ast.h",
{0}
},
{ {.type = META_REPLACEMENT_RULE_STACK,
.fn_replacement_rule = & stack_template_replace,
.stack_name = "ast_node_stack",
.stack_node_type_name = "struct ast_node",
.stack_push_pointer = true,
.stack_base_pointer_name = "nodes",
.stack_num_elems_name = "num_nodes",
.stack_max_elems_name = "max_nodes"},
"code-gen/templates/stack.template.c", "__generated__/ast_node_stack.h",
{0}
},
{ {.type = META_REPLACEMENT_RULE_STACK,
.fn_replacement_rule = & stack_template_replace,
.stack_name = "ast_node_ref_stack",
.stack_node_type_name = "struct ast_node *",
.stack_push_pointer = true,
.stack_base_pointer_name = "nodes",
.stack_num_elems_name = "num_nodes",
.stack_max_elems_name = "max_nodes"},
"code-gen/templates/stack.template.c", "__generated__/ast_node_stack_ref.h",
{0}
},
{ {.type = META_REPLACEMENT_RULE_STACK,
.fn_replacement_rule = & stack_template_replace,
.stack_name = "uint32_stack",
.stack_push_pointer = false,
.stack_node_type_name = "uint32_t",
.stack_base_pointer_name = "data",
.stack_num_elems_name = "num_elems",
.stack_max_elems_name = "max_elems"},
"code-gen/templates/stack.template.c", "__generated__/uint32-stack.h",
{0}
},
{ {.type = META_REPLACEMENT_RULE_STACK,
.fn_replacement_rule = & stack_template_replace,
.stack_name = "ast_node_child_parent_pair_stack",
.stack_push_pointer = true,
.stack_node_type_name = "struct ast_node_child_parent_pair",
.stack_base_pointer_name = "pairs",
.stack_num_elems_name = "num_pairs",
.stack_max_elems_name = "max_pairs"},
"code-gen/templates/stack.template.c", "__generated__/ast-node-child-parent-pair-stack.h",
{0}
},
{0}
};
void
mgi_execute(void);
int
main (int argc, char ** argv)
{
platform_init();
mgi_execute();
# if 0
Tokenizer tknzr;
Token token = Empty_Token;
tokenizer_init_with_memmapped_file(&tknzr, "code-gen/templates/stack.template.c");
while( get_next_token(& tknzr, & token)) {
if ( tknzr.err ) {
fatal("Tokenizer parsing error: %s\n", tknzr.err_desc);
}
}
#endif
return 0;
}
static FILE *
mgi_output_file_handle(char *path)
{
struct meta_generate_infos *it = mgi;
for (it = mgi; it->output_path != 0; it++) {
if ( strcmp(path, it->output_path) == 0 ) {
if ( it->mgii.file_already_opened) {
return fopen(path, "a"); // already opened append to it
} else {
it->mgii.file_already_opened = true;
return fopen(path, "w");
}
}
}
return NULL;
}
void
mgi_execute(void)
{
struct meta_generate_infos *it = mgi;
for (it = mgi; it->input_path != 0; it++) {
Tokenizer tknzr = {0};
Token token = Empty_Token;
if ( !it->input_path )
goto next_it;
FILE *input_file = fopen(it->input_path, "r");
if (!input_file) {
fprintf(stderr, "CODE-GEN: Failed reading input file: %s\n", it->input_path);
goto next_it;
}
if (!it->output_path) {
fprintf(stderr, "CODE-GEN: Input file %s, has no associated output file\n", it->input_path);
goto next_it;
}
FILE *output_file = mgi_output_file_handle(it->output_path);
if ( !output_file ) {
fprintf(stderr, "CODE-GEN: Output file %s failed to open\n", it->output_path);
goto next_it;
}
if (!it->rule.fn_replacement_rule) {
fprintf(stderr, "CODE-GEN: Warning `{}` has no valid replacement rule function pointer\n...Skipping\n ");
goto next_it;
}
size_t buffer_len;
char *buffer = load_file_null_terminate(input_file, &buffer_len);
tokenizer_init_from_memory(&tknzr, buffer, buffer_len);
while( get_next_token(& tknzr, & token)) {
if ( tknzr.err ) {
fatal("Tokenizer parsing error: %s\n", tknzr.err_desc);
}
it->rule.fn_replacement_rule(output_file, & token, &(it->rule));
}
next_it:
if (buffer)
free(buffer);
if (input_file)
fclose(input_file);
if (output_file)
fclose(output_file);
}
}
#endif /* MAIN_C_IMPL */
|
the_stack_data/150139573.c | /* Test for -Wtraditional warnings on escape characters.
Note, gcc should omit these warnings in system header files.
By Kaveh R. Ghazi <[email protected]> 8/22/2000. */
/* { dg-do compile } */
/* { dg-options "-Wtraditional" } */
void
testfunc ()
{
char c;
c = '\a'; /* { dg-warning "the meaning of" "escaped character warning " } */
c = '\x2'; /* { dg-warning "the meaning of" "escaped character warning " } */
c = '\n';
# 17 "sys-header.h" 3
/* We are in system headers now, no -Wtraditional warnings should issue. */
c = '\a';
c = '\x2';
c = '\n';
}
|
the_stack_data/85259.c | /**
******************************************************************************
* @file stm32l4xx_ll_dma.c
* @author MCD Application Team
* @brief DMA LL module driver.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
*
* 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 STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#if defined(USE_FULL_LL_DRIVER)
/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_ll_dma.h"
#include "stm32l4xx_ll_bus.h"
#ifdef USE_FULL_ASSERT
#include "stm32_assert.h"
#else
#define assert_param(expr) ((void)0U)
#endif
/** @addtogroup STM32L4xx_LL_Driver
* @{
*/
#if defined (DMA1) || defined (DMA2)
/** @defgroup DMA_LL DMA
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/** @addtogroup DMA_LL_Private_Macros
* @{
*/
#define IS_LL_DMA_DIRECTION(__VALUE__) (((__VALUE__) == LL_DMA_DIRECTION_PERIPH_TO_MEMORY) || \
((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_PERIPH) || \
((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_MEMORY))
#define IS_LL_DMA_MODE(__VALUE__) (((__VALUE__) == LL_DMA_MODE_NORMAL) || \
((__VALUE__) == LL_DMA_MODE_CIRCULAR))
#define IS_LL_DMA_PERIPHINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_PERIPH_INCREMENT) || \
((__VALUE__) == LL_DMA_PERIPH_NOINCREMENT))
#define IS_LL_DMA_MEMORYINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_MEMORY_INCREMENT) || \
((__VALUE__) == LL_DMA_MEMORY_NOINCREMENT))
#define IS_LL_DMA_PERIPHDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_PDATAALIGN_BYTE) || \
((__VALUE__) == LL_DMA_PDATAALIGN_HALFWORD) || \
((__VALUE__) == LL_DMA_PDATAALIGN_WORD))
#define IS_LL_DMA_MEMORYDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_MDATAALIGN_BYTE) || \
((__VALUE__) == LL_DMA_MDATAALIGN_HALFWORD) || \
((__VALUE__) == LL_DMA_MDATAALIGN_WORD))
#define IS_LL_DMA_NBDATA(__VALUE__) ((__VALUE__) <= 0x0000FFFFU)
#if defined(DMAMUX1)
#define IS_LL_DMA_PERIPHREQUEST(__VALUE__) ((__VALUE__) <= 93U)
#else
#define IS_LL_DMA_PERIPHREQUEST(__VALUE__) (((__VALUE__) == LL_DMA_REQUEST_0) || \
((__VALUE__) == LL_DMA_REQUEST_1) || \
((__VALUE__) == LL_DMA_REQUEST_2) || \
((__VALUE__) == LL_DMA_REQUEST_3) || \
((__VALUE__) == LL_DMA_REQUEST_4) || \
((__VALUE__) == LL_DMA_REQUEST_5) || \
((__VALUE__) == LL_DMA_REQUEST_6) || \
((__VALUE__) == LL_DMA_REQUEST_7))
#endif /* DMAMUX1 */
#define IS_LL_DMA_PRIORITY(__VALUE__) (((__VALUE__) == LL_DMA_PRIORITY_LOW) || \
((__VALUE__) == LL_DMA_PRIORITY_MEDIUM) || \
((__VALUE__) == LL_DMA_PRIORITY_HIGH) || \
((__VALUE__) == LL_DMA_PRIORITY_VERYHIGH))
#if defined (DMA2)
#if defined (DMA2_Channel6) && defined (DMA2_Channel7)
#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \
(((CHANNEL) == LL_DMA_CHANNEL_1) || \
((CHANNEL) == LL_DMA_CHANNEL_2) || \
((CHANNEL) == LL_DMA_CHANNEL_3) || \
((CHANNEL) == LL_DMA_CHANNEL_4) || \
((CHANNEL) == LL_DMA_CHANNEL_5) || \
((CHANNEL) == LL_DMA_CHANNEL_6) || \
((CHANNEL) == LL_DMA_CHANNEL_7))) || \
(((INSTANCE) == DMA2) && \
(((CHANNEL) == LL_DMA_CHANNEL_1) || \
((CHANNEL) == LL_DMA_CHANNEL_2) || \
((CHANNEL) == LL_DMA_CHANNEL_3) || \
((CHANNEL) == LL_DMA_CHANNEL_4) || \
((CHANNEL) == LL_DMA_CHANNEL_5) || \
((CHANNEL) == LL_DMA_CHANNEL_6) || \
((CHANNEL) == LL_DMA_CHANNEL_7))))
#else
#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \
(((CHANNEL) == LL_DMA_CHANNEL_1) || \
((CHANNEL) == LL_DMA_CHANNEL_2) || \
((CHANNEL) == LL_DMA_CHANNEL_3) || \
((CHANNEL) == LL_DMA_CHANNEL_4) || \
((CHANNEL) == LL_DMA_CHANNEL_5) || \
((CHANNEL) == LL_DMA_CHANNEL_6) || \
((CHANNEL) == LL_DMA_CHANNEL_7))) || \
(((INSTANCE) == DMA2) && \
(((CHANNEL) == LL_DMA_CHANNEL_1) || \
((CHANNEL) == LL_DMA_CHANNEL_2) || \
((CHANNEL) == LL_DMA_CHANNEL_3) || \
((CHANNEL) == LL_DMA_CHANNEL_4) || \
((CHANNEL) == LL_DMA_CHANNEL_5))))
#endif
#else
#define IS_LL_DMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) ((((INSTANCE) == DMA1) && \
(((CHANNEL) == LL_DMA_CHANNEL_1)|| \
((CHANNEL) == LL_DMA_CHANNEL_2) || \
((CHANNEL) == LL_DMA_CHANNEL_3) || \
((CHANNEL) == LL_DMA_CHANNEL_4) || \
((CHANNEL) == LL_DMA_CHANNEL_5) || \
((CHANNEL) == LL_DMA_CHANNEL_6) || \
((CHANNEL) == LL_DMA_CHANNEL_7))))
#endif
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup DMA_LL_Exported_Functions
* @{
*/
/** @addtogroup DMA_LL_EF_Init
* @{
*/
/**
* @brief De-initialize the DMA registers to their default reset values.
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @arg @ref LL_DMA_CHANNEL_ALL
* @retval An ErrorStatus enumeration value:
* - SUCCESS: DMA registers are de-initialized
* - ERROR: DMA registers are not de-initialized
*/
ErrorStatus LL_DMA_DeInit(DMA_TypeDef *DMAx, uint32_t Channel)
{
DMA_Channel_TypeDef *tmp = (DMA_Channel_TypeDef *)DMA1_Channel1;
ErrorStatus status = SUCCESS;
/* Check the DMA Instance DMAx and Channel parameters*/
assert_param(IS_LL_DMA_ALL_CHANNEL_INSTANCE(DMAx, Channel) || (Channel == LL_DMA_CHANNEL_ALL));
if (Channel == LL_DMA_CHANNEL_ALL)
{
if (DMAx == DMA1)
{
/* Force reset of DMA clock */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA1);
/* Release reset of DMA clock */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA1);
}
#if defined(DMA2)
else if (DMAx == DMA2)
{
/* Force reset of DMA clock */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA2);
/* Release reset of DMA clock */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA2);
}
#endif
else
{
status = ERROR;
}
}
else
{
tmp = (DMA_Channel_TypeDef *)(__LL_DMA_GET_CHANNEL_INSTANCE(DMAx, Channel));
/* Disable the selected DMAx_Channely */
CLEAR_BIT(tmp->CCR, DMA_CCR_EN);
/* Reset DMAx_Channely control register */
LL_DMA_WriteReg(tmp, CCR, 0U);
/* Reset DMAx_Channely remaining bytes register */
LL_DMA_WriteReg(tmp, CNDTR, 0U);
/* Reset DMAx_Channely peripheral address register */
LL_DMA_WriteReg(tmp, CPAR, 0U);
/* Reset DMAx_Channely memory address register */
LL_DMA_WriteReg(tmp, CMAR, 0U);
#if defined(DMAMUX1)
/* Reset Request register field for DMAx Channel */
LL_DMA_SetPeriphRequest(DMAx, Channel, LL_DMAMUX_REQ_MEM2MEM);
#else
/* Reset Request register field for DMAx Channel */
LL_DMA_SetPeriphRequest(DMAx, Channel, LL_DMA_REQUEST_0);
#endif /* DMAMUX1 */
if (Channel == LL_DMA_CHANNEL_1)
{
/* Reset interrupt pending bits for DMAx Channel1 */
LL_DMA_ClearFlag_GI1(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_2)
{
/* Reset interrupt pending bits for DMAx Channel2 */
LL_DMA_ClearFlag_GI2(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_3)
{
/* Reset interrupt pending bits for DMAx Channel3 */
LL_DMA_ClearFlag_GI3(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_4)
{
/* Reset interrupt pending bits for DMAx Channel4 */
LL_DMA_ClearFlag_GI4(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_5)
{
/* Reset interrupt pending bits for DMAx Channel5 */
LL_DMA_ClearFlag_GI5(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_6)
{
/* Reset interrupt pending bits for DMAx Channel6 */
LL_DMA_ClearFlag_GI6(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_7)
{
/* Reset interrupt pending bits for DMAx Channel7 */
LL_DMA_ClearFlag_GI7(DMAx);
}
else
{
status = ERROR;
}
}
return status;
}
/**
* @brief Initialize the DMA registers according to the specified parameters in DMA_InitStruct.
* @note To convert DMAx_Channely Instance to DMAx Instance and Channely, use helper macros :
* @arg @ref __LL_DMA_GET_INSTANCE
* @arg @ref __LL_DMA_GET_CHANNEL
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param DMA_InitStruct pointer to a @ref LL_DMA_InitTypeDef structure.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: DMA registers are initialized
* - ERROR: Not applicable
*/
ErrorStatus LL_DMA_Init(DMA_TypeDef *DMAx, uint32_t Channel, LL_DMA_InitTypeDef *DMA_InitStruct)
{
/* Check the DMA Instance DMAx and Channel parameters*/
assert_param(IS_LL_DMA_ALL_CHANNEL_INSTANCE(DMAx, Channel));
/* Check the DMA parameters from DMA_InitStruct */
assert_param(IS_LL_DMA_DIRECTION(DMA_InitStruct->Direction));
assert_param(IS_LL_DMA_MODE(DMA_InitStruct->Mode));
assert_param(IS_LL_DMA_PERIPHINCMODE(DMA_InitStruct->PeriphOrM2MSrcIncMode));
assert_param(IS_LL_DMA_MEMORYINCMODE(DMA_InitStruct->MemoryOrM2MDstIncMode));
assert_param(IS_LL_DMA_PERIPHDATASIZE(DMA_InitStruct->PeriphOrM2MSrcDataSize));
assert_param(IS_LL_DMA_MEMORYDATASIZE(DMA_InitStruct->MemoryOrM2MDstDataSize));
assert_param(IS_LL_DMA_NBDATA(DMA_InitStruct->NbData));
assert_param(IS_LL_DMA_PERIPHREQUEST(DMA_InitStruct->PeriphRequest));
assert_param(IS_LL_DMA_PRIORITY(DMA_InitStruct->Priority));
/*---------------------------- DMAx CCR Configuration ------------------------
* Configure DMAx_Channely: data transfer direction, data transfer mode,
* peripheral and memory increment mode,
* data size alignment and priority level with parameters :
* - Direction: DMA_CCR_DIR and DMA_CCR_MEM2MEM bits
* - Mode: DMA_CCR_CIRC bit
* - PeriphOrM2MSrcIncMode: DMA_CCR_PINC bit
* - MemoryOrM2MDstIncMode: DMA_CCR_MINC bit
* - PeriphOrM2MSrcDataSize: DMA_CCR_PSIZE[1:0] bits
* - MemoryOrM2MDstDataSize: DMA_CCR_MSIZE[1:0] bits
* - Priority: DMA_CCR_PL[1:0] bits
*/
LL_DMA_ConfigTransfer(DMAx, Channel, DMA_InitStruct->Direction | \
DMA_InitStruct->Mode | \
DMA_InitStruct->PeriphOrM2MSrcIncMode | \
DMA_InitStruct->MemoryOrM2MDstIncMode | \
DMA_InitStruct->PeriphOrM2MSrcDataSize | \
DMA_InitStruct->MemoryOrM2MDstDataSize | \
DMA_InitStruct->Priority);
/*-------------------------- DMAx CMAR Configuration -------------------------
* Configure the memory or destination base address with parameter :
* - MemoryOrM2MDstAddress: DMA_CMAR_MA[31:0] bits
*/
LL_DMA_SetMemoryAddress(DMAx, Channel, DMA_InitStruct->MemoryOrM2MDstAddress);
/*-------------------------- DMAx CPAR Configuration -------------------------
* Configure the peripheral or source base address with parameter :
* - PeriphOrM2MSrcAddress: DMA_CPAR_PA[31:0] bits
*/
LL_DMA_SetPeriphAddress(DMAx, Channel, DMA_InitStruct->PeriphOrM2MSrcAddress);
/*--------------------------- DMAx CNDTR Configuration -----------------------
* Configure the peripheral base address with parameter :
* - NbData: DMA_CNDTR_NDT[15:0] bits
*/
LL_DMA_SetDataLength(DMAx, Channel, DMA_InitStruct->NbData);
#if defined(DMAMUX1)
/*--------------------------- DMAMUXx CCR Configuration ----------------------
* Configure the DMA request for DMA Channels on DMAMUX Channel x with parameter :
* - PeriphRequest: DMA_CxCR[7:0] bits
*/
LL_DMA_SetPeriphRequest(DMAx, Channel, DMA_InitStruct->PeriphRequest);
#else
/*--------------------------- DMAx CSELR Configuration -----------------------
* Configure the DMA request for DMA instance on Channel x with parameter :
* - PeriphRequest: DMA_CSELR[31:0] bits
*/
LL_DMA_SetPeriphRequest(DMAx, Channel, DMA_InitStruct->PeriphRequest);
#endif /* DMAMUX1 */
return SUCCESS;
}
/**
* @brief Set each @ref LL_DMA_InitTypeDef field to default value.
* @param DMA_InitStruct Pointer to a @ref LL_DMA_InitTypeDef structure.
* @retval None
*/
void LL_DMA_StructInit(LL_DMA_InitTypeDef *DMA_InitStruct)
{
/* Set DMA_InitStruct fields to default values */
DMA_InitStruct->PeriphOrM2MSrcAddress = 0x00000000U;
DMA_InitStruct->MemoryOrM2MDstAddress = 0x00000000U;
DMA_InitStruct->Direction = LL_DMA_DIRECTION_PERIPH_TO_MEMORY;
DMA_InitStruct->Mode = LL_DMA_MODE_NORMAL;
DMA_InitStruct->PeriphOrM2MSrcIncMode = LL_DMA_PERIPH_NOINCREMENT;
DMA_InitStruct->MemoryOrM2MDstIncMode = LL_DMA_MEMORY_NOINCREMENT;
DMA_InitStruct->PeriphOrM2MSrcDataSize = LL_DMA_PDATAALIGN_BYTE;
DMA_InitStruct->MemoryOrM2MDstDataSize = LL_DMA_MDATAALIGN_BYTE;
DMA_InitStruct->NbData = 0x00000000U;
#if defined(DMAMUX1)
DMA_InitStruct->PeriphRequest = LL_DMAMUX_REQ_MEM2MEM;
#else
DMA_InitStruct->PeriphRequest = LL_DMA_REQUEST_0;
#endif /* DMAMUX1 */
DMA_InitStruct->Priority = LL_DMA_PRIORITY_LOW;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* DMA1 || DMA2 */
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
the_stack_data/919845.c | #include <math.h>
#include <stdlib.h>
#include <memory.h>
#include <stdio.h>
#include "omp.h"
/* C-OMP implementation of FGP-TV [1] denoising/regularization model (2D/3D case)
*
* Input Parameters:
* 1. Noisy image/volume [REQUIRED]
* 2. lambda - regularization parameter [REQUIRED]
* 3. Number of iterations [OPTIONAL parameter]
* 4. eplsilon: tolerance constant [OPTIONAL parameter]
* 5. TV-type: 'iso' or 'l1' [OPTIONAL parameter]
* 6. nonneg: 'nonnegativity (0 is OFF by default) [OPTIONAL parameter]
* 7. print information: 0 (off) or 1 (on) [OPTIONAL parameter]
* 8. P1 (dual variable from the previous outer iteration) [OPTIONAL parameter]
* 9. P2 (dual variable from the previous outer iteration) [OPTIONAL parameter]
*
* Output:
* [1] Filtered/regularized image
* [2] last function value
* [3] P1 (dual variable from the previous outer iteration) [if 8 is provided]
* [4] P2 (dual variable from the previous outer iteration) [if 9 is provided]
*
* Example of image denoising:
* figure;
* Im = double(imread('lena_gray_256.tif'))/255; % loading image
* u0 = Im + .05*randn(size(Im)); % adding noise
* u = FGP_TV(single(u0), 0.05, 100, 1e-04);
*
* to compile with OMP support: gcc -shared -Wall -std=c99 -Wl,-soname,FGP_TV -fopenmp -o FGP_TV.so -fPIC FGP_TV.c
* This function is based on the Matlab's code and paper by
* [1] Amir Beck and Marc Teboulle, "Fast Gradient-Based Algorithms for Constrained Total Variation Image Denoising and Deblurring Problems"
*
* D. Kazantsev, 2016-17
*
*/
float copyIm(float *A, float *B, int dimX, int dimY, int dimZ);
float Obj_func2D(float *A, float *D, float *R1, float *R2, float lambda, int dimX, int dimY);
float Grad_func2D(float *P1, float *P2, float *D, float *R1, float *R2, float lambda, int dimX, int dimY);
float Proj_func2D(float *P1, float *P2, int methTV, int dimX, int dimY);
float Rupd_func2D(float *P1, float *P1_old, float *P2, float *P2_old, float *R1, float *R2, float tkp1, float tk, int dimX, int dimY);
float Obj_func_CALC2D(float *A, float *D, float *funcvalA, float lambda, int dimX, int dimY);
void FGP_TV(float *A, float lambda, int iter, float epsil, int methTV, int nonneg, int printM, int dimX, int dimY, int dimZ, float *D)
{
int ll, j, count;
float *D_old=NULL, *P1=NULL, *P2=NULL, *P1_old=NULL, *P2_old=NULL, *R1=NULL, *R2=NULL, tk, tkp1, re, re1;
//A = (float *) mxGetData(prhs[0]); /*noisy image (2D/3D) */
//lambda = (float) mxGetScalar(prhs[1]); /* regularization parameters */
//iter = 100; /* default iterations number */
//epsil = 0.0001; /* default tolerance constant */
//methTV = 0; /* default isotropic TV penalty */
//nonneg = 0; /* nonnegativity (0 is OFF by default) */
//printM = 0; /* print information (0 is 0FF by default) */
/*output function value (last iteration) */
// plhs[1] = mxCreateNumericMatrix(1, 1, mxSINGLE_CLASS, mxREAL);
//float *funcvalA = (float *) mxGetData(plhs[1]);
// if (mxGetClassID(prhs[0]) != mxSINGLE_CLASS) {mexErrMsgTxt("The input image must be in a single precision"); }
/* Handling Matlab output data*/
// dimX = dim_array[0]; dimY = dim_array[1]; dimZ = dim_array[2];
tk = 1.0f;
tkp1=1.0f;
count = 0;
// re_old = 0.0f;
D_old = (float*) calloc (dimY*dimX,sizeof(float));
P1 = (float*) calloc (dimY*dimX,sizeof(float));
P2 = (float*) calloc (dimY*dimX,sizeof(float));
P1_old = (float*) calloc (dimY*dimX,sizeof(float));
P2_old = (float*) calloc (dimY*dimX,sizeof(float));
R1 = (float*) calloc (dimY*dimX,sizeof(float));
R2 = (float*) calloc (dimY*dimX,sizeof(float));
/* begin iterations */
for(ll=0; ll<iter; ll++) {
/* computing the gradient of the objective function */
Obj_func2D(A, D, R1, R2, lambda, dimX, dimY);
if (nonneg == 1) {
/* apply nonnegativity */
for(j=0; j<dimX*dimY*dimZ; j++) {if (D[j] < 0.0f) D[j] = 0.0f;}
}
/*Taking a step towards minus of the gradient*/
Grad_func2D(P1, P2, D, R1, R2, lambda, dimX, dimY);
/* projection step */
Proj_func2D(P1, P2, methTV, dimX, dimY);
/*updating R and t*/
tkp1 = (1.0f + sqrt(1.0f + 4.0f*tk*tk))*0.5f;
Rupd_func2D(P1, P1_old, P2, P2_old, R1, R2, tkp1, tk, dimX, dimY);
/* calculate norm */
re = 0.0f; re1 = 0.0f;
for(j=0; j<dimX*dimY*dimZ; j++)
{
re += pow(D[j] - D_old[j],2);
re1 += pow(D[j],2);
}
re = sqrt(re)/sqrt(re1);
if (re < epsil) count++;
if (count > 4) {
// Obj_func_CALC2D(A, D, funcvalA, lambda, dimX, dimY);
break; }
/* check that the residual norm is decreasing */
// if (ll > 2) {
// if (re > re_old) {
// Obj_func_CALC2D(A, D, funcvalA, lambda, dimX, dimY);
// break; }}
//re_old = re;
/*printf("%f %i %i \n", re, ll, count); */
/*storing old values*/
copyIm(D, D_old, dimX, dimY, dimZ);
copyIm(P1, P1_old, dimX, dimY, dimZ);
copyIm(P2, P2_old, dimX, dimY, dimZ);
tk = tkp1;
/* calculating the objective function value */
//if (ll == (iter-1)) Obj_func_CALC2D(A, D, funcvalA, lambda, dimX, dimY);
}
if (nonneg == 1) {
/* apply nonnegativity */
for(j=0; j<dimX*dimY*dimZ; j++) {if (D[j] < 0.0f) D[j] = 0.0f;}
}
// if (printM == 1) printf("FGP-TV iterations stopped at iteration %i with the function value %f \n", ll, funcvalA[0]);
free(D_old);free(P1);free(P2);free(R1);free(R2);free(P1_old);free(P2_old);
}
float Obj_func_CALC2D(float *A, float *D, float *funcvalA, float lambda, int dimX, int dimY)
{
int i,j;
float f1, f2, val1, val2;
/*data-related term */
f1 = 0.0f;
for(i=0; i<dimX*dimY; i++) f1 += pow(D[i] - A[i],2);
/*TV-related term */
f2 = 0.0f;
for(i=0; i<dimX; i++) {
for(j=0; j<dimY; j++) {
/* boundary conditions */
if (i == dimX-1) {val1 = 0.0f;} else {val1 = A[(i+1)*dimY + (j)] - A[(i)*dimY + (j)];}
if (j == dimY-1) {val2 = 0.0f;} else {val2 = A[(i)*dimY + (j+1)] - A[(i)*dimY + (j)];}
f2 += sqrt(pow(val1,2) + pow(val2,2));
}}
/* sum of two terms */
funcvalA[0] = 0.5f*f1 + lambda*f2;
return *funcvalA;
}
float Obj_func2D(float *A, float *D, float *R1, float *R2, float lambda, int dimX, int dimY)
{
float val1, val2;
int i, j;
#pragma omp parallel for shared(A,D,R1,R2) private(i,j,val1,val2)
for (i = 0; i<dimX; i++) {
for (j = 0; j<dimY; j++) {
/* boundary conditions */
if (i == 0) { val1 = 0.0f; }
else { val1 = R1[(i - 1)*dimY + (j)]; }
if (j == 0) { val2 = 0.0f; }
else { val2 = R2[(i)*dimY + (j - 1)]; }
D[(i)*dimY + (j)] = A[(i)*dimY + (j)] - lambda*(R1[(i)*dimY + (j)] + R2[(i)*dimY + (j)] - val1 - val2);
}
}
return *D;
}
float Grad_func2D(float *P1, float *P2, float *D, float *R1, float *R2, float lambda, int dimX, int dimY)
{
float val1, val2, multip;
int i, j;
multip = (1.0f / (8.0f*lambda));
#pragma omp parallel for shared(P1,P2,D,R1,R2,multip) private(i,j,val1,val2)
for (i = 0; i<dimX; i++) {
for (j = 0; j<dimY; j++) {
/* boundary conditions */
if (i == dimX - 1) val1 = 0.0f; else val1 = D[(i)*dimY + (j)] - D[(i + 1)*dimY + (j)];
if (j == dimY - 1) val2 = 0.0f; else val2 = D[(i)*dimY + (j)] - D[(i)*dimY + (j + 1)];
P1[(i)*dimY + (j)] = R1[(i)*dimY + (j)] + multip*val1;
P2[(i)*dimY + (j)] = R2[(i)*dimY + (j)] + multip*val2;
}
}
return 1;
}
float Proj_func2D(float *P1, float *P2, int methTV, int dimX, int dimY)
{
float val1, val2, denom;
int i, j;
if (methTV == 0) {
/* isotropic TV*/
#pragma omp parallel for shared(P1,P2) private(i,j,denom)
for (i = 0; i<dimX; i++) {
for (j = 0; j<dimY; j++) {
denom = pow(P1[(i)*dimY + (j)], 2) + pow(P2[(i)*dimY + (j)], 2);
if (denom > 1) {
P1[(i)*dimY + (j)] = P1[(i)*dimY + (j)] / sqrt(denom);
P2[(i)*dimY + (j)] = P2[(i)*dimY + (j)] / sqrt(denom);
}
}
}
}
else {
/* anisotropic TV*/
#pragma omp parallel for shared(P1,P2) private(i,j,val1,val2)
for (i = 0; i<dimX; i++) {
for (j = 0; j<dimY; j++) {
val1 = fabs(P1[(i)*dimY + (j)]);
val2 = fabs(P2[(i)*dimY + (j)]);
if (val1 < 1.0f) { val1 = 1.0f; }
if (val2 < 1.0f) { val2 = 1.0f; }
P1[(i)*dimY + (j)] = P1[(i)*dimY + (j)] / val1;
P2[(i)*dimY + (j)] = P2[(i)*dimY + (j)] / val2;
}
}
}
return 1;
}
float Rupd_func2D(float *P1, float *P1_old, float *P2, float *P2_old, float *R1, float *R2, float tkp1, float tk, int dimX, int dimY)
{
int i, j;
float multip;
multip = ((tk - 1.0f) / tkp1);
#pragma omp parallel for shared(P1,P2,P1_old,P2_old,R1,R2,multip) private(i,j)
for (i = 0; i<dimX; i++) {
for (j = 0; j<dimY; j++) {
R1[(i)*dimY + (j)] = P1[(i)*dimY + (j)] + multip*(P1[(i)*dimY + (j)] - P1_old[(i)*dimY + (j)]);
R2[(i)*dimY + (j)] = P2[(i)*dimY + (j)] + multip*(P2[(i)*dimY + (j)] - P2_old[(i)*dimY + (j)]);
}
}
return 1;
}
/* General Functions */
/*****************************************************************/
/* Copy Image */
float copyIm(float *A, float *B, int dimX, int dimY, int dimZ)
{
int j;
#pragma omp parallel for shared(A, B) private(j)
for(j=0; j<dimX*dimY*dimZ; j++) B[j] = A[j];
return *B;
}
|
the_stack_data/64497.c | //
// main.c
// Dice_1
//
// Created by khanjan Vaidya on 17/09/19.
// Copyright © 2019 khanjan Vaidya. All rights reserved.
//
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main(int argc, const char * argv[]) {
printf("Welcome to dice game the simplest dice roll you can do!\n");
printf("Enter the number of dice");
int n,i;
scanf("%d",&n);
printf("the no n dice are: ( ");
for(i=0;i<n;i++)
printf("%d ",(rand()%6));
printf(")");
return 0;
}
|
the_stack_data/231393974.c | /* OUR by Henrique Gogó <[email protected]>, 2021.
* MIT License */
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <stdlib.h>
Display *dpy;
Window root;
Atom NET_ACTIVE_WINDOW, NET_CLIENT_LIST;
void InterceptEvents() {
XEvent ev;
XNextEvent(dpy, &ev);
if (ev.type == MapNotify && !ev.xmap.override_redirect) {
Window win = ev.xmap.window;
XChangeProperty(dpy, root, NET_CLIENT_LIST, XA_WINDOW, 32, PropModeAppend, (unsigned char *) &(win), 1);
} else if (ev.type == UnmapNotify) {
//XDeleteProperty(dpy, root, NET_CLIENT_LIST);
} else if (ev.type == FocusIn && ev.xfocus.window) {
XChangeProperty(dpy, root, NET_ACTIVE_WINDOW, XA_WINDOW, 32, PropModeReplace,
(unsigned char *) &(ev.xfocus.window), 1);
} else if (ev.type == FocusOut) {
XDeleteProperty(dpy, root, NET_ACTIVE_WINDOW);
}
}
int main() {
if (!(dpy = XOpenDisplay(NULL))) return 1;
NET_ACTIVE_WINDOW = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
NET_CLIENT_LIST = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
XSelectInput(dpy, root = XDefaultRootWindow(dpy), SubstructureNotifyMask|FocusChangeMask);
XDeleteProperty(dpy, root, NET_CLIENT_LIST);
XDeleteProperty(dpy, root, NET_ACTIVE_WINDOW);
for(;;) InterceptEvents();
}
|
the_stack_data/117327305.c | /*
gpio.c
Copyright (c) 2015, Jeremiah LaRocco <[email protected]>
Permission to use, copy, modify, and/or 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.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
The simplest possible GPIO library.
*/
#include <stdio.h>
/*
Whether a pin is being used for input or output.
*/
enum pin_direction {in, out};
/*
Turn on a pin
*/
void enable_pin(int pn) {
FILE *outf = fopen("/sys/class/gpio/export", "wb");
fprintf(outf, "%d", pn);
fclose(outf);
}
/*
Turn off a pin
*/
void disable_pin(int pn) {
FILE *outf = fopen("/sys/class/gpio/unexport", "wb");
fprintf(outf, "%d", pn);
fclose(outf);
}
/*
Set the direction of the specified pin
*/
void set_direction(int pn, enum pin_direction direction) {
static char* dirs[] = {"in", "out"};
char buffer[256] = {'\0'};
snprintf(buffer, 255, "/sys/class/gpio/gpio%d/direction", pn);
FILE *outf = fopen(buffer, "wb");
fprintf(outf, dirs[direction]);
fclose(outf);
}
/*
Set the value of the specified pin.
value == 0 turns off the signal
value != 0 turns on the signal
*/
void set_pin(int pn, int value) {
char buffer[256] = {'\0'};
snprintf(buffer, 255, "/sys/class/gpio/gpio%d/value", pn);
FILE *outf = fopen(buffer, "wb");
fprintf(outf, "%d", value);
fclose(outf);
}
/*
Read the value of the specified pin.
Returns 0 if the pin is not set
Returns 1 otherwise
*/
int get_pin(int pn) {
char buffer[256] = {'\0'};
snprintf(buffer, 255, "/sys/class/gpio/gpio%d/value", pn);
FILE *inf = fopen(buffer, "rb");
int rval=0;
fscanf(inf, "%d", &rval);
fclose(inf);
return rval;
}
|
the_stack_data/165767632.c | #include <math.h>
/*--------------------------------------------------------------*/
double SFR_4Gyr(double x)
/*--------------------------------------------------------------*
TableCurve Function: F:\\BACKUP\\Documents\\!SCHOOL\\Masters\\SFH- inside out formation\\4Gyr.c Dec 7, 2010 6:36:26 PM
C:\\Program Files\\TableCurve2Dv5.01\\CLIPBRD.PRN
X= Radius
Y= SFH
Eqn# 7906 y=(a+cx+ex^2+gx^3)/(1+bx+dx^2+fx^3+hx^4) [NL]
r2=0.9999979322249028
r2adj=0.9999834577992232
StdErr=0.1062480163602319
Fstat=69087.22697187513
a= 25.0000857762672
b= -1.390340337091825
c= -9.054965188563038
d= 0.8512092232004652
e= 1.442639642403878
f= -0.2153441188575952
g= -0.06471510327703358
h= 0.01996125359213152
*--------------------------------------------------------------*/
{
double y;
y=(25.00008577626720+x*(-9.054965188563038+
x*(1.442639642403878+x*-0.06471510327703358)))/
(1.0+x*(-1.390340337091825+x*(0.8512092232004652+
x*(-0.2153441188575952+x*0.01996125359213152))));
return(y);
}
|
the_stack_data/42059.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *readline(FILE *file) {
char *string = 0;
int pos = 0;
do {
string = (char *) realloc(string,(pos + 1)*sizeof(char));
string[pos] = (char) fgetc(file);
string[pos] = (string[pos]=='$')?'\n':string[pos];
} while ((string[pos++] != '\n') && !feof(file));
string[--pos] = '\0';
return string;
}
char *substring(const char *string,int init,int end){
char *storage = calloc(end - init + 1,sizeof(char));
for (int i = 0; i <= end - init; ++i) {
storage[i] = string[i + init];
}
return storage;
}
char ** surname(char *name){//gera uma matriz de char com a seguintes informacoes:
// retorno[1] e` o nome sem o sobrenome
// retorno[0] e` o sobrenome removido
char **storage = calloc(2,sizeof(char *));
int lastSpace = 0;
int i;
for(i = 0; name[i]!='\0';i++){
if(name[i] == ' ')
lastSpace = i;
}
storage[0] = substring(name,lastSpace,i+1);
storage[1] = realloc(name, lastSpace+1);
return storage;
}
int main() {
char **names = calloc(1,sizeof(char));
int i;
for (i = 0;!feof(stdin);i++){//coleta todos os nomes
names = (i != 0)?realloc(names,(i + 1) * sizeof(char)):names;
names[i] = calloc(1,sizeof(char));
names[i] = readline(stdin);
}
for(int j = 0; j < i; j++){//Este for faz a troca dos sobrenomes
char *name1,*name2;
strcpy(name1,names[j]);
strcpy(name2,names[i-j]);
char **infos1,**infos2;
infos1 = surname(name1);
infos2 = surname(name2);
infos1[1] = realloc(infos1[1],(strlen(infos1[1])+strlen(infos2[0]))*sizeof(char));
infos2[1] = realloc(infos2[1],(strlen(infos2[1])+strlen(infos1[0]))*sizeof(char));
strcat(infos1[1],infos2[2]);
strcat(infos2[1],infos1[2]);
names[j] = infos1[1];
names[i-j] = infos2[1];
}
for(int j = 0; j < i; j++){
printf("%s\n",names[j]);
}
}
|
the_stack_data/107954220.c |
// 7-3 统计素数并求和 （20 分）
//本题要求统计给定整数M和N区间内素数的个数并对它们求和。
//
//输入格式:
//输入在一行中给出两个正整数M和N（1≤M≤N≤500）。
//
//输出格式:
//在一行中顺序输出M和N区间内素数的个数以及它们的和，数字间以空格分隔。
//
//输入样例:
//10 31
//输出样例:
//7 143
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
int* findPri(int begin,int end);
int* scanfmyself(int n);
int main() {
int* p = NULL;
int result = 0;
p = scanfmyself(2);
p = findPri(p[0], p[1]);
for(int i = 1; i <= p[0]; i++) {
result += p[i];
}
printf("%d %d", p[0], result);
}
//索性写一个专门接受整型的函数吧
//p是数组，n是我要输入的整型的数字
int* scanfmyself(int n) {
int *p = (int*)malloc(n * sizeof(int));
for(int i = 0; i < n; i++) {
scanf("%d", p+i);
}
return p;
}
//返回的数组0号元素为size，其他是素数
int* findPri(int begin,int end) {
int num = 0;
int* p = NULL; //数组记录素数
int size = 7;
p = (int*)malloc(size * sizeof(int));
p[0] = num;
if(begin != 2) {
begin = (begin%2 == 0||(begin == 1&&end != 1))?begin+1:begin;
}
if(begin == 2){
//when == 2
num = 1;
p[0] = 1;
p[1] = 2;
begin++;
}
for(int i = begin; i <= end && i > 2; i += 2) {
int flag = 1;
//从二开始，可以排除一
for(int j = 2; j <= sqrt(i); j++) {
if(i%j==0) {
flag = 0;
break;
}
}
if(flag == 1) {
num++;
if(size <= num) {
size *= 2;
p = (int*)realloc(p, size * sizeof(int));
}
p[0] = num;
p[num] = i; //记录素数
}
}
return p;
} |
the_stack_data/512200.c | // Currently the same thing as part1 lol
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#define CHILDREN_COUNT 5
typedef struct process
{
int pid;
int turn;
} Process;
Process* forkSimulated(Process* parent);
void childFunction(Process* process);
int iGlobalVariable = 0;
int iPidCounter = 0;
// flag for a process to change when accessing the "shared memory"
int bMemFlag = 0;
int main()
{
Process* children[CHILDREN_COUNT];
// The parent process, won't do anything but fork
Process* parent = (Process*)malloc(sizeof(Process));
parent->pid = iPidCounter;
for (int i = 0; i < CHILDREN_COUNT; i++)
{
iPidCounter++;
children[i] = forkSimulated(parent);
}
while (iGlobalVariable < 100)
{
childFunction(children[0]);
childFunction(children[1]);
childFunction(children[2]);
childFunction(children[3]);
childFunction(children[4]);
}
for (int i = 0; i < CHILDREN_COUNT; i++)
{
if (children[i])
{
free(children[i]);
}
}
return 0;
}
Process* forkSimulated(Process* parent)
{
Process* child = (Process*)malloc(sizeof(Process));
child->pid = parent->pid + iPidCounter;
return child;
}
void childFunction(Process* process)
{
// Is the shared memory being used by a different process?
if (bMemFlag == 1)
{
// Do nothing (for now..?)
}
else
{
// The shared memory is open for use
bMemFlag = 1;
iGlobalVariable++;
printf("Child with process ID: %d. Incremented Global to %d\n", process->pid, iGlobalVariable);
// We're done with our once increment turn so we
// turn the flag off
bMemFlag = 0;
}
}
|
the_stack_data/51699523.c | #include <stdio.h>
void bar() {
printf("bar\n");
}
|
the_stack_data/140766955.c | #include <stdio.h>
#include <stdbool.h>
#include <ctype.h>
#define MAX_CARACT 1000 //Máximo de caracteres em uma linha
#define TAM_ALF 26 //Quantidade de letras no alfabeto
int main(){
char frase[MAX_CARACT+1]; //+1 para incluir o '\0'
int n_frases;
int contador; //Conta a quantidade de letras do alfabeto presentes na frase
int i, j;
scanf("%d%*c", &n_frases);
for (i = 0; i < n_frases; i++)
{
scanf("%[^\n]%*c", frase);
bool tem_letra[TAM_ALF] = {false}; //Cada índice representa uma letra do alfabeto, e o valor
//(true ou false) indica se a letra está ou não na frase,
//sendo tem_letra[0] a letra 'a' e tem_letra[TAM_ALF-1] a letra 'z'
for (j = 0; frase[j] != '\0'; j++)
{
if (isalpha(frase[j])){
tem_letra[tolower(frase[j]) - 'a'] = true;
}
}
contador = 0;
for (j = 0; j < TAM_ALF; j++)
{
if (tem_letra[j]) contador++;
}
if (contador == TAM_ALF) puts("frase completa");
else if (contador >= TAM_ALF/2) puts("frase quase completa");
else puts("frase mal elaborada");
}
return 0;
} |
the_stack_data/68887611.c | // Check whether a string is Palindrome or not
#include<stdio.h>
#include<string.h>
int main(){
char name[50], temp;
printf("Enter the name : ");
gets(name);
// reverse = strrev(name);
int value=strcmp(name,strrev(name));
if(value == 0){
printf("The entered string is PALINDROME " );
}
else{
printf("The entered string is NOT a PALINDROME " );
}
return 0;
} |
the_stack_data/72012146.c | #include<stdio.h>
#include<stdlib.h>
struct node {
int value;
struct node *left;
struct node *right;
struct node *prev;
};
struct tree {
struct node *root;
int count;
};
struct node1 {
struct node *val;
struct node1 *next;
};
struct list {
struct node1 *head;
struct node1 *tail;
};
void init_(struct list* l) {
l->head = NULL;
l->tail = l->head;
}
void clear_(struct list* l) {
struct node1 *t = l->head;
while (t != NULL) {
struct node1 *tm = t;
t = t->next;
free(tm);
}
l->head = NULL;
l->tail = NULL;
}
int isEmpty(struct list* l) {
if (l->head!= NULL) {
return 1;
}
else
return 0;
}
int push_back(struct list* l, struct node* value) {
struct node1* t = (struct node1_*)malloc(sizeof(struct node1));
t->val = value;
t->next = NULL;
if (l->tail == NULL) {
l->tail = t;
l->head = l->tail;
}
else {
l->tail->next = t;
l->tail = t;
}
t = NULL;
return 0;
}
int remove_(struct list* l, struct node* value) {
struct node1* t = l->head;
struct node1* tmp;
if (t->val == value) {
l->head = t->next;
t = NULL;
return 0;
}
else
while (t != NULL && t->next != NULL) {
if (t->next->val == value && t->next->next != NULL) {
tmp = t->next;
t->next = t->next->next;
free(tmp);
t = NULL;
tmp = NULL;
return 0;
}
else
{
t = t->next;
}
}
if (t->next->next = NULL && t->val == value) {
tmp = t->next;
t->next = NULL;
l->tail = t;
free(tmp);
t = NULL;
tmp = NULL;
return 0;
}
t = NULL;
return 1;
}
void print_(struct list* l) {
struct node1* t = l->head;
while (t != NULL) {
if (t->val->value != 25565) {
struct node* t1 = t->val;
int u = t1->value;
if (t->next != NULL) {
printf("%d%c", u, ' ');
}
else {
printf("%d\n", u);
}
t = t->next;
}
else {
if (t->next != NULL) {
printf("%c ", '_');
}
else {
printf("%c\n", '_');
}
t = t->next;
}
}
t = NULL;
}
void init(struct tree* t) {
t->root = NULL;
t->count = 0;
}
void clear(struct tree* t) {
while (t->root->right != NULL || t->root->left != NULL) {
remov(t, t->root->value);
}
struct node* tmp = t->root;
free(tmp);
t->root = NULL;
t->count = 0;
}
int find(struct tree* t, int value, struct node** n) {
struct node* tmp = t->root;
for (;;) {
if (tmp != NULL) {
if(tmp->value==value){
if (n != NULL) {
*n = tmp;
}
tmp = NULL;
return 0;
}
else
if (tmp->value > value)
{
tmp = tmp->left;
}
else
{
tmp = tmp->right;
}
}
else {
return 1;
}
}
}
int insert(struct tree* t, int value) {
struct node* tmp= (struct node*)malloc(sizeof(struct node));
if (tmp == NULL) {
return 2;
}
tmp->value = value;
tmp->left = NULL;
tmp->right = NULL;
tmp->prev = NULL;
struct node* t2 = t->root;
if (t2 == NULL) {
t2 = tmp;
t->root = t2;
t->count++;
return 0;
}
for (;;) {
if (t2->value == value) {
return 1;
}
struct node* t3;
if (t2->value > value)
{
if (t2->left == NULL) {
t2->left = tmp;
t2->left->prev = t2;
tmp = NULL;
t->count++;
return 0;
}
else {
t3 = t2;
t2 = t2->left;
}
}
else
{
if (t2->right == NULL) {
t2->right = tmp;
t2->right->prev = t2;
tmp = NULL;
t->count++;
return 0;
}
else {
t2 = t2->right;
}
}
}
}
int remov(struct tree* t, int value) {
struct node* t2 = t->root;
if (t2 == NULL) {
return 1;
}
while (t2 != NULL) {
if (t2->value == value) {
if (t2->left != NULL && t2->right!= NULL) {
t2->value = removeMin(t2->right);
t->count--;
}
else if (t2->left!=NULL) {
struct node* tmp = t2;
if (tmp == t->root) {
t->root = t2->left;
}
t2->left->prev = t2->prev;
t2 = t2->left;
free(tmp);
tmp = NULL;
t->count--;
}
else if (t2->right != NULL) {
struct node* tmp = t2;
if (t2->prev == NULL) {
t->root->right->prev = NULL;
t->root = t2->right;
}
else {
t2->right->prev = t2->prev;
t2 = t2->right;
}
free(tmp);
tmp = NULL;
t->count--;
}
else {
if (t2->prev->left == t2) {
struct node* tmp = t2;
t2->prev->left = NULL;
free(tmp);
tmp = NULL;
t->count--;
}else{
struct node* tmp = t2;
t2->prev->right = NULL;
free(tmp);
tmp = NULL;
t->count--;
}
}
return 0;
}
if (t2->value > value) {
t2 = t2->left;
}
else {
t2 = t2->right;
}
}
return 1;
}
int removeMin(struct node* n) {
while (n->left != NULL) {
n = n->left;
}
int t= n->value;
if(n->right!=NULL && n->prev!=NULL){
n->prev->right = n->right;
n->right->prev = n->prev;
}
free(n);
return t;
}
int rotateRight(struct node* n) {
if (n->left == NULL) {
return 1;
}
struct node* tmp = n->left;
if (n->prev != NULL) {
if (n->prev->left == n) {
n->prev->left = tmp;
}
else {
n->prev->right = tmp;
}
}
tmp->prev = n->prev;
n->prev = tmp;
struct node* t1 = tmp->right;
tmp->right = n;
n->left = t1;
n = tmp;
return 0;
}
int rotateLeft(struct node* n) {
if (n->right == NULL) {
return 1;
}
struct node* tmp = n->right;
if (n->prev != NULL) {
if (n->prev->left == n) {
n->prev->left = tmp;
}
else {
n->prev->right = tmp;
}
}
tmp->prev = n->prev;
n->prev = tmp;
struct node* t1 = tmp->left;
tmp->left = n;
n->right = t1;
n = tmp;
return 0;
}
void print(struct node* n) {
struct list* l1=(struct list*)malloc(sizeof(struct list));
struct list* l2 = (struct list*)malloc(sizeof(struct list));
init_(l1);
init_(l2);
push_back(l1,n);
struct node* proch= (struct node*)malloc(sizeof(struct node));
proch->value = 25565;
proch->left = NULL;
proch->right = NULL;
int flag = 1;
for (;;) {
if (flag) {
print_(l1);
flag = 0;
}
else {
break;
}
while (isEmpty(l1)) {
struct node* tmp = l1->head->val;
remove_(l1, tmp);
if (tmp->right!=NULL || tmp->left!=NULL) {
flag=1;
}
if (tmp->left != NULL) {
push_back(l2, tmp->left);
}
else {
push_back(l2, proch);
}
if (tmp->right != NULL) {
push_back(l2, tmp->right);
}
else {
push_back(l2, proch);
}
}
struct list* l = l1;
l1 = l2;
l2 = l;
l2->head = NULL;
l2->tail = NULL;
l = NULL;
}
clear_(l1);
free(l1);
clear_(l2);
free(l2);
}
void printTree(struct tree* t) {
if (t->root != NULL) {
print(t->root);
}
else {
printf("-\n");
}
}
int main() {
struct tree* q = (struct tree*)malloc(sizeof(struct tree));
struct node* tmp = (struct node*)malloc(sizeof(struct node));
init(q);
int m;
for (int i = 0; i < 4; i++) {
scanf("%d", &m);
insert(q, m);
}
printTree(q);
for (int i = 0; i < 3; i++) {
scanf("%d", &m);
insert(q, m);
}
printTree(q);
for (int i = 0; i < 2; i++) {
scanf("%d", &m);
if (!find(q, m, &tmp)) {
if (tmp->prev != NULL) {
printf("%d%c", tmp->prev->value, ' ');
}
else {
printf("%c%c", '_', ' ');
}
if (tmp->left != NULL) {
printf("%d%c", tmp->left->value, ' ');
}
else
printf("%c%c", '_', ' ');
if (tmp->right != NULL) {
printf("%d\n", tmp->right->value);
}
else
printf("%c\n", '_');
}
else {
printf("-\n");
}
}
scanf("%d", &m);
remov(q, m);
printTree(q);
for (;;)
{
tmp = q->root->right;
if (rotateLeft(q->root)) break;
q->root = tmp;
}
printTree(q);
for (;;)
{
tmp = q->root->left;
if (rotateRight(q->root)) break;
q->root = tmp;
}
printTree(q);
printf("%d\n", q->count);
clear(q);
printTree(q);
free(q);
return 0;
}
|
the_stack_data/68886599.c | #define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
int a, b, stelle, bitstelle;
printf("Bitte geben sie eine Ganzzahl ein: ");
scanf("%i", &a);
printf("Bitte geben sie noch eine Ganzzahl ein: ");
scanf("%i", &b);
printf("Bitte geben sie eine zu pruefende Stelle ein: ");
scanf("%i", &stelle);
bitstelle = stelle << (stelle-1);
system("Pause");
return 0;
} |
the_stack_data/159515874.c | int main()
{
float a = 2, b = 3;
b *= a;
print("b 6.000000");
printid(b);
return 0;
}
|
the_stack_data/3261502.c | /*
* Copyright 2014 Broadcom Corporation.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* Early system init. Currently empty.
*/
void s_init(void)
{
}
|
the_stack_data/5012.c | // This file is part of CPAchecker,
// a tool for configurable software verification:
// https://cpachecker.sosy-lab.org
//
// SPDX-FileCopyrightText: 2007-2020 Dirk Beyer <https://www.sosy-lab.org>
//
// SPDX-License-Identifier: Apache-2.0
extern int __VERIFIER_nondet_int();
int isDivisible(int number, int divisor) {
while(!(number < 0)) { // FIX: while(number > 0) or while(!(number <= 0))
number -= divisor;
}
return 0 == number;
}
int gcd0(int min, int max){
for(int i = min; i >= 2; i--) {
if(isDivisible(max, i)) {
if(isDivisible(min, i)) {
return i;
}
}
}
return 1;
}
int gcd(int number1, int number2){
if(number1 <= 0 || number2 <= 0)
return -1;
if(number2 > number1) {
return gcd0(number1, number2);
}
return gcd0(number2, number1);
}
/**
* Calculate the GCD (greatest common divisor) of two positive whole numbers (0 excluded)
*/
int main(){
// Test input: GCD of 12 and 8 (= 4)
int number1 = 12;
int number2 = 8;
// "tmp" variables are a weakness of FL
// because setting result to the correct value will always work.
int result = gcd(number1, number2);
// There is no positive whole number solution for negative values or 0
if(result == -1)
goto EXIT;
// POST-CONDITION check if gcd(12,8) equals 4
if(result != 4)
goto ERROR;
EXIT: return 0;
ERROR: return 1;
}
|
the_stack_data/242330225.c | #define _BSD_SOURCE
#include <unistd.h>
int main(void) {
daemon(0,0);
return 64;
}
|
the_stack_data/79888.c | /* HAL raised several warnings, ignore them */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#ifdef STM32F0xx
#include "stm32f0xx_hal_rtc_ex.c"
#elif STM32F1xx
#include "stm32f1xx_hal_rtc_ex.c"
#elif STM32F2xx
#include "stm32f2xx_hal_rtc_ex.c"
#elif STM32F3xx
#include "stm32f3xx_hal_rtc_ex.c"
#elif STM32F4xx
#include "stm32f4xx_hal_rtc_ex.c"
#elif STM32F7xx
#include "stm32f7xx_hal_rtc_ex.c"
#elif STM32G0xx
#include "stm32g0xx_hal_rtc_ex.c"
#elif STM32G4xx
#include "stm32g4xx_hal_rtc_ex.c"
#elif STM32H7xx
#include "stm32h7xx_hal_rtc_ex.c"
#elif STM32L0xx
#include "stm32l0xx_hal_rtc_ex.c"
#elif STM32L1xx
#include "stm32l1xx_hal_rtc_ex.c"
#elif STM32L4xx
#include "stm32l4xx_hal_rtc_ex.c"
#elif STM32L5xx
#include "stm32l5xx_hal_rtc_ex.c"
#elif STM32MP1xx
#include "stm32mp1xx_hal_rtc_ex.c"
#elif STM32WBxx
#include "stm32wbxx_hal_rtc_ex.c"
#endif
#pragma GCC diagnostic pop
|
the_stack_data/37604.c | #include <stdlib.h>
#include <stdio.h>
struct node {
int* ptr;
};
int main() {
struct node f;
struct node* tmp;
tmp = &f;
int t = 3;
int* ptr = &t;
f.ptr = ptr;
if (*(tmp->ptr) != 3) {
goto ERROR;
}
printf ("SAFE\n");
return 0;
ERROR:
printf ("UNSAFE\n");
ERROR2:
goto ERROR2;
return 1;
}
|
the_stack_data/97012549.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ROZMIAR_BUF 4096
void dopisz(FILE *zrodlo, FILE *cel);
int main(int argc, char *argv[])
{
FILE *pd, *pz; //pd - docelowy, pz - dopisywany
int pliki = 0;
int ch;
if ((pd = fopen(argv[1], "a")) == NULL)
{
fprintf(stderr, "Blad otwarcia %s\n", argv[1]);
exit(EXIT_FAILURE);
}
if (setvbuf(pd, NULL, _IOFBF, ROZMIAR_BUF) != 0)
{
fputs("Nie mozna utworzyc bufora wyjsciowego\n", stderr);
exit(EXIT_FAILURE);
}
for (int i = 2; i < argc; i++)
{
if (strcmp(argv[1], argv[i]) == 0)
fputs("Nie mozna dopisac pliku do siebie\n",stderr);
else if ((pz = fopen(argv[i], "r")) == NULL)
fprintf(stderr, "Blad otwarcia pliku %s\n", argv[i]);
else
{
if (setvbuf(pz, NULL, _IOFBF, ROZMIAR_BUF) != 0)
{
fputs("Nie mozna utworzyc bufora wejsciowego\n",stderr);
continue;
}
dopisz(pz, pd);
if (ferror(pz) != 0)
fprintf(stderr,"Blad odczytu pliku %s\n", argv[1]);
if (ferror(pd) != 0)
fprintf(stderr,"Blad zapisu pliku %s\n", argv[i]);
fclose(pz);
pliki++;
printf("Plik %s dopisany.\n", argv[i]);
}
}
printf("Koniec. Dopisano %d plikow.\n", pliki);
fclose(pd);
pd = fopen(argv[1], "r");
printf("%s zawiera:\n", argv[1]);
while ((ch = getc(pd)) != EOF)
putchar(ch);
puts("Koniec.");
fclose(pd);
return 0;
}
void dopisz(FILE *zrodlo, FILE *cel)
{
size_t bajty;
static char temp[ROZMIAR_BUF];
while ((bajty = fread(temp, sizeof(char), ROZMIAR_BUF, zrodlo)) > 0)
fwrite(temp, sizeof (char), bajty, cel);
} |
the_stack_data/10142.c | //calculate difference between 2 time periods
#include <stdio.h>
struct TIME
{
int seconds;
int minutes;
int hours;
};
void differenceBetweenTimePeriod(struct TIME t1, struct TIME t2, struct TIME *diff);
int main()
{
struct TIME startTime, stopTime, diff;
printf("Enter start time: \n");
printf("Enter hours, minutes and seconds respectively: ");
scanf("%d %d %d", &startTime.hours, &startTime.minutes, &startTime.seconds);
printf("Enter stop time: \n");
printf("Enter hours, minutes and seconds respectively: ");
scanf("%d %d %d", &stopTime.hours, &stopTime.minutes, &stopTime.seconds);
differenceBetweenTimePeriod(startTime, stopTime, &diff);
printf("\nTIME DIFFERENCE: %d:%d:%d - ", startTime.hours, startTime.minutes, startTime.seconds);
printf("%d:%d:%d ", stopTime.hours, stopTime.minutes, stopTime.seconds);
printf("= %d:%d:%d\n", diff.hours, diff.minutes, diff.seconds);
return 0;
}
void differenceBetweenTimePeriod(struct TIME start, struct TIME stop, struct TIME *diff)
{
if(stop.seconds > start.seconds)
{
--start.minutes;
start.seconds += 60;
}
diff->seconds = start.seconds - stop.seconds;
if(stop.minutes > start.minutes){
--start.hours;
start.minutes += 60;
}
diff->minutes = start.minutes - stop.minutes;
diff->hours = start.hours - stop.hours;
}
|
the_stack_data/140764406.c | //@ ltl invariant negative: ((AP(x_7 - x_3 >= -6) R AP(x_3 - x_7 >= 0)) R AP(x_1 - x_4 > -16));
float x_0;
float x_1;
float x_2;
float x_3;
float x_4;
float x_5;
float x_6;
float x_7;
int main()
{
float x_0_;
float x_1_;
float x_2_;
float x_3_;
float x_4_;
float x_5_;
float x_6_;
float x_7_;
while(1) {
x_0_ = (((12.0 + x_0) > (2.0 + x_1)? (12.0 + x_0) : (2.0 + x_1)) > ((6.0 + x_6) > (11.0 + x_7)? (6.0 + x_6) : (11.0 + x_7))? ((12.0 + x_0) > (2.0 + x_1)? (12.0 + x_0) : (2.0 + x_1)) : ((6.0 + x_6) > (11.0 + x_7)? (6.0 + x_6) : (11.0 + x_7)));
x_1_ = (((11.0 + x_1) > (2.0 + x_4)? (11.0 + x_1) : (2.0 + x_4)) > ((20.0 + x_5) > (15.0 + x_6)? (20.0 + x_5) : (15.0 + x_6))? ((11.0 + x_1) > (2.0 + x_4)? (11.0 + x_1) : (2.0 + x_4)) : ((20.0 + x_5) > (15.0 + x_6)? (20.0 + x_5) : (15.0 + x_6)));
x_2_ = (((12.0 + x_1) > (20.0 + x_3)? (12.0 + x_1) : (20.0 + x_3)) > ((17.0 + x_6) > (16.0 + x_7)? (17.0 + x_6) : (16.0 + x_7))? ((12.0 + x_1) > (20.0 + x_3)? (12.0 + x_1) : (20.0 + x_3)) : ((17.0 + x_6) > (16.0 + x_7)? (17.0 + x_6) : (16.0 + x_7)));
x_3_ = (((17.0 + x_1) > (5.0 + x_3)? (17.0 + x_1) : (5.0 + x_3)) > ((18.0 + x_4) > (2.0 + x_5)? (18.0 + x_4) : (2.0 + x_5))? ((17.0 + x_1) > (5.0 + x_3)? (17.0 + x_1) : (5.0 + x_3)) : ((18.0 + x_4) > (2.0 + x_5)? (18.0 + x_4) : (2.0 + x_5)));
x_4_ = (((15.0 + x_1) > (3.0 + x_2)? (15.0 + x_1) : (3.0 + x_2)) > ((11.0 + x_3) > (1.0 + x_4)? (11.0 + x_3) : (1.0 + x_4))? ((15.0 + x_1) > (3.0 + x_2)? (15.0 + x_1) : (3.0 + x_2)) : ((11.0 + x_3) > (1.0 + x_4)? (11.0 + x_3) : (1.0 + x_4)));
x_5_ = (((11.0 + x_0) > (14.0 + x_2)? (11.0 + x_0) : (14.0 + x_2)) > ((20.0 + x_3) > (13.0 + x_4)? (20.0 + x_3) : (13.0 + x_4))? ((11.0 + x_0) > (14.0 + x_2)? (11.0 + x_0) : (14.0 + x_2)) : ((20.0 + x_3) > (13.0 + x_4)? (20.0 + x_3) : (13.0 + x_4)));
x_6_ = (((19.0 + x_0) > (7.0 + x_4)? (19.0 + x_0) : (7.0 + x_4)) > ((20.0 + x_5) > (2.0 + x_7)? (20.0 + x_5) : (2.0 + x_7))? ((19.0 + x_0) > (7.0 + x_4)? (19.0 + x_0) : (7.0 + x_4)) : ((20.0 + x_5) > (2.0 + x_7)? (20.0 + x_5) : (2.0 + x_7)));
x_7_ = (((19.0 + x_0) > (16.0 + x_1)? (19.0 + x_0) : (16.0 + x_1)) > ((12.0 + x_5) > (19.0 + x_6)? (12.0 + x_5) : (19.0 + x_6))? ((19.0 + x_0) > (16.0 + x_1)? (19.0 + x_0) : (16.0 + x_1)) : ((12.0 + x_5) > (19.0 + x_6)? (12.0 + x_5) : (19.0 + x_6)));
x_0 = x_0_;
x_1 = x_1_;
x_2 = x_2_;
x_3 = x_3_;
x_4 = x_4_;
x_5 = x_5_;
x_6 = x_6_;
x_7 = x_7_;
}
return 0;
}
|
the_stack_data/579699.c | #define triple(a) (3 * (a))
#define FOO 2
#if (FOO ? 0 : 1)
# error wrong
#endif
#if BAR == 0 && defined FOO && triple(1) == 3
int main() {
return 1;
}
#elif triple(0)
#error Not possible
#endif
#define T1 ((1 ? -1 : (0, 0u)) < 0)
#if T1
# error Should be false
#endif
|
the_stack_data/3263851.c | /* $OpenBSD: fcntl_dup.c,v 1.2 2003/07/31 21:48:08 deraadt Exp $ */
/*
* Written by Artur Grabowski <[email protected]> 2002 Public Domain.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#include <fcntl.h>
int
main(int argc, char *argv[])
{
int orgfd, fd1, fd2;
char temp[] = "/tmp/dup2XXXXXXXXX";
if ((orgfd = mkstemp(temp)) < 0)
err(1, "mkstemp");
remove(temp);
if (ftruncate(orgfd, 1024) != 0)
err(1, "ftruncate");
if ((fd1 = dup(orgfd)) < 0)
err(1, "dup");
/* Set close-on-exec */
if (fcntl(fd1, F_SETFD, 1) != 0)
err(1, "fcntl(F_SETFD)");
if ((fd2 = fcntl(fd1, F_DUPFD)) < 0)
err(1, "fcntl(F_DUPFD)");
/* Test 2: Was close-on-exec cleared? */
if (fcntl(fd2, F_GETFD) != 0)
errx(1, "fcntl(F_DUPFD) didn't clear close-on-exec");
return 0;
}
|
the_stack_data/616070.c | #include <stdio.h>
#include <string.h>
/*
SPTex 0.0
extract DSPs (ADPCM) from SPT/SPD, ignores PCM (until I see one I don't
know how to treat it)
by hcs
*/
// get 16-bit big endian value
int get16bit(unsigned char* p)
{
return (p[0] << 8) | p[1];
}
// get 32-bit big endian value
int get32bit(unsigned char* p)
{
return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
}
// make 16-bit big endian value
void make16bit(unsigned char* p, unsigned short i) {
p[1]=i;
p[0]=i>>8;
}
// make 32-bit big endian value
void make32bit(unsigned char* p, unsigned long i) {
p[3]=i;
p[2]=i>>8;
p[1]=i>>16;
p[0]=i>>24;
}
int main(int argc, char ** argv) {
FILE * sptfile, * spdfile, * outfile;
int filecount,i,j;
int part1idx; // part1=type, freq, loop points, size
int part2idx; // part2=coeffs, gain, init p/s, yn1, yn2
int part3idx; //
int part4idx; //
int dataoff,nextdataoff;
int type;
char outbuf[4],buf1[0x1C],buf2[0x2E];
char typename[30], namebase[513],*t,fname[513];
printf("SPTex 0.0\n\n");
if (argc!=3) {printf("usage: sptex bank.spt bank.spd\n"); return 1;}
if (!(sptfile=fopen(argv[1],"rb"))) {printf("failed to open %s\n",argv[1]); return 1;}
if (!(spdfile=fopen(argv[2],"rb"))) {printf("failed to open %s\n",argv[2]); return 1;}
// generate namebase
t=strrchr(argv[1],'\\');
if (!t) t=argv[1];
else t++;
for (i=0;t<strrchr(argv[1],'.');t++,i++) namebase[i]=*t;
namebase[i]='\0';
// get count
fread(buf1,1,4,sptfile);
filecount = get32bit(buf1);
printf("%d entries\n\n",filecount);
dataoff=0;
part1idx=4;
part2idx=part1idx+filecount*0x1c;
//part3idx=part2idx+filecount*0x2e;
//part4idx=part3idx+filecount*8;
for (i=0;i<filecount;i++) {
//for (i=0;i<10;i++) {
fseek(sptfile,part1idx,SEEK_SET);
fread(buf1,1,0x1c,sptfile);
fseek(sptfile,part2idx,SEEK_SET);
fread(buf2,1,0x2e,sptfile);
type=get32bit(buf1);
if (type&1) strcpy(typename,"looped ");
else strcpy(typename,"");
switch(type) {
case 0:
case 1:
strcat(typename,"ADPCM");
break;
case 2:
case 3:
strcat(typename,"16 bit PCM");
break;
case 4:
case 5:
strcat(typename,"8 bit PCM");
break;
default:
printf("unknown type in file %d\n",i);
return 1;
}
nextdataoff=get32bit(buf1+0x10)/2+1;
printf("file %d\n\ttype:\t%s\n\tfreq:\t%d\n\toffset:\t%#x\n\tsize\t%#x (%d)\n",i,typename,get32bit(buf1+4),dataoff,nextdataoff-dataoff,nextdataoff-dataoff);
// generate DSP
sprintf(fname,"%s%03d.dsp",namebase,i);
if (!(type&(~1))) {
if (!(outfile=fopen(fname,"wb"))) {printf("error opening %s\n",fname); return 1;}
// write number of samples
make32bit(outbuf,(nextdataoff-dataoff)*7/4);
fwrite(outbuf,1,4,outfile);
// write number of nibbles
make32bit(outbuf,(nextdataoff-dataoff)*2);
fwrite(outbuf,1,4,outfile);
// write srate
fwrite(buf1+4,1,4,outfile);
// loop
make16bit(outbuf,type&1);
fwrite(outbuf,1,2,outfile);
// format
make16bit(outbuf,0);
fwrite(outbuf,1,2,outfile);
// loop start offset
make32bit(outbuf,get32bit(buf1+8)-dataoff*2);
fwrite(outbuf,1,4,outfile);
// loop end offset
make32bit(outbuf,get32bit(buf1+12)-dataoff*2);
fwrite(outbuf,1,4,outfile);
// "current address"
make32bit(outbuf,2);
fwrite(outbuf,1,4,outfile);
// coeffs, gain, init predictor/scale, loop too?
fwrite(buf2,1,0x2e,outfile);
// padding
fseek(outfile,0x60,SEEK_SET);
// ADPCM data
fseek(spdfile,dataoff,SEEK_SET);
for (j=dataoff;j<nextdataoff;j++) {
fread(outbuf,1,1,spdfile);
fwrite(outbuf,1,1,outfile);
}
fclose(outfile);
} else printf("not ADPCM, skipping\n");
printf("\n");
dataoff=(nextdataoff+7)/8*8;
part1idx+=0x1c;
part2idx+=0x2e;
}
fclose(sptfile);
fclose(spdfile);
return 0;
}
|
the_stack_data/456222.c | #include<stdio.h>
#include<stdbool.h>
// Sorting and compare duplicates but it not working
// Time = O(n**2) and space = O(1) for calculate slen
bool isunique1(char* s){
int n = sizeof(s)/sizeof(s[0]);
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
if(s[i] == s[j]){
return false;
}
}
}
return true;
}
void merge(char* s, int low, int mid, int high){
int i, j,k;
int n1 = mid-(low+1);
int n2 = high-mid;
int left[n1], right[n2];
for(int i=0;i<n1;i++){
left[i] = s[low+i];
}
for(int j=0;j<n2;j++){
right[j] =s[mid+1+j];
}
i=0,j=0,k=low;
while(i<n1 && j<n2){
if(left[i]<=right[j]){
s[k] = left[i];
i++;
k++;
}else{
s[k] = right[j];
j++;
k++;
}
}
// sort remaining
while(j<n2){
s[k] = right[j];
j++;
k++;
}
}
// MergeSort
void mergeSort(char* s, int low , int high){
if(low<high){
int mid = (low+high)/2;
mergeSort(s, low, mid);
mergeSort(s, mid+1, high);
// Merge all elements
merge(s, low, mid, high);
}
}
bool isunique2(char* s){
int high = sizeof(s)/sizeof(s[0]);
// mergesort(strArray, low, high);
char t[high];
mergeSort(s, 0, high);
// printf("%s :", "san");
// for(int k=0;k<high;k++){
// printf("%c\t", s[k]);
// }
// Check consecutive element is same or not
for(int i=0;i<high-1;i++){
if(s[i] == s[i+1]){
return false;
}
}
return false;
}
// checked that given string has unique characters or not.
int main(){
// char s1[]="abcndjffdfff";
char s1[] ="abcc";
// bool res = isunique1(s1);
bool res = isunique2(s1);
// bool res =false;
if(res == true){
printf("str has unique Char\n");
}else{
printf("str has not unique Char \n");
}
return 0;
} |
the_stack_data/243893972.c | /*
* Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
void CC_PalWmb(void)
{
return;
}
void CC_PalRmb(void)
{
return;
}
|
the_stack_data/173578113.c | #include <stdlib.h>
wchar_t* lltow(long long _n, wchar_t * _w, int _i)
{ return _i64tow (_n, _w, _i); }
|
the_stack_data/28748.c | int main()
{
int a = 68;
int b = 5;
int c = a + b - 689 +98 -b;
return c;
} |
the_stack_data/76699747.c | #include <stdio.h>
#include <stdlib.h>
int main(void)
{
// Variables declaration
int n, sum = 0;
// Assigns the input to the corresponding variable
scanf("%d", &n);
// Allocates the necessary memory bytes for the array (n * 4 bytes)
int *arr = (int *)malloc(n * sizeof(int));
// Loop from 0 to n - 1
for (int i = 0; i < n; i++)
{
// Fills the array
scanf("%d", &arr[i]);
// Adds the content of the array to sum
sum += arr[i];
}
// Prints sum content
printf("%d\n", sum);
// Frees the memory used by arr
free(arr);
// Returns successful exit status
return (0);
}
|
the_stack_data/9512836.c | /*numPass=6, numTotal=6
Verdict:ACCEPTED, Visibility:1, Input:"1 0 0 1", ExpOutput:"(1.000,1.000)
", Output:"(1.000,1.000)"
Verdict:ACCEPTED, Visibility:1, Input:"1 0 1 0", ExpOutput:"INF
", Output:"INF"
Verdict:ACCEPTED, Visibility:1, Input:"-1.25 0 5 4", ExpOutput:"(-0.800,1.250)
", Output:"(-0.800,1.250)"
Verdict:ACCEPTED, Visibility:0, Input:"1 -2 -100 201", ExpOutput:"(203.000,101.000)
", Output:"(203.000,101.000)"
Verdict:ACCEPTED, Visibility:0, Input:"-1000 1 2000 -2", ExpOutput:"INF
", Output:"INF"
Verdict:ACCEPTED, Visibility:0, Input:"0 1 0.0000001 1", ExpOutput:"(-0.000,1.000)
", Output:"(-0.000,1.000)"
*/
#include<stdio.h>
int main()
{
float a1,b1,a2,b2;
scanf("%f %f %f %f",&a1,&b1,&a2,&b2);
if((a1*b2-a2*b1)==0)
printf("INF");
else
{
float a=(a1-a2)/(a1*b2-a2*b1);
float b=(b2-b1)/(a1*b2-a2*b1);
printf("(%.3f,%.3f)",b,a);
}
return 0;
} |
the_stack_data/82950036.c | /*
* Windows to Linux user mapping for ntfs-3g
*
*
* Copyright (c) 2007-2008 Jean-Pierre Andre
*
* A quick'n dirty program scanning owners of files in
* "c:\Documents and Settings" (and "c:\Users")
* and asking user to map them to Linux accounts
*
* History
*
* Sep 2007
* - first version, limited to Win32
*
* Oct 2007
* - ported to Linux (rewritten would be more correct)
*
* Nov 2007 Version 1.0.0
* - added more defaults
*
* Nov 2007 Version 1.0.1
* - avoided examining files whose name begin with a '$'
*
* Jan 2008 Version 1.0.2
* - moved user mapping file to directory .NTFS-3G (hidden for Linux)
* - fixed an error case in Windows version
*
* Nov 2008 Version 1.1.0
* - fixed recursions for account in Linux version
* - searched owner in c:\Users (standard location for Vista)
*
* May 2009 Version 1.1.1
* - reordered mapping records to limit usage of same SID for user and group
* - fixed decoding SIDs on 64-bit systems
* - fixed a pointer to dynamic data in mapping tables
* - fixed default mapping on Windows
* - fixed bug for renaming UserMapping on Windows
*
* May 2009 Version 1.1.2
* - avoided selecting DOS names on Linux
*
* Nov 2009 Version 1.1.3
* - shutdown compiler warnings for unused parameters
*
* Jan 2010 Version 1.1.4
* - fixed compilation problems for Mac OSX (Erik Larsson)
*/
/*
* 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 (in the main directory of the NTFS-3G
* distribution in the file COPYING); if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* General parameters which may have to be adapted to needs
*/
#ifdef HAVE_CONFIG_H
#define USESTUBS 1 /* API stubs generated at link time */
#else
#define USESTUBS 0 /* direct calls to API, based on following definitions */
#define ENVNTFS3G "NTFS3G"
#define LIBFILE64 "/lib64/libntfs-3g.so.491"
#define LIBFILE "/lib/libntfs-3g.so.491"
#endif
#define GET_FILE_SECURITY "ntfs_get_file_security"
#define SET_FILE_SECURITY "ntfs_set_file_security"
#define READ_DIRECTORY "ntfs_read_directory"
#define INIT_FILE_SECURITY "ntfs_initialize_file_security"
#define LEAVE_FILE_SECURITY "ntfs_leave_file_security"
#define VERSION "1.1.4"
#define MAPDIR ".NTFS-3G"
#define MAPFILE "UserMapping"
#define MAXATTRSZ 2048
#define MAXSIDSZ 80
#define MAXNAMESZ 256
#define OWNERS1 "Documents and Settings"
#define OWNERS2 "Users"
/*
* Define WIN32 for a Windows execution
* may have to be adapted to compiler or something else
*/
#ifndef WIN32
#if defined(__WIN32) | defined(__WIN32__) | defined(WNSC)
#define WIN32 1
#endif
#endif
#ifdef WIN32
#define BANNER "Generated by usermap for Windows, v " VERSION
#else
#define BANNER "Generated by usermap for Linux, v " VERSION
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
/*
* Define the security API according to platform
*/
#ifdef WIN32
#include <fcntl.h>
#include <windows.h>
#define STATIC
typedef enum { DENIED, AGREED } boolean;
#else
#include <unistd.h>
#include <dlfcn.h>
typedef enum { DENIED, AGREED } boolean, BOOL;
typedef unsigned int DWORD; /* must be 32 bits whatever the platform */
typedef DWORD *LPDWORD;
enum { OWNER_SECURITY_INFORMATION = 1,
GROUP_SECURITY_INFORMATION = 2,
DACL_SECURITY_INFORMATION = 4,
SACL_SECURITY_INFORMATION = 8
} ;
struct CALLBACK {
const char *accname;
const char *dir;
int levels;
int docset;
} ;
typedef int (*dircallback)(struct CALLBACK *context, char *ntfsname,
int length, int type, long long pos, unsigned long long mft_ref,
unsigned int dt_type);
#if USESTUBS
#define STATIC static
BOOL ntfs_get_file_security(void *scapi,
const char *path, DWORD selection,
char *buf, DWORD buflen, LPDWORD psize);
BOOL ntfs_set_file_security(void *scapi,
const char *path, DWORD selection, const char *attr);
BOOL ntfs_read_directory(void *scapi,
const char *path, dircallback callback, void *context);
void *ntfs_initialize_file_security(const char *device,
int flags);
BOOL ntfs_leave_file_security(void *scapi);
#else
#define STATIC
BOOL (*ntfs_get_file_security)(void *scapi,
const char *path, DWORD selection,
char *buf, DWORD buflen, LPDWORD psize);
BOOL (*ntfs_set_file_security)(void *scapi,
const char *path, DWORD selection, const char *attr);
BOOL (*ntfs_read_directory)(void *scapi,
const char *path, dircallback callback, void *context);
void *(*ntfs_initialize_file_security)(const char *device,
int flags);
BOOL (*ntfs_leave_file_security)(void *scapi);
#endif
STATIC boolean open_security_api(void);
STATIC boolean close_security_api(void);
STATIC boolean open_volume(const char *volume);
STATIC boolean close_volume(const char *volume);
#endif
struct MAPPING {
struct MAPPING *next;
const char *uidstr;
const char *gidstr;
const char *sidstr;
const unsigned char *sid;
const char *login;
boolean defined;
};
struct MAPPING *firstmapping;
struct MAPPING *lastmapping;
#ifdef WIN32
char *currentwinname;
char *currentdomain;
unsigned char *currentsid;
#endif
#ifndef WIN32
void *ntfs_handle;
void *ntfs_context = (void*)NULL;
/*
* Shut down compiler warnings for unused parameters
*/
static long unused(const void *p)
{
return ((long)p);
}
/*
* Open and close the security API (platform dependent)
*/
STATIC boolean open_security_api(void)
{
#if USESTUBS
return (AGREED);
#else
char *error;
boolean err;
const char *libfile;
err = AGREED;
libfile = getenv(ENVNTFS3G);
if (!libfile)
libfile = (sizeof(char*) == 8 ? LIBFILE64 : LIBFILE);
ntfs_handle = dlopen(libfile,RTLD_LAZY);
if (ntfs_handle) {
ntfs_initialize_file_security =
dlsym(ntfs_handle,INIT_FILE_SECURITY);
error = dlerror();
if (error)
fprintf(stderr," %s\n",error);
else {
ntfs_leave_file_security =
dlsym(ntfs_handle,LEAVE_FILE_SECURITY);
ntfs_get_file_security =
dlsym(ntfs_handle,GET_FILE_SECURITY);
ntfs_set_file_security =
dlsym(ntfs_handle,SET_FILE_SECURITY);
ntfs_read_directory =
dlsym(ntfs_handle,READ_DIRECTORY);
err = !ntfs_initialize_file_security
|| !ntfs_leave_file_security
|| !ntfs_get_file_security
|| !ntfs_set_file_security
|| !ntfs_read_directory;
if (error)
fprintf(stderr,"ntfs-3g API not available\n");
}
} else {
fprintf(stderr,"Could not open ntfs-3g library\n");
fprintf(stderr,"\nPlease set environment variable \"" ENVNTFS3G "\"\n");
fprintf(stderr,"to appropriate path and retry\n");
}
return (!err);
#endif
}
STATIC boolean close_security_api(void)
{
#if USESTUBS
return (0);
#else
return (!dlclose(ntfs_handle));
#endif
}
/*
* Open and close a volume (platform dependent)
* assuming a single volume needs to be opened at any time
*/
STATIC boolean open_volume(const char *volume)
{
boolean ok;
ok = DENIED;
if (!ntfs_context) {
ntfs_context = ntfs_initialize_file_security(volume,0);
if (ntfs_context) {
fprintf(stderr,"\"%s\" opened\n",volume);
ok = AGREED;
} else {
fprintf(stderr,"Could not open \"%s\"\n",volume);
fprintf(stderr,"Make sure \"%s\" is not mounted\n",volume);
}
} else
fprintf(stderr,"A volume is already open\n");
return (ok);
}
STATIC boolean close_volume(const char *volume)
{
boolean r;
r = ntfs_leave_file_security(ntfs_context);
if (r)
fprintf(stderr,"\"%s\" closed\n",volume);
else
fprintf(stderr,"Could not close \"%s\"\n",volume);
ntfs_context = (void*)NULL;
return (r);
}
/*
* A poor man's conversion of Unicode to UTF8
* We are assuming outputs to terminal expect UTF8
*/
STATIC void to_utf8(char *dst, const char *src, unsigned int cnt)
{
unsigned int ch;
unsigned int i;
for (i=0; i<cnt; i++) {
ch = *src++ & 255;
ch += (*src++ & 255) << 8;
if (ch < 0x80)
*dst++ = ch;
else
if (ch < 0x1000) {
*dst++ = 0xc0 + (ch >> 6);
*dst++ = 0x80 + (ch & 63);
} else {
*dst++ = 0xe0 + (ch >> 12);
*dst++ = 0x80 + ((ch >> 6) & 63);
*dst++ = 0x80 + (ch & 63);
}
}
*dst = 0;
}
STATIC int utf8_size(const char *src, unsigned int cnt)
{
unsigned int ch;
unsigned int i;
int size;
size = 0;
for (i=0; i<cnt; i++) {
ch = *src++ & 255;
ch += (*src++ & 255) << 8;
if (ch < 0x80)
size++;
else
if (ch < 0x1000)
size += 2;
else
size += 3;
}
return (size);
}
#endif
STATIC void welcome(void)
{
printf("\nThis tool will help you to build a mapping of Windows users\n");
printf("to Linux users.\n");
printf("Be prepared to give Linux user id (uid) and group id (gid)\n");
printf("for owners of files which will be selected.\n");
}
STATIC unsigned int get2l(const unsigned char *attr, int p)
{
int i;
unsigned int v;
v = 0;
for (i = 0; i < 2; i++)
v += (attr[p + i] & 255) << (8 * i);
return (v);
}
STATIC unsigned long get4l(const unsigned char *attr, int p)
{
int i;
unsigned long v;
v = 0;
for (i = 0; i < 4; i++)
v += (attr[p + i] & 255L) << (8 * i);
return (v);
}
STATIC unsigned long long get6h(const unsigned char *attr, int p)
{
int i;
unsigned long long v;
v = 0;
for (i = 0; i < 6; i++)
v = (v << 8) + (attr[p + i] & 255L);
return (v);
}
STATIC char *decodesid(const unsigned char *sid)
{
char *str;
int i;
unsigned long long auth;
unsigned long subauth;
str = (char *)malloc(MAXSIDSZ);
if (str) {
strcpy(str, "S");
sprintf(&str[strlen(str)], "-%d", sid[0]); /* revision */
auth = get6h(sid, 2);
#ifdef WIN32
sprintf(&str[strlen(str)], "-%I64u", auth); /* main authority */
#else
sprintf(&str[strlen(str)], "-%llu", auth); /* main authority */
#endif
for (i = 0; (i < 8) && (i < sid[1]); i++) {
subauth = get4l(sid, 8 + 4 * i);
sprintf(&str[strlen(str)], "-%lu", subauth); /* sub-authority */
}
}
return (str);
}
/*
* Test whether a generic group (S-1-5-21- ... -513)
*/
STATIC boolean isgenericgroup(const char *sid)
{
boolean yes;
yes = !strncmp(sid,"S-1-5-21-",9)
&& !strcmp(strrchr(sid,'-'),"-513");
return (yes);
}
STATIC unsigned char *makegroupsid(const unsigned char *sid)
{
static unsigned char groupsid[MAXSIDSZ];
int size;
size = 8 + 4*sid[1];
memcpy(groupsid, sid, size);
/* replace last level by 513 */
groupsid[size - 4] = 1;
groupsid[size - 3] = 2;
groupsid[size - 2] = 0;
groupsid[size - 1] = 0;
return (groupsid);
}
STATIC void domapping(const char *accname, const char *filename,
const unsigned char *sid, int type)
{
char buf[81];
char *sidstr;
char *idstr;
int sidsz;
boolean reject;
struct MAPPING *mapping;
char *login;
char *p;
if ((get6h(sid, 2) == 5) && (get4l(sid, 8) == 21)) {
sidstr = decodesid(sid);
mapping = firstmapping;
while (mapping && strcmp(mapping->sidstr, sidstr))
mapping = mapping->next;
if (mapping
&& (mapping->defined
|| !accname
|| !strcmp(mapping->login, accname)))
free(sidstr); /* decision already known */
else {
do {
reject = DENIED;
printf("\n");
if (accname)
printf("Under Windows login \"%s\"\n", accname);
printf(" file \"%s\" has no mapped %s\n",
filename,(type ? "group" : "owner"));
printf("By which Linux login should this file be owned ?\n");
printf("Enter %s of login, or just press \"enter\" if this file\n",
(type ? "gid" : "uid"));
printf("does not belong to a user, or you do not known to whom\n");
printf("\n");
if (type)
printf("Group : ");
else
printf("User : ");
p = fgets(buf, 80, stdin);
if (p && p[0] && (p[strlen(p) - 1] == '\n'))
p[strlen(p) - 1] = '\0';
if (p && p[0]
&& ((p[0] == '0') || !strcmp(p, "root"))) {
printf("Please do not map users to root\n");
printf("Administrators will be mapped automatically\n");
reject = AGREED;
}
if (reject)
printf("Please retry\n");
} while (reject);
if (!mapping) {
mapping =
(struct MAPPING *)
malloc(sizeof(struct MAPPING));
mapping->next = (struct MAPPING *)NULL;
mapping->defined = DENIED;
if (lastmapping)
lastmapping->next = mapping;
else
firstmapping = mapping;
lastmapping = mapping;
}
if (mapping) {
if (p && p[0]) {
idstr = (char *)malloc(strlen(p) + 1);
if (idstr) {
strcpy(idstr, p);
if (type) {
mapping->uidstr = "";
mapping->gidstr = idstr;
} else {
mapping->uidstr = idstr;
mapping->gidstr = idstr;
}
mapping->defined = AGREED;
}
}
mapping->sidstr = sidstr;
if (accname) {
login = (char*)malloc(strlen(accname) + 1);
if (login)
strcpy(login,accname);
mapping->login = login;
} else
mapping->login = (char*)NULL;
sidsz = 8 + sid[1]*4;
p = (char*)malloc(sidsz);
if (p) {
memcpy(p, sid, sidsz);
}
mapping->sid = (unsigned char*)p;
}
}
}
}
STATIC void listaclusers(const char *accname, const unsigned char *attr, int off)
{
int i;
int cnt;
int x;
cnt = get2l(attr, off + 4);
x = 8;
for (i = 0; i < cnt; i++) {
domapping(accname, (char *)NULL, &attr[off + x + 8], 2);
x += get2l(attr, off + x + 2);
}
}
#ifdef WIN32
STATIC void account(const char *accname, const char *dir, const char *name, int type)
{
unsigned char attr[MAXATTRSZ];
unsigned long attrsz;
char *fullname;
int attrib;
fullname = (char *)malloc(strlen(dir) + strlen(name) + 2);
if (fullname) {
strcpy(fullname, dir);
strcat(fullname, "\\");
strcat(fullname, name);
attrib = GetFileAttributes(fullname);
if (attrib & 0x10) { /* only directories processed */
if (GetFileSecurity
(fullname, OWNER_SECURITY_INFORMATION, attr, MAXATTRSZ,
&attrsz)) {
domapping(accname, name, &attr[20], 0);
attrsz = 0;
if (GetFileSecurity
(fullname, GROUP_SECURITY_INFORMATION, attr,
MAXATTRSZ, &attrsz))
domapping(accname, name, &attr[20], 1);
else
printf(" No group SID\n");
attrsz = 0;
if (GetFileSecurityA
(fullname, DACL_SECURITY_INFORMATION, attr,
MAXATTRSZ, &attrsz)) {
if (type == 0)
listaclusers(accname, attr, 20);
} else
printf
(" No discretionary access control list\n");
}
}
free(fullname);
}
}
#else
STATIC void account(const char *accname, const char *dir, const char *name, int type)
{
unsigned char attr[MAXATTRSZ];
DWORD attrsz;
char *fullname;
fullname = (char *)malloc(strlen(dir) + strlen(name) + 2);
if (fullname) {
strcpy(fullname, dir);
strcat(fullname, "/");
strcat(fullname, name);
if (ntfs_get_file_security(ntfs_context,
fullname, OWNER_SECURITY_INFORMATION,
(char*)attr, MAXATTRSZ, &attrsz)) {
domapping(accname, name, &attr[20], 0);
attrsz = 0;
if (ntfs_get_file_security(ntfs_context,
fullname, GROUP_SECURITY_INFORMATION,
(char*)attr, MAXATTRSZ, &attrsz))
domapping(accname, name, &attr[20], 1);
else
printf(" No group SID\n");
attrsz = 0;
if (ntfs_get_file_security(ntfs_context,
fullname, DACL_SECURITY_INFORMATION,
(char*)attr, MAXATTRSZ, &attrsz)) {
if (type == 0)
listaclusers(accname, attr, 20);
} else
printf(" No discretionary access control list for %s !\n",
dir);
}
free(fullname);
}
}
#endif
/*
* recursive search of file owners and groups in a directory
*/
#ifdef WIN32
STATIC boolean recurse(const char *accname, const char *dir, int levels)
{
WIN32_FIND_DATA found;
HANDLE search;
char *filter;
char *fullname;
boolean err;
err = DENIED;
filter = (char *)malloc(strlen(dir) + 5);
if (filter) {
strcpy(filter, dir);
strcat(filter, "\\*.*");
search = FindFirstFile(filter, &found);
if (search != INVALID_HANDLE_VALUE) {
do {
if (found.cFileName[0] != '.') {
account(accname, dir, found.cFileName,1);
if (levels > 0) {
fullname =
(char *)malloc(strlen(dir) +
strlen(found.cFileName)
+ 2);
if (fullname) {
strcpy(fullname, dir);
strcat(fullname, "\\");
strcat(fullname,
found.cFileName);
recurse(accname,
fullname,
levels - 1);
free(fullname);
}
}
}
} while (FindNextFile(search, &found));
FindClose(search);
}
free(filter);
} else {
printf("Directory %s not found\n",dir);
err = AGREED;
}
return (!err);
}
#else
STATIC boolean recurse(const char *accname, const char *dir, int levels, int docset);
STATIC int callback(struct CALLBACK *context, char *ntfsname,
int length, int type, long long pos, unsigned long long mft_ref,
unsigned int dt_type)
{
char *fullname;
char *accname;
char *name;
unused((void*)&pos);
unused((void*)&mft_ref);
unused((void*)&dt_type);
fullname = (char *)malloc(strlen(context->dir)
+ utf8_size(ntfsname, length) + 2);
if (fullname) {
if (strcmp(context->dir,"/")) {
strcpy(fullname, context->dir);
strcat(fullname, "/");
} else
strcpy(fullname,"/");
/* Unicode to ascii conversion by a lazy man */
name = &fullname[strlen(fullname)];
to_utf8(name, ntfsname, length);
/* ignore special files and DOS names */
if ((type != 2)
&& strcmp(name,".")
&& strcmp(name,"..")
&& (name[0] != '$')) {
switch (context->docset) {
case 2 :
/*
* only "Documents and Settings"
* or "Users"
*/
if (!strcmp(name,OWNERS1)
|| !strcmp(name,OWNERS2)) {
recurse((char*)NULL, fullname, 2, 1);
}
break;
/*
* within "Documents and Settings"
* or "Users"
*/
case 1 :
accname = (char*)malloc(strlen(name) + 1);
if (accname) {
strcpy(accname, name);
if (context->levels > 0)
recurse(name, fullname,
context->levels - 1, 0);
}
break;
/*
* not related to "Documents and Settings"
* or "Users"
*/
case 0 :
account(context->accname, context->dir,
name, 1);
if (context->levels > 0)
recurse(context->accname, fullname,
context->levels - 1, 0);
break;
}
}
free(fullname);
}
/* check expected return value */
return (0);
}
STATIC boolean recurse(const char *accname, const char *dir, int levels, int docset)
{
struct CALLBACK context;
boolean err;
err = DENIED;
context.dir = dir;
context.accname = accname;
context.levels = levels;
context.docset = docset;
ntfs_read_directory(ntfs_context,dir,callback,&context);
return (!err);
}
#endif
/*
* Search directory "Documents and Settings" for user accounts
*/
#ifdef WIN32
STATIC boolean getusers(const char *dir, int levels)
{
WIN32_FIND_DATA found;
HANDLE search;
char *filter;
char *fullname;
char *accname;
boolean err;
const char *docset;
/* first get files from "Documents and Settings" */
err = DENIED;
if (sizeof(OWNERS1) > sizeof(OWNERS2))
filter = (char *)malloc(strlen(dir) + strlen(OWNERS1) + 6);
else
filter = (char *)malloc(strlen(dir) + strlen(OWNERS2) + 6);
if (filter) {
docset = OWNERS1;
strcpy(filter, dir);
strcat(filter, "\\");
strcat(filter, docset);
strcat(filter, "\\*.*");
search = FindFirstFile(filter, &found);
/* if failed, retry with "Users" */
if (search == INVALID_HANDLE_VALUE) {
docset = OWNERS2;
strcpy(filter, dir);
strcat(filter, "\\");
strcat(filter, docset);
strcat(filter, "\\*.*");
search = FindFirstFile(filter, &found);
}
if (search != INVALID_HANDLE_VALUE) {
do {
if (found.cFileName[0] != '.') {
fullname =
(char *)malloc(strlen(dir)
+ strlen(docset)
+ strlen(found.cFileName) + 3);
accname = (char *)
malloc(strlen(found.cFileName) + 1);
if (fullname && accname) {
strcpy(accname,
found.cFileName);
strcpy(fullname, dir);
strcat(fullname, "\\");
strcat(fullname, docset);
strcat(fullname, "\\");
strcat(fullname,
found.cFileName);
recurse(accname, fullname, 2);
free(fullname);
}
}
} while (FindNextFile(search, &found));
FindClose(search);
} else {
printf("No subdirectory found in %s\\%s\n",dir,docset);
}
/* now search in other directories */
strcpy(filter, dir);
strcat(filter, "\\*.*");
search = FindFirstFile(filter, &found);
if (search != INVALID_HANDLE_VALUE) {
do {
if ((found.cFileName[0] != '.')
&& strcmp(found.cFileName,OWNERS1)
&& strcmp(found.cFileName,OWNERS2)) {
fullname =
(char *)malloc(strlen(dir)
+ strlen(found.cFileName) + 2);
if (fullname) {
strcpy(fullname, dir);
strcat(fullname, "\\");
strcat(fullname,
found.cFileName);
recurse((char*)NULL, fullname, 2);
free(fullname);
}
}
} while (FindNextFile(search, &found));
FindClose(search);
} else {
printf("No directory found in %s\n",dir);
err = AGREED;
}
}
return (!err);
}
#else
STATIC boolean getusers(const char *dir, int levels)
{
boolean err;
struct CALLBACK context;
printf("* Search for \"" OWNERS1 "\" and \"" OWNERS2 "\"\n");
err = DENIED;
context.dir = dir;
context.accname = (const char*)NULL;
context.levels = levels;
context.docset = 2;
ntfs_read_directory(ntfs_context,dir,callback,&context);
printf("* Search for other directories %s\n",dir);
context.docset = 0;
ntfs_read_directory(ntfs_context,dir,callback,&context);
return (!err);
}
#endif
#ifdef WIN32
/*
* Get the current login name (Win32 only)
*/
STATIC void loginname(boolean silent)
{
char *winname;
char *domain;
unsigned char *sid;
unsigned long namesz;
unsigned long sidsz;
unsigned long domainsz;
int nametype;
boolean ok;
int r;
ok = FALSE;
winname = (char*)malloc(MAXNAMESZ);
domain = (char*)malloc(MAXNAMESZ);
sid = (char*)malloc(MAXSIDSZ);
namesz = MAXNAMESZ;
domainsz = MAXNAMESZ;
sidsz = MAXSIDSZ;
if (winname
&& domain
&& sid
&& GetUserName(winname,&namesz)) {
winname[namesz] = '\0';
if (!silent)
printf("Your current user name is %s\n",winname);
nametype = 1;
r = LookupAccountName((char*)NULL,winname,sid,&sidsz,
domain,&domainsz,&nametype);
if (r) {
domain[domainsz] = '\0';
if (!silent)
printf("Your account domain is %s\n",domain);
ok = AGREED;
}
}
if (ok) {
currentwinname = winname;
currentdomain = domain;
currentsid = sid;
} else {
currentwinname = (char*)NULL;
currentdomain = (char*)NULL;
currentsid = (unsigned char*)NULL;
}
}
/*
* Minimal output on stdout
*/
boolean minimal(unsigned char *sid)
{
const unsigned char *groupsid;
boolean ok;
ok = DENIED;
if (sid) {
groupsid = makegroupsid(sid);
printf("# %s\n",BANNER);
printf("# For Windows account \"%s\" in domain \"%s\"\n",
currentwinname, currentdomain);
printf("# Replace \"user\" and \"group\" hereafter by matching Linux login\n");
printf("user::%s\n",decodesid(sid));
printf(":group:%s\n",decodesid(groupsid));
ok = AGREED;
}
return (ok);
}
#endif
STATIC boolean outputmap(const char *volume, const char *dir)
{
char buf[256];
int fn;
char *fullname;
char *backup;
struct MAPPING *mapping;
boolean done;
boolean err;
boolean undecided;
#ifdef WIN32
#else
struct stat st;
int s;
#endif
done = DENIED;
fullname = (char *)malloc(strlen(MAPFILE) + 1
+ strlen(volume) + 1
+ (dir ? strlen(dir) + 1 : 0));
if (fullname) {
#ifdef WIN32
strcpy(fullname, volume);
if (dir && dir[0]) {
strcat(fullname, "\\");
strcat(fullname,dir);
}
/* build directory, if not present */
if (GetFileAttributes(fullname) & 0x80000000) {
printf("* Creating directory %s\n", fullname);
mkdir(fullname);
}
strcat(fullname, "\\");
strcat(fullname, MAPFILE);
printf("\n");
if (!(GetFileAttributes(fullname) & 0x80000000)) {
backup = (char*)malloc(strlen(fullname) + 5);
strcpy(backup,fullname);
strcat(backup,".bak");
unlink(backup);
if (!rename(fullname,backup))
printf("* Old mapping file moved to %s\n",backup);
}
#else
strcpy(fullname, MAPFILE);
printf("\n");
s = stat(fullname,&st);
if (!s) {
backup = (char*)malloc(strlen(fullname + 5));
strcpy(backup,fullname);
strcat(backup,".bak");
if (rename(fullname,backup))
printf("* Old mapping file moved to %s\n",backup);
}
#endif
printf("* Creating file %s\n", fullname);
err = DENIED;
#ifdef WIN32
fn = open(fullname,O_CREAT + O_TRUNC + O_WRONLY + O_BINARY,
S_IREAD + S_IWRITE);
#else
fn = open(fullname,O_CREAT + O_TRUNC + O_WRONLY,
S_IREAD + S_IWRITE);
#endif
if (fn > 0) {
sprintf(buf,"# %s\n",BANNER);
if (!write(fn,buf,strlen(buf)))
err = AGREED;
printf("%s",buf);
undecided = DENIED;
/* records for owner only or group only */
for (mapping = firstmapping; mapping && !err;
mapping = mapping->next)
if (mapping->defined
&& (!mapping->uidstr[0] || !mapping->gidstr[0])) {
sprintf(buf,"%s:%s:%s\n",
mapping->uidstr,
mapping->gidstr,
mapping->sidstr);
if (!write(fn,buf,strlen(buf)))
err = AGREED;
printf("%s",buf);
} else
undecided = AGREED;
/* records for both owner and group */
for (mapping = firstmapping; mapping && !err;
mapping = mapping->next)
if (mapping->defined
&& mapping->uidstr[0] && mapping->gidstr[0]) {
sprintf(buf,"%s:%s:%s\n",
mapping->uidstr,
mapping->gidstr,
mapping->sidstr);
if (!write(fn,buf,strlen(buf)))
err = AGREED;
printf("%s",buf);
} else
undecided = AGREED;
done = !err;
close(fn);
if (undecided) {
printf("Undecided :\n");
for (mapping = firstmapping; mapping;
mapping = mapping->next)
if (!mapping->defined) {
printf(" %s\n", mapping->sidstr);
}
}
#ifndef WIN32
printf("\n* You will have to move the file \"" MAPFILE "\"\n");
printf(" to directory \"" MAPDIR "\" after mounting\n");
#endif
}
}
if (!done)
fprintf(stderr, "* Could not create mapping file \"%s\"\n", fullname);
return (done);
}
STATIC boolean sanitize(void)
{
char buf[81];
boolean ok;
int ownercnt;
int groupcnt;
struct MAPPING *mapping;
struct MAPPING *firstowner;
struct MAPPING *genericgroup;
struct MAPPING *group;
char *sidstr;
/* count owners and groups */
/* and find first user, and a generic group */
ownercnt = 0;
groupcnt = 0;
firstowner = (struct MAPPING*)NULL;
genericgroup = (struct MAPPING*)NULL;
for (mapping=firstmapping; mapping; mapping=mapping->next) {
if (mapping->defined && mapping->uidstr[0]) {
if (!ownercnt)
firstowner = mapping;
ownercnt++;
}
if (mapping->defined && mapping->gidstr[0] && !mapping->uidstr[0]) {
groupcnt++;
}
if (!mapping->defined && isgenericgroup(mapping->sidstr)) {
genericgroup = mapping;
}
}
#ifdef WIN32
/* no user defined, on Windows, suggest a mapping */
/* based on account currently used */
if (!ownercnt && currentwinname && currentsid) {
char *owner;
char *p;
printf("\nYou have defined no file owner,\n");
printf(" please enter the Linux login which should be mapped\n");
printf(" to account you are currently using\n");
printf(" Linux user ? ");
p = fgets(buf, 80, stdin);
if (p && p[0] && (p[strlen(p) - 1] == '\n'))
p[strlen(p) - 1] = '\0';
if (p && p[0]) {
firstowner = (struct MAPPING*)malloc(sizeof(struct MAPPING));
owner = (char*)malloc(strlen(p) + 1);
if (firstowner && owner) {
strcpy(owner, p);
firstowner->next = firstmapping;
firstowner->uidstr = owner;
firstowner->gidstr = "";
firstowner->sidstr = decodesid(currentsid);
firstowner->sid = currentsid;
firstmapping = firstowner;
ownercnt++;
/* prefer a generic group with the same authorities */
for (mapping=firstmapping; mapping;
mapping=mapping->next)
if (!mapping->defined
&& isgenericgroup(mapping->sidstr)
&& !memcmp(firstowner->sidstr,
mapping->sidstr,
strlen(mapping->sidstr)-3))
genericgroup = mapping;
}
}
}
#endif
if (ownercnt) {
/*
* No group was selected, but there were a generic group
* insist in using it, associated to the first user
*/
if (!groupcnt) {
printf("\nYou have defined no group, this can cause problems\n");
printf("Do you accept defining a standard group ?\n");
if (!fgets(buf,80,stdin)
|| ((buf[0] != 'n')
&& (buf[0] != 'N'))) {
if (genericgroup) {
genericgroup->uidstr = "";
genericgroup->gidstr = firstowner->uidstr;
genericgroup->defined = AGREED;
} else {
group = (struct MAPPING*)
malloc(sizeof(struct MAPPING));
sidstr = decodesid(
makegroupsid(firstowner->sid));
if (group && sidstr) {
group->uidstr = "";
group->gidstr = firstowner->
uidstr;
group->sidstr = sidstr;
group->defined = AGREED;
group->next = firstmapping;
firstmapping = group;
}
}
}
}
ok = AGREED;
} else {
printf("\nYou have defined no user, no mapping can be built\n");
ok = DENIED;
}
return (ok);
}
STATIC boolean checkoptions(int argc, char *argv[], boolean silent)
{
boolean err;
#ifdef WIN32
int xarg;
const char *pvol;
if (silent)
err = (argc != 1);
else {
err = (argc < 2);
for (xarg=1; (xarg<argc) && !err; xarg++) {
pvol = argv[xarg];
if (pvol[0] && (pvol[1] == ':') && !pvol[2]) {
err = !(((pvol[0] >= 'A') && (pvol[0] <= 'Z'))
|| ((pvol[0] >= 'a') && (pvol[0] <= 'z')));
}
}
}
if (err) {
fprintf(stderr, "Usage : usermap [vol1: [vol2: ...]]\n");
fprintf(stderr, " \"voln\" are the letters of the partition to share with Linux\n");
fprintf(stderr, " eg C:\n");
fprintf(stderr, " the Windows system partition should be named first\n");
}
#else
unused((void*)argv);
unused((void*)&silent);
err = (argc < 2);
if (err) {
fprintf(stderr, "Usage : usermap dev1 [dev2 ...]\n");
fprintf(stderr, " \"dev.\" are the devices to share with Windows\n");
fprintf(stderr, " eg /dev/sdb1\n");
fprintf(stderr, " the devices should not be mounted\n");
fprintf(stderr, " the Windows system partition should be named first\n");
} else
if (getuid()) {
fprintf(stderr, "\nSorry, only root can start usermap\n");
err = AGREED;
}
#endif
return (!err);
}
STATIC boolean process(int argc, char *argv[])
{
boolean ok;
int xarg;
int targ;
firstmapping = (struct MAPPING *)NULL;
lastmapping = (struct MAPPING *)NULL;
ok = AGREED;
#ifdef WIN32
for (xarg=1; (xarg<argc) && ok; xarg++) {
printf("\n* Scanning \"%s\" (two levels)\n",argv[xarg]);
ok = getusers(argv[xarg],2);
}
#else
for (xarg=1; (xarg<argc) && ok; xarg++)
if (open_volume(argv[xarg])) {
printf("\n* Scanning \"%s\" (two levels)\n",argv[xarg]);
ok = getusers("/",2);
close_volume(argv[xarg]);
} else
ok = DENIED;
#endif
if (ok && sanitize()) {
targ = (argc > 2 ? 2 : 1);
if (!outputmap(argv[targ],MAPDIR)) {
printf("Trying to write file on root directory\n");
if (outputmap(argv[targ],(const char*)NULL)) {
printf("\nNote : you will have to move the file to directory \"%s\" on Linux\n",
MAPDIR);
} else
ok = DENIED;
} else
ok = DENIED;
} else
ok = DENIED;
return (ok);
}
int main(int argc, char *argv[])
{
boolean ok;
boolean silent;
silent = !isatty(1);
if (!silent)
welcome();
if (checkoptions(argc, argv, silent)) {
#ifdef WIN32
loginname(silent);
if (silent)
ok = minimal(currentsid);
else
ok = process(argc, argv);
#else
if (open_security_api()) {
ok = process(argc,argv);
if (!close_security_api()) ok = DENIED;
}
#endif
} else
ok = DENIED;
if (!ok)
exit(1);
return (0);
}
|
the_stack_data/121171.c | /* This testcase originally provoked an unaligned access fault on Alpha.
Since Digital Unix and Linux (and probably others) by default fix
these up in the kernel, the failure was not visible unless one
is sitting at the console examining logs.
So: If we know how, ask the kernel to deliver SIGBUS instead so
that the test case visibly fails. */
#if defined(__alpha__) && defined(__linux__)
#include <asm/sysinfo.h>
#include <asm/unistd.h>
static inline int
setsysinfo(unsigned long op, void *buffer, unsigned long size,
int *start, void *arg, unsigned long flag)
{
syscall(__NR_osf_setsysinfo, op, buffer, size, start, arg, flag);
}
static void __attribute__((constructor))
trap_unaligned(void)
{
unsigned int buf[2];
buf[0] = SSIN_UACPROC;
buf[1] = UAC_SIGBUS | UAC_NOPRINT;
setsysinfo(SSI_NVPAIRS, buf, 1, 0, 0, 0);
}
#endif /* alpha */
void foo(char *a, char *b) { }
void showinfo()
{
char uname[33] = "", tty[38] = "/dev/";
foo(uname, tty);
}
int main()
{
showinfo ();
exit (0);
}
|
the_stack_data/106637.c | #include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main (int argc,char *argv[]){
double numA = 0;
double numB = 0;
double resultado = 0;
if(argc < 3)
printf("Passe 2 argumentos e obtenha o primeiro elevado pelo segundo\n");
else{
numA = strtod(argv[1], 0);
numB = strtod(argv[2], 0);
resultado = pow(numA, numB);
printf("%g elevado a %g = %g",numA,numB, resultado);
}
}
|
the_stack_data/14199747.c | #if 0
4. 读入用户输入的字符串，长度不超过50，定义函数统计此字符串有多少个单词
(单词间用空格隔开)
#endif
#include <stdio.h>
int num_of_str(char *str);
int main()
{
char str[50];
int i;
i = 0;
do {
str[i] = getchar();
} while (str[i++] != '\n' && i < 50);
str[i-1] = '\0';
printf("%d个单词\n", num_of_str(str));
return 0;
}
int num_of_str(char *str)
{
int count = 0;
while (*str != '\0')
{
if (((*str >= 65 && *str <= 90) || (*str >= 97 && *str <= 122)) && (*(str + 1) == ' ' || *(str + 1) == '\0'))
{
count ++;
str ++;
}
else
str ++;
}
return count;
}
|
the_stack_data/586293.c | // https://github.com/google/sanitizers/issues/925
// RUN: %clang_hwasan -O0 %s -o %t && %run %t 2>&1
// REQUIRES: aarch64-target-arch || x86_64-target-arch
// REQUIRES: pointer-tagging
#include <assert.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <stdio.h>
#include <sanitizer/hwasan_interface.h>
__attribute__((noinline, no_sanitize("hwaddress"))) void child() {
char x[10000];
__hwasan_tag_memory(x, 0xAA, sizeof(x));
_exit(0);
}
__attribute__((noinline, no_sanitize("hwaddress"))) void parent() {
char x[10000];
__hwasan_print_shadow(&x, sizeof(x));
assert(__hwasan_test_shadow(x, sizeof(x)) == -1);
}
int main(int argc, char **argv) {
if (vfork())
parent();
else
child();
return 0;
}
|
the_stack_data/42112.c | #include <stdio.h>
#include <stdlib.h>
int main( int argc , char *argv[] )
{
long k;
long i,sum,totalSum,max=1000,numIter=1000;
if ( argc > 1 ) {
numIter=atol(argv[1]);
}
if ( argc > 2 ) {
max=atol(argv[2]);
}
totalSum=0;
for (k=0;k<numIter;k++) {
sum=0;
for (i=1;i<=max;i++ ) {
sum+=i;
}
totalSum+=sum;
}
printf("%ld (total: %ld)\n",sum,totalSum);
return 0;
}
|
the_stack_data/65654.c | #include <stdio.h>
#include <string.h>
/* shl() need n > 0 */
static inline void shl(size_t p[2], int n) {
if(n >= 8 * sizeof(size_t)) {
n -= 8 * sizeof(size_t);
p[1] = p[0];
p[0] = 0;
}
p[1] <<= n;
p[1] |= p[0] >> (sizeof(size_t) * 8 - n);
p[0] <<= n;
}
static inline int a_clz_64(unsigned long long x) {
unsigned int y;
int r;
if (x>>32) y=x>>32, r=0; else y=x, r=32;
if (y>>16) y>>=16; else r |= 16;
if (y>>8) y>>=8; else r |= 8;
if (y>>4) y>>=4; else r |= 4;
if (y>>2) y>>=2; else r |= 2;
return r | !(y>>1);
}
static void cycle(size_t width, unsigned char* ar[], int n) {
unsigned char tmp[256];
size_t l;
int i;
if(n < 2) {
return;
}
ar[n] = tmp;
while(width) {
l = sizeof(tmp) < width ? sizeof(tmp) : width;
memcpy(ar[n], ar[0], l);
for(i = 0; i < n; i++) {
memcpy(ar[i], ar[i + 1], l);
ar[i] += l;
}
width -= l;
}
}
typedef struct {
char msg[10];
} foo_t;
int main() {
(void)0;
foo_t foo = {"Hi, c2go!"};
foo_t *pfoo = &foo;
char msg[] = {'a', 'b', '\0'};
char *pmsg = msg;
printf("%c\n", msg[1]);
pmsg[1] = (msg[0]>='a'?'!':'?'), printf("%s\n", pmsg),
pfoo->msg[0] += 'a'-'A',
pfoo->msg[2] = '!', printf("%s\n", foo.msg);
return 0;
}
|
the_stack_data/90764877.c | /*
* POSIX allows PATH_MAX to not be defined, see
* http://pubs.opengroup.org/onlinepubs/9699919799/functions/sysconf.html;
* the GNU Hurd is an example of a system not having it.
*
* Arguably, it would be better to test sysconf(_SC_PATH_MAX),
* but since the individual *.c files include "config.h" before
* <limits.h>, overriding an excessive value of PATH_MAX from
* "config.h" is impossible anyway, so for now, the simplest
* fix is to provide a value only on systems not having any.
* So far, we encountered no system defining PATH_MAX to an
* impractically large value, even though POSIX explicitly
* allows that.
*
* The real fix would be to replace all static buffers of size
* PATH_MAX by dynamically allocated buffers. But that is
* somewhat intrusive because it touches several files and
* because it requires changing struct mlink in mandocdb.c.
* So i'm postponing that for now.
*/
#include <limits.h>
#include <stdio.h>
int
main(void)
{
printf("PATH_MAX is defined to be %ld\n", (long)PATH_MAX);
return 0;
}
|
the_stack_data/165767779.c | // C11 standard
// created by cicek on 08.11.2018 00:46
#include <stdio.h>
#include <stdlib.h>
void say_hello(int num_times) {
int k;
for (k = 0; k < num_times; k++)
printf("Hello\n");
}
int main() {
// function pointers
/* Since pointers can point to an address in any memory location, they can also point to the start of executable code.
Pointers to functions, or function pointers, point to executable code for a function in memory. Function pointers can be stored in an array or passed as arguments to other functions */
// return_type (*func_name)(parameters)
// The parentheses around (*func_name) are important. Without them, the compiler will think the function is returning a pointer.
/*
After declaring the function pointer, you must assign it to a function.
The following short program declares a function, declares a function pointer, assigns the function pointer to the function, and then calls the function through the pointer:
*/
void (*funptr)(int); /* function pointer */
funptr = say_hello; /* pointer assignment */
funptr(3); /* function call */
/*
A function name points to the start of executable code, just as an array name points to its first element.
Therefore, although statements such as funptr = &say_hello and (*funptr)(3) are correct,
it isn't necessary to include the address operator & and the indirection operator * in the function assignment and function call.
*/
/*
The single sentence that made all make sense for me:
"A function name points to the start of executable code"
That is: a function name is itself a pointer.
So declaring a function pointer is exactly declaring a new name - with the great advantage that it's a variable, with all its functionalities.
*/
// Try to write own C library. Function pointers are used when implementing entrypoints or callback functions for libs (dll), services, pools, event handling, tasks, interfaces, etc.
return 0;
}
|
the_stack_data/404272.c | /*
* C Program to Find the Largest value in a Tree using
* Inorder Traversal
* 40
* /\
* 20 60
* /\ \
* 10 30 80
* \
* 90
*/
#include <stdio.h>
#include <stdlib.h>
struct btnode
{
int value;
struct btnode *left, *right;
};
typedef struct btnode node;
/* function prototypes */
void insert(node *, node *);
void inorder(node *);
void largest(node *);
void main()
{
node *root = NULL, *new = NULL ;
int num = 1;
printf("Enter the elements of the tree(enter 0 to exit)\n");
while (1)
{
scanf("%d", &num);
if (num == 0)
break;
new = malloc(sizeof(node));
new->left = new->right = NULL;
new->value = num;
if (root == NULL)
root = new;
else
{
insert(new, root);
}
}
printf("elements in a tree in inorder are\n");
inorder(root);
largest(root);
}
/* displaying nodes of a tree using inorder */
void inorder(node *root)
{
if (root != NULL)
{
inorder(root->left);
printf("%d -> ", root->value);
inorder(root->right);
}
}
/* inserting nodes into the tree */
void insert(node * new , node *root)
{
if (new->value > root->value)
{
if (root->right == NULL)
root->right = new;
else
insert (new, root->right);
}
if (new->value < root->value)
{
if (root->left == NULL)
root->left = new;
else
insert(new, root->left);
}
}
/* finding largest node in a tree */
void largest(node *root)
{
if (root->right == NULL)
{
printf("largest element is %d", root->value);
}
while (root != NULL && root->right != NULL)
{
root = root->right;
}
printf("\nlargest value is %d\n", root->value);
}
|
the_stack_data/85312.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h> /* getopt */
#include <errno.h>
// TODO(W3ndige): Compress the code from characters other than bf
// TODO(W3ndige): Dynamic memory allocation - check all cases
extern int errno;
extern char *optarg;
enum {
READ_FILE, READ_ARG, READ_ERROR
};
void load_code(FILE *input_file, char **source_code) {
fseek(input_file, 0, SEEK_END);
size_t length = ftell(input_file);
fseek(input_file, 0, SEEK_SET);
*source_code = malloc(length * sizeof(char));
if (*source_code == NULL) {
perror("Malloc fail");
exit(EXIT_FAILURE);
}
fread(*source_code, sizeof(char), length, input_file);
// Check for correct number of loops
int balance = 0;
for (size_t i = 0; i < length; i++) {
switch (*(*source_code + i)) {
case '[':
balance++;
break;
case ']':
balance--;
break;
}
}
if (balance < 0) {
puts("End of the loop was encountered before the start");
exit(EXIT_FAILURE);
}
else if (balance != 0) {
puts("Unbalanced number of loops");
exit(EXIT_FAILURE);
}
}
int run_bf(char *source_code, size_t memory_size) {
// Allocate memory
char *memory = calloc(memory_size, sizeof(int));
char *pointer = memory;
// Interpret instructions
for (size_t i = 0; i < memory_size + 1; i++) {
char instruction = source_code[i];
switch (instruction) {
case '+':
++*pointer;
break;
case '-':
--*pointer;
break;
case '>':
++pointer;
break;
case '<':
--pointer;
break;
case '.':
putchar(*pointer);
break;
case ',':
*pointer = getchar();
break;
case '[':
if (!*pointer) {
size_t loop_counter = 1;
while (loop_counter) {
instruction = source_code[++i];
if (instruction == ']')
--loop_counter;
else if (instruction == '[')
++loop_counter;
}
}
break;
case ']':
if (*pointer) {
size_t loop_counter = 1;
while (loop_counter > 0) {
instruction = source_code[--i];
if (instruction == '[') {
--loop_counter;
}
else if (instruction == ']') {
++loop_counter;
}
}
}
break;
}
}
printf("\n");
return 0;
}
int main(int argc, char *argv[]) {
// How to read the file, input argument
int input_mode;
char *input_arg = "";
// Parameter parsing
int opt;
while ((opt = getopt(argc, argv, "f:c:")) != -1) {
switch (opt) {
case 'f':
input_mode = READ_FILE;
input_arg = optarg;
break;
case 'c':
input_mode = READ_ARG;
input_arg = optarg;
break;
}
}
FILE *input_file;
switch(input_mode) {
case READ_FILE:
input_file = fopen(input_arg, "r");
if (!input_file) {
perror("Error while opening file");
exit(EXIT_FAILURE);
}
break;
case READ_ARG:
input_file = fmemopen(input_arg, strlen(input_arg), "r");
break;
}
// Load the code from the file
char *source_code;
load_code(input_file, &source_code);
fclose(input_file);
// Run the code
size_t memory_size = strlen(source_code);
run_bf(source_code, memory_size);
free(source_code);
return 0;
}
|
the_stack_data/150139438.c | # 1 "benchmarks/ds-09-impl3.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "benchmarks/ds-09-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, -0.534989269238408f, 0.932096367913226f, -0.0361062818028513f, -0.847189697149530f, -0.975903030160255f, 0.623293205784014f, -0.661289688031659f, 0.724486055119603f, 0.307504095172835f, 0.00739266163731767f, -0.393681596442097f, 0.0313739422974388f, 0.0768157689673350f, -0.652063346886817f, 0.864188030044388f, -0.588932092781034f, 0.496015896758580f, -0.872858269231211f, 0.978780599551039f, -0.504887732991147f, -0.462378791937628f, 0.0141726829338038f, 0.769610007653591f, 0.945233033188923f, -0.782235375325016f, -0.832206533738799f, 0.745634368088673f, -0.696969510157151f, -0.0674631869948374f, -0.123186450806584f, -0.359158959141949f, -0.393882649464391f, 0.441371446689899f, -0.829394270569736f, -0.301502651277431f, -0.996215501187289f, 0.934634037393066f, -0.282431114746289f, -0.927550795619590f, -0.437037530043415f, -0.360426812995980f, 0.949549724575862f, 0.502784616197919f, 0.800771681422909f, -0.511398929004089f, 0.309288504642554f, -0.207261227890933f, 0.930587995125773f, -0.777029876696670f, -0.489329175755640f, -0.134595132329858f, 0.285771358983518f, 0.182331373854387f, -0.544110494560697f, 0.278439882883985f, -0.556325158102182f, 0.579043806545889f, 0.134648133801916f, 0.602850725479294f, -0.151663563868883f, 0.180694361855878f, -0.651591295315595f, 0.281129147768056f, -0.580047306475484f, 0.687883075491433f, 0.279398670804288f, -0.853428128249503f, -0.532609367372680f, -0.821156786377917f, -0.181273229058573f, -0.983898569846882f, -0.0964374318311501f, 0.880923372124250f, 0.102643371392389f, 0.893615387135596f, -0.259276649383649f, 0.699287743639363f, 0.402940604635828f, -0.110721596226581f, 0.0846246472582877f, 0.820733021865405f, 0.795578903285308f, -0.495144122011537f, 0.273150029257472f, -0.268249949701437f, 0.231982193341980f, 0.694211299124074f, 0.859950868718233f, 0.959483382623794f, -0.422972626833543f, -0.109621798738360f, 0.433094703426531f, 0.694025903378851f, 0.374478987547435f, -0.293668545105608f, -0.396213864190828f, -0.0632095887099047f, -0.0285139536748673f, 0.831794132192390f, -0.548543088139238f, 0.791869201724680f, 0.325211484201845f, 0.155274810721772f, -0.112383643064821f, -0.674403070297721f, 0.642801068229810f, -0.615712048835242f, -0.322576771285566f, -0.409336818836595f, 0.548069973193770f, -0.386353709407947f, -0.0741664985357784f, 0.619639599324983f, -0.815703814931314f, 0.965550307223862f, 0.623407852683828f, -0.789634372832984f, 0.736750050047572f, -0.0269443926793700f, 0.00545706093721488f, -0.315712479832091f, -0.890110021644720f, -0.869390443173846f, -0.381538869981866f, -0.109498998005949f, 0.131433952330613f, -0.233452413139316f, 0.660289822785465f, 0.543381186340023f, -0.384712418750451f, -0.913477554164890f, 0.767102957655267f, -0.115129944521936f, -0.741161985822647f, -0.0604180020782450f, -0.819131535144059f, -0.409539679760029f, 0.574419252943637f, -0.0440704617157433f, 0.933173744590532f, 0.261360623390448f, -0.880290575543046f, 0.329806293425492f, 0.548915621667952f, 0.635187167795234f, -0.611034070318967f, 0.458196727901944f, 0.397377226781023f, 0.711941361933987f, 0.782147744383368f, -0.00300685339552631f, 0.384687233450957f, 0.810102466029521f, 0.452919847968424f, -0.183164257016897f, -0.755603185485427f, -0.604334477365858f, -0.786222413488860f, -0.434887500763099f, -0.678845635625581f, -0.381200370488331f, -0.582350534916068f, -0.0444427346996734f, 0.116237247526397f, -0.364680921206275f, -0.829395404347498f, -0.258574590032613f, -0.910082114298859f, 0.501356900925997f, 0.0295361922006900f, -0.471786618165219f, 0.536352925101547f, -0.316120662284464f, -0.168902841718737f, 0.970850119987976f, -0.813818666854395f, -0.0861183123848732f, 0.866784827877161f, 0.535966478165739f, -0.806958669103425f, -0.627307415616045f, -0.686618354673079f, 0.0239165685193152f, 0.525427699287402f, 0.834079334357391f, -0.527333932295852f, 0.130970034225907f, -0.790218350377199f, 0.399338640441987f, 0.133591886379939f, -0.181354311053254f, 0.420121912637914f, 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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) {
# 123 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 174 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
}
overflow_mode = 1;
fxp_verify_overflow_array(y, X_SIZE_VALUE);
return 0;
}
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 1
# 15 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
int verify_limit_cycle_state_space(void){
double stateMatrix[4][4];
double outputMatrix[4][4];
double arrayLimitCycle[4];
double result1[4][4];
double result2[4][4];
int i, j, k;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
stateMatrix[i][j]=0;
outputMatrix[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
k = 0;
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
int l;
for(l = 0; l < nStates; l++){
stateMatrix[l][k] = _controller.states[l][0];
}
for(l = 0; l < nOutputs; l++){
stateMatrix[l][k] = _controller.outputs[l][0];
}
k++;
}
printf("#matrix STATES -------------------------------");
print_matrix(stateMatrix,nStates,0);
printf("#matrix OUTPUTS -------------------------------");
print_matrix(outputMatrix,nOutputs,0);
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 93, __extension__ __PRETTY_FUNCTION__); }))
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
for(i=0; i<nStates;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = stateMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
for(i=0; i<nOutputs;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = outputMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 110, __extension__ __PRETTY_FUNCTION__); }))
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
}
int verify_limit_cycle(void){
overflow_mode = 3;
int i;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
__DSVERIFIER_assert(X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na);
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 168 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t xaux[ds.b_size];
int nondet_constant_input = nondet_int();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = nondet_constant_input;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t y0[ds.a_size];
fxp_t waux[Nw];
fxp_t w0[Nw];
# 206 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
# 228 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 278 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 34 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
extern digital_system ds;
extern implementation impl;
int verify_error(void){
overflow_mode = 2;
double a_cascade[100];
int a_cascade_size;
double b_cascade[100];
int b_cascade_size;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
double yf[X_SIZE_VALUE];
double xf[X_SIZE_VALUE];
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
double yfaux[ds.a_size];
double xfaux[ds.b_size];
double wfaux[Nw];
int i;
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
yfaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
xfaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
wfaux[i] = 0;
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
yf[i] = 0.0f;
xf[i] = fxp_to_double(x[i]);
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 139 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
shiftRboth(0.0f, wfaux, 0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
yf[i] = double_direct_form_2(wfaux, xf[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 169 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
double absolute_error = yf[i] - fxp_to_double(y[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 35 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 1
# 13 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
int verify_zero_input_limit_cycle(void){
overflow_mode = 3;
int i,j;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
((void) sizeof ((
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ; else __assert_fail (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
"X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na"
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h", 23, __extension__ __PRETTY_FUNCTION__); }))
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 71 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = 0;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
fxp_t y0[ds.a_size];
fxp_t w0[Nw];
# 104 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
for(i=0; i<X_SIZE_VALUE; ++i){
# 132 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 188 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
extern hardware hw;
int generic_timer = 0;
int verify_generic_timing(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
double initial_timer = generic_timer;
for (i = 0; i < X_SIZE_VALUE; ++i) {
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.adiw) + (2 * hw.assembly.std));
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.cpi) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
# 79 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
generic_timing_shift_r_double(0, waux, Nw);
y[i] = generic_timing_double_direct_form_2(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
double spent_time = (((double) generic_timer) * hw.cycle);
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
((void) sizeof ((
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ; else __assert_fail (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
"spent_time <= ds.sample_time"
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h", 89, __extension__ __PRETTY_FUNCTION__); }))
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
;
generic_timer = initial_timer;
}
return 0;
}
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_timing_msp_430(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
shiftR(0, waux, Nw);
y[i] = double_direct_form_2_MSP430(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 121 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
}
return 0;
}
# 38 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
extern digital_system ds;
extern implementation impl;
int verify_stability(void){
overflow_mode = 0;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
((void) sizeof ((
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ; else __assert_fail (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
"check_stability(_a, ds.a_size)"
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h", 37, __extension__ __PRETTY_FUNCTION__); }))
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
;
# 83 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
return 0;
}
# 39 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
extern digital_system ds;
extern implementation impl;
int verify_minimum_phase(void){
overflow_mode = 0;
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
__DSVERIFIER_assert(check_stability(_b, ds.b_size));
# 85 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
return 0;
}
# 40 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_stability_closedloop_using_dslib(void){
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 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){
# 128 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
shiftRDdouble(0, waux, Nw);
y[i] = double_direct_form_2(waux, x[i], ans_den, ans_num, ans_den_size, ans_num_size);
}
double_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 42 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_error_closedloop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 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){
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
shiftRDdouble(0, waux_qtz, Nw);
y_qtz[i] = double_direct_form_2(waux_qtz, x_qtz[i], ans_den_qtz, ans_num_qtz, ans_den_size, ans_num_size);
shiftRDdouble(0, waux_double, Nw);
y_double[i] = double_direct_form_2(waux_double, x_double[i], ans_den_double, ans_num_double, ans_den_size, ans_num_size);
# 156 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
double absolute_error = y_double[i] - fxp_to_double(y_qtz[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 43 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double new_state[4][4];
double new_stateFWL[4][4];
digital_system_state_space _controller_fxp;
digital_system_state_space _controller_double;
double ss_system_quantization_error(fxp_t inputs){
digital_system_state_space __backupController;
int i;
int j;
_controller.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
__backupController.A[i][j]= (_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
__backupController.B[i][j]= (_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
__backupController.C[i][j]= (_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
__backupController.D[i][j]= (_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
__backupController.states[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
__backupController.inputs[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
__backupController.outputs[i][j]= (_controller.outputs[i][j]);
}
}
double __quant_error = 0.0;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_state[i][j]);
}
}
double output_double = double_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
__backupController.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
_controller.A[i][j] = __backupController.A[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
_controller.B[i][j] = __backupController.B[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
_controller.C[i][j] = __backupController.C[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
_controller.D[i][j] = __backupController.D[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j] = __backupController.states[i][j];
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
_controller.inputs[i][j] = __backupController.inputs[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j] = __backupController.outputs[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_stateFWL[i][j]);
}
}
double output_fxp = fxp_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
__quant_error = output_double - output_fxp;
return __quant_error;
}
double fxp_ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double temp_result1[4][4];
double result2[4][4];
double temp_states[4][4];
fxp_t K_fxp[4][4];
fxp_t states_fxp[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_fxp.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
reference_aux[i][j]=0;
K_fxp[i][j] = 0;
}
}
for(i=0; i<nInputs;i++){
reference_aux[i][0]= reference;
}
for(i=0; i<4;i++){
states_fxp[i][0]=0;
}
for(i=0; i<nStates;i++){
K_fxp[0][i]= fxp_double_to_fxp(_controller_fxp.K[0][i]);
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for(k=0; k<nStates;k++)
{
states_fxp[k][0]= fxp_double_to_fxp(_controller_fxp.states[k][0]);
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,K_fxp,states_fxp,result_fxp);
fxp_t reference_fxp[4][4];
fxp_t result_fxp2[4][4];
for(k=0;k<nInputs;k++)
{
reference_fxp[k][0] =fxp_double_to_fxp(fxp_quantize(reference_aux[k][0]));
}
fxp_sub_matrix(nInputs,1, reference_fxp, result_fxp, result_fxp2);
for(k=0; k<nInputs;k++)
{
_controller_fxp.inputs[k][0] = fxp_to_double(fxp_quantize(result_fxp2[k][0]));
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_fxp.C,_controller_fxp.states,result1);
if(flag == 1)
{
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_fxp.D,_controller_fxp.inputs,result2);
}
double_add_matrix(nOutputs,1,result1,result2,_controller_fxp.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_fxp.A,_controller_fxp.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_fxp.B,_controller_fxp.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_fxp.states);
return _controller_fxp.outputs[0][0];
}
double ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double result2[4][4];
unsigned int i;
unsigned int j;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_double.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference_aux[i][j]= reference;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.K,_controller_double.states,result1);
double_sub_matrix(nInputs,1,reference_aux,result1, _controller_double.inputs);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.C,_controller_double.states,result1);
if(flag == 1)
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_double.D,_controller_double.inputs,result2);
double_add_matrix(nOutputs,1,result1,result2,_controller_double.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_double.A,_controller_double.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_double.B,_controller_double.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_double.states);
return _controller_double.outputs[0][0];
}
int verify_error_state_space(void){
int i,j;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
_controller_fxp = _controller;
_controller_double = _controller;
overflow_mode = 0;
fxp_t x[0];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < 0; ++i) {
x[i] = nondet_constant_input;
}
double __quant_error;
if(closed_loop){
for (i = 0; i < 0; ++i) {
__quant_error = ss_closed_loop_quantization_error(x[i]) - fxp_ss_closed_loop_quantization_error(x[i]);
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 354, __extension__ __PRETTY_FUNCTION__); }))
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
else {
for (i=0; i < 0; i++)
{
__quant_error = ss_system_quantization_error(x[i]);
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 361, __extension__ __PRETTY_FUNCTION__); }))
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
return 0;
}
# 44 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double fxp_ss_closed_loop_safety(){
double reference[4][4];
double result1[4][4];
double result2[4][4];
fxp_t K_fpx[4][4];
fxp_t outputs_fpx[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]=0;
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result_fxp[i][j]=0;
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]= fxp_double_to_fxp(_controller.K[i][j]);
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
if(flag == 1){
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
}
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
for(k=0; k<nOutputs;k++){
for(j=0; j<1;j++){
outputs_fpx[k][j]= fxp_double_to_fxp(_controller.outputs[k][j]);
}
}
fxp_matrix_multiplication(nInputs,nOutputs,nOutputs,1,K_fpx,outputs_fpx,result_fxp);
for(k=0; k<nInputs;k++){
for(j=0; j<1;j++){
result1[k][j]= fxp_to_double(result_fxp[k][j]);
}
}
printf("### fxp: U (before) = %.9f", _controller.inputs[0][0]);
printf("### fxp: reference = %.9f", reference[0][0]);
printf("### fxp: result1 = %.9f", result1[0][0]);
printf("### fxp: reference - result1 = %.9f", (reference[0][0] - result1[0][0]));
double_sub_matrix(nInputs,
1,
reference,
result1,
_controller.inputs);
printf("### fxp: Y = %.9f", _controller.outputs[0][0]);
printf("### fxp: U (after) = %.9f \n### \n### ", _controller.inputs[0][0]);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
}
return _controller.outputs[0][0];
}
int verify_safety_state_space(void){
fxp_t output_fxp = fxp_ss_closed_loop_safety();
double output_double = fxp_to_double(output_fxp);
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
((void) sizeof ((
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ; else __assert_fail (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
"output_double <= error_limit"
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h", 140, __extension__ __PRETTY_FUNCTION__); }))
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
;
return 0;
}
# 45 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 1
# 14 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
extern digital_system_state_space _controller;
int verify_controllability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t controllabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double controllabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
A_fpx[i][j] = 0.0;
B_fpx[i][j] = 0.0;
controllabilityMatrix[i][j] = 0.0;
backup[i][j] = 0.0;
backupSecond[i][j] = 0.0;
controllabilityMatrix_double[i][j] = 0.0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
fxp_t mimo_controllabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_fxp);
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(mimo_controllabilityMatrix_fxp[i][j]);
}
}
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 91, __extension__ __PRETTY_FUNCTION__); }))
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
fxp_exp_matrix(nStates,nStates,A_fpx,j,backup);
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(controllabilityMatrix[i][j]);
}
}
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 113, __extension__ __PRETTY_FUNCTION__); }))
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
int verify_controllability_double(void){
int i;
int j;
double controllabilityMatrix[4][4];
double backup[4][4];
double backupSecond[4][4];
double controllabilityMatrix_double[4][4];
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
double_exp_matrix(nStates,nStates,_controller.A,l,backup);
l++;
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
double mimo_controllabilityMatrix_double[4][4];
double_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_double);
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(mimo_controllabilityMatrix_double,nStates) != 0"
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 154, __extension__ __PRETTY_FUNCTION__); }))
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
double_exp_matrix(nStates,nStates,_controller.A,j,backup);
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix,nStates) != 0"
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 163, __extension__ __PRETTY_FUNCTION__); }))
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
# 46 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
extern digital_system_state_space _controller;
int verify_observability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t observabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double observabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix[i][j]= 0;
A_fpx[i][j]=0;
C_fpx[i][j]= 0;
backup[i][j]= 0;
backupSecond[i][j]= 0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
if(nOutputs > 1){
int l;
j = 0;
for(l=0; l<nStates;){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(int k = 0; k < nOutputs; k++){
for(i = 0; i<nStates;i++){
observabilityMatrix[j][i]= backupSecond[k][i];
}
j++;
}
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nOutputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(observabilityMatrix,backup,(nStates*nOutputs),nStates);
# 99 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
fxp_t mimo_observabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nOutputs),(nStates*nOutputs),nStates,backup,observabilityMatrix,mimo_observabilityMatrix_fxp);
# 112 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(mimo_observabilityMatrix_fxp[i][j]);
}
}
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 119, __extension__ __PRETTY_FUNCTION__); }))
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}else{
for(i=0; i<nStates;i++){
fxp_exp_matrix(nStates,nStates,A_fpx,i,backup);
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(j = 0; j<nStates;j++){
observabilityMatrix[i][j]= backupSecond[0][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(observabilityMatrix[i][j]);
}
}
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 134, __extension__ __PRETTY_FUNCTION__); }))
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}
return 0;
}
# 47 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
extern filter_parameters filter;
extern implementation impl;
extern digital_system ds;
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
void resp_mag(double* num, int lnum, double* den, int lden, double* res, int N) {
double w;
int m, i;
double out_numRe[N + 1];
double out_numIm[N + 1];
double out_denRe[N + 1];
double out_denIm[N + 1];
double old_out_Re;
double zero_test;
for (w = 0, i = 0; w <= 3.14159265358979323846; w += 3.14159265358979323846 / N, ++i) {
out_numRe[i] = num[0];
out_numIm[i] = 0;
for (m = 1; m < lnum; ++m) {
old_out_Re = out_numRe[i];
out_numRe[i] = cosTyl(w, 6) * out_numRe[i] - sinTyl(w, 6) * out_numIm[i] + num[m];
out_numIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_numIm[i];
}
out_denRe[i] = den[0];
out_denIm[i] = 0;
for (m = 1; m < lden; ++m) {
old_out_Re = out_denRe[i];
out_denRe[i] = cosTyl(w, 6) * out_denRe[i] - sinTyl(w, 6) * out_denIm[i] + den[m];
out_denIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_denIm[i];
}
res[i] = sqrt3(out_numRe[i] * out_numRe[i] + out_numIm[i] * out_numIm[i]);
zero_test = sqrt3(out_denRe[i] * out_denRe[i] + out_denIm[i] * out_denIm[i]);
__DSVERIFIER_assume(zero_test != 0);
res[i] = res[i] / zero_test;
}
}
int verify_magnitude(void) {
int freq_response_samples = 100;
double w;
double w_incr = 1.0 / freq_response_samples;
double res[freq_response_samples+1];
int i,j;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
resp_mag(ds.b, ds.b_size, ds.a, ds.a_size, res, freq_response_samples);
if (filter.type == 1) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wp) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w >= filter.wr) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
}
}
} else if (filter.type == 2) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wr) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w > filter.wp) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
}
}
} else {
__DSVERIFIER_assert(0);
}
return 0;
}
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
extern digital_system ds;
extern digital_system plant;
digital_system plant_cbmc;
extern digital_system controller;
extern implementation impl;
extern hardware hw;
extern digital_system_state_space _controller;
extern filter_parameters filter;
unsigned int nondet_uint();
extern void initials();
void validation();
void call_verification_task(void * verification_task);
void call_closedloop_verification_task(void * closedloop_verification_task);
float nondet_float();
double nondet_double();
int main(){
initialization();
validation();
if (1 == 0)
rounding_mode = 0;
else if (1 == 1)
rounding_mode = 1;
else if (1 == 2)
rounding_mode = 2;
if (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 ((15 == 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 (15 < 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE > 0 *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
X_SIZE_VALUE = 15;
}
}
if ((2 == 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 ((2 == 7) || (2 == 8) || (2 == 9) ||
(2 == 10) || (2 == 11) || (2 == 12))
{
printf("\n\n******************************************\n");
printf("* Temporarily the cascade modes are disabled *\n");
printf("**********************************************\n");
__DSVERIFIER_assert(0);
}
}
void call_verification_task(void * verification_task)
{
int i = 0;
_Bool base_case_executed = 0;
if (0 == 2)
{
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ds.b_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ds.a_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
else
{
int i=0;
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ((ds.b[i] * ds.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ((ds.a[i] * ds.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
((void(*)())verification_task)();
}
void call_closedloop_verification_task(void * closedloop_verification_task)
{
_Bool base_case_executed = 0;
int i=0;
for(i=0; i<plant.b_size; i++)
{
if (plant.b_uncertainty[i] > 0)
{
double factor = ((plant.b[i] * plant.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.b[i] - factor;
double max = plant.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant_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-09-impl3.c" 2
digital_system ds = {
.b = { 0.1, -0.1 },
.b_size = 2,
.a = { 1.0, -1.0 },
.a_size = 2,
.sample_time = 0.02
};
implementation impl = {
.int_bits = 10,
.frac_bits = 6,
.max = 1.0,
.min = -1.0
};
|
the_stack_data/43888777.c | #include <stdio.h>
#define MAX 100
int mostOnes(int[][MAX], int);
int main(void)
{
int arr[MAX][MAX];
int n;
scanf("%d", &n);
getchar();
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
scanf("%d", &arr[i][j]);
getchar();
}
printf("%d\n", mostOnes(arr, n));
return 0;
}
int mostOnes(int arr[][MAX], int n)
{
int i = 0, j = 0;
int result = 0;
while (i < n && j < n)
{
if (arr[i][j] == 0) // 0이면 아래 행으로 이동
i++;
else
{
result = i;
j++;
}
}
return result;
}
// Big-O : 2n (worst case) -> O(n) |
the_stack_data/72013385.c | #include <sys/mman.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#define FILE_READ "ex1.txt"
#define FILE_WRITE "ex1.memcpy.txt"
int main() {
int fRead = open(FILE_READ, O_RDWR);
int fWrite = open(FILE_WRITE, O_RDWR);
struct stat buf;
fstat(fRead, &buf);
int sz = buf.st_size;
ftruncate(fWrite, sz);
char * mapping_read = mmap(NULL, sz, PROT_READ, MAP_SHARED, fRead, 0);
char * mapping_write = mmap(NULL, sz, PROT_WRITE, MAP_SHARED, fWrite, 0);
memcpy(mapping_write, mapping_read, sz);
close(fRead);
close(fWrite);
munmap(mapping_read, sz);
munmap(mapping_write, sz);
return 0;
} |
the_stack_data/34994.c | /*
* Author: Mr. Ganesh Bhandarkar ganesh@mx 1.0
* Date: 03.08.2020 16:06:44 IST
* 2. Write a C program to assign values to each members of the following structure. Pass the populated structure to a function Using call-by-address and print the value of each member of the structure with in that function.
struct info{
int roll_no;
char name[50];
float CGPA;
}
*/
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#include<string.h>
struct info{
int roll;
char name[20];
float CGPA;
}student;
void function(struct info student){
printf("%d\n",student.roll);
printf("%s\n",student.name);
printf("%f\n",student.CGPA);
}
int main(){
srand(time(0));
student.roll = 1;strcpy(student.name,"Raj");student.CGPA = 9.8;
function(student);
return 0;
}
|
the_stack_data/3261449.c | #include <stdio.h>
int main(void)
{
float largest = .0f, number;
for (;;)
{
printf("Enter a number: ");
scanf("%f", &number);
if (number <= 0)
break;
if (number > largest)
largest = number;
}
printf("\nThe largest number entered was %f\n", largest);
return 0;
}
|
the_stack_data/5159.c | /* Name: 2-1.c
Purpose: Exercise 1.
Author: NiceMan1337
Date: 26.02.2022 */
#include <stdio.h>
int main (void)
{
printf("hello, world\n");
return 0;
}
/*Solution:
You need to add return 0; in order to
work without warning message*/ |
the_stack_data/154667.c | #define NULL 0
// this macro has two parameters:
#define SUM(x,y) (x+y)
// this macro has no parameters at all. Even though this line contains brackets.
#define FIVE (2+3)
#define FIVE_NO_BRACKETS 2+3
// A more realistic example (now with tabs as separator)
#define CONSTANT1 0x10
#define CONSTANT2 0x20
#define SOME_MASK (CONSTANT1 | CONSTANT2)
void test()
//@ requires true;
//@ ensures true;
{
int zero = NULL;
int x = SUM(1,SUM(zero, 3));
//@ assert x == 4;
x = FIVE*2;
//@ assert x == 10;
x = FIVE_NO_BRACKETS*2;
//@ assert x == 8;
x = SOME_MASK;
}
// Should also work for ghostcode:
/*@
#define NULL 0
#define SUM(x,y) (x+y)
#define FIVE (2+3)
#define FIVE_NO_BRACKETS 2+3
#define CONSTANT1 0x10
#define CONSTANT2 0x20
#define SOME_MASK (CONSTANT1 | CONSTANT2)
lemma void test_ghost()
requires true;
ensures true;
{
int zero = NULL;
int x = SUM(1,SUM(zero, 3));
assert x == 4;
x = FIVE*2;
assert x == 10;
x = FIVE_NO_BRACKETS*2;
assert x == 8;
x = SOME_MASK;
}
@*/
|
the_stack_data/51699468.c | int main() {
// variable declarations
int x;
int y;
int z1;
int z2;
int z3;
// pre-conditions
assume((x >= 0));
assume((x <= 10));
assume((y <= 10));
assume((y >= 0));
// loop body
while (unknown()) {
{
(x = (x + 10));
(y = (y + 10));
}
}
// post-condition
if ( (x == 20) )
assert( (y != 0) );
}
|
the_stack_data/250417.c | int main();
int (*fn)();
int putchar(int);
int* malloc(int);
int test(int, int, int, int, int, int, int, int, int, int j) {
return j;
}
int fibCallCount = 0;
int foo2() {
return fibCallCount;
}
int (*getFoo2())() {
return foo2;
}
int* int2;
int** int3;
int add2(int *arg) {
*arg += 2;
return *arg;
}
int main() {
int a = 5;
int *b = &a;
int c = (*b);
int size = sizeof(size);
int d = 3;
if(size < 3) {
d += 5;
} else {
d += 2;
}
do {
a--;
} while(a > 10);
int i = 100;
for (int i = 0; i < 10; i = i + 1) {
int i;
}
for(;;) {
break;
}
{
int var = 0;
int2 = &var;
int3 = &int2;
**int3 += a == 3 ? 5 : add2(&a);
}
int (*testFn)(int, int, int, int, int, int, int, int, int, int j) = test;
putchar(testFn(1,2,3,4,5,6,7, sizeof(int*), 9,72)) || add2(a) && add2(*b);
return a + c + (int)b + d;
} |
the_stack_data/243893839.c | // PARAM: --set ana.base.structs.domain "keyed" --enable ana.base.structs.key.avoid-ints
#include<assert.h>
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
struct FunctionInfo {
const char *name;
void* ptr;
int id;
};
struct FunctionInfo functionToRun;
/// Finds the factorial of given number
int factorial(int n) {
int acc = 1;
for (int i = 1; i <= n; i++) {
acc *= i;
}
return acc;
}
/// Finds the "n" given a "n!".
/// In case an integer "n" cannot be calculated, return the upper (ceil) number.
int inverseFactorial(int fac) {
int product = 1;
int n = 1;
while (product < fac) {
n++;
product *= n;
}
printf("Inverse found!\n"); // create a side effect and prevent optimizations
return n;
}
int main() {
int n;
int choice;
printf("Write the function to execute (1 for factorial, 2 for inverse of factorial) and pass the parameter n:\n");
scanf("%d %d", &choice, &n);
if (choice == 1) {
functionToRun.id = 1;
functionToRun.name = "factorial";
functionToRun.ptr = factorial;
} else if (choice == 2) {
functionToRun.id = 2;
functionToRun.name = "inverse factorial";
functionToRun.ptr = inverseFactorial;
} else {
functionToRun.id = 3;
functionToRun.name = "outside function";
functionToRun.ptr = exit;
}
for (int i = 1; i < 5; i++) {
functionToRun.name = "test";
functionToRun.id = i;
functionToRun.ptr = exit;
}
typedef int (*fun)(int);
if (functionToRun.id == 1) {
fun f = functionToRun.ptr;
assert(f == factorial || (void*)f == exit);
assert((void*)f == exit); // TODO
int result = f(n);
printf("Factorial of %d is %d\n", n, result);
} else if (functionToRun.id == 2) {
fun f = functionToRun.ptr;
assert(f == inverseFactorial || (void*)f == exit);
assert((void*)f == exit); // TODO
int result = f(n);
printf("Factorial of %d is %d\n", result, n);
} else {
fun f = functionToRun.ptr;
assert((void*)f == exit);
printf("Exiting with code %d...\n", n);
int result = f(n);
}
return 0;
}
|
the_stack_data/154828917.c | /* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-2002 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: adler32.c,v 1.1 2002/04/10 02:28:07 aegis Exp $ */
#include "zlib.h"
#define BASE 65521L /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
#define DO1(buf,i) {s1 += buf[i]; s2 += s1;}
#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8);
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
unsigned long s1 = adler & 0xffff;
unsigned long s2 = (adler >> 16) & 0xffff;
int k;
if (buf == Z_NULL) return 1L;
while (len > 0) {
k = len < NMAX ? len : NMAX;
len -= k;
while (k >= 16) {
DO16(buf);
buf += 16;
k -= 16;
}
if (k != 0) do {
s1 += *buf++;
s2 += s1;
} while (--k);
s1 %= BASE;
s2 %= BASE;
}
return (s2 << 16) | s1;
}
|
the_stack_data/119630.c | /* $NetBSD: err_syntax4.tab.c,v 1.1.1.4 2021/02/20 20:30:08 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
|
the_stack_data/11381.c | /*
* Benchmarks contributed by Divyesh Unadkat[1,2], Supratik Chakraborty[1], Ashutosh Gupta[1]
* [1] Indian Institute of Technology Bombay, Mumbai
* [2] TCS Innovation labs, Pune
*
*/
extern void __VERIFIER_error() __attribute__ ((__noreturn__));
extern void __VERIFIER_assume(int);
void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: __VERIFIER_error(); } }
extern int __VERIFIER_nondet_int(void);
int N;
int main()
{
N = __VERIFIER_nondet_int();
if(N <= 0) return 1;
__VERIFIER_assume(N <= 2147483647/sizeof(int));
int i, j;
int a[N];
for (i = 0; i < N; i++)
{
a[i] = 0;
}
for (i = 0; i < N; i++)
{
for (j = 0; j < N; j++)
{
a[j] = a[j] + 1;
}
}
for (i = 0; i < N; i++)
{
a[i] = a[i] + i;
}
for (i = 0; i < N; i++)
{
__VERIFIER_assert(a[i] == N + i);
}
}
|
the_stack_data/97012402.c | // ****************************************
// Program Title: Lab 08
// Project File: question1.c
// Name: David Thornton
// Course Section: CPE-435, SP 2021
// Due Date: 03/09/2021
// ****************************************
#include <stdio.h>
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/wait.h>
pid_t pid = 0;
void kill_func(int killSignal);
void child_kill_func(int killSignal);
void myFunction(int sigVal);
void printProtect(int sigVal);
int main()
{
pid = fork();
if(pid == 0) // child
{
signal(SIGINT, printProtect);
signal(SIGTERM, child_kill_func);
while(1);
}
else // parent
{
signal(SIGINT, printProtect);
signal(SIGALRM, myFunction);
alarm(10);
while(1);
}
while(1);
return(0);
}
void kill_func(int killSignal)
{
printf("Received kill signal %d\n", killSignal);
printf("Killing child process...\n");
kill(pid, SIGTERM);
wait(0);
printf("Child process killed\n");
printf("\tDying process %d\n", getpid());
exit(0);
}
void child_kill_func(int killSignal)
{
printf("Requested termination from parent process\n");
printf("\tDying process %d\n", getpid());
exit(0);
}
void myFunction(int sigVal)
{
printf("Program can now be terminated...\n");
signal(SIGINT, kill_func);
}
void printProtect(int sigVal)
{
if(pid == 0) // child
{
return;
}
else if (pid > 0)
{
printf("\nDetected SIGINT in process %d. System is still protected!\n", getpid());
}
}
|
the_stack_data/10009.c | #include <stdio.h>
#include <stdlib.h>
int ackermann(int m, int n, int k, int **memo) {
if (memo[m][n] != -1) return memo[m][n];
int result;
if (m == 0) {
result = (n+1)%32768;
} else if (n == 0) {
result = ackermann(m-1, k, k, memo);
} else {
int x = ackermann(m, n-1, k, memo);
result = ackermann(m-1, x, k, memo);
}
// Memoizing the result
memo[m][n] = result;
return memo[m][n];
}
int main() {
// Initializing memo matrix
int **memo = malloc(sizeof(int *) * 5);
for (int i = 0; i < 5; i++) {
memo[i] = malloc(sizeof(int) * 32768);
}
// Testing all possible values for $7
for (int k = 1; k < 32768; k++) {
// Resetting memo matrix
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 32768; j++) {
memo[i][j] = -1;
}
}
// Running the Ackermann function
int result = ackermann(4, 1, k, memo);
printf("ackermann(4, 1, %d) = %d\n", k, result);
// Found the valid value
if (result == 6) {
printf("Found it! Try $7 = %d.\n", k);
break;
}
}
for (int i = 0; i < 5; i++) free(memo[i]);
free(memo);
} |
the_stack_data/153267783.c | // 4 kyu
// Snail
#include <stdlib.h>
int *
snail(size_t *outsz, const int **mx, size_t a, size_t b)
{
int *p, *out, i, o = 1;
*outsz = a * a;
if (a == 0)
return NULL;
p = out = malloc(*outsz << 2);
*p++ = **mx;
while (a-- > 1) {
for (b = a, i = o; b--; i++)
*p++ = mx[o - 1][i];
for (b = a, i = o; b--; i++)
*p++ = mx[i][a + o - 1];
*p++ = mx[a + o - 1][a + o - 2];
if (a-- < 1)
break;
for (b = a, i = a + o - 2; b--; i--)
*p++ = mx[a + o][i];
for (b = a, i = a + o - 1; b--; i--)
*p++ = mx[i][o - 1];
*p++ = mx[o][o++];
};
return out;
}
|
the_stack_data/31388771.c | /* example of a C program that accepts command line arguments */
#include<stdio.h>
/* argc is the number of arguments, argv is an array of pointers to each arg */
/* note that each arg is passed as a string */
int main(int argc, char * argv[]) {
int ii;
/* Print the number of arguments passed */
printf("argc = %d\n", argc);
/* Print each individual argument. arg[0] is the name of the command */
for(ii=0;ii<argc;ii++) {
printf("argv[%d] = %s\n", ii, argv[ii]);
}
return 0;
}
|
the_stack_data/90766524.c | #include <stdio.h>
// This function is purely in C (no Fortran), and simpler to incorporate into
// haskell since you don't need to compile library archives, but can directly
// link to the source files. It's used here as a demo for interfacing with
// HMatrix.
//
// The glut of extra parameters is meant to align with the HMatrix `TransArray`
// type family, along with the `apply` function. The dimensions of a single
// matrix are defined in 4 terms: 2 for row and column size of the array in
// memory, and 2 for row and column size of the slice you're interested in.
//
// NOTE: remember C and Haskell both use row-major arrays (Fortran will be
// column major), so the following algorithm has to take care to look at the
// correct dimensions of the input array by offsetting by the entire size of the
// array in memory, while the output array can collect results based on its
// sliced dimensions.
int transpose (int slice_nrow1, int slice_ncol1, int xrow1, int xcol1, double * inp[],
int slice_nrow2, int slice_ncol2, int xrow2, int xcol2, double * out[]) {
int r, c;
for(r=0; r < slice_nrow2; r++) {
for (c=0; c < slice_ncol2; c++) {
out[r * slice_ncol2 + c] = inp[r + c * xrow1];
}
}
return 0;
}
|
the_stack_data/184518406.c | #include <stdio.h>
int main()
{
int a = 65;
// integer
printf("the number is %d \n", a);
// float
printf("%f \n", a);
// character
printf("%c \n", a);
} |
the_stack_data/48576627.c | #include <stdio.h>
int main(int argc, char** argv){
if (2 > argc || 2 < argc) {
printf("Il faut 1 parametre\n");
return 1;
}
int value = atoi(argv[1]);
if((value % 2) == 0){
printf("0");
}
else{
printf("1");
}
return 0;
}
|
the_stack_data/587050.c | #include <stdio.h>
#include <string.h>
int main(int argc, char **argv)
{
if (argc < 2)
{
printf("String argument required \n");
return 1;
}
if (argc > 2)
{
printf("Too many arguments \n");
return 1;
}
char *s = argv[1];
size_t length = strlen(s);
char stack[length];
char *p = stack;
while (*s != '\0')
{
*p = *s;
p++;
s++;
}
while (p-- + 1 != stack)
{
printf("%c", *p);
}
printf("\n");
return 0;
} |
the_stack_data/812428.c | /*
* $Id: yesno.c,v 1.62 2018/06/19 22:57:01 tom Exp $
*
* yesno.c -- implements the yes/no box
*
* Copyright 1999-2012,2018 Thomas E. Dickey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License, version 2.1
* as published by the Free Software Foundation.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to
* Free Software Foundation, Inc.
* 51 Franklin St., Fifth Floor
* Boston, MA 02110, USA.
*
* An earlier version of this program lists as authors
* Savio Lam ([email protected])
*/
#include <dialog.h>
#include <dlg_keys.h>
/*
* Display a dialog box with two buttons - Yes and No.
*/
int
dialog_yesno(const char *title, const char *cprompt, int height, int width)
{
/* *INDENT-OFF* */
static DLG_KEYS_BINDING binding[] = {
HELPKEY_BINDINGS,
ENTERKEY_BINDINGS,
SCROLLKEY_BINDINGS,
TRAVERSE_BINDINGS,
END_KEYS_BINDING
};
/* *INDENT-ON* */
int x, y;
int key = 0, fkey;
int code;
int button = dlg_default_button();
WINDOW *dialog = 0;
int result = DLG_EXIT_UNKNOWN;
char *prompt;
const char **buttons = dlg_yes_labels();
int min_width = 25;
bool show = TRUE;
int page, last = 0, offset = 0;
#ifdef KEY_RESIZE
int req_high = height;
int req_wide = width;
#endif
DLG_TRACE(("# yesno args:\n"));
DLG_TRACE2S("title", title);
DLG_TRACE2S("message", cprompt);
DLG_TRACE2N("height", height);
DLG_TRACE2N("width", width);
#ifdef KEY_RESIZE
restart:
#endif
prompt = dlg_strclone(cprompt);
dlg_tab_correct_str(prompt);
dlg_button_layout(buttons, &min_width);
dlg_auto_size(title, prompt, &height, &width, 2, min_width);
dlg_print_size(height, width);
dlg_ctl_size(height, width);
x = dlg_box_x_ordinate(width);
y = dlg_box_y_ordinate(height);
#ifdef KEY_RESIZE
if (dialog != 0)
dlg_move_window(dialog, height, width, y, x);
else
#endif
{
dialog = dlg_new_window(height, width, y, x);
dlg_register_window(dialog, "yesno", binding);
dlg_register_buttons(dialog, "yesno", buttons);
}
dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
dlg_draw_title(dialog, title);
dlg_draw_helpline(dialog, FALSE);
dlg_attrset(dialog, dialog_attr);
page = height - (1 + 3 * MARGIN);
dlg_draw_buttons(dialog,
height - 2 * MARGIN, 0,
buttons, button, FALSE, width);
while (result == DLG_EXIT_UNKNOWN) {
if (show) {
last = dlg_print_scrolled(dialog, prompt, offset,
page, width, TRUE);
dlg_trace_win(dialog);
show = FALSE;
}
key = dlg_mouse_wgetch(dialog, &fkey);
if (dlg_result_key(key, fkey, &result))
break;
if ((code = dlg_char_to_button(key, buttons)) >= 0) {
result = dlg_ok_buttoncode(code);
break;
}
/* handle function keys */
if (fkey) {
switch (key) {
case DLGK_FIELD_NEXT:
button = dlg_next_button(buttons, button);
if (button < 0)
button = 0;
dlg_draw_buttons(dialog,
height - 2, 0,
buttons, button,
FALSE, width);
break;
case DLGK_FIELD_PREV:
button = dlg_prev_button(buttons, button);
if (button < 0)
button = 0;
dlg_draw_buttons(dialog,
height - 2, 0,
buttons, button,
FALSE, width);
break;
case DLGK_ENTER:
result = dlg_yes_buttoncode(button);
break;
#ifdef KEY_RESIZE
case KEY_RESIZE:
dlg_will_resize(dialog);
dlg_clear();
free(prompt);
height = req_high;
width = req_wide;
show = TRUE;
goto restart;
#endif
default:
if (is_DLGK_MOUSE(key)) {
result = dlg_yes_buttoncode(key - M_EVENT);
if (result < 0)
result = DLG_EXIT_OK;
} else if (dlg_check_scrolled(key, last, page,
&show, &offset) != 0) {
beep();
}
break;
}
} else {
beep();
}
}
dlg_del_window(dialog);
dlg_mouse_free_regions();
free(prompt);
return result;
}
|
the_stack_data/32949641.c |
union u {
struct {
int x,y,z;
} a;
struct {
int m[3];
} b;
};
int main() {
union u u;
int t = 0;
u.a.x = 1;
u.b.m[2] = 2;
t = u.a.x + u.b.m[2];
return (t == 3) ? 0 : 1;
}
|
the_stack_data/25138699.c | #include <stdio.h>
#include<math.h>
int updatedGap(int gap)
{
// Shrink gap by Shrink factor
gap = floor(gap/1.3);
if (gap < 1)
return 1;
return gap;
}
// Function to sort array elements using Comb Sort
void combSort(int a[], int n)
{
int gap = n; /* Initialize gap size equal to the size of array */
int swapped = 1;
while (gap != 1 || swapped == 1)
{
gap = updatedGap(gap); // find updated gap
// Initialize swapped as false so that we can
// check if swap happened or not
swapped = 0;
for (int i = 0; i < n-gap; i++) /* Compare all elements with current gap */
{
if (a[i] > a[i+gap]) //swap a[i] with a[i+gap]
{
int temp = a[i];
a[i] = a[i+gap];
a[i+gap] = temp;
swapped = 1;
}
}
}
}
void printArr(int a[], int n) /* function to print array elements */
{
for (int i=0; i<n; i++)
printf("%d ", a[i]);
}
int main()
{
int a[] = {49, 11, 24, 44, 29, 27, 2};
int n = sizeof(a)/sizeof(a[0]);
printf("Before sorting array elements are - \n");
printArr(a, n);
combSort(a, n);
printf("\nAfter sorting array elements are - \n");
printArr(a, n);
return 0;
}
|
the_stack_data/173578058.c | /* Modified for the LUFA HID Bootloader by Dean Camera
* http://www.lufa-lib.org
*
* THIS MODIFIED VERSION IS UNSUPPORTED BY PJRC.
*/
/* Teensy Loader, Command Line Interface
* Program and Reboot Teensy Board with HalfKay Bootloader
* http://www.pjrc.com/teensy/loader_cli.html
* Copyright 2008-2010, PJRC.COM, LLC
*
*
* You may redistribute this program and/or modify it under the terms
* of the GNU General Public License as published by the Free Software
* Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/
*/
/* Want to incorporate this code into a proprietary application??
* Just email [email protected] to ask. Usually it's not a problem,
* but you do need to ask to use this code in any way other than
* those permitted by the GNU General Public License, version 3 */
/* For non-root permissions on ubuntu or similar udev-based linux
* http://www.pjrc.com/teensy/49-teensy.rules
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
void usage(void)
{
fprintf(stderr, "Usage: hid_bootloader_cli -mmcu=<MCU> [-w] [-h] [-n] [-v] <file.hex>\n");
fprintf(stderr, "\t-w : Wait for device to appear\n");
fprintf(stderr, "\t-r : Use hard reboot if device not online\n");
fprintf(stderr, "\t-n : No reboot after programming\n");
fprintf(stderr, "\t-v : Verbose output\n");
fprintf(stderr, "\n<MCU> = atmegaXXuY or at90usbXXXY");
fprintf(stderr, "\nFor support and more information, please visit:\n");
fprintf(stderr, "http://www.lufa-lib.org\n");
fprintf(stderr, "\nBased on the TeensyHID command line programmer software:\n");
fprintf(stderr, "http://www.pjrc.com/teensy/loader_cli.html\n");
exit(1);
}
// USB Access Functions
int teensy_open(void);
int teensy_write(void *buf, int len, double timeout);
void teensy_close(void);
int hard_reboot(void);
// Intel Hex File Functions
int read_intel_hex(const char *filename);
int ihex_bytes_within_range(int begin, int end);
void ihex_get_data(int addr, int len, unsigned char *bytes);
// Misc stuff
int printf_verbose(const char *format, ...);
void delay(double seconds);
void die(const char *str, ...);
void parse_options(int argc, char **argv);
// options (from user via command line args)
int wait_for_device_to_appear = 0;
int hard_reboot_device = 0;
int reboot_after_programming = 1;
int verbose = 0;
int code_size = 0, block_size = 0;
const char *filename=NULL;
/****************************************************************/
/* */
/* Main Program */
/* */
/****************************************************************/
int main(int argc, char **argv)
{
unsigned char buf[260];
int num, addr, r, first_block=1, waited=0;
// parse command line arguments
parse_options(argc, argv);
if (!filename) {
fprintf(stderr, "Filename must be specified\n\n");
usage();
}
if (!code_size) {
fprintf(stderr, "MCU type must be specified\n\n");
usage();
}
printf_verbose("Teensy Loader, Command Line, Version 2.0\n");
// read the intel hex file
// this is done first so any error is reported before using USB
num = read_intel_hex(filename);
if (num < 0) die("error reading intel hex file \"%s\"", filename);
printf_verbose("Read \"%s\": %d bytes, %.1f%% usage\n",
filename, num, (double)num / (double)code_size * 100.0);
// open the USB device
while (1) {
if (teensy_open()) break;
if (hard_reboot_device) {
if (!hard_reboot()) die("Unable to find rebootor\n");
printf_verbose("Hard Reboot performed\n");
hard_reboot_device = 0; // only hard reboot once
wait_for_device_to_appear = 1;
}
if (!wait_for_device_to_appear) die("Unable to open device\n");
if (!waited) {
printf_verbose("Waiting for Teensy device...\n");
printf_verbose(" (hint: press the reset button)\n");
waited = 1;
}
delay(0.25);
}
printf_verbose("Found HalfKay Bootloader\n");
// if we waited for the device, read the hex file again
// perhaps it changed while we were waiting?
if (waited) {
num = read_intel_hex(filename);
if (num < 0) die("error reading intel hex file \"%s\"", filename);
printf_verbose("Read \"%s\": %d bytes, %.1f%% usage\n",
filename, num, (double)num / (double)code_size * 100.0);
}
// program the data
printf_verbose("Programming");
fflush(stdout);
for (addr = 0; addr < code_size; addr += block_size) {
if (addr > 0 && !ihex_bytes_within_range(addr, addr + block_size - 1)) {
// don't waste time on blocks that are unused,
// but always do the first one to erase the chip
continue;
}
printf_verbose(".");
if (code_size < 0x10000) {
buf[0] = addr & 255;
buf[1] = (addr >> 8) & 255;
} else {
buf[0] = (addr >> 8) & 255;
buf[1] = (addr >> 16) & 255;
}
ihex_get_data(addr, block_size, buf + 2);
r = teensy_write(buf, block_size + 2, first_block ? 3.0 : 0.25);
if (!r) die("error writing to Teensy\n");
first_block = 0;
}
printf_verbose("\n");
// reboot to the user's new code
if (reboot_after_programming) {
printf_verbose("Booting\n");
buf[0] = 0xFF;
buf[1] = 0xFF;
memset(buf + 2, 0, sizeof(buf) - 2);
teensy_write(buf, block_size + 2, 0.25);
}
teensy_close();
return 0;
}
/****************************************************************/
/* */
/* USB Access - libusb (Linux & FreeBSD) */
/* */
/****************************************************************/
#if defined(USE_LIBUSB)
// http://libusb.sourceforge.net/doc/index.html
#include <usb.h>
usb_dev_handle * open_usb_device(int vid, int pid)
{
struct usb_bus *bus;
struct usb_device *dev;
usb_dev_handle *h;
#ifdef LIBUSB_HAS_GET_DRIVER_NP
char buf[128];
#endif
int r;
usb_init();
usb_find_busses();
usb_find_devices();
//printf_verbose("\nSearching for USB device:\n");
for (bus = usb_get_busses(); bus; bus = bus->next) {
for (dev = bus->devices; dev; dev = dev->next) {
//printf_verbose("bus \"%s\", device \"%s\" vid=%04X, pid=%04X\n",
// bus->dirname, dev->filename,
// dev->descriptor.idVendor,
// dev->descriptor.idProduct
//);
if (dev->descriptor.idVendor != vid) continue;
if (dev->descriptor.idProduct != pid) continue;
h = usb_open(dev);
if (!h) {
printf_verbose("Found device but unable to open");
continue;
}
#ifdef LIBUSB_HAS_GET_DRIVER_NP
r = usb_get_driver_np(h, 0, buf, sizeof(buf));
if (r >= 0) {
r = usb_detach_kernel_driver_np(h, 0);
if (r < 0) {
usb_close(h);
printf_verbose("Device is in use by \"%s\" driver", buf);
continue;
}
}
#endif
// Mac OS-X - removing this call to usb_claim_interface() might allow
// this to work, even though it is a clear misuse of the libusb API.
// normally Apple's IOKit should be used on Mac OS-X
r = usb_claim_interface(h, 0);
if (r < 0) {
usb_close(h);
printf_verbose("Unable to claim interface, check USB permissions");
continue;
}
return h;
}
}
return NULL;
}
static usb_dev_handle *libusb_teensy_handle = NULL;
int teensy_open(void)
{
teensy_close();
libusb_teensy_handle = open_usb_device(0x16C0, 0x0478);
if (!libusb_teensy_handle)
libusb_teensy_handle = open_usb_device(0x03eb, 0x2067);
if (!libusb_teensy_handle) return 0;
return 1;
}
int teensy_write(void *buf, int len, double timeout)
{
int r;
if (!libusb_teensy_handle) return 0;
r = usb_control_msg(libusb_teensy_handle, 0x21, 9, 0x0200, 0, (char *)buf,
len, (int)(timeout * 1000.0));
if (r < 0) return 0;
return 1;
}
void teensy_close(void)
{
if (!libusb_teensy_handle) return;
usb_release_interface(libusb_teensy_handle, 0);
usb_close(libusb_teensy_handle);
libusb_teensy_handle = NULL;
}
int hard_reboot(void)
{
usb_dev_handle *rebootor;
int r;
rebootor = open_usb_device(0x16C0, 0x0477);
if (!rebootor)
rebootor = open_usb_device(0x03eb, 0x2067);
if (!rebootor) return 0;
r = usb_control_msg(rebootor, 0x21, 9, 0x0200, 0, "reboot", 6, 100);
usb_release_interface(rebootor, 0);
usb_close(rebootor);
if (r < 0) return 0;
return 1;
}
#endif
/****************************************************************/
/* */
/* USB Access - Microsoft WIN32 */
/* */
/****************************************************************/
#if defined(USE_WIN32)
// http://msdn.microsoft.com/en-us/library/ms790932.aspx
#include <windows.h>
#include <setupapi.h>
#include <ddk/hidsdi.h>
#include <ddk/hidclass.h>
HANDLE open_usb_device(int vid, int pid)
{
GUID guid;
HDEVINFO info;
DWORD index, required_size;
SP_DEVICE_INTERFACE_DATA iface;
SP_DEVICE_INTERFACE_DETAIL_DATA *details;
HIDD_ATTRIBUTES attrib;
HANDLE h;
BOOL ret;
HidD_GetHidGuid(&guid);
info = SetupDiGetClassDevs(&guid, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if (info == INVALID_HANDLE_VALUE) return NULL;
for (index=0; 1 ;index++) {
iface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
ret = SetupDiEnumDeviceInterfaces(info, NULL, &guid, index, &iface);
if (!ret) {
SetupDiDestroyDeviceInfoList(info);
break;
}
SetupDiGetInterfaceDeviceDetail(info, &iface, NULL, 0, &required_size, NULL);
details = (SP_DEVICE_INTERFACE_DETAIL_DATA *)malloc(required_size);
if (details == NULL) continue;
memset(details, 0, required_size);
details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
ret = SetupDiGetDeviceInterfaceDetail(info, &iface, details,
required_size, NULL, NULL);
if (!ret) {
free(details);
continue;
}
h = CreateFile(details->DevicePath, GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
FILE_FLAG_OVERLAPPED, NULL);
free(details);
if (h == INVALID_HANDLE_VALUE) continue;
attrib.Size = sizeof(HIDD_ATTRIBUTES);
ret = HidD_GetAttributes(h, &attrib);
if (!ret) {
CloseHandle(h);
continue;
}
if (attrib.VendorID != vid || attrib.ProductID != pid) {
CloseHandle(h);
continue;
}
SetupDiDestroyDeviceInfoList(info);
return h;
}
return NULL;
}
int write_usb_device(HANDLE h, void *buf, int len, int timeout)
{
static HANDLE event = NULL;
unsigned char tmpbuf[1040];
OVERLAPPED ov;
DWORD n, r;
if (len > sizeof(tmpbuf) - 1) return 0;
if (event == NULL) {
event = CreateEvent(NULL, TRUE, TRUE, NULL);
if (!event) return 0;
}
ResetEvent(&event);
memset(&ov, 0, sizeof(ov));
ov.hEvent = event;
tmpbuf[0] = 0;
memcpy(tmpbuf + 1, buf, len);
if (!WriteFile(h, tmpbuf, len + 1, NULL, &ov)) {
if (GetLastError() != ERROR_IO_PENDING) return 0;
r = WaitForSingleObject(event, timeout);
if (r == WAIT_TIMEOUT) {
CancelIo(h);
return 0;
}
if (r != WAIT_OBJECT_0) return 0;
}
if (!GetOverlappedResult(h, &ov, &n, FALSE)) return 0;
return 1;
}
static HANDLE win32_teensy_handle = NULL;
int teensy_open(void)
{
teensy_close();
win32_teensy_handle = open_usb_device(0x16C0, 0x0478);
if (!win32_teensy_handle)
win32_teensy_handle = open_usb_device(0x03eb, 0x2067);
if (!win32_teensy_handle) return 0;
return 1;
}
int teensy_write(void *buf, int len, double timeout)
{
int r;
if (!win32_teensy_handle) return 0;
r = write_usb_device(win32_teensy_handle, buf, len, (int)(timeout * 1000.0));
return r;
}
void teensy_close(void)
{
if (!win32_teensy_handle) return;
CloseHandle(win32_teensy_handle);
win32_teensy_handle = NULL;
}
int hard_reboot(void)
{
HANDLE rebootor;
int r;
rebootor = open_usb_device(0x16C0, 0x0477);
if (!rebootor)
rebootor = open_usb_device(0x03eb, 0x2067);
if (!rebootor) return 0;
r = write_usb_device(rebootor, "reboot", 6, 100);
CloseHandle(rebootor);
return r;
}
#endif
/****************************************************************/
/* */
/* USB Access - Apple's IOKit, Mac OS-X */
/* */
/****************************************************************/
#if defined(USE_APPLE_IOKIT)
// http://developer.apple.com/technotes/tn2007/tn2187.html
#include <IOKit/IOKitLib.h>
#include <IOKit/hid/IOHIDLib.h>
#include <IOKit/hid/IOHIDDevice.h>
struct usb_list_struct {
IOHIDDeviceRef ref;
int pid;
int vid;
struct usb_list_struct *next;
};
static struct usb_list_struct *usb_list=NULL;
static IOHIDManagerRef hid_manager=NULL;
void attach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
{
CFTypeRef type;
struct usb_list_struct *n, *p;
int32_t pid, vid;
if (!dev) return;
type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDVendorIDKey));
if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &vid)) return;
type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDProductIDKey));
if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &pid)) return;
n = (struct usb_list_struct *)malloc(sizeof(struct usb_list_struct));
if (!n) return;
//printf("attach callback: vid=%04X, pid=%04X\n", vid, pid);
n->ref = dev;
n->vid = vid;
n->pid = pid;
n->next = NULL;
if (usb_list == NULL) {
usb_list = n;
} else {
for (p = usb_list; p->next; p = p->next) ;
p->next = n;
}
}
void detach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
{
struct usb_list_struct *p, *tmp, *prev=NULL;
p = usb_list;
while (p) {
if (p->ref == dev) {
if (prev) {
prev->next = p->next;
} else {
usb_list = p->next;
}
tmp = p;
p = p->next;
free(tmp);
} else {
prev = p;
p = p->next;
}
}
}
void init_hid_manager(void)
{
CFMutableDictionaryRef dict;
IOReturn ret;
if (hid_manager) return;
hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
if (hid_manager == NULL || CFGetTypeID(hid_manager) != IOHIDManagerGetTypeID()) {
if (hid_manager) CFRelease(hid_manager);
printf_verbose("no HID Manager - maybe this is a pre-Leopard (10.5) system?\n");
return;
}
dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if (!dict) return;
IOHIDManagerSetDeviceMatching(hid_manager, dict);
CFRelease(dict);
IOHIDManagerScheduleWithRunLoop(hid_manager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, attach_callback, NULL);
IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, detach_callback, NULL);
ret = IOHIDManagerOpen(hid_manager, kIOHIDOptionsTypeNone);
if (ret != kIOReturnSuccess) {
IOHIDManagerUnscheduleFromRunLoop(hid_manager,
CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
CFRelease(hid_manager);
printf_verbose("Error opening HID Manager");
}
}
static void do_run_loop(void)
{
while (CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true) == kCFRunLoopRunHandledSource) ;
}
IOHIDDeviceRef open_usb_device(int vid, int pid)
{
struct usb_list_struct *p;
IOReturn ret;
init_hid_manager();
do_run_loop();
for (p = usb_list; p; p = p->next) {
if (p->vid == vid && p->pid == pid) {
ret = IOHIDDeviceOpen(p->ref, kIOHIDOptionsTypeNone);
if (ret == kIOReturnSuccess) return p->ref;
}
}
return NULL;
}
void close_usb_device(IOHIDDeviceRef dev)
{
struct usb_list_struct *p;
do_run_loop();
for (p = usb_list; p; p = p->next) {
if (p->ref == dev) {
IOHIDDeviceClose(dev, kIOHIDOptionsTypeNone);
return;
}
}
}
static IOHIDDeviceRef iokit_teensy_reference = NULL;
int teensy_open(void)
{
teensy_close();
iokit_teensy_reference = open_usb_device(0x16C0, 0x0478);
if (!iokit_teensy_reference)
iokit_teensy_reference = open_usb_device(0x03eb, 0x2067);
if (!iokit_teensy_reference) return 0;
return 1;
}
int teensy_write(void *buf, int len, double timeout)
{
IOReturn ret;
// timeouts do not work on OS-X
// IOHIDDeviceSetReportWithCallback is not implemented
// even though Apple documents it with a code example!
// submitted to Apple on 22-sep-2009, problem ID 7245050
if (!iokit_teensy_reference) return 0;
ret = IOHIDDeviceSetReport(iokit_teensy_reference,
kIOHIDReportTypeOutput, 0, buf, len);
if (ret == kIOReturnSuccess) return 1;
return 0;
}
void teensy_close(void)
{
if (!iokit_teensy_reference) return;
close_usb_device(iokit_teensy_reference);
iokit_teensy_reference = NULL;
}
int hard_reboot(void)
{
IOHIDDeviceRef rebootor;
IOReturn ret;
rebootor = open_usb_device(0x16C0, 0x0477);
if (!rebootor)
rebootor = open_usb_device(0x03eb, 0x2067);
if (!rebootor) return 0;
ret = IOHIDDeviceSetReport(rebootor,
kIOHIDReportTypeOutput, 0, (uint8_t *)("reboot"), 6);
close_usb_device(rebootor);
if (ret == kIOReturnSuccess) return 1;
return 0;
}
#endif
/****************************************************************/
/* */
/* USB Access - BSD's UHID driver */
/* */
/****************************************************************/
#if defined(USE_UHID)
// Thanks to Todd T Fries for help getting this working on OpenBSD
// and to Chris Kuethe for the initial patch to use UHID.
#include <sys/ioctl.h>
#include <fcntl.h>
#include <dirent.h>
#include <dev/usb/usb.h>
#ifndef USB_GET_DEVICEINFO
#include <dev/usb/usb_ioctl.h>
#endif
#ifndef USB_GET_DEVICEINFO
# define USB_GET_DEVICEINFO 0
# error The USB_GET_DEVICEINFO ioctl() value is not defined for your system.
#endif
int open_usb_device(int vid, int pid)
{
int r, fd;
DIR *dir;
struct dirent *d;
struct usb_device_info info;
char buf[256];
dir = opendir("/dev");
if (!dir) return -1;
while ((d = readdir(dir)) != NULL) {
if (strncmp(d->d_name, "uhid", 4) != 0) continue;
snprintf(buf, sizeof(buf), "/dev/%s", d->d_name);
fd = open(buf, O_RDWR);
if (fd < 0) continue;
r = ioctl(fd, USB_GET_DEVICEINFO, &info);
if (r < 0) {
// NetBSD: added in 2004
// OpenBSD: added November 23, 2009
// FreeBSD: missing (FreeBSD 8.0) - USE_LIBUSB works!
die("Error: your uhid driver does not support"
" USB_GET_DEVICEINFO, please upgrade!\n");
close(fd);
closedir(dir);
exit(1);
}
//printf("%s: v=%d, p=%d\n", buf, info.udi_vendorNo, info.udi_productNo);
if (info.udi_vendorNo == vid && info.udi_productNo == pid) {
closedir(dir);
return fd;
}
close(fd);
}
closedir(dir);
return -1;
}
static int uhid_teensy_fd = -1;
int teensy_open(void)
{
teensy_close();
uhid_teensy_fd = open_usb_device(0x16C0, 0x0478);
if (uhid_teensy_fd < 0)
uhid_teensy_fd = open_usb_device(0x03eb, 0x2067);
if (uhid_teensy_fd < 0) return 0;
return 1;
}
int teensy_write(void *buf, int len, double timeout)
{
int r;
// TODO: implement timeout... how??
r = write(uhid_teensy_fd, buf, len);
if (r == len) return 1;
return 0;
}
void teensy_close(void)
{
if (uhid_teensy_fd >= 0) {
close(uhid_teensy_fd);
uhid_teensy_fd = -1;
}
}
int hard_reboot(void)
{
int r, rebootor_fd;
rebootor_fd = open_usb_device(0x16C0, 0x0477);
if (rebootor_fd < 0)
rebootor_fd = open_usb_device(0x03eb, 0x2067);
if (rebootor_fd < 0) return 0;
r = write(rebootor_fd, "reboot", 6);
delay(0.1);
close(rebootor_fd);
if (r == 6) return 1;
return 0;
}
#endif
/****************************************************************/
/* */
/* Read Intel Hex File */
/* */
/****************************************************************/
// the maximum flash image size we can support
// chips with larger memory may be used, but only this
// much intel-hex data can be loaded into memory!
#define MAX_MEMORY_SIZE 0x10000
static unsigned char firmware_image[MAX_MEMORY_SIZE];
static unsigned char firmware_mask[MAX_MEMORY_SIZE];
static int end_record_seen=0;
static int byte_count;
static unsigned int extended_addr = 0;
static int parse_hex_line(char *line);
int read_intel_hex(const char *filename)
{
FILE *fp;
int i, lineno=0;
char buf[1024];
byte_count = 0;
end_record_seen = 0;
for (i=0; i<MAX_MEMORY_SIZE; i++) {
firmware_image[i] = 0xFF;
firmware_mask[i] = 0;
}
extended_addr = 0;
fp = fopen(filename, "r");
if (fp == NULL) {
//printf("Unable to read file %s\n", filename);
return -1;
}
while (!feof(fp)) {
*buf = '\0';
if (!fgets(buf, sizeof(buf), fp)) break;
lineno++;
if (*buf) {
if (parse_hex_line(buf) == 0) {
//printf("Warning, parse error line %d\n", lineno);
fclose(fp);
return -2;
}
}
if (end_record_seen) break;
if (feof(stdin)) break;
}
fclose(fp);
return byte_count;
}
/* from ihex.c, at http://www.pjrc.com/tech/8051/pm2_docs/intel-hex.html */
/* parses a line of intel hex code, stores the data in bytes[] */
/* and the beginning address in addr, and returns a 1 if the */
/* line was valid, or a 0 if an error occurred. The variable */
/* num gets the number of bytes that were stored into bytes[] */
int
parse_hex_line(char *line)
{
int addr, code, num;
int sum, len, cksum, i;
char *ptr;
num = 0;
if (line[0] != ':') return 0;
if (strlen(line) < 11) return 0;
ptr = line+1;
if (!sscanf(ptr, "%02x", &len)) return 0;
ptr += 2;
if ((int)strlen(line) < (11 + (len * 2)) ) return 0;
if (!sscanf(ptr, "%04x", &addr)) return 0;
ptr += 4;
/* printf("Line: length=%d Addr=%d\n", len, addr); */
if (!sscanf(ptr, "%02x", &code)) return 0;
if (addr + extended_addr + len >= MAX_MEMORY_SIZE) return 0;
ptr += 2;
sum = (len & 255) + ((addr >> 8) & 255) + (addr & 255) + (code & 255);
if (code != 0) {
if (code == 1) {
end_record_seen = 1;
return 1;
}
if (code == 2 && len == 2) {
if (!sscanf(ptr, "%04x", &i)) return 1;
ptr += 4;
sum += ((i >> 8) & 255) + (i & 255);
if (!sscanf(ptr, "%02x", &cksum)) return 1;
if (((sum & 255) + (cksum & 255)) & 255) return 1;
extended_addr = i << 4;
//printf("ext addr = %05X\n", extended_addr);
}
if (code == 4 && len == 2) {
if (!sscanf(ptr, "%04x", &i)) return 1;
ptr += 4;
sum += ((i >> 8) & 255) + (i & 255);
if (!sscanf(ptr, "%02x", &cksum)) return 1;
if (((sum & 255) + (cksum & 255)) & 255) return 1;
extended_addr = i << 16;
//printf("ext addr = %08X\n", extended_addr);
}
return 1; // non-data line
}
byte_count += len;
while (num != len) {
if (sscanf(ptr, "%02x", &i) != 1) return 0;
i &= 255;
firmware_image[addr + extended_addr + num] = i;
firmware_mask[addr + extended_addr + num] = 1;
ptr += 2;
sum += i;
(num)++;
if (num >= 256) return 0;
}
if (!sscanf(ptr, "%02x", &cksum)) return 0;
if (((sum & 255) + (cksum & 255)) & 255) return 0; /* checksum error */
return 1;
}
int ihex_bytes_within_range(int begin, int end)
{
int i;
if (begin < 0 || begin >= MAX_MEMORY_SIZE ||
end < 0 || end >= MAX_MEMORY_SIZE) {
return 0;
}
for (i=begin; i<=end; i++) {
if (firmware_mask[i]) return 1;
}
return 0;
}
void ihex_get_data(int addr, int len, unsigned char *bytes)
{
int i;
if (addr < 0 || len < 0 || addr + len >= MAX_MEMORY_SIZE) {
for (i=0; i<len; i++) {
bytes[i] = 255;
}
return;
}
for (i=0; i<len; i++) {
if (firmware_mask[addr]) {
bytes[i] = firmware_image[addr];
} else {
bytes[i] = 255;
}
addr++;
}
}
/****************************************************************/
/* */
/* Misc Functions */
/* */
/****************************************************************/
int printf_verbose(const char *format, ...)
{
va_list ap;
int r;
va_start(ap, format);
if (verbose) {
r = vprintf(format, ap);
fflush(stdout);
return r;
}
return 0;
}
void delay(double seconds)
{
#ifdef USE_WIN32
sleep(seconds * 1000.0);
#else
usleep(seconds * 1000000.0);
#endif
}
void die(const char *str, ...)
{
va_list ap;
va_start(ap, str);
vfprintf(stderr, str, ap);
fprintf(stderr, "\n");
exit(1);
}
#if defined USE_WIN32
#define strcasecmp stricmp
#endif
void parse_options(int argc, char **argv)
{
int i;
const char *arg;
for (i=1; i<argc; i++) {
arg = argv[i];
if (*arg == '-') {
if (strcmp(arg, "-w") == 0) {
wait_for_device_to_appear = 1;
} else if (strcmp(arg, "-r") == 0) {
hard_reboot_device = 1;
} else if (strcmp(arg, "-n") == 0) {
reboot_after_programming = 0;
} else if (strcmp(arg, "-v") == 0) {
verbose = 1;
} else if (strncmp(arg, "-mmcu=", 6) == 0) {
arg += 6;
if (strncmp(arg, "at90usb", 7) == 0) {
arg += 7;
} else if (strncmp(arg, "atmega", 6) == 0) {
arg += 6;
} else {
die("Unknown MCU type\n");
}
if (strncmp(arg, "128", 3) == 0) {
code_size = 128 * 1024;
block_size = 256;
} else if (strncmp(arg, "64", 2) == 0) {
code_size = 64 * 1024;
block_size = 256;
} else if (strncmp(arg, "32", 2) == 0) {
code_size = 32 * 1024;
block_size = 128;
} else if (strncmp(arg, "16", 2) == 0) {
code_size = 16 * 1024;
block_size = 128;
} else if (strncmp(arg, "8", 1) == 0) {
code_size = 8 * 1024;
block_size = 128;
} else {
die("Unknown MCU type\n");
}
}
} else {
filename = argv[i];
}
}
}
|
the_stack_data/28603.c | #include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char* readline();
// Complete the gridChallenge function below.
// Please either make the string static or allocate on the heap. For example,
// static char str[] = "hello world";
// return str;
//
// OR
//
// char* str = "hello world";
// return str;
//
int cmp(const void *a, const void *b) {
return *(char*)a - *(char*)b;
}
char* gridChallenge(int grid_count, char** grid) {
for (int r = 0; r < grid_count; r++) {
char *row = grid[r];
qsort(row, strlen(row), sizeof(char), cmp);
}
int len = strlen(grid[0]);
for (int c = 0; c < len; c++) {
for (int r = 0; r < grid_count - 1; r++) {
if (grid[r][c] > grid[r+1][c]) {
return "NO";
}
}
}
return "YES";
}
int main()
{
FILE* fptr = fopen(getenv("OUTPUT_PATH"), "w");
char* t_endptr;
char* t_str = readline();
int t = strtol(t_str, &t_endptr, 10);
if (t_endptr == t_str || *t_endptr != '\0') { exit(EXIT_FAILURE); }
for (int t_itr = 0; t_itr < t; t_itr++) {
char* n_endptr;
char* n_str = readline();
int n = strtol(n_str, &n_endptr, 10);
if (n_endptr == n_str || *n_endptr != '\0') { exit(EXIT_FAILURE); }
char** grid = malloc(n * sizeof(char*));
for (int i = 0; i < n; i++) {
char* grid_item = readline();
*(grid + i) = grid_item;
}
int grid_count = n;
char* result = gridChallenge(grid_count, grid);
fprintf(fptr, "%s\n", result);
}
fclose(fptr);
return 0;
}
char* readline() {
size_t alloc_length = 1024;
size_t data_length = 0;
char* data = malloc(alloc_length);
while (true) {
char* cursor = data + data_length;
char* line = fgets(cursor, alloc_length - data_length, stdin);
if (!line) { break; }
data_length += strlen(cursor);
if (data_length < alloc_length - 1 || data[data_length - 1] == '\n') { break; }
size_t new_length = alloc_length << 1;
data = realloc(data, new_length);
if (!data) { break; }
alloc_length = new_length;
}
if (data[data_length - 1] == '\n') {
data[data_length - 1] = '\0';
}
data = realloc(data, data_length);
return data;
}
|
the_stack_data/569688.c | /*
* @Author: The Soloist
* @Time: 2021-01-09 00:58:42
* @File: /static-binary/hook/hook-system.c
* @Description:
*
* gcc -static hook-system.c -o hook-system-mipsel.c
* gcc -static hook-system.c -o hook-system-mipseb.c
*/
|
the_stack_data/86075495.c | /*
Name P3_3.c
Description Determine whether the given number is odd or even
Author MCUxDaredevil (https://github.com/mcuxdaredevil)
Github Page https://github.com/MCUxDaredevil/c-codes-sem1
Support URL https://github.com/MCUxDaredevil/c-codes-sem1/issues
Discussions https://github.com/MCUxDaredevil/c-codes-sem1/discussions
License MIT
*/
#include<stdio.h>
int main() {
int a;
printf("\n\nEnter the number : ");
scanf("%d", &a);
if(a%2 == 0) { printf("\nEVEN\n\n"); }
else { printf("\nODD\n\n"); }
return 0;
}
|
the_stack_data/27615.c | #include <math.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <complex.h>
#ifdef complex
#undef complex
#endif
#ifdef I
#undef I
#endif
#if defined(_WIN64)
typedef long long BLASLONG;
typedef unsigned long long BLASULONG;
#else
typedef long BLASLONG;
typedef unsigned long BLASULONG;
#endif
#ifdef LAPACK_ILP64
typedef BLASLONG blasint;
#if defined(_WIN64)
#define blasabs(x) llabs(x)
#else
#define blasabs(x) labs(x)
#endif
#else
typedef int blasint;
#define blasabs(x) abs(x)
#endif
typedef blasint integer;
typedef unsigned int uinteger;
typedef char *address;
typedef short int shortint;
typedef float real;
typedef double doublereal;
typedef struct { real r, i; } complex;
typedef struct { doublereal r, i; } doublecomplex;
#ifdef _MSC_VER
static inline _Fcomplex Cf(complex *z) {_Fcomplex zz={z->r , z->i}; return zz;}
static inline _Dcomplex Cd(doublecomplex *z) {_Dcomplex zz={z->r , z->i};return zz;}
static inline _Fcomplex * _pCf(complex *z) {return (_Fcomplex*)z;}
static inline _Dcomplex * _pCd(doublecomplex *z) {return (_Dcomplex*)z;}
#else
static inline _Complex float Cf(complex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex double Cd(doublecomplex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex float * _pCf(complex *z) {return (_Complex float*)z;}
static inline _Complex double * _pCd(doublecomplex *z) {return (_Complex double*)z;}
#endif
#define pCf(z) (*_pCf(z))
#define pCd(z) (*_pCd(z))
typedef int logical;
typedef short int shortlogical;
typedef char logical1;
typedef char integer1;
#define TRUE_ (1)
#define FALSE_ (0)
/* Extern is for use with -E */
#ifndef Extern
#define Extern extern
#endif
/* I/O stuff */
typedef int flag;
typedef int ftnlen;
typedef int ftnint;
/*external read, write*/
typedef struct
{ flag cierr;
ftnint ciunit;
flag ciend;
char *cifmt;
ftnint cirec;
} cilist;
/*internal read, write*/
typedef struct
{ flag icierr;
char *iciunit;
flag iciend;
char *icifmt;
ftnint icirlen;
ftnint icirnum;
} icilist;
/*open*/
typedef struct
{ flag oerr;
ftnint ounit;
char *ofnm;
ftnlen ofnmlen;
char *osta;
char *oacc;
char *ofm;
ftnint orl;
char *oblnk;
} olist;
/*close*/
typedef struct
{ flag cerr;
ftnint cunit;
char *csta;
} cllist;
/*rewind, backspace, endfile*/
typedef struct
{ flag aerr;
ftnint aunit;
} alist;
/* inquire */
typedef struct
{ flag inerr;
ftnint inunit;
char *infile;
ftnlen infilen;
ftnint *inex; /*parameters in standard's order*/
ftnint *inopen;
ftnint *innum;
ftnint *innamed;
char *inname;
ftnlen innamlen;
char *inacc;
ftnlen inacclen;
char *inseq;
ftnlen inseqlen;
char *indir;
ftnlen indirlen;
char *infmt;
ftnlen infmtlen;
char *inform;
ftnint informlen;
char *inunf;
ftnlen inunflen;
ftnint *inrecl;
ftnint *innrec;
char *inblank;
ftnlen inblanklen;
} inlist;
#define VOID void
union Multitype { /* for multiple entry points */
integer1 g;
shortint h;
integer i;
/* longint j; */
real r;
doublereal d;
complex c;
doublecomplex z;
};
typedef union Multitype Multitype;
struct Vardesc { /* for Namelist */
char *name;
char *addr;
ftnlen *dims;
int type;
};
typedef struct Vardesc Vardesc;
struct Namelist {
char *name;
Vardesc **vars;
int nvars;
};
typedef struct Namelist Namelist;
#define abs(x) ((x) >= 0 ? (x) : -(x))
#define dabs(x) (fabs(x))
#define f2cmin(a,b) ((a) <= (b) ? (a) : (b))
#define f2cmax(a,b) ((a) >= (b) ? (a) : (b))
#define dmin(a,b) (f2cmin(a,b))
#define dmax(a,b) (f2cmax(a,b))
#define bit_test(a,b) ((a) >> (b) & 1)
#define bit_clear(a,b) ((a) & ~((uinteger)1 << (b)))
#define bit_set(a,b) ((a) | ((uinteger)1 << (b)))
#define abort_() { sig_die("Fortran abort routine called", 1); }
#define c_abs(z) (cabsf(Cf(z)))
#define c_cos(R,Z) { pCf(R)=ccos(Cf(Z)); }
#ifdef _MSC_VER
#define c_div(c, a, b) {Cf(c)._Val[0] = (Cf(a)._Val[0]/Cf(b)._Val[0]); Cf(c)._Val[1]=(Cf(a)._Val[1]/Cf(b)._Val[1]);}
#define z_div(c, a, b) {Cd(c)._Val[0] = (Cd(a)._Val[0]/Cd(b)._Val[0]); Cd(c)._Val[1]=(Cd(a)._Val[1]/df(b)._Val[1]);}
#else
#define c_div(c, a, b) {pCf(c) = Cf(a)/Cf(b);}
#define z_div(c, a, b) {pCd(c) = Cd(a)/Cd(b);}
#endif
#define c_exp(R, Z) {pCf(R) = cexpf(Cf(Z));}
#define c_log(R, Z) {pCf(R) = clogf(Cf(Z));}
#define c_sin(R, Z) {pCf(R) = csinf(Cf(Z));}
//#define c_sqrt(R, Z) {*(R) = csqrtf(Cf(Z));}
#define c_sqrt(R, Z) {pCf(R) = csqrtf(Cf(Z));}
#define d_abs(x) (fabs(*(x)))
#define d_acos(x) (acos(*(x)))
#define d_asin(x) (asin(*(x)))
#define d_atan(x) (atan(*(x)))
#define d_atn2(x, y) (atan2(*(x),*(y)))
#define d_cnjg(R, Z) { pCd(R) = conj(Cd(Z)); }
#define r_cnjg(R, Z) { pCf(R) = conjf(Cf(Z)); }
#define d_cos(x) (cos(*(x)))
#define d_cosh(x) (cosh(*(x)))
#define d_dim(__a, __b) ( *(__a) > *(__b) ? *(__a) - *(__b) : 0.0 )
#define d_exp(x) (exp(*(x)))
#define d_imag(z) (cimag(Cd(z)))
#define r_imag(z) (cimagf(Cf(z)))
#define d_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define r_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define d_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define r_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define d_log(x) (log(*(x)))
#define d_mod(x, y) (fmod(*(x), *(y)))
#define u_nint(__x) ((__x)>=0 ? floor((__x) + .5) : -floor(.5 - (__x)))
#define d_nint(x) u_nint(*(x))
#define u_sign(__a,__b) ((__b) >= 0 ? ((__a) >= 0 ? (__a) : -(__a)) : -((__a) >= 0 ? (__a) : -(__a)))
#define d_sign(a,b) u_sign(*(a),*(b))
#define r_sign(a,b) u_sign(*(a),*(b))
#define d_sin(x) (sin(*(x)))
#define d_sinh(x) (sinh(*(x)))
#define d_sqrt(x) (sqrt(*(x)))
#define d_tan(x) (tan(*(x)))
#define d_tanh(x) (tanh(*(x)))
#define i_abs(x) abs(*(x))
#define i_dnnt(x) ((integer)u_nint(*(x)))
#define i_len(s, n) (n)
#define i_nint(x) ((integer)u_nint(*(x)))
#define i_sign(a,b) ((integer)u_sign((integer)*(a),(integer)*(b)))
#define pow_dd(ap, bp) ( pow(*(ap), *(bp)))
#define pow_si(B,E) spow_ui(*(B),*(E))
#define pow_ri(B,E) spow_ui(*(B),*(E))
#define pow_di(B,E) dpow_ui(*(B),*(E))
#define pow_zi(p, a, b) {pCd(p) = zpow_ui(Cd(a), *(b));}
#define pow_ci(p, a, b) {pCf(p) = cpow_ui(Cf(a), *(b));}
#define pow_zz(R,A,B) {pCd(R) = cpow(Cd(A),*(B));}
#define s_cat(lpp, rpp, rnp, np, llp) { ftnlen i, nc, ll; char *f__rp, *lp; ll = (llp); lp = (lpp); for(i=0; i < (int)*(np); ++i) { nc = ll; if((rnp)[i] < nc) nc = (rnp)[i]; ll -= nc; f__rp = (rpp)[i]; while(--nc >= 0) *lp++ = *(f__rp)++; } while(--ll >= 0) *lp++ = ' '; }
#define s_cmp(a,b,c,d) ((integer)strncmp((a),(b),f2cmin((c),(d))))
#define s_copy(A,B,C,D) { int __i,__m; for (__i=0, __m=f2cmin((C),(D)); __i<__m && (B)[__i] != 0; ++__i) (A)[__i] = (B)[__i]; }
#define sig_die(s, kill) { exit(1); }
#define s_stop(s, n) {exit(0);}
static char junk[] = "\n@(#)LIBF77 VERSION 19990503\n";
#define z_abs(z) (cabs(Cd(z)))
#define z_exp(R, Z) {pCd(R) = cexp(Cd(Z));}
#define z_sqrt(R, Z) {pCd(R) = csqrt(Cd(Z));}
#define myexit_() break;
#define mycycle() continue;
#define myceiling(w) {ceil(w)}
#define myhuge(w) {HUGE_VAL}
//#define mymaxloc_(w,s,e,n) {if (sizeof(*(w)) == sizeof(double)) dmaxloc_((w),*(s),*(e),n); else dmaxloc_((w),*(s),*(e),n);}
#define mymaxloc(w,s,e,n) {dmaxloc_(w,*(s),*(e),n)}
/* procedure parameter types for -A and -C++ */
#define F2C_proc_par_types 1
#ifdef __cplusplus
typedef logical (*L_fp)(...);
#else
typedef logical (*L_fp)();
#endif
static float spow_ui(float x, integer n) {
float pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
static double dpow_ui(double x, integer n) {
double pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#ifdef _MSC_VER
static _Fcomplex cpow_ui(complex x, integer n) {
complex pow={1.0,0.0}; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x.r = 1/x.r, x.i=1/x.i;
for(u = n; ; ) {
if(u & 01) pow.r *= x.r, pow.i *= x.i;
if(u >>= 1) x.r *= x.r, x.i *= x.i;
else break;
}
}
_Fcomplex p={pow.r, pow.i};
return p;
}
#else
static _Complex float cpow_ui(_Complex float x, integer n) {
_Complex float pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#endif
#ifdef _MSC_VER
static _Dcomplex zpow_ui(_Dcomplex x, integer n) {
_Dcomplex pow={1.0,0.0}; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x._Val[0] = 1/x._Val[0], x._Val[1] =1/x._Val[1];
for(u = n; ; ) {
if(u & 01) pow._Val[0] *= x._Val[0], pow._Val[1] *= x._Val[1];
if(u >>= 1) x._Val[0] *= x._Val[0], x._Val[1] *= x._Val[1];
else break;
}
}
_Dcomplex p = {pow._Val[0], pow._Val[1]};
return p;
}
#else
static _Complex double zpow_ui(_Complex double x, integer n) {
_Complex double pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#endif
static integer pow_ii(integer x, integer n) {
integer pow; unsigned long int u;
if (n <= 0) {
if (n == 0 || x == 1) pow = 1;
else if (x != -1) pow = x == 0 ? 1/x : 0;
else n = -n;
}
if ((n > 0) || !(n == 0 || x == 1 || x != -1)) {
u = n;
for(pow = 1; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
static integer dmaxloc_(double *w, integer s, integer e, integer *n)
{
double m; integer i, mi;
for(m=w[s-1], mi=s, i=s+1; i<=e; i++)
if (w[i-1]>m) mi=i ,m=w[i-1];
return mi-s+1;
}
static integer smaxloc_(float *w, integer s, integer e, integer *n)
{
float m; integer i, mi;
for(m=w[s-1], mi=s, i=s+1; i<=e; i++)
if (w[i-1]>m) mi=i ,m=w[i-1];
return mi-s+1;
}
static inline void cdotc_(complex *z, integer *n_, complex *x, integer *incx_, complex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Fcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conjf(Cf(&x[i]))._Val[0] * Cf(&y[i])._Val[0];
zdotc._Val[1] += conjf(Cf(&x[i]))._Val[1] * Cf(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conjf(Cf(&x[i*incx]))._Val[0] * Cf(&y[i*incy])._Val[0];
zdotc._Val[1] += conjf(Cf(&x[i*incx]))._Val[1] * Cf(&y[i*incy])._Val[1];
}
}
pCf(z) = zdotc;
}
#else
_Complex float zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conjf(Cf(&x[i])) * Cf(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conjf(Cf(&x[i*incx])) * Cf(&y[i*incy]);
}
}
pCf(z) = zdotc;
}
#endif
static inline void zdotc_(doublecomplex *z, integer *n_, doublecomplex *x, integer *incx_, doublecomplex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Dcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conj(Cd(&x[i]))._Val[0] * Cd(&y[i])._Val[0];
zdotc._Val[1] += conj(Cd(&x[i]))._Val[1] * Cd(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conj(Cd(&x[i*incx]))._Val[0] * Cd(&y[i*incy])._Val[0];
zdotc._Val[1] += conj(Cd(&x[i*incx]))._Val[1] * Cd(&y[i*incy])._Val[1];
}
}
pCd(z) = zdotc;
}
#else
_Complex double zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conj(Cd(&x[i])) * Cd(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conj(Cd(&x[i*incx])) * Cd(&y[i*incy]);
}
}
pCd(z) = zdotc;
}
#endif
static inline void cdotu_(complex *z, integer *n_, complex *x, integer *incx_, complex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Fcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cf(&x[i])._Val[0] * Cf(&y[i])._Val[0];
zdotc._Val[1] += Cf(&x[i])._Val[1] * Cf(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cf(&x[i*incx])._Val[0] * Cf(&y[i*incy])._Val[0];
zdotc._Val[1] += Cf(&x[i*incx])._Val[1] * Cf(&y[i*incy])._Val[1];
}
}
pCf(z) = zdotc;
}
#else
_Complex float zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cf(&x[i]) * Cf(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cf(&x[i*incx]) * Cf(&y[i*incy]);
}
}
pCf(z) = zdotc;
}
#endif
static inline void zdotu_(doublecomplex *z, integer *n_, doublecomplex *x, integer *incx_, doublecomplex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Dcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cd(&x[i])._Val[0] * Cd(&y[i])._Val[0];
zdotc._Val[1] += Cd(&x[i])._Val[1] * Cd(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cd(&x[i*incx])._Val[0] * Cd(&y[i*incy])._Val[0];
zdotc._Val[1] += Cd(&x[i*incx])._Val[1] * Cd(&y[i*incy])._Val[1];
}
}
pCd(z) = zdotc;
}
#else
_Complex double zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cd(&x[i]) * Cd(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cd(&x[i*incx]) * Cd(&y[i*incy]);
}
}
pCd(z) = zdotc;
}
#endif
/* -- translated by f2c (version 20000121).
You must link the resulting object file with the libraries:
-lf2c -lm (in that order)
*/
/* > \brief \b SLASD4 computes the square root of the i-th updated eigenvalue of a positive symmetric rank-one
modification to a positive diagonal matrix. Used by sbdsdc. */
/* =========== DOCUMENTATION =========== */
/* Online html documentation available at */
/* http://www.netlib.org/lapack/explore-html/ */
/* > \htmlonly */
/* > Download SLASD4 + dependencies */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/slasd4.
f"> */
/* > [TGZ]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/slasd4.
f"> */
/* > [ZIP]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/slasd4.
f"> */
/* > [TXT]</a> */
/* > \endhtmlonly */
/* Definition: */
/* =========== */
/* SUBROUTINE SLASD4( N, I, D, Z, DELTA, RHO, SIGMA, WORK, INFO ) */
/* INTEGER I, INFO, N */
/* REAL RHO, SIGMA */
/* REAL D( * ), DELTA( * ), WORK( * ), Z( * ) */
/* > \par Purpose: */
/* ============= */
/* > */
/* > \verbatim */
/* > */
/* > This subroutine computes the square root of the I-th updated */
/* > eigenvalue of a positive symmetric rank-one modification to */
/* > a positive diagonal matrix whose entries are given as the squares */
/* > of the corresponding entries in the array d, and that */
/* > */
/* > 0 <= D(i) < D(j) for i < j */
/* > */
/* > and that RHO > 0. This is arranged by the calling routine, and is */
/* > no loss in generality. The rank-one modified system is thus */
/* > */
/* > diag( D ) * diag( D ) + RHO * Z * Z_transpose. */
/* > */
/* > where we assume the Euclidean norm of Z is 1. */
/* > */
/* > The method consists of approximating the rational functions in the */
/* > secular equation by simpler interpolating rational functions. */
/* > \endverbatim */
/* Arguments: */
/* ========== */
/* > \param[in] N */
/* > \verbatim */
/* > N is INTEGER */
/* > The length of all arrays. */
/* > \endverbatim */
/* > */
/* > \param[in] I */
/* > \verbatim */
/* > I is INTEGER */
/* > The index of the eigenvalue to be computed. 1 <= I <= N. */
/* > \endverbatim */
/* > */
/* > \param[in] D */
/* > \verbatim */
/* > D is REAL array, dimension ( N ) */
/* > The original eigenvalues. It is assumed that they are in */
/* > order, 0 <= D(I) < D(J) for I < J. */
/* > \endverbatim */
/* > */
/* > \param[in] Z */
/* > \verbatim */
/* > Z is REAL array, dimension ( N ) */
/* > The components of the updating vector. */
/* > \endverbatim */
/* > */
/* > \param[out] DELTA */
/* > \verbatim */
/* > DELTA is REAL array, dimension ( N ) */
/* > If N .ne. 1, DELTA contains (D(j) - sigma_I) in its j-th */
/* > component. If N = 1, then DELTA(1) = 1. The vector DELTA */
/* > contains the information necessary to construct the */
/* > (singular) eigenvectors. */
/* > \endverbatim */
/* > */
/* > \param[in] RHO */
/* > \verbatim */
/* > RHO is REAL */
/* > The scalar in the symmetric updating formula. */
/* > \endverbatim */
/* > */
/* > \param[out] SIGMA */
/* > \verbatim */
/* > SIGMA is REAL */
/* > The computed sigma_I, the I-th updated eigenvalue. */
/* > \endverbatim */
/* > */
/* > \param[out] WORK */
/* > \verbatim */
/* > WORK is REAL array, dimension ( N ) */
/* > If N .ne. 1, WORK contains (D(j) + sigma_I) in its j-th */
/* > component. If N = 1, then WORK( 1 ) = 1. */
/* > \endverbatim */
/* > */
/* > \param[out] INFO */
/* > \verbatim */
/* > INFO is INTEGER */
/* > = 0: successful exit */
/* > > 0: if INFO = 1, the updating process failed. */
/* > \endverbatim */
/* > \par Internal Parameters: */
/* ========================= */
/* > */
/* > \verbatim */
/* > Logical variable ORGATI (origin-at-i?) is used for distinguishing */
/* > whether D(i) or D(i+1) is treated as the origin. */
/* > */
/* > ORGATI = .true. origin at i */
/* > ORGATI = .false. origin at i+1 */
/* > */
/* > Logical variable SWTCH3 (switch-for-3-poles?) is for noting */
/* > if we are working with THREE poles! */
/* > */
/* > MAXIT is the maximum number of iterations allowed for each */
/* > eigenvalue. */
/* > \endverbatim */
/* Authors: */
/* ======== */
/* > \author Univ. of Tennessee */
/* > \author Univ. of California Berkeley */
/* > \author Univ. of Colorado Denver */
/* > \author NAG Ltd. */
/* > \date December 2016 */
/* > \ingroup OTHERauxiliary */
/* > \par Contributors: */
/* ================== */
/* > */
/* > Ren-Cang Li, Computer Science Division, University of California */
/* > at Berkeley, USA */
/* > */
/* ===================================================================== */
/* Subroutine */ int slasd4_(integer *n, integer *i__, real *d__, real *z__,
real *delta, real *rho, real *sigma, real *work, integer *info)
{
/* System generated locals */
integer i__1;
real r__1;
/* Local variables */
real dphi, sglb, dpsi, sgub;
integer iter;
real temp, prew, temp1, temp2, a, b, c__;
integer j;
real w, dtiim, delsq, dtiip;
integer niter;
real dtisq;
logical swtch;
real dtnsq;
extern /* Subroutine */ int slaed6_(integer *, logical *, real *, real *,
real *, real *, real *, integer *);
real delsq2;
extern /* Subroutine */ int slasd5_(integer *, real *, real *, real *,
real *, real *, real *);
real dd[3], dtnsq1;
logical swtch3;
integer ii;
real dw;
extern real slamch_(char *);
real zz[3];
logical orgati;
real erretm, dtipsq, rhoinv;
integer ip1;
real sq2, eta, phi, eps, tau, psi;
logical geomavg;
integer iim1, iip1;
real tau2;
/* -- LAPACK auxiliary routine (version 3.7.0) -- */
/* -- LAPACK is a software package provided by Univ. of Tennessee, -- */
/* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- */
/* December 2016 */
/* ===================================================================== */
/* Since this routine is called in an inner loop, we do no argument */
/* checking. */
/* Quick return for N=1 and 2. */
/* Parameter adjustments */
--work;
--delta;
--z__;
--d__;
/* Function Body */
*info = 0;
if (*n == 1) {
/* Presumably, I=1 upon entry */
*sigma = sqrt(d__[1] * d__[1] + *rho * z__[1] * z__[1]);
delta[1] = 1.f;
work[1] = 1.f;
return 0;
}
if (*n == 2) {
slasd5_(i__, &d__[1], &z__[1], &delta[1], rho, sigma, &work[1]);
return 0;
}
/* Compute machine epsilon */
eps = slamch_("Epsilon");
rhoinv = 1.f / *rho;
tau2 = 0.f;
/* The case I = N */
if (*i__ == *n) {
/* Initialize some basic variables */
ii = *n - 1;
niter = 1;
/* Calculate initial guess */
temp = *rho / 2.f;
/* If ||Z||_2 is not one, then TEMP should be set to */
/* RHO * ||Z||_2^2 / TWO */
temp1 = temp / (d__[*n] + sqrt(d__[*n] * d__[*n] + temp));
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
work[j] = d__[j] + d__[*n] + temp1;
delta[j] = d__[j] - d__[*n] - temp1;
/* L10: */
}
psi = 0.f;
i__1 = *n - 2;
for (j = 1; j <= i__1; ++j) {
psi += z__[j] * z__[j] / (delta[j] * work[j]);
/* L20: */
}
c__ = rhoinv + psi;
w = c__ + z__[ii] * z__[ii] / (delta[ii] * work[ii]) + z__[*n] * z__[*
n] / (delta[*n] * work[*n]);
if (w <= 0.f) {
temp1 = sqrt(d__[*n] * d__[*n] + *rho);
temp = z__[*n - 1] * z__[*n - 1] / ((d__[*n - 1] + temp1) * (d__[*
n] - d__[*n - 1] + *rho / (d__[*n] + temp1))) + z__[*n] *
z__[*n] / *rho;
/* The following TAU2 is to approximate */
/* SIGMA_n^2 - D( N )*D( N ) */
if (c__ <= temp) {
tau = *rho;
} else {
delsq = (d__[*n] - d__[*n - 1]) * (d__[*n] + d__[*n - 1]);
a = -c__ * delsq + z__[*n - 1] * z__[*n - 1] + z__[*n] * z__[*
n];
b = z__[*n] * z__[*n] * delsq;
if (a < 0.f) {
tau2 = b * 2.f / (sqrt(a * a + b * 4.f * c__) - a);
} else {
tau2 = (a + sqrt(a * a + b * 4.f * c__)) / (c__ * 2.f);
}
tau = tau2 / (d__[*n] + sqrt(d__[*n] * d__[*n] + tau2));
}
/* It can be proved that */
/* D(N)^2+RHO/2 <= SIGMA_n^2 < D(N)^2+TAU2 <= D(N)^2+RHO */
} else {
delsq = (d__[*n] - d__[*n - 1]) * (d__[*n] + d__[*n - 1]);
a = -c__ * delsq + z__[*n - 1] * z__[*n - 1] + z__[*n] * z__[*n];
b = z__[*n] * z__[*n] * delsq;
/* The following TAU2 is to approximate */
/* SIGMA_n^2 - D( N )*D( N ) */
if (a < 0.f) {
tau2 = b * 2.f / (sqrt(a * a + b * 4.f * c__) - a);
} else {
tau2 = (a + sqrt(a * a + b * 4.f * c__)) / (c__ * 2.f);
}
tau = tau2 / (d__[*n] + sqrt(d__[*n] * d__[*n] + tau2));
/* It can be proved that */
/* D(N)^2 < D(N)^2+TAU2 < SIGMA(N)^2 < D(N)^2+RHO/2 */
}
/* The following TAU is to approximate SIGMA_n - D( N ) */
/* TAU = TAU2 / ( D( N )+SQRT( D( N )*D( N )+TAU2 ) ) */
*sigma = d__[*n] + tau;
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
delta[j] = d__[j] - d__[*n] - tau;
work[j] = d__[j] + d__[*n] + tau;
/* L30: */
}
/* Evaluate PSI and the derivative DPSI */
dpsi = 0.f;
psi = 0.f;
erretm = 0.f;
i__1 = ii;
for (j = 1; j <= i__1; ++j) {
temp = z__[j] / (delta[j] * work[j]);
psi += z__[j] * temp;
dpsi += temp * temp;
erretm += psi;
/* L40: */
}
erretm = abs(erretm);
/* Evaluate PHI and the derivative DPHI */
temp = z__[*n] / (delta[*n] * work[*n]);
phi = z__[*n] * temp;
dphi = temp * temp;
erretm = (-phi - psi) * 8.f + erretm - phi + rhoinv;
/* $ + ABS( TAU2 )*( DPSI+DPHI ) */
w = rhoinv + phi + psi;
/* Test for convergence */
if (abs(w) <= eps * erretm) {
goto L240;
}
/* Calculate the new step */
++niter;
dtnsq1 = work[*n - 1] * delta[*n - 1];
dtnsq = work[*n] * delta[*n];
c__ = w - dtnsq1 * dpsi - dtnsq * dphi;
a = (dtnsq + dtnsq1) * w - dtnsq * dtnsq1 * (dpsi + dphi);
b = dtnsq * dtnsq1 * w;
if (c__ < 0.f) {
c__ = abs(c__);
}
if (c__ == 0.f) {
eta = *rho - *sigma * *sigma;
} else if (a >= 0.f) {
eta = (a + sqrt((r__1 = a * a - b * 4.f * c__, abs(r__1)))) / (
c__ * 2.f);
} else {
eta = b * 2.f / (a - sqrt((r__1 = a * a - b * 4.f * c__, abs(r__1)
)));
}
/* Note, eta should be positive if w is negative, and */
/* eta should be negative otherwise. However, */
/* if for some reason caused by roundoff, eta*w > 0, */
/* we simply use one Newton step instead. This way */
/* will guarantee eta*w < 0. */
if (w * eta > 0.f) {
eta = -w / (dpsi + dphi);
}
temp = eta - dtnsq;
if (temp > *rho) {
eta = *rho + dtnsq;
}
eta /= *sigma + sqrt(eta + *sigma * *sigma);
tau += eta;
*sigma += eta;
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
delta[j] -= eta;
work[j] += eta;
/* L50: */
}
/* Evaluate PSI and the derivative DPSI */
dpsi = 0.f;
psi = 0.f;
erretm = 0.f;
i__1 = ii;
for (j = 1; j <= i__1; ++j) {
temp = z__[j] / (work[j] * delta[j]);
psi += z__[j] * temp;
dpsi += temp * temp;
erretm += psi;
/* L60: */
}
erretm = abs(erretm);
/* Evaluate PHI and the derivative DPHI */
tau2 = work[*n] * delta[*n];
temp = z__[*n] / tau2;
phi = z__[*n] * temp;
dphi = temp * temp;
erretm = (-phi - psi) * 8.f + erretm - phi + rhoinv;
/* $ + ABS( TAU2 )*( DPSI+DPHI ) */
w = rhoinv + phi + psi;
/* Main loop to update the values of the array DELTA */
iter = niter + 1;
for (niter = iter; niter <= 400; ++niter) {
/* Test for convergence */
if (abs(w) <= eps * erretm) {
goto L240;
}
/* Calculate the new step */
dtnsq1 = work[*n - 1] * delta[*n - 1];
dtnsq = work[*n] * delta[*n];
c__ = w - dtnsq1 * dpsi - dtnsq * dphi;
a = (dtnsq + dtnsq1) * w - dtnsq1 * dtnsq * (dpsi + dphi);
b = dtnsq1 * dtnsq * w;
if (a >= 0.f) {
eta = (a + sqrt((r__1 = a * a - b * 4.f * c__, abs(r__1)))) /
(c__ * 2.f);
} else {
eta = b * 2.f / (a - sqrt((r__1 = a * a - b * 4.f * c__, abs(
r__1))));
}
/* Note, eta should be positive if w is negative, and */
/* eta should be negative otherwise. However, */
/* if for some reason caused by roundoff, eta*w > 0, */
/* we simply use one Newton step instead. This way */
/* will guarantee eta*w < 0. */
if (w * eta > 0.f) {
eta = -w / (dpsi + dphi);
}
temp = eta - dtnsq;
if (temp <= 0.f) {
eta /= 2.f;
}
eta /= *sigma + sqrt(eta + *sigma * *sigma);
tau += eta;
*sigma += eta;
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
delta[j] -= eta;
work[j] += eta;
/* L70: */
}
/* Evaluate PSI and the derivative DPSI */
dpsi = 0.f;
psi = 0.f;
erretm = 0.f;
i__1 = ii;
for (j = 1; j <= i__1; ++j) {
temp = z__[j] / (work[j] * delta[j]);
psi += z__[j] * temp;
dpsi += temp * temp;
erretm += psi;
/* L80: */
}
erretm = abs(erretm);
/* Evaluate PHI and the derivative DPHI */
tau2 = work[*n] * delta[*n];
temp = z__[*n] / tau2;
phi = z__[*n] * temp;
dphi = temp * temp;
erretm = (-phi - psi) * 8.f + erretm - phi + rhoinv;
/* $ + ABS( TAU2 )*( DPSI+DPHI ) */
w = rhoinv + phi + psi;
/* L90: */
}
/* Return with INFO = 1, NITER = MAXIT and not converged */
*info = 1;
goto L240;
/* End for the case I = N */
} else {
/* The case for I < N */
niter = 1;
ip1 = *i__ + 1;
/* Calculate initial guess */
delsq = (d__[ip1] - d__[*i__]) * (d__[ip1] + d__[*i__]);
delsq2 = delsq / 2.f;
sq2 = sqrt((d__[*i__] * d__[*i__] + d__[ip1] * d__[ip1]) / 2.f);
temp = delsq2 / (d__[*i__] + sq2);
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
work[j] = d__[j] + d__[*i__] + temp;
delta[j] = d__[j] - d__[*i__] - temp;
/* L100: */
}
psi = 0.f;
i__1 = *i__ - 1;
for (j = 1; j <= i__1; ++j) {
psi += z__[j] * z__[j] / (work[j] * delta[j]);
/* L110: */
}
phi = 0.f;
i__1 = *i__ + 2;
for (j = *n; j >= i__1; --j) {
phi += z__[j] * z__[j] / (work[j] * delta[j]);
/* L120: */
}
c__ = rhoinv + psi + phi;
w = c__ + z__[*i__] * z__[*i__] / (work[*i__] * delta[*i__]) + z__[
ip1] * z__[ip1] / (work[ip1] * delta[ip1]);
geomavg = FALSE_;
if (w > 0.f) {
/* d(i)^2 < the ith sigma^2 < (d(i)^2+d(i+1)^2)/2 */
/* We choose d(i) as origin. */
orgati = TRUE_;
ii = *i__;
sglb = 0.f;
sgub = delsq2 / (d__[*i__] + sq2);
a = c__ * delsq + z__[*i__] * z__[*i__] + z__[ip1] * z__[ip1];
b = z__[*i__] * z__[*i__] * delsq;
if (a > 0.f) {
tau2 = b * 2.f / (a + sqrt((r__1 = a * a - b * 4.f * c__, abs(
r__1))));
} else {
tau2 = (a - sqrt((r__1 = a * a - b * 4.f * c__, abs(r__1)))) /
(c__ * 2.f);
}
/* TAU2 now is an estimation of SIGMA^2 - D( I )^2. The */
/* following, however, is the corresponding estimation of */
/* SIGMA - D( I ). */
tau = tau2 / (d__[*i__] + sqrt(d__[*i__] * d__[*i__] + tau2));
temp = sqrt(eps);
if (d__[*i__] <= temp * d__[ip1] && (r__1 = z__[*i__], abs(r__1))
<= temp && d__[*i__] > 0.f) {
/* Computing MIN */
r__1 = d__[*i__] * 10.f;
tau = f2cmin(r__1,sgub);
geomavg = TRUE_;
}
} else {
/* (d(i)^2+d(i+1)^2)/2 <= the ith sigma^2 < d(i+1)^2/2 */
/* We choose d(i+1) as origin. */
orgati = FALSE_;
ii = ip1;
sglb = -delsq2 / (d__[ii] + sq2);
sgub = 0.f;
a = c__ * delsq - z__[*i__] * z__[*i__] - z__[ip1] * z__[ip1];
b = z__[ip1] * z__[ip1] * delsq;
if (a < 0.f) {
tau2 = b * 2.f / (a - sqrt((r__1 = a * a + b * 4.f * c__, abs(
r__1))));
} else {
tau2 = -(a + sqrt((r__1 = a * a + b * 4.f * c__, abs(r__1))))
/ (c__ * 2.f);
}
/* TAU2 now is an estimation of SIGMA^2 - D( IP1 )^2. The */
/* following, however, is the corresponding estimation of */
/* SIGMA - D( IP1 ). */
tau = tau2 / (d__[ip1] + sqrt((r__1 = d__[ip1] * d__[ip1] + tau2,
abs(r__1))));
}
*sigma = d__[ii] + tau;
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
work[j] = d__[j] + d__[ii] + tau;
delta[j] = d__[j] - d__[ii] - tau;
/* L130: */
}
iim1 = ii - 1;
iip1 = ii + 1;
/* Evaluate PSI and the derivative DPSI */
dpsi = 0.f;
psi = 0.f;
erretm = 0.f;
i__1 = iim1;
for (j = 1; j <= i__1; ++j) {
temp = z__[j] / (work[j] * delta[j]);
psi += z__[j] * temp;
dpsi += temp * temp;
erretm += psi;
/* L150: */
}
erretm = abs(erretm);
/* Evaluate PHI and the derivative DPHI */
dphi = 0.f;
phi = 0.f;
i__1 = iip1;
for (j = *n; j >= i__1; --j) {
temp = z__[j] / (work[j] * delta[j]);
phi += z__[j] * temp;
dphi += temp * temp;
erretm += phi;
/* L160: */
}
w = rhoinv + phi + psi;
/* W is the value of the secular function with */
/* its ii-th element removed. */
swtch3 = FALSE_;
if (orgati) {
if (w < 0.f) {
swtch3 = TRUE_;
}
} else {
if (w > 0.f) {
swtch3 = TRUE_;
}
}
if (ii == 1 || ii == *n) {
swtch3 = FALSE_;
}
temp = z__[ii] / (work[ii] * delta[ii]);
dw = dpsi + dphi + temp * temp;
temp = z__[ii] * temp;
w += temp;
erretm = (phi - psi) * 8.f + erretm + rhoinv * 2.f + abs(temp) * 3.f;
/* $ + ABS( TAU2 )*DW */
/* Test for convergence */
if (abs(w) <= eps * erretm) {
goto L240;
}
if (w <= 0.f) {
sglb = f2cmax(sglb,tau);
} else {
sgub = f2cmin(sgub,tau);
}
/* Calculate the new step */
++niter;
if (! swtch3) {
dtipsq = work[ip1] * delta[ip1];
dtisq = work[*i__] * delta[*i__];
if (orgati) {
/* Computing 2nd power */
r__1 = z__[*i__] / dtisq;
c__ = w - dtipsq * dw + delsq * (r__1 * r__1);
} else {
/* Computing 2nd power */
r__1 = z__[ip1] / dtipsq;
c__ = w - dtisq * dw - delsq * (r__1 * r__1);
}
a = (dtipsq + dtisq) * w - dtipsq * dtisq * dw;
b = dtipsq * dtisq * w;
if (c__ == 0.f) {
if (a == 0.f) {
if (orgati) {
a = z__[*i__] * z__[*i__] + dtipsq * dtipsq * (dpsi +
dphi);
} else {
a = z__[ip1] * z__[ip1] + dtisq * dtisq * (dpsi +
dphi);
}
}
eta = b / a;
} else if (a <= 0.f) {
eta = (a - sqrt((r__1 = a * a - b * 4.f * c__, abs(r__1)))) /
(c__ * 2.f);
} else {
eta = b * 2.f / (a + sqrt((r__1 = a * a - b * 4.f * c__, abs(
r__1))));
}
} else {
/* Interpolation using THREE most relevant poles */
dtiim = work[iim1] * delta[iim1];
dtiip = work[iip1] * delta[iip1];
temp = rhoinv + psi + phi;
if (orgati) {
temp1 = z__[iim1] / dtiim;
temp1 *= temp1;
c__ = temp - dtiip * (dpsi + dphi) - (d__[iim1] - d__[iip1]) *
(d__[iim1] + d__[iip1]) * temp1;
zz[0] = z__[iim1] * z__[iim1];
if (dpsi < temp1) {
zz[2] = dtiip * dtiip * dphi;
} else {
zz[2] = dtiip * dtiip * (dpsi - temp1 + dphi);
}
} else {
temp1 = z__[iip1] / dtiip;
temp1 *= temp1;
c__ = temp - dtiim * (dpsi + dphi) - (d__[iip1] - d__[iim1]) *
(d__[iim1] + d__[iip1]) * temp1;
if (dphi < temp1) {
zz[0] = dtiim * dtiim * dpsi;
} else {
zz[0] = dtiim * dtiim * (dpsi + (dphi - temp1));
}
zz[2] = z__[iip1] * z__[iip1];
}
zz[1] = z__[ii] * z__[ii];
dd[0] = dtiim;
dd[1] = delta[ii] * work[ii];
dd[2] = dtiip;
slaed6_(&niter, &orgati, &c__, dd, zz, &w, &eta, info);
if (*info != 0) {
/* If INFO is not 0, i.e., SLAED6 failed, switch back */
/* to 2 pole interpolation. */
swtch3 = FALSE_;
*info = 0;
dtipsq = work[ip1] * delta[ip1];
dtisq = work[*i__] * delta[*i__];
if (orgati) {
/* Computing 2nd power */
r__1 = z__[*i__] / dtisq;
c__ = w - dtipsq * dw + delsq * (r__1 * r__1);
} else {
/* Computing 2nd power */
r__1 = z__[ip1] / dtipsq;
c__ = w - dtisq * dw - delsq * (r__1 * r__1);
}
a = (dtipsq + dtisq) * w - dtipsq * dtisq * dw;
b = dtipsq * dtisq * w;
if (c__ == 0.f) {
if (a == 0.f) {
if (orgati) {
a = z__[*i__] * z__[*i__] + dtipsq * dtipsq * (
dpsi + dphi);
} else {
a = z__[ip1] * z__[ip1] + dtisq * dtisq * (dpsi +
dphi);
}
}
eta = b / a;
} else if (a <= 0.f) {
eta = (a - sqrt((r__1 = a * a - b * 4.f * c__, abs(r__1)))
) / (c__ * 2.f);
} else {
eta = b * 2.f / (a + sqrt((r__1 = a * a - b * 4.f * c__,
abs(r__1))));
}
}
}
/* Note, eta should be positive if w is negative, and */
/* eta should be negative otherwise. However, */
/* if for some reason caused by roundoff, eta*w > 0, */
/* we simply use one Newton step instead. This way */
/* will guarantee eta*w < 0. */
if (w * eta >= 0.f) {
eta = -w / dw;
}
eta /= *sigma + sqrt(*sigma * *sigma + eta);
temp = tau + eta;
if (temp > sgub || temp < sglb) {
if (w < 0.f) {
eta = (sgub - tau) / 2.f;
} else {
eta = (sglb - tau) / 2.f;
}
if (geomavg) {
if (w < 0.f) {
if (tau > 0.f) {
eta = sqrt(sgub * tau) - tau;
}
} else {
if (sglb > 0.f) {
eta = sqrt(sglb * tau) - tau;
}
}
}
}
prew = w;
tau += eta;
*sigma += eta;
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
work[j] += eta;
delta[j] -= eta;
/* L170: */
}
/* Evaluate PSI and the derivative DPSI */
dpsi = 0.f;
psi = 0.f;
erretm = 0.f;
i__1 = iim1;
for (j = 1; j <= i__1; ++j) {
temp = z__[j] / (work[j] * delta[j]);
psi += z__[j] * temp;
dpsi += temp * temp;
erretm += psi;
/* L180: */
}
erretm = abs(erretm);
/* Evaluate PHI and the derivative DPHI */
dphi = 0.f;
phi = 0.f;
i__1 = iip1;
for (j = *n; j >= i__1; --j) {
temp = z__[j] / (work[j] * delta[j]);
phi += z__[j] * temp;
dphi += temp * temp;
erretm += phi;
/* L190: */
}
tau2 = work[ii] * delta[ii];
temp = z__[ii] / tau2;
dw = dpsi + dphi + temp * temp;
temp = z__[ii] * temp;
w = rhoinv + phi + psi + temp;
erretm = (phi - psi) * 8.f + erretm + rhoinv * 2.f + abs(temp) * 3.f;
/* $ + ABS( TAU2 )*DW */
swtch = FALSE_;
if (orgati) {
if (-w > abs(prew) / 10.f) {
swtch = TRUE_;
}
} else {
if (w > abs(prew) / 10.f) {
swtch = TRUE_;
}
}
/* Main loop to update the values of the array DELTA and WORK */
iter = niter + 1;
for (niter = iter; niter <= 400; ++niter) {
/* Test for convergence */
if (abs(w) <= eps * erretm) {
/* $ .OR. (SGUB-SGLB).LE.EIGHT*ABS(SGUB+SGLB) ) THEN */
goto L240;
}
if (w <= 0.f) {
sglb = f2cmax(sglb,tau);
} else {
sgub = f2cmin(sgub,tau);
}
/* Calculate the new step */
if (! swtch3) {
dtipsq = work[ip1] * delta[ip1];
dtisq = work[*i__] * delta[*i__];
if (! swtch) {
if (orgati) {
/* Computing 2nd power */
r__1 = z__[*i__] / dtisq;
c__ = w - dtipsq * dw + delsq * (r__1 * r__1);
} else {
/* Computing 2nd power */
r__1 = z__[ip1] / dtipsq;
c__ = w - dtisq * dw - delsq * (r__1 * r__1);
}
} else {
temp = z__[ii] / (work[ii] * delta[ii]);
if (orgati) {
dpsi += temp * temp;
} else {
dphi += temp * temp;
}
c__ = w - dtisq * dpsi - dtipsq * dphi;
}
a = (dtipsq + dtisq) * w - dtipsq * dtisq * dw;
b = dtipsq * dtisq * w;
if (c__ == 0.f) {
if (a == 0.f) {
if (! swtch) {
if (orgati) {
a = z__[*i__] * z__[*i__] + dtipsq * dtipsq *
(dpsi + dphi);
} else {
a = z__[ip1] * z__[ip1] + dtisq * dtisq * (
dpsi + dphi);
}
} else {
a = dtisq * dtisq * dpsi + dtipsq * dtipsq * dphi;
}
}
eta = b / a;
} else if (a <= 0.f) {
eta = (a - sqrt((r__1 = a * a - b * 4.f * c__, abs(r__1)))
) / (c__ * 2.f);
} else {
eta = b * 2.f / (a + sqrt((r__1 = a * a - b * 4.f * c__,
abs(r__1))));
}
} else {
/* Interpolation using THREE most relevant poles */
dtiim = work[iim1] * delta[iim1];
dtiip = work[iip1] * delta[iip1];
temp = rhoinv + psi + phi;
if (swtch) {
c__ = temp - dtiim * dpsi - dtiip * dphi;
zz[0] = dtiim * dtiim * dpsi;
zz[2] = dtiip * dtiip * dphi;
} else {
if (orgati) {
temp1 = z__[iim1] / dtiim;
temp1 *= temp1;
temp2 = (d__[iim1] - d__[iip1]) * (d__[iim1] + d__[
iip1]) * temp1;
c__ = temp - dtiip * (dpsi + dphi) - temp2;
zz[0] = z__[iim1] * z__[iim1];
if (dpsi < temp1) {
zz[2] = dtiip * dtiip * dphi;
} else {
zz[2] = dtiip * dtiip * (dpsi - temp1 + dphi);
}
} else {
temp1 = z__[iip1] / dtiip;
temp1 *= temp1;
temp2 = (d__[iip1] - d__[iim1]) * (d__[iim1] + d__[
iip1]) * temp1;
c__ = temp - dtiim * (dpsi + dphi) - temp2;
if (dphi < temp1) {
zz[0] = dtiim * dtiim * dpsi;
} else {
zz[0] = dtiim * dtiim * (dpsi + (dphi - temp1));
}
zz[2] = z__[iip1] * z__[iip1];
}
}
dd[0] = dtiim;
dd[1] = delta[ii] * work[ii];
dd[2] = dtiip;
slaed6_(&niter, &orgati, &c__, dd, zz, &w, &eta, info);
if (*info != 0) {
/* If INFO is not 0, i.e., SLAED6 failed, switch */
/* back to two pole interpolation */
swtch3 = FALSE_;
*info = 0;
dtipsq = work[ip1] * delta[ip1];
dtisq = work[*i__] * delta[*i__];
if (! swtch) {
if (orgati) {
/* Computing 2nd power */
r__1 = z__[*i__] / dtisq;
c__ = w - dtipsq * dw + delsq * (r__1 * r__1);
} else {
/* Computing 2nd power */
r__1 = z__[ip1] / dtipsq;
c__ = w - dtisq * dw - delsq * (r__1 * r__1);
}
} else {
temp = z__[ii] / (work[ii] * delta[ii]);
if (orgati) {
dpsi += temp * temp;
} else {
dphi += temp * temp;
}
c__ = w - dtisq * dpsi - dtipsq * dphi;
}
a = (dtipsq + dtisq) * w - dtipsq * dtisq * dw;
b = dtipsq * dtisq * w;
if (c__ == 0.f) {
if (a == 0.f) {
if (! swtch) {
if (orgati) {
a = z__[*i__] * z__[*i__] + dtipsq *
dtipsq * (dpsi + dphi);
} else {
a = z__[ip1] * z__[ip1] + dtisq * dtisq *
(dpsi + dphi);
}
} else {
a = dtisq * dtisq * dpsi + dtipsq * dtipsq *
dphi;
}
}
eta = b / a;
} else if (a <= 0.f) {
eta = (a - sqrt((r__1 = a * a - b * 4.f * c__, abs(
r__1)))) / (c__ * 2.f);
} else {
eta = b * 2.f / (a + sqrt((r__1 = a * a - b * 4.f *
c__, abs(r__1))));
}
}
}
/* Note, eta should be positive if w is negative, and */
/* eta should be negative otherwise. However, */
/* if for some reason caused by roundoff, eta*w > 0, */
/* we simply use one Newton step instead. This way */
/* will guarantee eta*w < 0. */
if (w * eta >= 0.f) {
eta = -w / dw;
}
eta /= *sigma + sqrt(*sigma * *sigma + eta);
temp = tau + eta;
if (temp > sgub || temp < sglb) {
if (w < 0.f) {
eta = (sgub - tau) / 2.f;
} else {
eta = (sglb - tau) / 2.f;
}
if (geomavg) {
if (w < 0.f) {
if (tau > 0.f) {
eta = sqrt(sgub * tau) - tau;
}
} else {
if (sglb > 0.f) {
eta = sqrt(sglb * tau) - tau;
}
}
}
}
prew = w;
tau += eta;
*sigma += eta;
i__1 = *n;
for (j = 1; j <= i__1; ++j) {
work[j] += eta;
delta[j] -= eta;
/* L200: */
}
/* Evaluate PSI and the derivative DPSI */
dpsi = 0.f;
psi = 0.f;
erretm = 0.f;
i__1 = iim1;
for (j = 1; j <= i__1; ++j) {
temp = z__[j] / (work[j] * delta[j]);
psi += z__[j] * temp;
dpsi += temp * temp;
erretm += psi;
/* L210: */
}
erretm = abs(erretm);
/* Evaluate PHI and the derivative DPHI */
dphi = 0.f;
phi = 0.f;
i__1 = iip1;
for (j = *n; j >= i__1; --j) {
temp = z__[j] / (work[j] * delta[j]);
phi += z__[j] * temp;
dphi += temp * temp;
erretm += phi;
/* L220: */
}
tau2 = work[ii] * delta[ii];
temp = z__[ii] / tau2;
dw = dpsi + dphi + temp * temp;
temp = z__[ii] * temp;
w = rhoinv + phi + psi + temp;
erretm = (phi - psi) * 8.f + erretm + rhoinv * 2.f + abs(temp) *
3.f;
/* $ + ABS( TAU2 )*DW */
if (w * prew > 0.f && abs(w) > abs(prew) / 10.f) {
swtch = ! swtch;
}
/* L230: */
}
/* Return with INFO = 1, NITER = MAXIT and not converged */
*info = 1;
}
L240:
return 0;
/* End of SLASD4 */
} /* slasd4_ */
|
the_stack_data/69899.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_advanced_sort_wordtab.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: akharrou <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/05 08:15:51 by akharrou #+# #+# */
/* Updated: 2018/11/06 21:00:32 by akharrou ### ########.fr */
/* */
/* ************************************************************************** */
void ft_swap(char **s1, char **s2)
{
char *temp;
temp = *s1;
*s1 = *s2;
*s2 = temp;
}
void ft_advanced_sort_wordtab(char **tab, int (*cmp)(char *, char *))
{
int i;
int end;
end = 0;
while (tab[end])
end++;
while (end > 1)
{
i = -1;
while (++i < end - 1)
if ((*cmp)(tab[i], tab[i + 1]) > 0)
ft_swap(&tab[i], &tab[i + 1]);
end--;
}
}
|
the_stack_data/153268795.c | /* ===== ===== =====
Theory of Programming
Edit Distance Algorithm - Memory Optimised
http://theoryofprogramming.com/2016/11/06/dynamic-programming-edit-distance/
GitHub - https://github.com/VamsiSangam/theoryofprogramming
Code Contributor - Vamsi Sangam
===== ===== ===== */
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 10001
int min(int a, int b, int c)
{
if (a <= b && a <= c) {
return a;
} else if (b <= a && b <= c) {
return b;
} else {
return c;
}
}
int editDistance(char a[], char b[])
{
int aLength = strlen(a), bLength = strlen(b);
int i, j;
if (aLength < bLength) {
char * tempPointer = a;
a = b;
b = tempPointer;
int temp = aLength;
aLength = bLength;
bLength = temp;
}
int prev[bLength + 1];
for (j = 0; j <= bLength; ++j) {
prev[j] = j;
}
int curr[bLength + 1];
for (i = 1; i <= aLength; ++i) {
curr[0] = i;
for (j = 1; j <= bLength; ++j) {
if (a[i - 1] == b[j - 1]) {
curr[j] = prev[j - 1];
} else {
curr[j] = 1 + min(
prev[j - 1],
prev[j],
curr[j - 1]);
}
}
for (j = 0; j <= bLength; ++j) {
prev[j] = curr[j];
curr[j] = 0;
}
}
return prev[bLength];
}
int main()
{
int t;
scanf("%d", &t);
while (t--) {
char a[MAX_SIZE];
char b[MAX_SIZE];
scanf("%s", a);
scanf("%s", b);
printf("%d\n", editDistance(a, b));
}
return 0;
}
|
the_stack_data/178266430.c | #include <stdio.h>
struct student {
char name[50];
char address[100];
int roll;
float marks;
} s;
int main() {
printf("Enter information:\n");
printf("Enter name: ");
fgets(s.name, sizeof(s.name), stdin);
printf("Enter Address: ");
fgets(s.address, sizeof(s.name), stdin);
printf("Enter roll number: ");
scanf("%d", &s.roll);
printf("Enter marks: ");
scanf("%f", &s.marks);
printf("Displaying Information:\n");
printf("Name: ");
printf("%s", s.name);
printf("Roll number: %d\n", s.roll);
printf("Marks: %.1f\n", s.marks);
printf("Address: ");
printf("%s", s.address);
return 0;
} |
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