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the_stack_data/156392525.c | #include <stdio.h>
#include <unistd.h>
int main(int argc, char** argv){
if(argc!=2){
printf("Usage: %s [filename]\nPrints the contents of the file\n",argv[0]);
return 1;
}
if(access(argv[1],R_OK)){
printf("You do not have the permission to read the file %s!\n",argv[1]);
return 1;
}
setgid(getegid());
execl("/bin/cat","/bin/cat",argv[1],NULL);
}
|
the_stack_data/165768208.c | /*
* 141. 环形链表
给定一个链表，判断链表中是否有环。
如果链表中有某个节点，可以通过连续跟踪 next 指针再次到达，则链表中存在环。 为了表示给定链表中的环，我们使用整数 pos 来表示链表尾连接到链表中的位置（索引从 0 开始）。 如果 pos 是 -1，则在该链表中没有环。注意：pos 不作为参数进行传递，仅仅是为了标识链表的实际情况。
如果链表中存在环，则返回 true 。 否则，返回 false 。
*/
#include <stdio.h>
#include <stdbool.h>
struct ListNode {
int val;
struct ListNode *next;
};
/**
* 快慢指针方法来判断是否有环
* @param head 链表的头结点
* @return 是否有环
*/
bool hasCycle(struct ListNode *head) {
struct ListNode *fast, *slow;
fast = slow = head;
while (fast != NULL && fast->next != NULL) {
fast = fast->next->next;
slow = slow->next;
if (fast == slow)
return true;
}
return false;
}
int main()
{
printf("Hello, World!\n");
return 0;
}
|
the_stack_data/67325636.c | #include <stdio.h>
/* squeeze one or more blanks to a single one */
int main(void)
{
int c, lw;
lw = 0;
while ((c = getchar()) != EOF) {
// if (c == ' ' && lw == ' ')
// ;
// else
// putchar(c);
if (c != ' ' || lw != ' ')
putchar(c);
lw = c;
}
return 0;
}
|
the_stack_data/45450877.c | static int foo(char a, char b){return (a+3)*4;} int test146(){char f;f=3;return foo(f,4)+150;}
|
the_stack_data/742524.c | /* */
#include <quadmath.h>
int main(void){return 0;}
|
the_stack_data/15764089.c | //Classification: #intrinsic/p/BO/SIO/dA/strlen/lc/rp
//Written by: Igor Eremeev
//Reviewed by: Pomelov Sergey
//Comment: buffer overflow using strlen
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
int main (void)
{
int *p, i;
unsigned int a;
char buf[100];
p = (int*)malloc(sizeof(int) * 50);
if (p == 0) { return 1; }
fgets (buf, 35, stdin);
a = strlen(buf);
for(i = 0; i<a; i++) {
p[i] = i;
}
printf ("%d", p[a-1]);
free(p);
return 0;
}
|
the_stack_data/165769180.c | # 1 "benchmarks/ds-05-impl3.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "benchmarks/ds-05-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){
__ESBMC_assume(expression);
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
}
void __DSVERIFIER_assert(_Bool expression){
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 36, __extension__ __PRETTY_FUNCTION__); }))
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
void __DSVERIFIER_assert_msg(_Bool expression, char * msg){
printf("%s", msg);
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 41, __extension__ __PRETTY_FUNCTION__); }))
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
# 22 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 1
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 1 3 4
# 9 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 3 4
# 1 "/usr/include/stdint.h" 1 3 4
# 26 "/usr/include/stdint.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 27 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wchar.h" 1 3 4
# 29 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 30 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
typedef __uint8_t uint8_t;
typedef __uint16_t uint16_t;
typedef __uint32_t uint32_t;
typedef __uint64_t uint64_t;
# 38 "/usr/include/stdint.h" 2 3 4
typedef __int_least8_t int_least8_t;
typedef __int_least16_t int_least16_t;
typedef __int_least32_t int_least32_t;
typedef __int_least64_t int_least64_t;
typedef __uint_least8_t uint_least8_t;
typedef __uint_least16_t uint_least16_t;
typedef __uint_least32_t uint_least32_t;
typedef __uint_least64_t uint_least64_t;
typedef signed char int_fast8_t;
typedef long int int_fast16_t;
typedef long int int_fast32_t;
typedef long int int_fast64_t;
# 71 "/usr/include/stdint.h" 3 4
typedef unsigned char uint_fast8_t;
typedef unsigned long int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
typedef unsigned long int uint_fast64_t;
# 87 "/usr/include/stdint.h" 3 4
typedef long int intptr_t;
typedef unsigned long int uintptr_t;
# 101 "/usr/include/stdint.h" 3 4
typedef __intmax_t intmax_t;
typedef __uintmax_t uintmax_t;
# 10 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 2 3 4
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 1 "/usr/include/inttypes.h" 1 3 4
# 34 "/usr/include/inttypes.h" 3 4
typedef int __gwchar_t;
# 266 "/usr/include/inttypes.h" 3 4
typedef struct
{
long int quot;
long int rem;
} imaxdiv_t;
# 290 "/usr/include/inttypes.h" 3 4
extern intmax_t imaxabs (intmax_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern intmax_t strtoimax (const char *__restrict __nptr,
char **__restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t strtoumax (const char *__restrict __nptr,
char ** __restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern intmax_t wcstoimax (const __gwchar_t *__restrict __nptr,
__gwchar_t **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t wcstoumax (const __gwchar_t *__restrict __nptr,
__gwchar_t ** __restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
# 432 "/usr/include/inttypes.h" 3 4
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
extern implementation impl;
typedef int64_t fxp_t;
fxp_t _fxp_one;
fxp_t _fxp_half;
fxp_t _fxp_minus_one;
fxp_t _fxp_min;
fxp_t _fxp_max;
double _dbl_max;
double _dbl_min;
fxp_t _fxp_fmask;
fxp_t _fxp_imask;
static const double scale_factor[31] = { 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0,
128.0, 256.0, 512.0, 1024.0, 2048.0, 4096.0, 8192.0, 16384.0, 32768.0,
65536.0, 131072.0, 262144.0, 524288.0, 1048576.0, 2097152.0, 4194304.0,
8388608.0, 16777216.0, 33554432.0, 67108864.0, 134217728.0,
268435456.0, 536870912.0, 1073741824.0 };
static const double scale_factor_inv[31] = { 1.0, 0.5, 0.25, 0.125, 0.0625,
0.03125, 0.015625, 0.0078125, 0.00390625, 0.001953125, 0.0009765625,
0.00048828125, 0.000244140625, 0.0001220703125, 0.00006103515625,
0.000030517578125, 0.000015258789063, 0.000007629394531,
0.000003814697266, 0.000001907348633, 0.000000953674316,
0.000000476837158, 0.000000238418579, 0.000000119209290,
0.000000059604645, 0.000000029802322, 0.000000014901161,
0.000000007450581, 0.000000003725290, 0.000000001862645,
0.000000000931323 };
static const float rand_uni[10000] = { -0.486240329978498f, -0.0886462298529236f, -0.140307596103306f, 0.301096597450952f, 0.0993171079928659f, 0.971751769763271f, 0.985173975730828f, 0.555993645184930f, 0.582088652691427f, -0.153377496651175f, 0.383610009058905f, -0.335724126391271f, 0.978768141636516f, -0.276250018648572f, 0.390075705739569f, -0.179022404038782f, 0.690083827115783f, -0.872530132490992f, -0.970585763293203f, -0.581476053441704f, -0.532614615674888f, -0.239699306693312f, -0.678183014035494f, 0.349502640932782f, -0.210469890686263f, 0.841262085391842f, -0.473585465151401f, 0.659383565443701f, -0.651160036945754f, -0.961043527561335f, -0.0814927639199137f, 0.621303110569702f, -0.784529166943541f, 0.0238464770757800f, 0.392694728594110f, 0.776848735202001f, 0.0870059709310509f, 0.880563655271790f, 0.883457036977564f, -0.249235082877382f, -0.691040749216870f, 0.578731120064320f, -0.973932858000832f, -0.117699105431720f, -0.723831748151088f, -0.483149657477524f, -0.821277691383664f, -0.459725618100875f, 0.148175952221864f, 0.444306875534854f, -0.325610376336498f, 0.544142311404910f, -0.165319440455435f, 0.136706800705517f, 0.543312481350682f, 0.467210959764607f, -0.349266618228534f, -0.660110730565862f, 0.910332331495431f, 0.961049802789367f, -0.786168905164629f, 0.305648402726554f, 0.510815258508885f, 0.0950733260984060f, 0.173750645487898f, 0.144488668408672f, 0.0190031984466126f, -0.299194577636724f, 0.302411647442273f, -0.730462524226212f, 0.688646006554796f, 0.134948379722118f, 0.533716723458894f, -0.00226300779660438f, -0.561340777806718f, 0.450396313744017f, -0.569445876566955f, 0.954155246557698f, -0.255403882430676f, -0.759820984120828f, -0.855279790307514f, -0.147352581758156f, -0.302269055643746f, -0.642038024364086f, -0.367405981107491f, 0.491844011712164f, -0.542191710121194f, -0.938294043323732f, 0.683979894338020f, 0.294728290855287f, 0.00662691839443919f, -0.931040350582855f, 0.152356209974418f, 0.678620860551457f, 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# 102 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t wrap(fxp_t kX, fxp_t kLowerBound, fxp_t kUpperBound)
{
int32_t range_size = kUpperBound - kLowerBound + 1;
if (kX < kLowerBound){
kX += range_size * ((kLowerBound - kX) / range_size + 1);
}
return kLowerBound + (kX - kLowerBound) % range_size;
}
fxp_t fxp_get_int_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_imask) : in & _fxp_imask);
}
fxp_t fxp_get_frac_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_fmask) : in & _fxp_fmask);
}
float fxp_to_float(fxp_t fxp);
fxp_t fxp_quantize(fxp_t aquant) {
if (overflow_mode == 2) {
if(aquant < _fxp_min) {
return _fxp_min;
}
else if(aquant > _fxp_max) {
return _fxp_max;
}
}
else if (overflow_mode == 3) {
if(aquant < _fxp_min || aquant > _fxp_max) {
return wrap(aquant, _fxp_min, _fxp_max);
}
}
return (fxp_t) aquant;
}
void fxp_verify_overflow(fxp_t value){
fxp_quantize(value);
printf("An Overflow Occurred in system's output");
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
void fxp_verify_overflow_node(fxp_t value, char* msg){
if (1 == 2)
{
printf("%s",msg);
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
}
void fxp_verify_overflow_array(fxp_t array[], int n){
int i=0;
for(i=0; i<n;i++){
fxp_verify_overflow(array[i]);
}
}
fxp_t fxp_int_to_fxp(int in) {
fxp_t lin;
lin = (fxp_t) in*_fxp_one;
return lin;
}
int fxp_to_int(fxp_t fxp) {
if(fxp >= 0){
fxp += _fxp_half;
} else {
fxp -= _fxp_half;
}
fxp >>= impl.frac_bits;
return (int) fxp;
}
fxp_t fxp_float_to_fxp(float f) {
fxp_t tmp;
double ftemp;
ftemp = f * scale_factor[impl.frac_bits];
if(f >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
return tmp;
}
fxp_t fxp_double_to_fxp(double value) {
fxp_t tmp;
double ftemp = value * scale_factor[impl.frac_bits];
if (rounding_mode == 0){
if(value >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
} else if(rounding_mode == 1){
tmp = (fxp_t) ftemp;
double residue = ftemp - tmp;
if ((value < 0) && (residue != 0)){
ftemp = ftemp - 1;
tmp = (fxp_t) ftemp;
}
} else if (rounding_mode == 0){
tmp = (fxp_t) ftemp;
}
return tmp;
}
void fxp_float_to_fxp_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_float_to_fxp(f[i]);
}
}
void fxp_double_to_fxp_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_double_to_fxp(f[i]);
}
}
# 275 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
float fxp_to_float(fxp_t fxp) {
float f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
double fxp_to_double(fxp_t fxp) {
double f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
void fxp_to_float_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_float(r[i]);
}
}
void fxp_to_double_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_double(r[i]);
}
}
fxp_t fxp_abs(fxp_t a) {
fxp_t tmp;
tmp = ((a < 0) ? -(fxp_t)(a) : a);
tmp = fxp_quantize(tmp);
return tmp;
}
fxp_t fxp_add(fxp_t aadd, fxp_t badd) {
fxp_t tmpadd;
tmpadd = ((fxp_t)(aadd) + (fxp_t)(badd));
tmpadd = fxp_quantize(tmpadd);
return tmpadd;
}
fxp_t fxp_sub(fxp_t asub, fxp_t bsub) {
fxp_t tmpsub;
tmpsub = (fxp_t)((fxp_t)(asub) - (fxp_t)(bsub));
tmpsub = fxp_quantize(tmpsub);
return tmpsub;
}
fxp_t fxp_mult(fxp_t amult, fxp_t bmult) {
fxp_t tmpmult, tmpmultprec;
tmpmult = (fxp_t)((fxp_t)(amult)*(fxp_t)(bmult));
if (tmpmult >= 0) {
tmpmultprec = (tmpmult + ((tmpmult & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits;
} else {
tmpmultprec = -(((-tmpmult) + (((-tmpmult) & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits);
}
tmpmultprec = fxp_quantize(tmpmultprec);
return tmpmultprec;
}
# 372 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_div(fxp_t a, fxp_t b){
__DSVERIFIER_assume( b!=0 );
fxp_t tmpdiv = ((a << impl.frac_bits) / b);
tmpdiv = fxp_quantize(tmpdiv);
return tmpdiv;
}
fxp_t fxp_neg(fxp_t aneg) {
fxp_t tmpneg;
tmpneg = -(fxp_t)(aneg);
tmpneg = fxp_quantize(tmpneg);
return tmpneg;
}
# 398 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_sign(fxp_t a) {
return ((a == 0) ? 0 : ((a < 0) ? _fxp_minus_one : _fxp_one) );
}
fxp_t fxp_shrl(fxp_t in, int shift) {
return (fxp_t) (((unsigned int) in) >> shift);
}
fxp_t fxp_square(fxp_t a) {
return fxp_mult(a, a);
}
void fxp_print_int(fxp_t a) {
printf("\n%i", (int32_t)a);
}
void fxp_print_float(fxp_t a) {
printf("\n%f", fxp_to_float(a));
}
void fxp_print_float_array(fxp_t a[], int N) {
int i;
for(i = 0; i < N; ++i) {
printf("\n%f", fxp_to_float(a[i]));
}
}
void print_fxp_array_elements(char * name, fxp_t * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %jd ", v[i]);
}
printf("}\n");
}
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 1
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
void initialize_array(double v[], int n){
int i;
for(i=0; i<n; i++){
v[i] = 0;
}
}
void revert_array(double v[], double out[], int n){
initialize_array(out,n);
int i;
for(i=0; i<n; i++){
out[i] = v[n-i-1];
}
}
double internal_pow(double a, double b){
int i;
double acc = 1;
for (i=0; i < b; i++){
acc = acc*a;
}
return acc;
}
double internal_abs(double a){
return a < 0 ? -a : a;
}
int fatorial(int n){
return n == 0 ? 1 : n * fatorial(n-1);
}
int check_stability(double a[], int n){
int lines = 2 * n - 1;
int columns = n;
double m[lines][n];
int i,j;
double current_stability[n];
for (i=0; i < n; i++){
current_stability[i] = a[i];
}
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
if (sum <= 0){
printf("[DEBUG] the first constraint of Jury criteria failed: (F(1) > 0)");
return 0;
}
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
if (sum <= 0){
printf("[DEBUG] the second constraint of Jury criteria failed: (F(-1)*(-1)^n > 0)");
return 0;
}
if (internal_abs(a[n-1]) > a[0]){
printf("[DEBUG] the third constraint of Jury criteria failed: (abs(a0) < a_{n}*z^{n})");
return 0;
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
}
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
}
}
}
int first_is_positive = m[0][0] >= 0 ? 1 : 0;
for (i=0; i < lines; i++){
if (i % 2 == 0){
int line_is_positive = m[i][0] >= 0 ? 1 : 0;
if (first_is_positive != line_is_positive){
return 0;
}
continue;
}
}
return 1;
}
void poly_sum(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
Nans = Na>Nb? Na:Nb;
for (i=0; i<Nans; i++){
if (Na>Nb){
ans[i]=a[i];
if (i > Na-Nb-1){
ans[i]=ans[i]+b[i-Na+Nb];
}
}else {
ans[i]=b[i];
if (i> Nb - Na -1){
ans[i]=ans[i]+a[i-Nb+Na];
}
}
}
}
void poly_mult(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
int j;
int k;
Nans = Na+Nb-1;
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=0;
}
}
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=ans[k]+a[Na - i - 1]*b[Nb - j - 1];
}
}
}
void double_check_oscillations(double * y, int y_size){
__DSVERIFIER_assume(y[0] != y[y_size - 1]);
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
((void) sizeof ((
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ; else __assert_fail (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
"!(window_count == window_size)"
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h", 209, __extension__ __PRETTY_FUNCTION__); }))
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
;
}
}else{
break;
}
window_timer++;
}
}
}
void double_check_limit_cycle(double * y, int y_size){
double reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assert(desired_elements != found_elements);
}
void double_check_persistent_limit_cycle(double * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
double reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
double lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void print_array_elements(char * name, double * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %.32f ", v[i]);
}
printf("}\n");
}
void double_add_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] + m2[i][j];
}
}
}
void double_sub_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] - m2[i][j];
}
}
}
void double_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, double m1[4][4], double m2[4][4], double m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
double mult = (m1[i][k] * m2[k][j]);
m3[i][j] = m3[i][j] + (m1[i][k] * m2[k][j]);
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
m3[i][j] = fxp_add( m3[i][j], fxp_mult(m1[i][k] , m2[k][j]));
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_exp_matrix(unsigned int lines, unsigned int columns, fxp_t m1[4][4], unsigned int expNumber, fxp_t result[4][4]){
unsigned int i, j, l, k;
fxp_t m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = fxp_double_to_fxp(1.0);
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = fxp_add( result[i][j], fxp_mult(m2[i][k] , m1[k][j]));
}
}
}
}
}
void double_exp_matrix(unsigned int lines, unsigned int columns, double m1[4][4], unsigned int expNumber, double result[4][4]){
unsigned int i, j, k, l;
double m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = 1.0;
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = result[i][j] + (m2[i][k] * m1[k][j]);
}
}
}
}
}
void fxp_add_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) {
result[i][j] = fxp_add(m1[i][j] , m2[i][j]);
}
}
void fxp_sub_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = fxp_sub(m1[i][j] , m2[i][j]);
}
void print_matrix(double matrix[4][4], unsigned int lines, unsigned int columns){
printf("\nMatrix\n=====================\n\n");
unsigned int i, j;
for (i=0; i<lines; i++) {
for (j=0; j<columns; j++) {
printf("#matrix[%d][%d]: %2.2f ", i,j,matrix[i][j]);
}
printf("\n");
}
printf("\n");
}
double determinant(double a[4][4],int n)
{
int i,j,j1,j2;
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
double fxp_determinant(fxp_t a_fxp[4][4],int n)
{
int i,j,j1,j2;
double a[4][4];
for(i=0; i<n;i++){
for(j=0; j<n;j++){
a[i][j]= fxp_to_double(a_fxp[i][j]);
}
}
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
void transpose(double a[4][4], double b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
void fxp_transpose(fxp_t a[4][4], fxp_t b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
extern int generic_timer;
extern hardware hw;
double generic_timing_shift_l_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[0];
generic_timer += ((5 * hw.assembly.ldd) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.ld));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < N - 1; i++) {
generic_timer += ((17 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (6 * hw.assembly.mov) + (2 * hw.assembly.adiw) + (5 * hw.assembly.std) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbc)+ (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
z[i] = z[i + 1];
}
z[N - 1] = zIn;
generic_timer += ((12 * hw.assembly.ldd) + (6 * hw.assembly.mov) + (3 * hw.assembly.std) + (2 * hw.assembly.lsl) + (2 * hw.assembly.rol) + (1 * hw.assembly.adc) + (1 * hw.assembly.add) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in)+ (1 * hw.assembly.cli));
generic_timer += ((3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret));
return (zOut);
}
double generic_timing_shift_r_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[N - 1];
generic_timer += ((7 * hw.assembly.ldd) + (2 * hw.assembly.rol) + (2 * hw.assembly.lsl) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.add) + (1 * hw.assembly.adc) + (1 * hw.assembly.ld) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci));
generic_timer += ((2 * hw.assembly.ldd) + (2 * hw.assembly.std) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.rjmp));
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
generic_timer += ((15 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (4 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
}
z[0] = zIn;
generic_timer += ((10 * hw.assembly.ldd) + (5 * hw.assembly.mov) + (3 * hw.assembly.std) + (3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret) + (1 * hw.assembly.ret) + (1 * hw.assembly.cli) + (1 * hw.assembly.in) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw));
return zOut;
}
fxp_t shiftL(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
fxp_t shiftR(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
float shiftLfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
float shiftRfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftRDdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
double shiftRdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftLDouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
void shiftLboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[0];
zfOut = zf[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
zf[i] = zf[i + 1];
}
z[N - 1] = zIn;
zf[N - 1] = zfIn;
}
void shiftRboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[N - 1];
zfOut = zf[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
zf[i] = zf[i - 1];
}
z[0] = zIn;
zf[0] = zfIn;
}
int order(int Na, int Nb) {
return Na > Nb ? Na - 1 : Nb - 1;
}
void fxp_check_limit_cycle(fxp_t y[], int y_size){
fxp_t reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
__DSVERIFIER_assume(found_elements > 0);
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assume(found_elements == desired_elements);
__DSVERIFIER_assert(0);
}
void fxp_check_persistent_limit_cycle(fxp_t * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
fxp_t reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
fxp_t lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void fxp_check_oscillations(fxp_t y[] , int y_size){
__DSVERIFIER_assume((y[0] != y[y_size - 1]) && (y[y_size - 1] != y[y_size - 2]));
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
__DSVERIFIER_assert(!(window_count == window_size));
}
}else{
break;
}
window_timer++;
}
}
}
int fxp_ln(int x) {
int t, y;
y = 0xa65af;
if (x < 0x00008000)
x <<= 16, y -= 0xb1721;
if (x < 0x00800000)
x <<= 8, y -= 0x58b91;
if (x < 0x08000000)
x <<= 4, y -= 0x2c5c8;
if (x < 0x20000000)
x <<= 2, y -= 0x162e4;
if (x < 0x40000000)
x <<= 1, y -= 0x0b172;
t = x + (x >> 1);
if ((t & 0x80000000) == 0)
x = t, y -= 0x067cd;
t = x + (x >> 2);
if ((t & 0x80000000) == 0)
x = t, y -= 0x03920;
t = x + (x >> 3);
if ((t & 0x80000000) == 0)
x = t, y -= 0x01e27;
t = x + (x >> 4);
if ((t & 0x80000000) == 0)
x = t, y -= 0x00f85;
t = x + (x >> 5);
if ((t & 0x80000000) == 0)
x = t, y -= 0x007e1;
t = x + (x >> 6);
if ((t & 0x80000000) == 0)
x = t, y -= 0x003f8;
t = x + (x >> 7);
if ((t & 0x80000000) == 0)
x = t, y -= 0x001fe;
x = 0x80000000 - x;
y -= x >> 15;
return y;
}
double fxp_log10_low(double x) {
int xint = (int) (x * 65536.0 + 0.5);
int lnum = fxp_ln(xint);
int lden = fxp_ln(655360);
return ((double) lnum / (double) lden);
}
double fxp_log10(double x) {
if (x > 32767.0) {
if (x > 1073676289.0) {
x = x / 1073676289.0;
return fxp_log10_low(x) + 9.030873362;
}
x = x / 32767.0;
return fxp_log10_low(x) + 4.515436681;
}
return fxp_log10_low(x);
}
float snrVariance(float s[], float n[], int blksz) {
int i;
double sm = 0, nm = 0, sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sm += s[i];
nm += n[i];
}
sm /= blksz;
nm /= blksz;
for (i = 0; i < blksz; i++) {
sv += (s[i] - sm) * (s[i] - sm);
nv += (n[i] - nm) * (n[i] - nm);
}
if (nv != 0.0f) {
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 373, __extension__ __PRETTY_FUNCTION__); }))
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPower(float s[], float n[], int blksz) {
int i;
double sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sv += s[i] * s[i];
nv += n[i] * n[i];
}
if (nv != 0.0f) {
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 394, __extension__ __PRETTY_FUNCTION__); }))
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPoint(float s[], float n[], int blksz) {
int i;
double ratio = 0, power = 0;
for (i = 0; i < blksz; i++) {
if(n[i] == 0) continue;
ratio = s[i] / n[i];
if(ratio > 150.0f || ratio < -150.0f) continue;
power = ratio * ratio;
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"power >= 1.0f"
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 412, __extension__ __PRETTY_FUNCTION__); }))
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
}
return 9999.9f;
}
unsigned long next = 1;
int rand(void)
{
next = next*1103515245 + 12345;
return (unsigned int)(next/65536) % 32768;
}
void srand(unsigned int seed)
{
next = seed;
}
float iirIIOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 450, __extension__ __PRETTY_FUNCTION__); }))
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return sum;
}
float iirIItOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 477, __extension__ __PRETTY_FUNCTION__); }))
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
double iirIItOutTime_double(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 504, __extension__ __PRETTY_FUNCTION__); }))
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
void iirOutBoth(float yf[], float xf[], float af[], float bf[], float *sumf_ref,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t *sum_ref, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
fxp_t sum = 0;
float sumf = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
af_ptr = &af[1];
yf_ptr = &yf[Na - 1];
bf_ptr = &bf[0];
xf_ptr = &xf[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
sumf += *bf_ptr++ * *xf_ptr--;
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
sumf -= *af_ptr++ * *yf_ptr--;
}
*sum_ref = sum;
*sumf_ref = sumf;
}
fxp_t iirOutFixedL(fxp_t y[], fxp_t x[], fxp_t xin, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
return sum;
}
float iirOutFloatL(float y[], float x[], float xin, float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum += *b_ptr-- * *x_ptr++;
}
x[Nb - 1] = xin;
sum += *b_ptr-- * *x_ptr++;
for (j = 1; j < Na - 1; j++) {
sum -= *a_ptr-- * *y_ptr++;
y[j] = y[j+1];
}
if(Na>1) sum -= *a_ptr-- * *y_ptr++;
y[Na - 1] = sum;
return sum;
}
float iirOutBothL(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[i] = xf[i+1];
sumf += *bf_ptr-- * *xf_ptr++;
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[Nb - 1] = xfin;
sumf += *bf_ptr-- * *xf_ptr++;
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
sumf -= *af_ptr-- * *yf_ptr++;
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
if(Na>1) sumf -= *af_ptr-- * *yf_ptr++;
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
float iirOutBothL2(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i=0, j=1;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[i] = xf[i+1];
sumf += bf[Nb - 1 - i] * xf[i];
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[Nb - 1] = xfin;
sumf += bf[Nb - 1 - i] * xf[i];
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[j] = y[j+1];
sumf -= af[Na - j] * yf[j];
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[Na - 1] = sum;
if(Na>1) sumf -= af[Na - j] * yf[j];
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
# 25 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
extern digital_system ds;
extern hardware hw;
extern int generic_timer;
fxp_t fxp_direct_form_1(fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
}
fxp_verify_overflow_node(sum, "An Overflow Occurred in the node a0");
sum = fxp_div(sum,a[0]);
return fxp_quantize(sum);
}
fxp_t fxp_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr, *w_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] = fxp_sub(w[0], fxp_mult(*a_ptr++, *w_ptr++));
}
w[0] = fxp_add(w[0], x);
w[0] = fxp_div(w[0], a[0]);
fxp_verify_overflow_node(w[0], "An Overflow Occurred in the node b0");
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *w_ptr++));
}
return fxp_quantize(sum);
}
fxp_t fxp_transposed_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr;
fxp_t yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = fxp_add(fxp_mult(*b_ptr++, x), w[0]);
yout = fxp_div(yout, a[0]);
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] = fxp_sub(w[j], fxp_mult(*a_ptr++, yout));
}
if (j < Nb - 1) {
w[j] = fxp_add(w[j], fxp_mult(*b_ptr++, x));
}
}
fxp_verify_overflow_node(w[j], "An Overflow Occurred in the node a0");
return fxp_quantize(yout);
}
double double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb) {
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
double double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
double double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
float float_direct_form_1(float y[], float x[], float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
float float_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
float float_transposed_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
double double_direct_form_1_MSP430(double y[], double x[], double a[], double b[], int Na, int Nb){
int timer1 = 0;
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
int i, j;
timer1 += 91;
for (i = 0; i < Nb; i++){
sum += *b_ptr++ * *x_ptr--;
timer1 += 47;
}
for (j = 1; j < Na; j++){
sum -= *a_ptr++ * *y_ptr--;
timer1 += 57;
}
timer1 += 3;
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 235, __extension__ __PRETTY_FUNCTION__); }))
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 262, __extension__ __PRETTY_FUNCTION__); }))
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_transposed_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 291, __extension__ __PRETTY_FUNCTION__); }))
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return yout;
}
double generic_timing_double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb){
generic_timer += ((6 * hw.assembly.push) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (12 * hw.assembly.std));
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
generic_timer += ((12 * hw.assembly.std) + (12 * hw.assembly.ldd) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (1 * hw.assembly.adiw));
int i, j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < Nb; i++){
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.sbc) + (10 * hw.assembly.std) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum += *b_ptr++ * *x_ptr--;
}
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++){
generic_timer += ((22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (8 * hw.assembly.std) + (1 * hw.assembly.sbci) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.sbc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum -= *a_ptr++ * *y_ptr--;
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (6 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
generic_timer += ((10 * hw.assembly.std) + (6 * hw.assembly.ldd) + (2 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
generic_timer += ((23 * hw.assembly.ldd) + (32 * hw.assembly.mov) + (9 * hw.assembly.std) + (2 * hw.assembly.subi) + (3 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (2 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge));
}
w[0] += x;
w_ptr = &w[0];
generic_timer += ((13 * hw.assembly.ldd) + (12 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.st) + (1 * hw.assembly.ld) + (1 * hw.assembly.rcall));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (10 * hw.assembly.std) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (8 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
generic_timer += ((15 * hw.assembly.std) + (22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.brge) + (1 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
generic_timer += ((70 * hw.assembly.mov) + (65 * hw.assembly.ldd) + (12 * hw.assembly.lsl) + (12 * hw.assembly.rol) + (15 * hw.assembly.std) + (6 * hw.assembly.add) + (6 * hw.assembly.adc) + (2 * hw.assembly.adiw) + (3 * hw.assembly.cpc) + (3 * hw.assembly.cp) + (5 * hw.assembly.ld) + (4 * hw.assembly.rcall) + (5 * hw.assembly.subi) + (3 * hw.assembly.rjmp) + (2 * hw.assembly.brlt) + (3 * hw.assembly.st) + (2 * hw.assembly.sbci) + (3 * hw.assembly.sbc) + (1 * hw.assembly.brge));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (8 * hw.assembly.pop) + (3 * hw.assembly.out) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (1 * hw.assembly.adiw) + (1 * hw.assembly.ret));
return yout;
}
void double_direct_form_1_impl2(double x[], int x_size, double b[], int b_size, double a[], int a_size, double y[]){
int i = 0; int j = 0;
double v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = v[i] + x[i-j] * b[j];
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = y[i] + v[i];
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = y[i] + y[i-j] * ((-1) * a[j]);
}
}
}
void fxp_direct_form_1_impl2(fxp_t x[], int x_size, fxp_t b[], int b_size, fxp_t a[], int a_size, fxp_t y[]){
int i = 0; int j = 0;
fxp_t v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = fxp_add(v[i], fxp_mult(x[i-j], b[j]));
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = fxp_add(y[i], v[i]);
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = fxp_add(y[i], fxp_mult(y[i-j] , -a[j]));
}
}
}
# 26 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h"
# 1 "/usr/include/assert.h" 1 3 4
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
# 1 "/usr/include/assert.h" 1 3 4
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
int nchoosek(int n, int k){
if (k == 0)
return 1;
return (n * nchoosek(n - 1, k - 1)) / k;
}
void generate_delta_coefficients(double vetor[], double out[], int n, double delta){
int i,j;
int N = n - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + vetor[j]*nchoosek(N-j,i-j);
}
out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
}
void get_delta_transfer_function(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
generate_delta_coefficients(b, b_out, b_size, delta);
generate_delta_coefficients(a, a_out, a_size, delta);
}
void get_delta_transfer_function_with_base(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
int i,j;
int N = a_size - 1;
int M = b_size - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + a[j]*nchoosek(N-j,i-j);
}
a_out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
for(i=0; i<=M; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + b[j]*nchoosek(M-j,i-j);
}
b_out[i] = internal_pow(delta,M-i)*sum_delta_operator;
}
}
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h" 1
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h"
void ft_closedloop_series(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_num + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1 ;
double den_mult [Nans_den];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, ans_num, Nans_num);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den );
poly_sum(ans_num, Nans_num , den_mult, Nans_den , ans_den, Nans_den);
}
void ft_closedloop_sensitivity(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
int Nans_num_p = Nc_num + Nmodel_num-1;
Nans_den = Nc_den + Nmodel_den-1;
Nans_num = Nc_den + Nmodel_den-1;
double num_mult [Nans_num_p];
poly_mult(c_den, Nc_den, model_den, Nmodel_den, ans_num, Nans_num);
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nans_num_p);
poly_sum(ans_num, Nans_num, num_mult, Nans_num_p, ans_den, Nans_den);
}
void ft_closedloop_feedback(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_den + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1;
int Nnum_mult = Nc_num + Nmodel_num - 1;
double den_mult [Nans_den];
double num_mult [Nnum_mult];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nnum_mult);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den);
poly_sum(num_mult, Nnum_mult, den_mult, Nans_den, ans_den, Nans_den);
poly_mult(c_den, Nc_den, model_num, Nmodel_num, ans_num, Nans_num);
}
int check_stability_closedloop(double a[], int n, double plant_num[], int p_num_size, double plant_den[], int p_den_size){
int columns = n;
double m[2 * n - 1][n];
int i,j;
int first_is_positive = 0;
double * p_num = plant_num;
double * p_den = plant_den;
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
__DSVERIFIER_assert(sum > 0);
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
__DSVERIFIER_assert(sum > 0);
__DSVERIFIER_assert(internal_abs(a[n-1]) < a[0]);
for (i=0; i < 2 * n - 1; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
__DSVERIFIER_assert(m[i-2][0] > 0);
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
__DSVERIFIER_assert((m[0][0] >= 0) && (m[i][0] >= 0));
}
}
}
return 1;
}
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
extern digital_system ds;
extern digital_system plant;
extern digital_system control;
extern implementation impl;
extern filter_parameters filter;
extern hardware hw;
void initialization(){
if (impl.frac_bits >= 32){
printf("impl.frac_bits must be less than word width!\n");
}
if (impl.int_bits >= 32 - impl.frac_bits){
printf("impl.int_bits must be less than word width subtracted by precision!\n");
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
((void) sizeof ((
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ; else __assert_fail (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
"0"
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h", 33, __extension__ __PRETTY_FUNCTION__); }))
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
;
}
if(impl.frac_bits >= 31){
_fxp_one = 0x7fffffff;
}else{
_fxp_one = (0x00000001 << impl.frac_bits);
}
_fxp_half = (0x00000001 << (impl.frac_bits - 1));
_fxp_minus_one = -(0x00000001 << impl.frac_bits);
_fxp_min = -(0x00000001 << (impl.frac_bits + impl.int_bits - 1));
_fxp_max = (0x00000001 << (impl.frac_bits + impl.int_bits - 1)) - 1;
_fxp_fmask = ((((int32_t) 1) << impl.frac_bits) - 1);
_fxp_imask = ((0x80000000) >> (32 - impl.frac_bits - 1));
_dbl_min = _fxp_min;
_dbl_min /= (1 << impl.frac_bits);
_dbl_max = _fxp_max;
_dbl_max /= (1 << impl.frac_bits);
if ((impl.scale == 0) || (impl.scale == 1)){
impl.scale = 1;
return;
}
if (impl.min != 0){
impl.min = impl.min / impl.scale;
}
if (impl.max != 0){
impl.max = impl.max / impl.scale;
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
}
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h"
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
double double_state_space_representation(void){
double result1[4][4];
double result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
return _controller.outputs[0][0];
}
double fxp_state_space_representation(void){
fxp_t result1[4][4];
fxp_t result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t D_fpx[4][4];
fxp_t states_fpx[4][4];
fxp_t inputs_fpx[4][4];
fxp_t outputs_fpx[4][4];
for(i=0; i<4;i++){
for(j=0; j<4;j++){
A_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
B_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
C_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
D_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
states_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
inputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
D_fpx[i][j]= fxp_double_to_fxp(_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
states_fpx[i][j]= fxp_double_to_fxp(_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
inputs_fpx[i][j]= fxp_double_to_fxp(_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]= fxp_double_to_fxp(_controller.outputs[i][j]);
}
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,C_fpx,states_fpx,result1);
fxp_matrix_multiplication(nOutputs,nInputs,nInputs,1,D_fpx,inputs_fpx,result2);
fxp_add_matrix(nOutputs,
1,
result1,
result2,
outputs_fpx);
fxp_matrix_multiplication(nStates,nStates,nStates,1,A_fpx,states_fpx,result1);
fxp_matrix_multiplication(nStates,nInputs,nInputs,1,B_fpx,inputs_fpx,result2);
fxp_add_matrix(nStates,
1,
result1,
result2,
states_fpx);
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= fxp_to_double(states_fpx[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j]= fxp_to_double(outputs_fpx[i][j]);
}
}
return _controller.outputs[0][0];
}
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h"
double sinTyl(double x, int precision){
double sine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
sine = aux;
if (precision >= 1)
{
aux = x;
sine += aux;
if (precision >= 2)
{
aux = aux*xsquared;
sine -= aux/6;
if (precision >= 3)
{
aux = aux*xsquared;
sine +=aux/120;
if(precision >=4)
{
aux = aux*xsquared;
sine -=aux/5040;
if(precision >= 5)
{
aux = aux*xsquared;
sine +=aux/362880;
if(precision >= 6)
{
aux = aux*xsquared;
sine -=aux/39916800;
if (precision >= 7)
printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return sine;
}
double cosTyl(double x, int precision){
double cosine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function cosTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
cosine = aux;
if (precision >= 1)
{
aux = 1;
cosine = 1;
if (precision >= 2)
{
aux = xsquared;
cosine -= aux/2;
if (precision >= 3)
{
aux = aux*xsquared;
cosine += aux/24;
if(precision >=4)
{
aux = aux*xsquared;
cosine -=aux/720;
if(precision >= 5)
{
aux = aux*xsquared;
cosine +=aux/40320;
if(precision >= 6)
{
aux = aux*xsquared;
cosine -=aux/3628800;
if (precision >= 7) printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return cosine;
}
double atanTyl(double x, int precision){
double atangent;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
atangent = aux;
if (precision >= 1)
{
aux = x;
atangent = aux;
if (precision >= 2)
{
aux = xsquared;
atangent -= aux/3;
if (precision >= 3)
{
aux = aux*xsquared;
atangent += aux/5;
if(precision >=4)
{
aux = aux*xsquared;
atangent -=aux/7;
if (precision >= 7)
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision representation exceeded. Assuming maximum precision of 4\n");
}
}
}
}
}
return atangent;
}
float sqrt1(const float x)
{
const float xhalf = 0.5f*x;
union
{
float x;
int i;
} u;
u.x = x;
u.i = 0x5f3759df - (u.i >> 1);
return x*u.x*(1.5f - xhalf*u.x*u.x);
}
float sqrt2(const float x)
{
union
{
int i;
float x;
} u;
u.x = x;
u.i = (1<<29) + (u.i >> 1) - (1<<22);
return u.x;
}
float fabsolut(float x)
{
if (x < 0)
x = -x;
return x;
}
static float sqrt3(float val)
{
float x = val/10;
float dx;
double diff;
double min_tol = 0.00001;
int i, flag;
flag = 0;
if (val == 0 ) x = 0;
else
{
for (i=1;i<20;i++)
{
if (!flag)
{
dx = (val - (x*x)) / (2.0 * x);
x = x + dx;
diff = val - (x*x);
if (fabsolut(diff) <= min_tol) flag = 1;
}
else x =x;
}
}
return (x);
}
# 31 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_overflow(void) {
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 73 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 123 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 174 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
}
overflow_mode = 1;
fxp_verify_overflow_array(y, X_SIZE_VALUE);
return 0;
}
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 1
# 15 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
int verify_limit_cycle_state_space(void){
double stateMatrix[4][4];
double outputMatrix[4][4];
double arrayLimitCycle[4];
double result1[4][4];
double result2[4][4];
int i, j, k;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
stateMatrix[i][j]=0;
outputMatrix[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
k = 0;
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
int l;
for(l = 0; l < nStates; l++){
stateMatrix[l][k] = _controller.states[l][0];
}
for(l = 0; l < nOutputs; l++){
stateMatrix[l][k] = _controller.outputs[l][0];
}
k++;
}
printf("#matrix STATES -------------------------------");
print_matrix(stateMatrix,nStates,0);
printf("#matrix OUTPUTS -------------------------------");
print_matrix(outputMatrix,nOutputs,0);
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 93, __extension__ __PRETTY_FUNCTION__); }))
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
for(i=0; i<nStates;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = stateMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
for(i=0; i<nOutputs;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = outputMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 110, __extension__ __PRETTY_FUNCTION__); }))
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
}
int verify_limit_cycle(void){
overflow_mode = 3;
int i;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
__DSVERIFIER_assert(X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na);
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 168 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t xaux[ds.b_size];
int nondet_constant_input = nondet_int();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = nondet_constant_input;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t y0[ds.a_size];
fxp_t waux[Nw];
fxp_t w0[Nw];
# 206 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
# 228 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 278 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 34 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
extern digital_system ds;
extern implementation impl;
int verify_error(void){
overflow_mode = 2;
double a_cascade[100];
int a_cascade_size;
double b_cascade[100];
int b_cascade_size;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
double yf[X_SIZE_VALUE];
double xf[X_SIZE_VALUE];
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
double yfaux[ds.a_size];
double xfaux[ds.b_size];
double wfaux[Nw];
int i;
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
yfaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
xfaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
wfaux[i] = 0;
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
yf[i] = 0.0f;
xf[i] = fxp_to_double(x[i]);
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 139 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
shiftRboth(0.0f, wfaux, 0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
yf[i] = double_direct_form_2(wfaux, xf[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 169 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
double absolute_error = yf[i] - fxp_to_double(y[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 35 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 1
# 13 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
int verify_zero_input_limit_cycle(void){
overflow_mode = 3;
int i,j;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
((void) sizeof ((
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ; else __assert_fail (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
"X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na"
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h", 23, __extension__ __PRETTY_FUNCTION__); }))
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 71 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = 0;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
fxp_t y0[ds.a_size];
fxp_t w0[Nw];
# 104 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
for(i=0; i<X_SIZE_VALUE; ++i){
# 132 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
shiftR(0, waux, Nw);
y[i] = fxp_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 188 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
extern hardware hw;
int generic_timer = 0;
int verify_generic_timing(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
double initial_timer = generic_timer;
for (i = 0; i < X_SIZE_VALUE; ++i) {
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.adiw) + (2 * hw.assembly.std));
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.cpi) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
# 79 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
generic_timing_shift_r_double(0, waux, Nw);
y[i] = generic_timing_double_direct_form_2(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
double spent_time = (((double) generic_timer) * hw.cycle);
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
((void) sizeof ((
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ; else __assert_fail (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
"spent_time <= ds.sample_time"
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h", 89, __extension__ __PRETTY_FUNCTION__); }))
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
;
generic_timer = initial_timer;
}
return 0;
}
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_timing_msp_430(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
shiftR(0, waux, Nw);
y[i] = double_direct_form_2_MSP430(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 121 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
}
return 0;
}
# 38 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
extern digital_system ds;
extern implementation impl;
int verify_stability(void){
overflow_mode = 0;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
((void) sizeof ((
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ; else __assert_fail (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
"check_stability(_a, ds.a_size)"
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h", 37, __extension__ __PRETTY_FUNCTION__); }))
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
;
# 83 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
return 0;
}
# 39 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
extern digital_system ds;
extern implementation impl;
int verify_minimum_phase(void){
overflow_mode = 0;
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
__DSVERIFIER_assert(check_stability(_b, ds.b_size));
# 85 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
return 0;
}
# 40 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_stability_closedloop_using_dslib(void){
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 68 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
printf("Verifying stability for closedloop function\n");
__DSVERIFIER_assert(check_stability_closedloop(ans_den, ans_den_size, p_num, p_num_size, p_den, p_den_size));
return 0;
}
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
double nondet_double();
int verify_limit_cycle_closed_loop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
int i;
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux[i] = nondet_constant_input;
}
double yaux[ans_den_size];
double y0[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux[Nw];
double w0[Nw];
# 105 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= impl.min && waux[i] <= impl.max);
w0[i] = waux[i];
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
# 128 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
shiftRDdouble(0, waux, Nw);
y[i] = double_direct_form_2(waux, x[i], ans_den, ans_num, ans_den_size, ans_num_size);
}
double_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 42 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_error_closedloop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.a;
int p_den_size = plant.a_size;
double ans_num_double[100];
double ans_num_qtz[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den_qtz[100];
double ans_den_double[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 77 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
int i;
double y_qtz[X_SIZE_VALUE];
double y_double[X_SIZE_VALUE];
double x_qtz[X_SIZE_VALUE];
double x_double[X_SIZE_VALUE];
double xaux_qtz[ans_num_size];
double xaux_double[ans_num_size];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x_qtz[i] = nondet_constant_input;
x_double[i] = nondet_constant_input;
y_qtz[i] = 0;
y_double[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux_qtz[i] = nondet_constant_input;
xaux_double[i] = nondet_constant_input;
}
double yaux_qtz[ans_den_size];
double yaux_double[ans_den_size];
double y0_qtz[ans_den_size];
double y0_double[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux_qtz[Nw];
double waux_double[Nw];
double w0_qtz[Nw];
double w0_double[Nw];
for (i = 0; i < Nw; ++i) {
waux_qtz[i] = 0;
waux_double[i] = 0;
}
for(i=0; i<X_SIZE_VALUE; ++i){
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
shiftRDdouble(0, waux_qtz, Nw);
y_qtz[i] = double_direct_form_2(waux_qtz, x_qtz[i], ans_den_qtz, ans_num_qtz, ans_den_size, ans_num_size);
shiftRDdouble(0, waux_double, Nw);
y_double[i] = double_direct_form_2(waux_double, x_double[i], ans_den_double, ans_num_double, ans_den_size, ans_num_size);
# 156 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
double absolute_error = y_double[i] - fxp_to_double(y_qtz[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 43 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double new_state[4][4];
double new_stateFWL[4][4];
digital_system_state_space _controller_fxp;
digital_system_state_space _controller_double;
double ss_system_quantization_error(fxp_t inputs){
digital_system_state_space __backupController;
int i;
int j;
_controller.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
__backupController.A[i][j]= (_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
__backupController.B[i][j]= (_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
__backupController.C[i][j]= (_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
__backupController.D[i][j]= (_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
__backupController.states[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
__backupController.inputs[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
__backupController.outputs[i][j]= (_controller.outputs[i][j]);
}
}
double __quant_error = 0.0;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_state[i][j]);
}
}
double output_double = double_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
__backupController.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
_controller.A[i][j] = __backupController.A[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
_controller.B[i][j] = __backupController.B[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
_controller.C[i][j] = __backupController.C[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
_controller.D[i][j] = __backupController.D[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j] = __backupController.states[i][j];
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
_controller.inputs[i][j] = __backupController.inputs[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j] = __backupController.outputs[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_stateFWL[i][j]);
}
}
double output_fxp = fxp_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
__quant_error = output_double - output_fxp;
return __quant_error;
}
double fxp_ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double temp_result1[4][4];
double result2[4][4];
double temp_states[4][4];
fxp_t K_fxp[4][4];
fxp_t states_fxp[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_fxp.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
reference_aux[i][j]=0;
K_fxp[i][j] = 0;
}
}
for(i=0; i<nInputs;i++){
reference_aux[i][0]= reference;
}
for(i=0; i<4;i++){
states_fxp[i][0]=0;
}
for(i=0; i<nStates;i++){
K_fxp[0][i]= fxp_double_to_fxp(_controller_fxp.K[0][i]);
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for(k=0; k<nStates;k++)
{
states_fxp[k][0]= fxp_double_to_fxp(_controller_fxp.states[k][0]);
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,K_fxp,states_fxp,result_fxp);
fxp_t reference_fxp[4][4];
fxp_t result_fxp2[4][4];
for(k=0;k<nInputs;k++)
{
reference_fxp[k][0] =fxp_double_to_fxp(fxp_quantize(reference_aux[k][0]));
}
fxp_sub_matrix(nInputs,1, reference_fxp, result_fxp, result_fxp2);
for(k=0; k<nInputs;k++)
{
_controller_fxp.inputs[k][0] = fxp_to_double(fxp_quantize(result_fxp2[k][0]));
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_fxp.C,_controller_fxp.states,result1);
if(flag == 1)
{
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_fxp.D,_controller_fxp.inputs,result2);
}
double_add_matrix(nOutputs,1,result1,result2,_controller_fxp.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_fxp.A,_controller_fxp.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_fxp.B,_controller_fxp.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_fxp.states);
return _controller_fxp.outputs[0][0];
}
double ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double result2[4][4];
unsigned int i;
unsigned int j;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_double.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference_aux[i][j]= reference;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.K,_controller_double.states,result1);
double_sub_matrix(nInputs,1,reference_aux,result1, _controller_double.inputs);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.C,_controller_double.states,result1);
if(flag == 1)
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_double.D,_controller_double.inputs,result2);
double_add_matrix(nOutputs,1,result1,result2,_controller_double.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_double.A,_controller_double.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_double.B,_controller_double.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_double.states);
return _controller_double.outputs[0][0];
}
int verify_error_state_space(void){
int i,j;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
_controller_fxp = _controller;
_controller_double = _controller;
overflow_mode = 0;
fxp_t x[0];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < 0; ++i) {
x[i] = nondet_constant_input;
}
double __quant_error;
if(closed_loop){
for (i = 0; i < 0; ++i) {
__quant_error = ss_closed_loop_quantization_error(x[i]) - fxp_ss_closed_loop_quantization_error(x[i]);
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 354, __extension__ __PRETTY_FUNCTION__); }))
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
else {
for (i=0; i < 0; i++)
{
__quant_error = ss_system_quantization_error(x[i]);
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 361, __extension__ __PRETTY_FUNCTION__); }))
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
return 0;
}
# 44 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double fxp_ss_closed_loop_safety(){
double reference[4][4];
double result1[4][4];
double result2[4][4];
fxp_t K_fpx[4][4];
fxp_t outputs_fpx[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]=0;
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result_fxp[i][j]=0;
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]= fxp_double_to_fxp(_controller.K[i][j]);
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
if(flag == 1){
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
}
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
for(k=0; k<nOutputs;k++){
for(j=0; j<1;j++){
outputs_fpx[k][j]= fxp_double_to_fxp(_controller.outputs[k][j]);
}
}
fxp_matrix_multiplication(nInputs,nOutputs,nOutputs,1,K_fpx,outputs_fpx,result_fxp);
for(k=0; k<nInputs;k++){
for(j=0; j<1;j++){
result1[k][j]= fxp_to_double(result_fxp[k][j]);
}
}
printf("### fxp: U (before) = %.9f", _controller.inputs[0][0]);
printf("### fxp: reference = %.9f", reference[0][0]);
printf("### fxp: result1 = %.9f", result1[0][0]);
printf("### fxp: reference - result1 = %.9f", (reference[0][0] - result1[0][0]));
double_sub_matrix(nInputs,
1,
reference,
result1,
_controller.inputs);
printf("### fxp: Y = %.9f", _controller.outputs[0][0]);
printf("### fxp: U (after) = %.9f \n### \n### ", _controller.inputs[0][0]);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
}
return _controller.outputs[0][0];
}
int verify_safety_state_space(void){
fxp_t output_fxp = fxp_ss_closed_loop_safety();
double output_double = fxp_to_double(output_fxp);
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
((void) sizeof ((
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ; else __assert_fail (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
"output_double <= error_limit"
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h", 140, __extension__ __PRETTY_FUNCTION__); }))
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
;
return 0;
}
# 45 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 1
# 14 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
extern digital_system_state_space _controller;
int verify_controllability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t controllabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double controllabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
A_fpx[i][j] = 0.0;
B_fpx[i][j] = 0.0;
controllabilityMatrix[i][j] = 0.0;
backup[i][j] = 0.0;
backupSecond[i][j] = 0.0;
controllabilityMatrix_double[i][j] = 0.0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
fxp_t mimo_controllabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_fxp);
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(mimo_controllabilityMatrix_fxp[i][j]);
}
}
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 91, __extension__ __PRETTY_FUNCTION__); }))
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
fxp_exp_matrix(nStates,nStates,A_fpx,j,backup);
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(controllabilityMatrix[i][j]);
}
}
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 113, __extension__ __PRETTY_FUNCTION__); }))
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
int verify_controllability_double(void){
int i;
int j;
double controllabilityMatrix[4][4];
double backup[4][4];
double backupSecond[4][4];
double controllabilityMatrix_double[4][4];
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
double_exp_matrix(nStates,nStates,_controller.A,l,backup);
l++;
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
double mimo_controllabilityMatrix_double[4][4];
double_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_double);
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(mimo_controllabilityMatrix_double,nStates) != 0"
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 154, __extension__ __PRETTY_FUNCTION__); }))
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
double_exp_matrix(nStates,nStates,_controller.A,j,backup);
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix,nStates) != 0"
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 163, __extension__ __PRETTY_FUNCTION__); }))
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
# 46 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
extern digital_system_state_space _controller;
int verify_observability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t observabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double observabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix[i][j]= 0;
A_fpx[i][j]=0;
C_fpx[i][j]= 0;
backup[i][j]= 0;
backupSecond[i][j]= 0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
if(nOutputs > 1){
int l;
j = 0;
for(l=0; l<nStates;){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(int k = 0; k < nOutputs; k++){
for(i = 0; i<nStates;i++){
observabilityMatrix[j][i]= backupSecond[k][i];
}
j++;
}
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nOutputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(observabilityMatrix,backup,(nStates*nOutputs),nStates);
# 99 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
fxp_t mimo_observabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nOutputs),(nStates*nOutputs),nStates,backup,observabilityMatrix,mimo_observabilityMatrix_fxp);
# 112 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(mimo_observabilityMatrix_fxp[i][j]);
}
}
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 119, __extension__ __PRETTY_FUNCTION__); }))
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}else{
for(i=0; i<nStates;i++){
fxp_exp_matrix(nStates,nStates,A_fpx,i,backup);
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(j = 0; j<nStates;j++){
observabilityMatrix[i][j]= backupSecond[0][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(observabilityMatrix[i][j]);
}
}
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 134, __extension__ __PRETTY_FUNCTION__); }))
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}
return 0;
}
# 47 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
extern filter_parameters filter;
extern implementation impl;
extern digital_system ds;
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
void resp_mag(double* num, int lnum, double* den, int lden, double* res, int N) {
double w;
int m, i;
double out_numRe[N + 1];
double out_numIm[N + 1];
double out_denRe[N + 1];
double out_denIm[N + 1];
double old_out_Re;
double zero_test;
for (w = 0, i = 0; w <= 3.14159265358979323846; w += 3.14159265358979323846 / N, ++i) {
out_numRe[i] = num[0];
out_numIm[i] = 0;
for (m = 1; m < lnum; ++m) {
old_out_Re = out_numRe[i];
out_numRe[i] = cosTyl(w, 6) * out_numRe[i] - sinTyl(w, 6) * out_numIm[i] + num[m];
out_numIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_numIm[i];
}
out_denRe[i] = den[0];
out_denIm[i] = 0;
for (m = 1; m < lden; ++m) {
old_out_Re = out_denRe[i];
out_denRe[i] = cosTyl(w, 6) * out_denRe[i] - sinTyl(w, 6) * out_denIm[i] + den[m];
out_denIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_denIm[i];
}
res[i] = sqrt3(out_numRe[i] * out_numRe[i] + out_numIm[i] * out_numIm[i]);
zero_test = sqrt3(out_denRe[i] * out_denRe[i] + out_denIm[i] * out_denIm[i]);
__DSVERIFIER_assume(zero_test != 0);
res[i] = res[i] / zero_test;
}
}
int verify_magnitude(void) {
int freq_response_samples = 100;
double w;
double w_incr = 1.0 / freq_response_samples;
double res[freq_response_samples+1];
int i,j;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
resp_mag(ds.b, ds.b_size, ds.a, ds.a_size, res, freq_response_samples);
if (filter.type == 1) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wp) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w >= filter.wr) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
}
}
} else if (filter.type == 2) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wr) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w > filter.wp) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
}
}
} else {
__DSVERIFIER_assert(0);
}
return 0;
}
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
extern digital_system ds;
extern digital_system plant;
digital_system plant_cbmc;
extern digital_system controller;
extern implementation impl;
extern hardware hw;
extern digital_system_state_space _controller;
extern filter_parameters filter;
unsigned int nondet_uint();
extern void initials();
void validation();
void call_verification_task(void * verification_task);
void call_closedloop_verification_task(void * closedloop_verification_task);
float nondet_float();
double nondet_double();
int main(){
initialization();
validation();
if (1 == 0)
rounding_mode = 0;
else if (1 == 1)
rounding_mode = 1;
else if (1 == 2)
rounding_mode = 2;
if (2 == 3)
{
call_verification_task(&verify_overflow);
}
else if (2 == 2)
{
call_verification_task(&verify_limit_cycle);
}
else if (2 == 6)
{
call_verification_task(&verify_error);
}
else if (2 == 1)
{
call_verification_task(&verify_zero_input_limit_cycle);
}
else if (2 == 4)
{
call_verification_task(&verify_timing_msp_430);
}
else if (2 == 5)
{
call_verification_task(&verify_generic_timing);
}
else if (2 == 7)
{
call_verification_task(&verify_stability);
}
else if (2 == 8)
{
call_verification_task(&verify_minimum_phase);
}
else if (2 == 9)
{
call_closedloop_verification_task(&verify_stability_closedloop_using_dslib);
}
else if (2 == 10)
{
call_closedloop_verification_task(&verify_limit_cycle_closed_loop);
}
else if (2 == 11)
{
call_closedloop_verification_task(&verify_error_closedloop);
}
else if (2 == 12)
{
verify_error_state_space();
}
else if (2 == 16)
{
verify_safety_state_space();
}
else if (2 == 13)
{
verify_controllability();
}
else if (2 == 14)
{
verify_observability();
}
else if (2 == 15)
{
verify_limit_cycle_state_space();
}
else if (2 == 18)
{
call_verification_task(&verify_magnitude);
}
return 0;
}
void validation()
{
if (2 == 12 || 2 == 16 ||
2 == 15 || 2 == 13 ||
2 == 14)
{
if (0 == 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a K_SIZE to use this property in DSVerifier (use: -DK_SIZE=VALUE) *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
exit(1);
}
initials();
return;
}
if (((2 != 9) && (2 != 10) &&
(2 != 11)) && (ds.a_size == 0 || ds.b_size == 0))
{
printf("\n\n****************************************************************************\n");
printf("* set (ds and impl) parameters to check with DSVerifier *\n");
printf("****************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((2 == 9) || (2 == 10) ||
(2 == 11))
{
if (controller.a_size == 0 || plant.b_size == 0 || impl.int_bits == 0 )
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller, plant, and impl) parameters to check CLOSED LOOP with DSVerifier *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller and impl) parameters so that they do not overflow *\n");
printf("*****************************************************************************************************\n");
unsigned j;
for (j = 0; j < controller.a_size; ++j)
{
const double value=controller.a[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
for (j = 0; j < controller.b_size; ++j)
{
const double value=controller.b[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
}
if (controller.b_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.b_size; ++j)
{
if (controller.b[j]==0)
++zeros;
}
if (zeros == controller.b_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller numerator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (controller.a_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.a_size; ++j)
{
if (controller.a[j]==0)
++zeros;
}
if (zeros == controller.a_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller denominator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (0 == 0)
{
printf("\n\n***************************************************************************************************************\n");
printf("* set a connection mode to check CLOSED LOOP with DSVerifier (use: --connection-mode TYPE) *\n");
printf("***************************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (2 == 0)
{
printf("\n\n***************************************************************************************\n");
printf("* set the property to check with DSVerifier (use: --property NAME) *\n");
printf("***************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((2 == 3) || (2 == 2) || (2 == 1) ||
(2 == 10) || (2 == 11) ||
(2 == 4 || 2 == 5) || 2 == 6)
{
if ((5 == 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 (5 < 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE > 0 *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
X_SIZE_VALUE = 5;
}
}
if ((2 == 0) && (2 != 9) && (2 != 18))
{
printf("\n\n*********************************************************************************************\n");
printf("* set the realization to check with DSVerifier (use: --realization NAME) *\n");
printf("*********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if (2 == 6 || 2 == 11)
{
if (impl.max_error == 0)
{
printf("\n\n***********************************************************************\n");
printf("* provide the maximum expected error (use: impl.max_error) *\n");
printf("***********************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (2 == 4 || 2 == 5)
{
if (2 == 5 || 2 == 4)
{
if (hw.clock == 0l)
{
printf("\n\n***************************\n");
printf("* Clock could not be zero *\n");
printf("***************************\n");
__DSVERIFIER_assert(0);
}
hw.cycle = ((double) 1.0 / hw.clock);
if (hw.cycle < 0)
{
printf("\n\n*********************************************\n");
printf("* The cycle time could not be representable *\n");
printf("*********************************************\n");
__DSVERIFIER_assert(0);
}
if (ds.sample_time == 0)
{
printf("\n\n*****************************************************************************\n");
printf("* provide the sample time of the digital system (ds.sample_time) *\n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
}
if (2 == 18)
{
if (!((filter.Ap > 0) && (filter.Ac >0) && (filter.Ar >0)))
{
printf("\n\n*****************************************************************************\n");
printf("* set values bigger than 0 for Ap, Ac and Ar* \n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if ((2 == 7) || (2 == 8) || (2 == 9) ||
(2 == 10) || (2 == 11) || (2 == 12))
{
printf("\n\n******************************************\n");
printf("* Temporarily the cascade modes are disabled *\n");
printf("**********************************************\n");
__DSVERIFIER_assert(0);
}
}
void call_verification_task(void * verification_task)
{
int i = 0;
_Bool base_case_executed = 0;
if (0 == 2)
{
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ds.b_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ds.a_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
else
{
int i=0;
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ((ds.b[i] * ds.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ((ds.a[i] * ds.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
((void(*)())verification_task)();
}
void call_closedloop_verification_task(void * closedloop_verification_task)
{
_Bool base_case_executed = 0;
int i=0;
for(i=0; i<plant.b_size; i++)
{
if (plant.b_uncertainty[i] > 0)
{
double factor = ((plant.b[i] * plant.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.b[i] - factor;
double max = plant.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant.b[i] = nondet_double();
__DSVERIFIER_assume((plant.b[i] >= min) && (plant.b[i] <= max));
}else{
}
}
for(i=0; i<plant.a_size; i++)
{
if (plant.a_uncertainty[i] > 0)
{
double factor = ((plant.a[i] * plant.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.a[i] - factor;
double max = plant.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant.a[i] = nondet_double();
__DSVERIFIER_assume((plant.a[i] >= min) && (plant.a[i] <= max));
}
else
{
}
}
((void(*)())closedloop_verification_task)();
}
# 2 "benchmarks/ds-05-impl3.c" 2
digital_system ds = {
.b = { 2002.0, -4000.0, 1998.0 },
.b_size = 3,
.a = { 1.0, 0.0, -1.0 },
.a_size = 3,
.sample_time = 0.001
};
implementation impl = {
.int_bits = 13,
.frac_bits = 3,
.max = 1.0,
.min = -1.0
};
|
the_stack_data/85675.c | /* A slightly more convenient wrapper for gethostname
Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
Written by Miles Bader <[email protected]>
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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <unistd.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#if defined(STDC_HEADERS) || defined(HAVE_STDLIB_H)
#include <stdlib.h>
#endif
#include <string.h>
#include <errno.h>
#if !defined(__P)
#ifdef __STDC__
#define __P(x) x
#else
#define __P(x) ()
#endif
#endif
extern char *xmalloc __P ((size_t));
/* Return the name of the localhost. This is just a wrapper for gethostname,
which takes care of allocating a big enough buffer, and caches the result
after the first call (so the result should be copied before modification).
If something goes wrong, 0 is returned, and errno set. */
/* We no longer use static buffers, is to dangerous and
cause subtile bugs. */
char *
localhost (void)
{
char *buf = 0;
size_t buf_len = 0;
do
{
errno = 0;
buf_len = 128; /* Initial guess */
buf = xmalloc (buf_len);
if (! buf)
{
errno = ENOMEM;
return 0;
}
} while ((gethostname(buf, buf_len) == 0 && !memchr (buf, '\0', buf_len))
#ifdef ENAMETOOLONG
|| errno == ENAMETOOLONG
#endif
);
if (errno)
/* gethostname failed, abort. */
{
free (buf);
buf = 0;
}
return buf;
}
|
the_stack_data/423053.c | #include <stdio.h>
void normalise (char *string) {
for (int i = 0; string[i] != '\0'; i++) {
char smb = string[i];
if (smb >= 'A' && smb <= 'Z' )
string[i] += ' ';
else if (smb < 'a' || smb > 'z')
string[i] = '{';
}
}
int main () {
char string[1001];
int frequency[27] = {0};
fgets(string, 1000, stdin);
normalise(string);
for (int i = 0; string[i] != '\0'; i++) {
frequency[string[i] - 'a']++;
}
for (int i = 0; i < 26; i++)
if (frequency[i])
printf("%c - %d\n", i + 'a', frequency[i]);
}
|
the_stack_data/165766196.c | // DO NOT MODIFY THIS FILE DIRECTLY!
// author: @TinySecEx
// build from: user32.dll i386 10.0.10240.16384 (th1.150709-1700)
char* static_apfn_dispatch__10_0_10240_sp0_windows_10_th1_1507_i386[118] = {
/* 0x00 */ "__fnCOPYDATA" , // 0
/* 0x01 */ "__fnCOPYGLOBALDATA" , // 1
/* 0x02 */ "__fnDWORD" , // 2
/* 0x03 */ "__fnNCDESTROY" , // 3
/* 0x04 */ "__fnDWORDOPTINLPMSG" , // 4
/* 0x05 */ "__fnINOUTDRAG" , // 5
/* 0x06 */ "__fnGETTEXTLENGTHS" , // 6
/* 0x07 */ "__fnINCNTOUTSTRING" , // 7
/* 0x08 */ "__fnINCNTOUTSTRINGNULL" , // 8
/* 0x09 */ "__fnINLPCOMPAREITEMSTRUCT" , // 9
/* 0x0A */ "__fnINLPCREATESTRUCT" , // 10
/* 0x0B */ "__fnINLPDELETEITEMSTRUCT" , // 11
/* 0x0C */ "__fnINLPDRAWITEMSTRUCT" , // 12
/* 0x0D */ "__fnINPGESTURENOTIFYSTRUCT" , // 13
/* 0x0E */ "__fnINPGESTURENOTIFYSTRUCT" , // 14
/* 0x0F */ "__fnINLPMDICREATESTRUCT" , // 15
/* 0x10 */ "__fnINOUTLPMEASUREITEMSTRUCT" , // 16
/* 0x11 */ "__fnINLPWINDOWPOS" , // 17
/* 0x12 */ "__fnINOUTLPPOINT5" , // 18
/* 0x13 */ "__fnINOUTLPSCROLLINFO" , // 19
/* 0x14 */ "__fnINOUTLPRECT" , // 20
/* 0x15 */ "__fnINOUTNCCALCSIZE" , // 21
/* 0x16 */ "__fnINOUTLPSCROLLINFO" , // 22
/* 0x17 */ "__fnINPAINTCLIPBRD" , // 23
/* 0x18 */ "__fnINSIZECLIPBRD" , // 24
/* 0x19 */ "__fnINDESTROYCLIPBRD" , // 25
/* 0x1A */ "__fnINSTRING" , // 26
/* 0x1B */ "__fnINSTRINGNULL" , // 27
/* 0x1C */ "__fnINDEVICECHANGE" , // 28
/* 0x1D */ "__fnPOWERBROADCAST" , // 29
/* 0x1E */ "__fnINLPUAHINITMENU" , // 30
/* 0x1F */ "__fnOPTOUTLPDWORDOPTOUTLPDWORD" , // 31
/* 0x20 */ "__fnOPTOUTLPDWORDOPTOUTLPDWORD" , // 32
/* 0x21 */ "__fnOUTDWORDINDWORD" , // 33
/* 0x22 */ "__fnOUTLPRECT" , // 34
/* 0x23 */ "__fnOUTSTRING" , // 35
/* 0x24 */ "__fnINPGESTURENOTIFYSTRUCT" , // 36
/* 0x25 */ "__fnINCNTOUTSTRINGNULL" , // 37
/* 0x26 */ "__fnSENTDDEMSG" , // 38
/* 0x27 */ "__fnINOUTSTYLECHANGE" , // 39
/* 0x28 */ "__fnHkINDWORD" , // 40
/* 0x29 */ "__fnHkINLPCBTACTIVATESTRUCT" , // 41
/* 0x2A */ "__fnHkINLPCBTCREATESTRUCT" , // 42
/* 0x2B */ "__fnHkINLPDEBUGHOOKSTRUCT" , // 43
/* 0x2C */ "__fnHkINLPMOUSEHOOKSTRUCTEX" , // 44
/* 0x2D */ "__fnHkINLPKBDLLHOOKSTRUCT" , // 45
/* 0x2E */ "__fnHkINLPMSLLHOOKSTRUCT" , // 46
/* 0x2F */ "__fnHkINLPMSG" , // 47
/* 0x30 */ "__fnHkINLPRECT" , // 48
/* 0x31 */ "__fnHkOPTINLPEVENTMSG" , // 49
/* 0x32 */ "__xxxClientCallDelegateThread" , // 50
/* 0x33 */ "__xxxClientCallManipulationThread" , // 51
/* 0x34 */ "__fnKEYBOARDCORRECTIONCALLOUT" , // 52
/* 0x35 */ "__fnOUTLPSCROLLBARINFO" , // 53
/* 0x36 */ "__fnINLPCOMPAREITEMSTRUCT" , // 54
/* 0x37 */ "__xxxClientCallDitThread" , // 55
/* 0x38 */ "__xxxClientEnableMMCSS" , // 56
/* 0x39 */ "__xxxClientUpdateDpi" , // 57
/* 0x3A */ "__xxxClientExpandStringW" , // 58
/* 0x3B */ "__ClientCopyDDEIn1" , // 59
/* 0x3C */ "__ClientCopyDDEIn2" , // 60
/* 0x3D */ "__ClientCopyDDEOut1" , // 61
/* 0x3E */ "__ClientCopyDDEOut2" , // 62
/* 0x3F */ "__ClientCopyImage" , // 63
/* 0x40 */ "__ClientEventCallback" , // 64
/* 0x41 */ "__ClientFindMnemChar" , // 65
/* 0x42 */ "__ClientFreeDDEHandle" , // 66
/* 0x43 */ "__ClientFreeLibrary" , // 67
/* 0x44 */ "__ClientGetCharsetInfo" , // 68
/* 0x45 */ "__ClientGetDDEFlags" , // 69
/* 0x46 */ "__ClientGetDDEHookData" , // 70
/* 0x47 */ "__ClientGetListboxString" , // 71
/* 0x48 */ "__ClientGetMessageMPH" , // 72
/* 0x49 */ "__ClientLoadImage" , // 73
/* 0x4A */ "__ClientLoadLibrary" , // 74
/* 0x4B */ "__ClientLoadMenu" , // 75
/* 0x4C */ "__ClientLoadLocalT1Fonts" , // 76
/* 0x4D */ "__ClientPSMTextOut" , // 77
/* 0x4E */ "__ClientLpkDrawTextEx" , // 78
/* 0x4F */ "__ClientExtTextOutW" , // 79
/* 0x50 */ "__ClientGetTextExtentPointW" , // 80
/* 0x51 */ "__ClientCharToWchar" , // 81
/* 0x52 */ "__ClientAddFontResourceW" , // 82
/* 0x53 */ "__ClientThreadSetup" , // 83
/* 0x54 */ "__ClientDeliverUserApc" , // 84
/* 0x55 */ "__ClientNoMemoryPopup" , // 85
/* 0x56 */ "__ClientMonitorEnumProc" , // 86
/* 0x57 */ "__ClientCallWinEventProc" , // 87
/* 0x58 */ "__ClientWaitMessageExMPH" , // 88
/* 0x59 */ "__ClientWOWGetProcModule" , // 89
/* 0x5A */ "__ClientWOWTask16SchedNotify" , // 90
/* 0x5B */ "__ClientImmLoadLayout" , // 91
/* 0x5C */ "__ClientImmProcessKey" , // 92
/* 0x5D */ "__fnIMECONTROL" , // 93
/* 0x5E */ "__fnINWPARAMDBCSCHAR" , // 94
/* 0x5F */ "__fnGETTEXTLENGTHS" , // 95
/* 0x60 */ "__fnINLPKDRAWSWITCHWND" , // 96
/* 0x61 */ "__ClientLoadStringW" , // 97
/* 0x62 */ "__ClientLoadOLE" , // 98
/* 0x63 */ "__ClientRegisterDragDrop" , // 99
/* 0x64 */ "__ClientRevokeDragDrop" , // 100
/* 0x65 */ "__fnINOUTMENUGETOBJECT" , // 101
/* 0x66 */ "__ClientPrinterThunk" , // 102
/* 0x67 */ "__fnOUTLPCOMBOBOXINFO" , // 103
/* 0x68 */ "__fnOUTLPSCROLLBARINFO" , // 104
/* 0x69 */ "__fnINLPUAHINITMENU" , // 105
/* 0x6A */ "__fnINLPUAHDRAWMENUITEM" , // 106
/* 0x6B */ "__fnINLPUAHINITMENU" , // 107
/* 0x6C */ "__fnINOUTLPUAHMEASUREMENUITEM" , // 108
/* 0x6D */ "__fnINLPUAHINITMENU" , // 109
/* 0x6E */ "__fnOUTLPTITLEBARINFOEX" , // 110
/* 0x6F */ "__fnTOUCH" , // 111
/* 0x70 */ "__fnGESTURE" , // 112
/* 0x71 */ "__fnINPGESTURENOTIFYSTRUCT" , // 113
/* 0x72 */ "__fnINPGESTURENOTIFYSTRUCT" , // 114
/* 0x73 */ "__xxxClientCallDefaultInputHandler" , // 115
/* 0x74 */ "__fnEMPTY" , // 116
/* 0x75 */ "__ClientRimDevCallback" // 117
};
|
the_stack_data/65333.c | #include <stdio.h>
#include <string.h>
int main(){
int i, so, st, n, count ,k , s;
char input[100];
scanf("%d",&s);
for(count=0;count<s;count++){
scanf("%s",input);
n=strlen(input);
for(i=0;i<n;i++){
so=0; st=0;
k=input[i]-'0';
if(k==1) so++;
if(k==0) st++;
}
if(so>st) printf("WIN\n");
else printf("LOSE\n");
}
return 0;
} |
the_stack_data/42475.c | #include <stdio.h>
#include <stdlib.h>
#define MAPSIZE 64
#define ID_FLOOR 0
#define ID_WALL_TOP 1
#define ID_WALL 2
#define ID_WALL_SKULL 3
#define ID_WALL_FLAME 4
#define ID_WALL_HOLE 5
#define ID_WALL_SHIELD 6
#define ID_COLUMN_TOP_SQUARE_1 7
#define ID_COLUMN_TOP_SQUARE_2 9
#define ID_COLUMN_TOP_SQUARE_3 10
#define ID_COLUMN_TOP_ROUND_1 11
#define ID_COLUMN_TOP_ROUND_2 13
#define ID_COLUMN_BOTTOM_SQUARE_1 8
#define ID_COLUMN_BOTTOM_ROUND_1 12
#define ID_COLUMN_BOTTOM_ROUND_2 14
#define ID_COFFIN_CLOSED_TOP 15
#define ID_COFFIN_CLOSED_BOTTOM 16
#define ID_COFFIN_OPEN_TOP 17
#define ID_COFFIN_OPEN_BOTTOM 18
#define ID_COBWEB 33
void mapinit(char map[][MAPSIZE], int width, int height);
void mapgen(char map[][MAPSIZE], int mapwidth, int mapheight, int startx, int starty, int endx, int endy);
void mapprint(char map[][MAPSIZE], int width, int height);
void mapinit(char map[][MAPSIZE], int width, int height){
int i,j;
//Fill with empty space
for( i = 0; i < width; i++ ){
for( j = 0; j < height; j++ ){
map[j][i] = 0;
}
}
//Generate walls around the edges
for( i = 0; i < width; i++ ){
map[0][i] = 1;
map[height-1][i] = 1;
}
for( j = 0; j < height; j++ ){
map[j][0] = 1;
map[j][width-1] = 1;
}
}
#define HORIZONTAL 0
#define VERTICAL 1
#define MIN_WIDTH 6
#define MIN_HEIGHT 8
#define HALL_CHANCE 40
#define MIN_HALL_WIDTH 8
#define MIN_HALL_HEIGHT 10
#define MAX_HALL_WIDTH 18
#define MAX_HALL_HEIGHT 20
#define EXTRA_DOOR 10
#define REM_WALL_CHANCE 25
#define MAX_REM_WALL 10
void mapgen(char map[][MAPSIZE], int mapwidth, int mapheight, int startx, int starty, int endx, int endy){
int i,j,orientation,position,door,door2,doorcount,hall,colspacex,colspacey,remwall;
int width = endx-startx;
int height = endy-starty;
if( width < MIN_WIDTH && height < MIN_HEIGHT ){
return;
}
//Determine whether to generate a big hall with pillars or not.
//The size of the room determines the column spacing for now
if( width >= MIN_HALL_WIDTH && height >= MIN_HALL_HEIGHT && width < MAX_HALL_WIDTH && height < MAX_HALL_HEIGHT ){
hall = rand()%100;//Percent chance out of 100
if( HALL_CHANCE > hall ){
hall = rand()%3;//Choose type of hall; square columns, round columns, or coffins
//Place room columns as densely as the room supports
//IF you can divide the room into columns evenly
//but make sure there is greater than one space between columns
colspacex = width;
if( colspacex%2 != 0 ){
colspacex--;
}
while( colspacex%2 == 0 && colspacex > 4 ) colspacex /= 2;
colspacey = height;
if( colspacey%4 != 0 )
{
while( colspacey%4 != 0 ) colspacey++;
}
while( colspacey%4 == 0 && colspacey > 4 ) colspacey /= 4;
for( i = startx+colspacex; i < startx + width - 1; i+=colspacex ){
for( j = starty+colspacey; j < starty + height - 2; j+=colspacey ){
if( hall == 0 ){//Square columns
switch( rand()%3 ){
case 0:
map[j][i] = ID_COLUMN_TOP_SQUARE_1;
break;
case 1:
map[j][i] = ID_COLUMN_TOP_SQUARE_2;
break;
case 2:
map[j][i] = ID_COLUMN_TOP_SQUARE_3;
break;
}
map[j+1][i] = ID_COLUMN_BOTTOM_SQUARE_1;
}else if( hall == 1 ){//Round columns
switch( rand()%2 ){
case 0:
map[j][i] = ID_COLUMN_TOP_ROUND_1;
break;
case 1:
map[j][i] = ID_COLUMN_TOP_ROUND_2;
break;
}
switch( rand()%2 ){
case 0:
map[j+1][i] = ID_COLUMN_BOTTOM_ROUND_1;
break;
case 1:
map[j+1][i] = ID_COLUMN_BOTTOM_ROUND_2;
break;
}
}else{//Coffins
switch( rand()%2 ){
case 0:
map[j][i] = ID_COFFIN_CLOSED_TOP;
map[j+1][i] = ID_COFFIN_CLOSED_BOTTOM;
break;
case 1:
map[j][i] = ID_COFFIN_OPEN_TOP;
map[j+1][i] = ID_COFFIN_OPEN_BOTTOM;
break;
}
}
}
}
return;//Do not subdivide; return immediately
}
}
//Determine whether we will split the space
//horizontally or vertically by choosing whichever
//orientation is larger (this avoids extremely long rooms)
if( width >= height ){
//If there is a door (or more than one door!) into a small room,
//we may not be able to generate a wall in any location!
//so abort if room is min + number of horiz door tiles
doorcount = 0;
for( i = startx; i < endx; i++ ){
if( map[starty][i] == 0 ) doorcount++;
if( map[endy][i] == 0 ) doorcount++;
}
if( width < MIN_WIDTH + doorcount ){
return;
}
orientation = VERTICAL;
//puts("Trying vertical");
}else{
//If there is a door (or more than one door!) into a small room,
//we may not be able to generate a wall in any location!
//so abort if room is min + number of vert door tiles
doorcount = 0;
for( i = starty; i < endy; i++ ){
if( map[i][startx] == 0 ) doorcount++;
if( map[i][endx] == 0 ) doorcount++;
}
if( height < MIN_HEIGHT + doorcount ){
return;
}
orientation = HORIZONTAL;
//puts("Trying horizontal");
}
//printf("startx %d, starty %d\n",startx,starty);
//mapprint(map,MAPSIZE,MAPSIZE);
position = -1;
if( orientation == HORIZONTAL ){
//Make sure the position is valid:
//1. It must have generated at least one number
//2. It must not be too close to existing walls
//3. It must not be over a door
while( position == -1 || position < starty + (MIN_HEIGHT/2) || position > endy - (MIN_HEIGHT/2) || map[position][startx] == 0 || map[position][endx] == 0 ){
position = starty + (rand()%height);
}
//Generate a door at a random position
door = startx + 1 + (rand()%(width-1));
//Generate an extra door if wall is long enough.
//Doors may overlap or be next to each other because such
//doors shouldn't be a problem and it might result in interesting maps.
//If it is not long enough set to -1 so it won't interfere
door2 = width >= EXTRA_DOOR ? startx + 1 + (rand()%(width-1)) : -1;
//printf("HORIZ %d\n",position);
for( i = startx+1; i < startx + width; i++ ){
if( i != door && i != door2 )
map[position][i] = 1;
}
//Determine whether or not we will remove a wall.
//We can't remove bottom and right walls because the regions beyond them
//haven't been generated yet, so we only try to remove top and left walls.
//If we are not on the map edges
if( startx > 0 && endx < mapwidth-1 ){
//If the new space is taller than it is wide
//and the wall is short enough
if( /*position - starty > width &&*/ position - starty < MAX_REM_WALL ){
remwall = 1;
//Check if there is no wall touching the wall we want to remove.
//If not, we can remove the wall
for( i = starty+1; i < position; i++ ){
if( map[i][startx-1] != 0 ){
remwall = 0;
break;
}
}
if( remwall && REM_WALL_CHANCE > (rand()%100) ){
for( i = starty+1; i < position; i++ ){
map[i][startx] = 0;//2;//Clear left side of upper half
}
}
}
//If the new space is taller than it is wide
//and the wall is short enough
if( /*endy - position > width &&*/ endy - position < MAX_REM_WALL ){
remwall = 1;
//Check if there is no wall touching the wall we want to remove.
//If not, we can remove the wall
for( i = position+1; i < endy; i++ ){
if( map[i][startx+1] != 0 ){
remwall = 0;
break;
}
}
if( remwall && REM_WALL_CHANCE > (rand()%100) ){
for( i = position+1; i < endy; i++ ){
map[i][startx] = 0;//4;//Clear left side of lower half
}
}
}
}
//Recursively call to fill the two new spaces we generated
mapgen(map, mapwidth, mapheight, startx, starty, endx,position);
mapgen(map, mapwidth, mapheight, startx, position, endx, endy);
}else if( orientation == VERTICAL ){
//Make sure the position is valid:
//1. It must have generated at least one number
//2. It must not be too close to existing walls
//3. It must not be over a door
while( position == -1 || position < startx + (MIN_WIDTH/2) || position > endx - (MIN_WIDTH/2) || map[starty][position] == 0 || map[endy][position] == 0 ){
position = startx + (rand()%width);
}
//Generate a door at a random position
//(allocating space for it to be 2 high)
door = starty + 1 + (rand()%(height-2));
//Generate an extra door if wall is long enough.
//Doors may overlap or be next to each other because such
//doors shouldn't be a problem and it might result in interesting maps.
//If it is not long enough set to -1 so it won't interfere
door2 = height >= EXTRA_DOOR ? starty + 1 + (rand()%(height-2)) : -1;
//printf("VERT %d\n",position);
for( i = starty+1; i < starty + height; i++ ){
if( i != door && i != door+1 && i != door2 && i != door2+1 )
map[i][position] = 1;
}
//Determine whether or not we will remove a wall.
//We can't remove bottom and right walls because the regions beyond them
//haven't been generated yet, so we only try to remove top and left walls.
//If we are not on the map edges
if( starty > 0 && endy < mapheight-1 ){
//If the new space is wider than it is tall
//and the wall is short enough
if( /*position - startx > height &&*/ position - startx < MAX_REM_WALL ){
remwall = 1;
//Check if there is no wall touching the wall we want to remove.
//If not, we can remove the wall
for( i = startx+1; i < position; i++ ){
if( map[starty-1][i] != 0 ){
remwall = 0;
break;
}
}
if( remwall && REM_WALL_CHANCE > (rand()%100) ){
for( i = startx+1; i < position; i++ ){
map[starty][i] = 0;//3;//Clear top side of left half
}
}
}
//If the new space is wider than it is tall
//and the wall is short enough
if( /*endx - position > height &&*/ endx - position < MAX_REM_WALL ){
remwall = 1;
//Check if there is no wall touching the wall we want to remove.
//If not, we can remove the wall
for( i = position+1; i < endx; i++ ){
if( map[starty-1][i] != 0 ){
remwall = 0;
break;
}
}
if( remwall && REM_WALL_CHANCE > (rand()%100) ){
for( i = position+1; i < endx; i++ ){
map[starty][i] = 0;//5;//Clear top side of right half
}
}
}
}
//Recursively call to fill the two new spaces we generated
mapgen(map, mapwidth, mapheight, startx, starty, position,endy);
mapgen(map, mapwidth, mapheight, position, starty, endx, endy);
}
}
void mapprint(char map[][MAPSIZE], int width, int height){
int i,j;
for( i = 0; i < height; i++ ){
for( j = 0; j < width; j++ ){
if( map[i][j] == 0 ){
printf("0");
}else if( map[i][j] == 1 ){
printf("1");
}
}
puts("");
}
}
void mappretty(char map[][MAPSIZE],int width, int height){
int i,j,v;
for (i=0; i < height-1; i++) {
for (j=0;j<width-1;j++){
if (map[i][j]==1 && map[i+1][j]==0){
v = rand()%25 + 3;
//If v is any of the random wall variations
if( v <= ID_WALL_SHIELD ){
map[i+1][j] = v;
}else {
map[i+1][j]=ID_WALL;
}
}
if (map[i][j]==0 && map[i+1][j]==1 && map[i][j-1]==1 && rand()%10 <=1) {
map[i][j]=ID_COBWEB;
}
}
}
}
//char map[MAPSIZE][MAPSIZE];
/*
int main(int argc, char** argv){
srand(42);//Can choose the seed to get the same map every time
mapinit(map,MAPSIZE,MAPSIZE);
mapgen(map,MAPSIZE,MAPSIZE,0,0,MAPSIZE-1,MAPSIZE-1);
mapprint(map,MAPSIZE,MAPSIZE);
}
*/
|
the_stack_data/899090.c | #include <stdio.h>
#include <stdlib.h>
#include <math.h>
struct triangle
{
int a;
int b;
int c;
};
typedef struct triangle triangle;
void sort_by_area(triangle* tr, int n)
{
double area[n], p; // area can be in real
int a, b, c; // its is given the sides are integer rather than real numbers
for(int i = 0 ; i < n ; i++)
{
a = tr[i].a;
b = tr[i].b;
c = tr[i].c;
p = (double)(a + b + c)/2;
area[i] = sqrt(p*(p - a)*(p - b)*(p - c));
}
// printing area
for(int i = 0 ; i < n - 1; i++)
{
for(int j = 0 ; j < n - i - 1 ; j++)
{
if(area[j] > area[j + 1]) // It will not try to swap element at same index
{
area[j] = area[j] + area[ j + 1];
area[j + 1] = area[j] - area[ j + 1];
area[j] = area[j] - area[ j + 1];
// swap a
tr[j].a = tr[j].a + tr[ j + 1].a;
tr[j + 1].a = tr[j].a - tr[ j + 1].a;
tr[j].a = tr[j].a - tr[ j + 1].a;
// swap b
tr[j].b = tr[j].b + tr[ j + 1].b;
tr[j + 1].b = tr[j].b - tr[ j + 1].b;
tr[j].b = tr[j].b - tr[ j + 1].b;
// swap c
tr[j].c = tr[j].c + tr[ j + 1].c;
tr[j + 1].c = tr[j].c - tr[ j + 1].c;
tr[j].c = tr[j].c - tr[ j + 1].c;
}
}
}
}
int main()
{
int n;
scanf("%d", &n);
triangle *tr = malloc(n * sizeof(triangle));
for (int i = 0; i < n; i++) {
scanf("%d%d%d", &tr[i].a, &tr[i].b, &tr[i].c);
}
sort_by_area(tr, n);
for (int i = 0; i < n; i++) {
printf("%d %d %d\n", tr[i].a, tr[i].b, tr[i].c);
}
return 0;
} |
the_stack_data/117327729.c | /* { dg-xfail-if "Can not call system libm.a with -msoft-float" { powerpc-*-aix* rs6000-*-aix* } { "-msoft-float" } { "" } } */
#include <math.h>
main()
{
volatile double a;
double c;
a = 32.0;
c = pow(a, 1.0/3.0);
if (c + 0.1 > 3.174802
&& c - 0.1 < 3.174802)
exit (0);
else
abort ();
}
|
the_stack_data/173446.c | #define _BSD_SOURCE
#include <nl_types.h>
#include <endian.h>
#include <stdlib.h>
#include <stdint.h>
#include <errno.h>
#ifndef __EMSCRIPTEN__
#define V(p) be32toh(*(uint32_t *)(p))
static int cmp(const void *a, const void *b)
{
uint32_t x = V(a), y = V(b);
return x<y ? -1 : x>y ? 1 : 0;
}
#endif
char *catgets (nl_catd catd, int set_id, int msg_id, const char *s)
{
#ifdef __EMSCRIPTEN__
return (char *)s;
#else
const char *map = (const char *)catd;
uint32_t nsets = V(map+4);
const char *sets = map+20;
const char *msgs = map+20+V(map+12);
const char *strings = map+20+V(map+16);
uint32_t set_id_be = htobe32(set_id);
uint32_t msg_id_be = htobe32(msg_id);
const char *set = bsearch(&set_id_be, sets, nsets, 12, cmp);
if (!set) {
errno = ENOMSG;
return (char *)s;
}
uint32_t nmsgs = V(set+4);
msgs += 12*V(set+8);
const char *msg = bsearch(&msg_id_be, msgs, nmsgs, 12, cmp);
if (!msg) {
errno = ENOMSG;
return (char *)s;
}
return (char *)(strings + V(msg+8));
#endif
}
|
the_stack_data/43889198.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct {
double val, wgt, vol;
const char * name;
} items[] = { // value in hundreds, volume in thousandths
{30, .3, 25, "panacea"},
{18, .2, 15, "ichor"},
{25, 2., 2, "gold"},
{0,0,0,0}
};
/* silly setup for silly task */
int best_cnt[16] = {0}, cnt[16] = {0};
double best_v = 0;
void grab_em(int idx, double cap_v, double cap_w, double v)
{
double val;
int t = cap_w / items[idx].wgt;
cnt[idx] = cap_v / items[idx].vol;
if (cnt[idx] > t) cnt[idx] = t;
while (cnt[idx] >= 0) {
val = v + cnt[idx] * items[idx].val;
if (!items[idx + 1].name) {
if (val > best_v) {
best_v = val;
memcpy(best_cnt, cnt, sizeof(int) * (1 + idx));
}
return;
}
grab_em(idx + 1, cap_v - cnt[idx] * items[idx].vol,
cap_w - cnt[idx] * items[idx].wgt, val);
cnt[idx]--;
}
}
int main(void)
{
int i;
grab_em(0, 250, 25, 0);
printf("value: %g hundreds\n", best_v);
for (i = 0; items[i].name; i++)
printf("%d %s\n", best_cnt[i], items[i].name);
return 0;
}
|
the_stack_data/154300.c | /**
******************************************************************************
* @file stm32l0xx_ll_usart.c
* @author MCD Application Team
* @brief USART LL module driver.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#if defined(USE_FULL_LL_DRIVER)
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_ll_usart.h"
#include "stm32l0xx_ll_rcc.h"
#include "stm32l0xx_ll_bus.h"
#ifdef USE_FULL_ASSERT
#include "stm32_assert.h"
#else
#define assert_param(expr) ((void)0U)
#endif
/** @addtogroup STM32L0xx_LL_Driver
* @{
*/
#if defined (USART1) || defined (USART2) || defined (USART4) || defined (USART5)
/** @addtogroup USART_LL
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @addtogroup USART_LL_Private_Constants
* @{
*/
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @addtogroup USART_LL_Private_Macros
* @{
*/
/* __BAUDRATE__ The maximum Baud Rate is derived from the maximum clock available
* divided by the smallest oversampling used on the USART (i.e. 8) */
#define IS_LL_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 4000000U)
/* __VALUE__ In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d. */
#define IS_LL_USART_BRR_MIN(__VALUE__) ((__VALUE__) >= 16U)
/* __VALUE__ BRR content must be lower than or equal to 0xFFFF. */
#define IS_LL_USART_BRR_MAX(__VALUE__) ((__VALUE__) <= 0x0000FFFFU)
#define IS_LL_USART_DIRECTION(__VALUE__) (((__VALUE__) == LL_USART_DIRECTION_NONE) \
|| ((__VALUE__) == LL_USART_DIRECTION_RX) \
|| ((__VALUE__) == LL_USART_DIRECTION_TX) \
|| ((__VALUE__) == LL_USART_DIRECTION_TX_RX))
#define IS_LL_USART_PARITY(__VALUE__) (((__VALUE__) == LL_USART_PARITY_NONE) \
|| ((__VALUE__) == LL_USART_PARITY_EVEN) \
|| ((__VALUE__) == LL_USART_PARITY_ODD))
#define IS_LL_USART_DATAWIDTH(__VALUE__) (((__VALUE__) == LL_USART_DATAWIDTH_7B) \
|| ((__VALUE__) == LL_USART_DATAWIDTH_8B) \
|| ((__VALUE__) == LL_USART_DATAWIDTH_9B))
#define IS_LL_USART_OVERSAMPLING(__VALUE__) (((__VALUE__) == LL_USART_OVERSAMPLING_16) \
|| ((__VALUE__) == LL_USART_OVERSAMPLING_8))
#define IS_LL_USART_LASTBITCLKOUTPUT(__VALUE__) (((__VALUE__) == LL_USART_LASTCLKPULSE_NO_OUTPUT) \
|| ((__VALUE__) == LL_USART_LASTCLKPULSE_OUTPUT))
#define IS_LL_USART_CLOCKPHASE(__VALUE__) (((__VALUE__) == LL_USART_PHASE_1EDGE) \
|| ((__VALUE__) == LL_USART_PHASE_2EDGE))
#define IS_LL_USART_CLOCKPOLARITY(__VALUE__) (((__VALUE__) == LL_USART_POLARITY_LOW) \
|| ((__VALUE__) == LL_USART_POLARITY_HIGH))
#define IS_LL_USART_CLOCKOUTPUT(__VALUE__) (((__VALUE__) == LL_USART_CLOCK_DISABLE) \
|| ((__VALUE__) == LL_USART_CLOCK_ENABLE))
#define IS_LL_USART_STOPBITS(__VALUE__) (((__VALUE__) == LL_USART_STOPBITS_0_5) \
|| ((__VALUE__) == LL_USART_STOPBITS_1) \
|| ((__VALUE__) == LL_USART_STOPBITS_1_5) \
|| ((__VALUE__) == LL_USART_STOPBITS_2))
#define IS_LL_USART_HWCONTROL(__VALUE__) (((__VALUE__) == LL_USART_HWCONTROL_NONE) \
|| ((__VALUE__) == LL_USART_HWCONTROL_RTS) \
|| ((__VALUE__) == LL_USART_HWCONTROL_CTS) \
|| ((__VALUE__) == LL_USART_HWCONTROL_RTS_CTS))
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup USART_LL_Exported_Functions
* @{
*/
/** @addtogroup USART_LL_EF_Init
* @{
*/
/**
* @brief De-initialize USART registers (Registers restored to their default values).
* @param USARTx USART Instance
* @retval An ErrorStatus enumeration value:
* - SUCCESS: USART registers are de-initialized
* - ERROR: USART registers are not de-initialized
*/
ErrorStatus LL_USART_DeInit( USART_TypeDef *USARTx )
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param( IS_UART_INSTANCE( USARTx ) );
#if defined(USART1)
if( USARTx == USART1 )
{
/* Force reset of USART clock */
LL_APB2_GRP1_ForceReset( LL_APB2_GRP1_PERIPH_USART1 );
/* Release reset of USART clock */
LL_APB2_GRP1_ReleaseReset( LL_APB2_GRP1_PERIPH_USART1 );
}
#endif /* USART1 */
#if defined(USART1)
else if( USARTx == USART2 )
#else
if( USARTx == USART2 )
#endif
{
/* Force reset of USART clock */
LL_APB1_GRP1_ForceReset( LL_APB1_GRP1_PERIPH_USART2 );
/* Release reset of USART clock */
LL_APB1_GRP1_ReleaseReset( LL_APB1_GRP1_PERIPH_USART2 );
}
#if defined(USART4)
else if( USARTx == USART4 )
{
/* Force reset of USART clock */
LL_APB1_GRP1_ForceReset( LL_APB1_GRP1_PERIPH_USART4 );
/* Release reset of USART clock */
LL_APB1_GRP1_ReleaseReset( LL_APB1_GRP1_PERIPH_USART4 );
}
#endif /* USART4 */
#if defined(USART5)
else if( USARTx == USART5 )
{
/* Force reset of USART clock */
LL_APB1_GRP1_ForceReset( LL_APB1_GRP1_PERIPH_USART5 );
/* Release reset of USART clock */
LL_APB1_GRP1_ReleaseReset( LL_APB1_GRP1_PERIPH_USART5 );
}
#endif /* USART5 */
else
{
status = ERROR;
}
return ( status );
}
/**
* @brief Initialize USART registers according to the specified
* parameters in USART_InitStruct.
* @note As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
* USART Peripheral should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
* @note Baud rate value stored in USART_InitStruct BaudRate field, should be valid (different from 0).
* @param USARTx USART Instance
* @param USART_InitStruct pointer to a LL_USART_InitTypeDef structure
* that contains the configuration information for the specified USART peripheral.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: USART registers are initialized according to USART_InitStruct content
* - ERROR: Problem occurred during USART Registers initialization
*/
ErrorStatus LL_USART_Init( USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_InitStruct )
{
ErrorStatus status = ERROR;
uint32_t periphclk = LL_RCC_PERIPH_FREQUENCY_NO;
#if defined(USART4) || defined(USART5)
LL_RCC_ClocksTypeDef RCC_Clocks;
#endif
/* Check the parameters */
assert_param( IS_UART_INSTANCE( USARTx ) );
assert_param( IS_LL_USART_BAUDRATE( USART_InitStruct->BaudRate ) );
assert_param( IS_LL_USART_DATAWIDTH( USART_InitStruct->DataWidth ) );
assert_param( IS_LL_USART_STOPBITS( USART_InitStruct->StopBits ) );
assert_param( IS_LL_USART_PARITY( USART_InitStruct->Parity ) );
assert_param( IS_LL_USART_DIRECTION( USART_InitStruct->TransferDirection ) );
assert_param( IS_LL_USART_HWCONTROL( USART_InitStruct->HardwareFlowControl ) );
assert_param( IS_LL_USART_OVERSAMPLING( USART_InitStruct->OverSampling ) );
/* USART needs to be in disabled state, in order to be able to configure some bits in
CRx registers */
if( LL_USART_IsEnabled( USARTx ) == 0U )
{
/*---------------------------- USART CR1 Configuration ---------------------
* Configure USARTx CR1 (USART Word Length, Parity, Mode and Oversampling bits) with parameters:
* - DataWidth: USART_CR1_M bits according to USART_InitStruct->DataWidth value
* - Parity: USART_CR1_PCE, USART_CR1_PS bits according to USART_InitStruct->Parity value
* - TransferDirection: USART_CR1_TE, USART_CR1_RE bits according to USART_InitStruct->TransferDirection value
* - Oversampling: USART_CR1_OVER8 bit according to USART_InitStruct->OverSampling value.
*/
MODIFY_REG( USARTx->CR1,
( USART_CR1_M | USART_CR1_PCE | USART_CR1_PS |
USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8 ),
( USART_InitStruct->DataWidth | USART_InitStruct->Parity |
USART_InitStruct->TransferDirection | USART_InitStruct->OverSampling ) );
/*---------------------------- USART CR2 Configuration ---------------------
* Configure USARTx CR2 (Stop bits) with parameters:
* - Stop Bits: USART_CR2_STOP bits according to USART_InitStruct->StopBits value.
* - CLKEN, CPOL, CPHA and LBCL bits are to be configured using LL_USART_ClockInit().
*/
LL_USART_SetStopBitsLength( USARTx, USART_InitStruct->StopBits );
/*---------------------------- USART CR3 Configuration ---------------------
* Configure USARTx CR3 (Hardware Flow Control) with parameters:
* - HardwareFlowControl: USART_CR3_RTSE, USART_CR3_CTSE bits according to USART_InitStruct->HardwareFlowControl value.
*/
LL_USART_SetHWFlowCtrl( USARTx, USART_InitStruct->HardwareFlowControl );
/*---------------------------- USART BRR Configuration ---------------------
* Retrieve Clock frequency used for USART Peripheral
*/
#if defined(USART1)
if( USARTx == USART1 )
{
periphclk = LL_RCC_GetUSARTClockFreq( LL_RCC_USART1_CLKSOURCE );
}
#endif /* USART1 */
#if defined(USART1)
else if( USARTx == USART2 )
#else
if( USARTx == USART2 )
#endif
{
periphclk = LL_RCC_GetUSARTClockFreq( LL_RCC_USART2_CLKSOURCE );
}
#if defined(USART4)
else if( USARTx == USART4 )
{
/* USART4 clock is PCLK1 */
LL_RCC_GetSystemClocksFreq( &RCC_Clocks );
periphclk = RCC_Clocks.PCLK1_Frequency;
}
#endif /* USART4 */
#if defined(USART5)
else if( USARTx == USART5 )
{
/* USART5 clock is PCLK1 */
LL_RCC_GetSystemClocksFreq( &RCC_Clocks );
periphclk = RCC_Clocks.PCLK1_Frequency;
}
#endif /* USART5 */
else
{
/* Nothing to do, as error code is already assigned to ERROR value */
}
/* Configure the USART Baud Rate :
- valid baud rate value (different from 0) is required
- Peripheral clock as returned by RCC service, should be valid (different from 0).
*/
if( ( periphclk != LL_RCC_PERIPH_FREQUENCY_NO )
&& ( USART_InitStruct->BaudRate != 0U ) )
{
status = SUCCESS;
LL_USART_SetBaudRate( USARTx,
periphclk,
USART_InitStruct->OverSampling,
USART_InitStruct->BaudRate );
/* Check BRR is greater than or equal to 16d */
assert_param( IS_LL_USART_BRR_MIN( USARTx->BRR ) );
/* Check BRR is lower than or equal to 0xFFFF */
assert_param( IS_LL_USART_BRR_MAX( USARTx->BRR ) );
}
}
/* Endif (=> USART not in Disabled state => return ERROR) */
return ( status );
}
/**
* @brief Set each @ref LL_USART_InitTypeDef field to default value.
* @param USART_InitStruct pointer to a @ref LL_USART_InitTypeDef structure
* whose fields will be set to default values.
* @retval None
*/
void LL_USART_StructInit( LL_USART_InitTypeDef *USART_InitStruct )
{
/* Set USART_InitStruct fields to default values */
USART_InitStruct->BaudRate = 9600U;
USART_InitStruct->DataWidth = LL_USART_DATAWIDTH_8B;
USART_InitStruct->StopBits = LL_USART_STOPBITS_1;
USART_InitStruct->Parity = LL_USART_PARITY_NONE ;
USART_InitStruct->TransferDirection = LL_USART_DIRECTION_TX_RX;
USART_InitStruct->HardwareFlowControl = LL_USART_HWCONTROL_NONE;
USART_InitStruct->OverSampling = LL_USART_OVERSAMPLING_16;
}
/**
* @brief Initialize USART Clock related settings according to the
* specified parameters in the USART_ClockInitStruct.
* @note As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
* USART Peripheral should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
* @param USARTx USART Instance
* @param USART_ClockInitStruct pointer to a @ref LL_USART_ClockInitTypeDef structure
* that contains the Clock configuration information for the specified USART peripheral.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: USART registers related to Clock settings are initialized according to USART_ClockInitStruct content
* - ERROR: Problem occurred during USART Registers initialization
*/
ErrorStatus LL_USART_ClockInit( USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct )
{
ErrorStatus status = SUCCESS;
/* Check USART Instance and Clock signal output parameters */
assert_param( IS_UART_INSTANCE( USARTx ) );
assert_param( IS_LL_USART_CLOCKOUTPUT( USART_ClockInitStruct->ClockOutput ) );
/* USART needs to be in disabled state, in order to be able to configure some bits in
CRx registers */
if( LL_USART_IsEnabled( USARTx ) == 0U )
{
/*---------------------------- USART CR2 Configuration -----------------------*/
/* If Clock signal has to be output */
if( USART_ClockInitStruct->ClockOutput == LL_USART_CLOCK_DISABLE )
{
/* Deactivate Clock signal delivery :
* - Disable Clock Output: USART_CR2_CLKEN cleared
*/
LL_USART_DisableSCLKOutput( USARTx );
}
else
{
/* Ensure USART instance is USART capable */
assert_param( IS_USART_INSTANCE( USARTx ) );
/* Check clock related parameters */
assert_param( IS_LL_USART_CLOCKPOLARITY( USART_ClockInitStruct->ClockPolarity ) );
assert_param( IS_LL_USART_CLOCKPHASE( USART_ClockInitStruct->ClockPhase ) );
assert_param( IS_LL_USART_LASTBITCLKOUTPUT( USART_ClockInitStruct->LastBitClockPulse ) );
/*---------------------------- USART CR2 Configuration -----------------------
* Configure USARTx CR2 (Clock signal related bits) with parameters:
* - Enable Clock Output: USART_CR2_CLKEN set
* - Clock Polarity: USART_CR2_CPOL bit according to USART_ClockInitStruct->ClockPolarity value
* - Clock Phase: USART_CR2_CPHA bit according to USART_ClockInitStruct->ClockPhase value
* - Last Bit Clock Pulse Output: USART_CR2_LBCL bit according to USART_ClockInitStruct->LastBitClockPulse value.
*/
MODIFY_REG( USARTx->CR2,
USART_CR2_CLKEN | USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL,
USART_CR2_CLKEN | USART_ClockInitStruct->ClockPolarity |
USART_ClockInitStruct->ClockPhase | USART_ClockInitStruct->LastBitClockPulse );
}
}
/* Else (USART not in Disabled state => return ERROR */
else
{
status = ERROR;
}
return ( status );
}
/**
* @brief Set each field of a @ref LL_USART_ClockInitTypeDef type structure to default value.
* @param USART_ClockInitStruct pointer to a @ref LL_USART_ClockInitTypeDef structure
* whose fields will be set to default values.
* @retval None
*/
void LL_USART_ClockStructInit( LL_USART_ClockInitTypeDef *USART_ClockInitStruct )
{
/* Set LL_USART_ClockInitStruct fields with default values */
USART_ClockInitStruct->ClockOutput = LL_USART_CLOCK_DISABLE;
USART_ClockInitStruct->ClockPolarity = LL_USART_POLARITY_LOW; /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
USART_ClockInitStruct->ClockPhase = LL_USART_PHASE_1EDGE; /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
USART_ClockInitStruct->LastBitClockPulse = LL_USART_LASTCLKPULSE_NO_OUTPUT; /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* USART1 || USART2 || USART4 || USART5 */
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
the_stack_data/155088.c | /*5) Escriba y ejecute un programa que mantenga información de números complejos (usando el tipo de datos definido en el trabajo práctico 0). Se desea tener 2 matrices de complejos (de 10 filas por 10 columnas) y realizar la suma y resta de dichas matrices. Implemente con funciones.*/
#include <stdio.h>
#include <stdlib.h>
#define DIM 10
typedef struct
{
int real, imag;
}tipoComplejo;
int inicializarMatrizCompleja (tipoComplejo c, int mreal[DIM][DIM], int mimag[DIM][DIM])
{
int i, j;
for (i = 0; i < DIM; i++)
for (j = 0; j < DIM; j++)
{
c.real=rand() %10;
c.imag=rand() %10;
mreal[i][j] = c.real;
mimag[i][j] = c.imag;
}
return 0;
}
int imprimirComplejo (tipoComplejo c, int mreal[DIM][DIM], int mimag[DIM][DIM])
{
int i, j;
for (i = 0; i < DIM; i++)
{
for (j = 0; j < DIM; j++)
{
printf("(%d + %di) ", mreal[i][j], mimag[i][j]);
}
printf("\n");
}
return 0;
}
int sumarMatrizCompleja(tipoComplejo c, int mreal1[DIM][DIM],
int mreal2[DIM][DIM], int mimag1[DIM][DIM], int mimag2[DIM][DIM],
int mresr[DIM][DIM], int mresi[DIM][DIM])
{
int i, j;
for (i = 0; i < DIM; i++)
{
for (j = 0; j < DIM; j++)
{
mresr[i][j] = mreal1[i][j] + mreal2[i][j];
mresi[i][j] = mimag1[i][j] + mreal2[i][j];
}
}
return 0;
}
int restarMatrizCompleja(tipoComplejo c, int mreal1[DIM][DIM], int mreal2[DIM][DIM], int mimag1[DIM][DIM], int mimag2[DIM][DIM], int mresr[DIM][DIM], int mresi[DIM][DIM])
{
int i, j;
for (i = 0; i < DIM; i++)
{
for (j = 0; j < DIM; j++)
{
mresr[i][j] = mreal1[i][j] - mreal2[i][j];
mresi[i][j] = mimag1[i][j] - mreal2[i][j];
}
}
return 0;
}
int main(int argc, char **argv)
{
int mreal1[DIM][DIM], mimag1[DIM][DIM], mreal2[DIM][DIM], mimag2[DIM][DIM], mresr[DIM][DIM], mresi[DIM][DIM];
tipoComplejo c;
inicializarMatrizCompleja(c, mreal1, mimag1);
imprimirComplejo(c, mreal1, mimag1);
printf("\n");
inicializarMatrizCompleja(c, mreal2, mimag2);
imprimirComplejo(c, mreal2, mimag2);
printf("\n");
sumarMatrizCompleja(c, mreal1, mimag1, mreal2, mimag2, mresr, mresi);
imprimirComplejo(c, mresr, mresi);
printf("\n");
restarMatrizCompleja(c, mreal1, mimag1, mreal2, mimag2, mresr, mresi);
imprimirComplejo(c, mresr, mresi);
}
|
the_stack_data/43888210.c | #include"stdio.h"
#include"stdlib.h"
main()
{
pid_t child1,child2;
int i,j;
for(i=0;i<=3;i++)
{
if((child1=fork())<=0)
break;
}
if (i==1||i==3)
{fork();}
if(i==2)
{
for(j=1;j<3;j++)
{
child2= fork();
if(child2 <= 0)
break;
}
}
printf("process\n");
return 0;
}
|
the_stack_data/1185893.c | #include <stdio.h>
void signed_variable_constant(int n) {
int x=+1;
int y=-n;
int m;
m=1;
m=n;
m=+2;
m=-2;
m=+n;
m=-n;
}
void array(int n) {
int a = 10;
int one[10];
int one_init[10] = {1, 2, 3};
int two[10][10];
int three[10][10][10];
int nnn[n][n][n];
one[0]=1;
one[1]=n;
}
void cast(int n) {
long x=n;
long y=(long)n;
}
void augmented_assignment(int n) {
n += 1;
n -= 1;
n *= 1;
n /= 1;
// n <<= 1;
}
void library_function_call() {
printf("Hello World!\n");
}
void if_else(int n) {
int odd = 0;
if (n % 2 == 0) {
odd = 0;
} else {
odd = 1;
}
}
void if_else_without_block(int n) {
int odd = 0;
if (n % 2 == 0)
odd = 0;
else
odd = 1;
}
void if_without_else(int n) {
int odd = 0;
// if without else
if (n % 2 == 0) {
odd = 0;
}
}
void if_condition_fc(int n) {
if(for_loop_n_p(n)) {
} else {
}
}
void if_then_fc(int n) {
if(n==1) {
for_loop_n_p(n);
} else {
}
}
void if_else_fc(int n) {
if(n==1) {
} else {
for_loop_n_p(n);
}
}
void if_else_cond(int n) {
if(for_loop_n_p(n)) {
for_loop_logn_m(n);
} else {
for_loop_n_s(n);
}
}
// O(N), i++
int for_loop_n_p(int n) {
int i = 0, sum = 0;
for (i = 1; i <= n; i++) {
sum += i;
}
return sum;
}
// O(N), i--
int for_loop_n_s(int n) {
int i = 0, sum = 0;
for (i = n; i >= 1; i--) {
sum += i;
}
return sum;
}
// O(log(N)), i*=2
int for_loop_logn_m(int n) {
int i = 0, sum = 0;
for (i = 1; i <= n; i*=2) {
sum += i;
}
return sum;
}
// O(log(N)), i/=2
int for_loop_logn_d(int n) {
int i = 0, sum = 0;
for (i = n; i >= 1; i/=2) {
sum += i;
}
return sum;
}
// O(N*N), for * for
void nested_loop(int n) {
int i, j, a;
for (i = 0; i < n; i++) {
for (j = 0; j < n; j++) {
a = i * j;
}
}
}
// recursion
int factorial(int n) {
if (n <= 1)
return 1;
return n * factorial(n - 1);
}
// function call
int main() {
int n = 5;
// array
array(n);
// library function call
library_function_call();
// if else
if_else(n);
if_else_without_block(n);
if_without_else(n);
if_condition_fc(n);
// if else with function call
if_then_fc(n);
if_else_fc(n);
if_else_cond(n);
// Loop O(N), Loop O(log(N))
for_loop_n_p(n);
for_loop_n_s(n);
for_loop_logn_d(n);
for_loop_logn_m(n);
// Loop O(N*N)
nested_loop(n);
// recursion
factorial(n);
}
|
the_stack_data/159516283.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_isalpha.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: zskeeter <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/04/25 13:53:54 by zskeeter #+# #+# */
/* Updated: 2021/04/25 13:53:54 by zskeeter ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_isalpha(int c)
{
return ((c >= 65 && c <= 90) || (c >= 97 && c <= 122));
}
|
the_stack_data/242330609.c | #include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
int main(){
fork();
printf("Called fork() system call\n");
return 0;
}
|
the_stack_data/37228.c | // KASAN: use-after-free Read in locks_remove_file
// https://syzkaller.appspot.com/bug?id=c584305f4382b089f77d
// status:6
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rfkill.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>
static unsigned long long procid;
static __thread int skip_segv;
static __thread jmp_buf segv_env;
static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
uintptr_t addr = (uintptr_t)info->si_addr;
const uintptr_t prog_start = 1 << 20;
const uintptr_t prog_end = 100 << 20;
int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
int valid = addr < prog_start || addr > prog_end;
if (skip && valid) {
_longjmp(segv_env, 1);
}
exit(sig);
}
static void install_segv_handler(void)
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = segv_handler;
sa.sa_flags = SA_NODEFER | SA_SIGINFO;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
}
#define NONFAILING(...) \
{ \
__atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \
if (_setjmp(segv_env) == 0) { \
__VA_ARGS__; \
} \
__atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \
}
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
static uint64_t current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
exit(1);
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
static void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i = 0;
for (; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exit(1);
}
typedef struct {
int state;
} event_t;
static void event_init(event_t* ev)
{
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
if (ev->state)
exit(1);
__atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}
static void event_wait(event_t* ev)
{
while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}
static int event_isset(event_t* ev)
{
return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
for (;;) {
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
return 1;
now = current_time_ms();
if (now - start > timeout)
return 0;
}
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
struct nlmsg {
char* pos;
int nesting;
struct nlattr* nested[8];
char buf[1024];
};
static struct nlmsg nlmsg;
static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
const void* data, int size)
{
memset(nlmsg, 0, sizeof(*nlmsg));
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_type = typ;
hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
memcpy(hdr + 1, data, size);
nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}
static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
int size)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_len = sizeof(*attr) + size;
attr->nla_type = typ;
memcpy(attr + 1, data, size);
nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}
static void netlink_nest(struct nlmsg* nlmsg, int typ)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_type = typ;
nlmsg->pos += sizeof(*attr);
nlmsg->nested[nlmsg->nesting++] = attr;
}
static void netlink_done(struct nlmsg* nlmsg)
{
struct nlattr* attr = nlmsg->nested[--nlmsg->nesting];
attr->nla_len = nlmsg->pos - (char*)attr;
}
static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
int* reply_len)
{
if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
exit(1);
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
struct sockaddr_nl addr;
memset(&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
unsigned n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
(struct sockaddr*)&addr, sizeof(addr));
if (n != hdr->nlmsg_len)
exit(1);
n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
if (reply_len)
*reply_len = 0;
if (hdr->nlmsg_type == NLMSG_DONE)
return 0;
if (n < sizeof(struct nlmsghdr))
exit(1);
if (reply_len && hdr->nlmsg_type == reply_type) {
*reply_len = n;
return 0;
}
if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
exit(1);
if (hdr->nlmsg_type != NLMSG_ERROR)
exit(1);
return -((struct nlmsgerr*)(hdr + 1))->error;
}
static int netlink_send(struct nlmsg* nlmsg, int sock)
{
return netlink_send_ext(nlmsg, sock, 0, NULL);
}
static int netlink_next_msg(struct nlmsg* nlmsg, unsigned int offset,
unsigned int total_len)
{
struct nlmsghdr* hdr = (struct nlmsghdr*)(nlmsg->buf + offset);
if (offset == total_len || offset + hdr->nlmsg_len > total_len)
return -1;
return hdr->nlmsg_len;
}
static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type,
const char* name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr,
sizeof(hdr));
if (name)
netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name));
netlink_nest(nlmsg, IFLA_LINKINFO);
netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type));
}
static void netlink_add_device(struct nlmsg* nlmsg, int sock, const char* type,
const char* name)
{
netlink_add_device_impl(nlmsg, type, name);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_veth(struct nlmsg* nlmsg, int sock, const char* name,
const char* peer)
{
netlink_add_device_impl(nlmsg, "veth", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_nest(nlmsg, VETH_INFO_PEER);
nlmsg->pos += sizeof(struct ifinfomsg);
netlink_attr(nlmsg, IFLA_IFNAME, peer, strlen(peer));
netlink_done(nlmsg);
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_hsr(struct nlmsg* nlmsg, int sock, const char* name,
const char* slave1, const char* slave2)
{
netlink_add_device_impl(nlmsg, "hsr", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
int ifindex1 = if_nametoindex(slave1);
netlink_attr(nlmsg, IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1));
int ifindex2 = if_nametoindex(slave2);
netlink_attr(nlmsg, IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2));
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_linked(struct nlmsg* nlmsg, int sock, const char* type,
const char* name, const char* link)
{
netlink_add_device_impl(nlmsg, type, name);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_vlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link, uint16_t id, uint16_t proto)
{
netlink_add_device_impl(nlmsg, "vlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_VLAN_ID, &id, sizeof(id));
netlink_attr(nlmsg, IFLA_VLAN_PROTOCOL, &proto, sizeof(proto));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_macvlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link)
{
netlink_add_device_impl(nlmsg, "macvlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
uint32_t mode = MACVLAN_MODE_BRIDGE;
netlink_attr(nlmsg, IFLA_MACVLAN_MODE, &mode, sizeof(mode));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_geneve(struct nlmsg* nlmsg, int sock, const char* name,
uint32_t vni, struct in_addr* addr4,
struct in6_addr* addr6)
{
netlink_add_device_impl(nlmsg, "geneve", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_GENEVE_ID, &vni, sizeof(vni));
if (addr4)
netlink_attr(nlmsg, IFLA_GENEVE_REMOTE, addr4, sizeof(*addr4));
if (addr6)
netlink_attr(nlmsg, IFLA_GENEVE_REMOTE6, addr6, sizeof(*addr6));
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
#define IFLA_IPVLAN_FLAGS 2
#define IPVLAN_MODE_L3S 2
#undef IPVLAN_F_VEPA
#define IPVLAN_F_VEPA 2
static void netlink_add_ipvlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link, uint16_t mode, uint16_t flags)
{
netlink_add_device_impl(nlmsg, "ipvlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_IPVLAN_MODE, &mode, sizeof(mode));
netlink_attr(nlmsg, IFLA_IPVLAN_FLAGS, &flags, sizeof(flags));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_device_change(struct nlmsg* nlmsg, int sock,
const char* name, bool up, const char* master,
const void* mac, int macsize,
const char* new_name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
if (up)
hdr.ifi_flags = hdr.ifi_change = IFF_UP;
hdr.ifi_index = if_nametoindex(name);
netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
if (new_name)
netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
if (master) {
int ifindex = if_nametoindex(master);
netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
}
if (macsize)
netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static int netlink_add_addr(struct nlmsg* nlmsg, int sock, const char* dev,
const void* addr, int addrsize)
{
struct ifaddrmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
hdr.ifa_scope = RT_SCOPE_UNIVERSE;
hdr.ifa_index = if_nametoindex(dev);
netlink_init(nlmsg, RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr,
sizeof(hdr));
netlink_attr(nlmsg, IFA_LOCAL, addr, addrsize);
netlink_attr(nlmsg, IFA_ADDRESS, addr, addrsize);
return netlink_send(nlmsg, sock);
}
static void netlink_add_addr4(struct nlmsg* nlmsg, int sock, const char* dev,
const char* addr)
{
struct in_addr in_addr;
inet_pton(AF_INET, addr, &in_addr);
int err = netlink_add_addr(nlmsg, sock, dev, &in_addr, sizeof(in_addr));
(void)err;
}
static void netlink_add_addr6(struct nlmsg* nlmsg, int sock, const char* dev,
const char* addr)
{
struct in6_addr in6_addr;
inet_pton(AF_INET6, addr, &in6_addr);
int err = netlink_add_addr(nlmsg, sock, dev, &in6_addr, sizeof(in6_addr));
(void)err;
}
static void netlink_add_neigh(struct nlmsg* nlmsg, int sock, const char* name,
const void* addr, int addrsize, const void* mac,
int macsize)
{
struct ndmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ndm_ifindex = if_nametoindex(name);
hdr.ndm_state = NUD_PERMANENT;
netlink_init(nlmsg, RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr,
sizeof(hdr));
netlink_attr(nlmsg, NDA_DST, addr, addrsize);
netlink_attr(nlmsg, NDA_LLADDR, mac, macsize);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static int tunfd = -1;
#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"
#define IFF_NAPI 0x0010
static void initialize_tun(void)
{
tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
if (tunfd == -1) {
printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
printf("otherwise fuzzing or reproducing might not work as intended\n");
return;
}
const int kTunFd = 240;
if (dup2(tunfd, kTunFd) < 0)
exit(1);
close(tunfd);
tunfd = kTunFd;
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
exit(1);
}
char sysctl[64];
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
write_file(sysctl, "0");
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
write_file(sysctl, "0");
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
netlink_add_addr4(&nlmsg, sock, TUN_IFACE, LOCAL_IPV4);
netlink_add_addr6(&nlmsg, sock, TUN_IFACE, LOCAL_IPV6);
uint64_t macaddr = REMOTE_MAC;
struct in_addr in_addr;
inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in_addr, sizeof(in_addr),
&macaddr, ETH_ALEN);
struct in6_addr in6_addr;
inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in6_addr, sizeof(in6_addr),
&macaddr, ETH_ALEN);
macaddr = LOCAL_MAC;
netlink_device_change(&nlmsg, sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN,
NULL);
close(sock);
}
#define DEVLINK_FAMILY_NAME "devlink"
#define DEVLINK_CMD_PORT_GET 5
#define DEVLINK_ATTR_BUS_NAME 1
#define DEVLINK_ATTR_DEV_NAME 2
#define DEVLINK_ATTR_NETDEV_NAME 7
static int netlink_devlink_id_get(struct nlmsg* nlmsg, int sock)
{
struct genlmsghdr genlhdr;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = CTRL_CMD_GETFAMILY;
netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, DEVLINK_FAMILY_NAME,
strlen(DEVLINK_FAMILY_NAME) + 1);
int n = 0;
int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
if (err) {
return -1;
}
uint16_t id = 0;
struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg->buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(uint16_t*)(attr + 1);
break;
}
}
if (!id) {
return -1;
}
recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
return id;
}
static struct nlmsg nlmsg2;
static void initialize_devlink_ports(const char* bus_name, const char* dev_name,
const char* netdev_prefix)
{
struct genlmsghdr genlhdr;
int len, total_len, id, err, offset;
uint16_t netdev_index;
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock == -1)
exit(1);
int rtsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (rtsock == -1)
exit(1);
id = netlink_devlink_id_get(&nlmsg, sock);
if (id == -1)
goto error;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = DEVLINK_CMD_PORT_GET;
netlink_init(&nlmsg, id, NLM_F_DUMP, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1);
netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1);
err = netlink_send_ext(&nlmsg, sock, id, &total_len);
if (err) {
goto error;
}
offset = 0;
netdev_index = 0;
while ((len = netlink_next_msg(&nlmsg, offset, total_len)) != -1) {
struct nlattr* attr = (struct nlattr*)(nlmsg.buf + offset + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg.buf + offset + len;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == DEVLINK_ATTR_NETDEV_NAME) {
char* port_name;
char netdev_name[IFNAMSIZ];
port_name = (char*)(attr + 1);
snprintf(netdev_name, sizeof(netdev_name), "%s%d", netdev_prefix,
netdev_index);
netlink_device_change(&nlmsg2, rtsock, port_name, true, 0, 0, 0,
netdev_name);
break;
}
}
offset += len;
netdev_index++;
}
error:
close(rtsock);
close(sock);
}
#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02x"
#define DEV_MAC 0x00aaaaaaaaaa
static void netdevsim_add(unsigned int addr, unsigned int port_count)
{
char buf[16];
sprintf(buf, "%u %u", addr, port_count);
if (write_file("/sys/bus/netdevsim/new_device", buf)) {
snprintf(buf, sizeof(buf), "netdevsim%d", addr);
initialize_devlink_ports("netdevsim", buf, "netdevsim");
}
}
#define WG_GENL_NAME "wireguard"
enum wg_cmd {
WG_CMD_GET_DEVICE,
WG_CMD_SET_DEVICE,
};
enum wgdevice_attribute {
WGDEVICE_A_UNSPEC,
WGDEVICE_A_IFINDEX,
WGDEVICE_A_IFNAME,
WGDEVICE_A_PRIVATE_KEY,
WGDEVICE_A_PUBLIC_KEY,
WGDEVICE_A_FLAGS,
WGDEVICE_A_LISTEN_PORT,
WGDEVICE_A_FWMARK,
WGDEVICE_A_PEERS,
};
enum wgpeer_attribute {
WGPEER_A_UNSPEC,
WGPEER_A_PUBLIC_KEY,
WGPEER_A_PRESHARED_KEY,
WGPEER_A_FLAGS,
WGPEER_A_ENDPOINT,
WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
WGPEER_A_LAST_HANDSHAKE_TIME,
WGPEER_A_RX_BYTES,
WGPEER_A_TX_BYTES,
WGPEER_A_ALLOWEDIPS,
WGPEER_A_PROTOCOL_VERSION,
};
enum wgallowedip_attribute {
WGALLOWEDIP_A_UNSPEC,
WGALLOWEDIP_A_FAMILY,
WGALLOWEDIP_A_IPADDR,
WGALLOWEDIP_A_CIDR_MASK,
};
static int netlink_wireguard_id_get(struct nlmsg* nlmsg, int sock)
{
struct genlmsghdr genlhdr;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = CTRL_CMD_GETFAMILY;
netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, WG_GENL_NAME,
strlen(WG_GENL_NAME) + 1);
int n = 0;
int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
if (err) {
return -1;
}
uint16_t id = 0;
struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg->buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(uint16_t*)(attr + 1);
break;
}
}
if (!id) {
return -1;
}
recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
return id;
}
static void netlink_wireguard_setup(void)
{
const char ifname_a[] = "wg0";
const char ifname_b[] = "wg1";
const char ifname_c[] = "wg2";
const char private_a[] =
"\xa0\x5c\xa8\x4f\x6c\x9c\x8e\x38\x53\xe2\xfd\x7a\x70\xae\x0f\xb2\x0f\xa1"
"\x52\x60\x0c\xb0\x08\x45\x17\x4f\x08\x07\x6f\x8d\x78\x43";
const char private_b[] =
"\xb0\x80\x73\xe8\xd4\x4e\x91\xe3\xda\x92\x2c\x22\x43\x82\x44\xbb\x88\x5c"
"\x69\xe2\x69\xc8\xe9\xd8\x35\xb1\x14\x29\x3a\x4d\xdc\x6e";
const char private_c[] =
"\xa0\xcb\x87\x9a\x47\xf5\xbc\x64\x4c\x0e\x69\x3f\xa6\xd0\x31\xc7\x4a\x15"
"\x53\xb6\xe9\x01\xb9\xff\x2f\x51\x8c\x78\x04\x2f\xb5\x42";
const char public_a[] =
"\x97\x5c\x9d\x81\xc9\x83\xc8\x20\x9e\xe7\x81\x25\x4b\x89\x9f\x8e\xd9\x25"
"\xae\x9f\x09\x23\xc2\x3c\x62\xf5\x3c\x57\xcd\xbf\x69\x1c";
const char public_b[] =
"\xd1\x73\x28\x99\xf6\x11\xcd\x89\x94\x03\x4d\x7f\x41\x3d\xc9\x57\x63\x0e"
"\x54\x93\xc2\x85\xac\xa4\x00\x65\xcb\x63\x11\xbe\x69\x6b";
const char public_c[] =
"\xf4\x4d\xa3\x67\xa8\x8e\xe6\x56\x4f\x02\x02\x11\x45\x67\x27\x08\x2f\x5c"
"\xeb\xee\x8b\x1b\xf5\xeb\x73\x37\x34\x1b\x45\x9b\x39\x22";
const uint16_t listen_a = 20001;
const uint16_t listen_b = 20002;
const uint16_t listen_c = 20003;
const uint16_t af_inet = AF_INET;
const uint16_t af_inet6 = AF_INET6;
const struct sockaddr_in endpoint_b_v4 = {
.sin_family = AF_INET,
.sin_port = htons(listen_b),
.sin_addr = {htonl(INADDR_LOOPBACK)}};
const struct sockaddr_in endpoint_c_v4 = {
.sin_family = AF_INET,
.sin_port = htons(listen_c),
.sin_addr = {htonl(INADDR_LOOPBACK)}};
struct sockaddr_in6 endpoint_a_v6 = {.sin6_family = AF_INET6,
.sin6_port = htons(listen_a)};
endpoint_a_v6.sin6_addr = in6addr_loopback;
struct sockaddr_in6 endpoint_c_v6 = {.sin6_family = AF_INET6,
.sin6_port = htons(listen_c)};
endpoint_c_v6.sin6_addr = in6addr_loopback;
const struct in_addr first_half_v4 = {0};
const struct in_addr second_half_v4 = {(uint32_t)htonl(128 << 24)};
const struct in6_addr first_half_v6 = {{{0}}};
const struct in6_addr second_half_v6 = {{{0x80}}};
const uint8_t half_cidr = 1;
const uint16_t persistent_keepalives[] = {1, 3, 7, 9, 14, 19};
struct genlmsghdr genlhdr = {.cmd = WG_CMD_SET_DEVICE, .version = 1};
int sock;
int id, err;
sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock == -1) {
return;
}
id = netlink_wireguard_id_get(&nlmsg, sock);
if (id == -1)
goto error;
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_a, strlen(ifname_a) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_a, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_a, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
sizeof(endpoint_b_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[0], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v6,
sizeof(endpoint_c_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[1], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_b, strlen(ifname_b) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_b, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_b, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
sizeof(endpoint_a_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[2], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v4,
sizeof(endpoint_c_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[3], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_c, strlen(ifname_c) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_c, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_c, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
sizeof(endpoint_a_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[4], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
sizeof(endpoint_b_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[5], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
error:
close(sock);
}
static void initialize_netdevices(void)
{
char netdevsim[16];
sprintf(netdevsim, "netdevsim%d", (int)procid);
struct {
const char* type;
const char* dev;
} devtypes[] = {
{"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"},
{"vcan", "vcan0"}, {"bond", "bond0"},
{"team", "team0"}, {"dummy", "dummy0"},
{"nlmon", "nlmon0"}, {"caif", "caif0"},
{"batadv", "batadv0"}, {"vxcan", "vxcan1"},
{"netdevsim", netdevsim}, {"veth", 0},
{"xfrm", "xfrm0"}, {"wireguard", "wg0"},
{"wireguard", "wg1"}, {"wireguard", "wg2"},
};
const char* devmasters[] = {"bridge", "bond", "team", "batadv"};
struct {
const char* name;
int macsize;
bool noipv6;
} devices[] = {
{"lo", ETH_ALEN},
{"sit0", 0},
{"bridge0", ETH_ALEN},
{"vcan0", 0, true},
{"tunl0", 0},
{"gre0", 0},
{"gretap0", ETH_ALEN},
{"ip_vti0", 0},
{"ip6_vti0", 0},
{"ip6tnl0", 0},
{"ip6gre0", 0},
{"ip6gretap0", ETH_ALEN},
{"erspan0", ETH_ALEN},
{"bond0", ETH_ALEN},
{"veth0", ETH_ALEN},
{"veth1", ETH_ALEN},
{"team0", ETH_ALEN},
{"veth0_to_bridge", ETH_ALEN},
{"veth1_to_bridge", ETH_ALEN},
{"veth0_to_bond", ETH_ALEN},
{"veth1_to_bond", ETH_ALEN},
{"veth0_to_team", ETH_ALEN},
{"veth1_to_team", ETH_ALEN},
{"veth0_to_hsr", ETH_ALEN},
{"veth1_to_hsr", ETH_ALEN},
{"hsr0", 0},
{"dummy0", ETH_ALEN},
{"nlmon0", 0},
{"vxcan0", 0, true},
{"vxcan1", 0, true},
{"caif0", ETH_ALEN},
{"batadv0", ETH_ALEN},
{netdevsim, ETH_ALEN},
{"xfrm0", ETH_ALEN},
{"veth0_virt_wifi", ETH_ALEN},
{"veth1_virt_wifi", ETH_ALEN},
{"virt_wifi0", ETH_ALEN},
{"veth0_vlan", ETH_ALEN},
{"veth1_vlan", ETH_ALEN},
{"vlan0", ETH_ALEN},
{"vlan1", ETH_ALEN},
{"macvlan0", ETH_ALEN},
{"macvlan1", ETH_ALEN},
{"ipvlan0", ETH_ALEN},
{"ipvlan1", ETH_ALEN},
{"veth0_macvtap", ETH_ALEN},
{"veth1_macvtap", ETH_ALEN},
{"macvtap0", ETH_ALEN},
{"macsec0", ETH_ALEN},
{"veth0_to_batadv", ETH_ALEN},
{"veth1_to_batadv", ETH_ALEN},
{"batadv_slave_0", ETH_ALEN},
{"batadv_slave_1", ETH_ALEN},
{"geneve0", ETH_ALEN},
{"geneve1", ETH_ALEN},
{"wg0", 0},
{"wg1", 0},
{"wg2", 0},
};
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++)
netlink_add_device(&nlmsg, sock, devtypes[i].type, devtypes[i].dev);
for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
char master[32], slave0[32], veth0[32], slave1[32], veth1[32];
sprintf(slave0, "%s_slave_0", devmasters[i]);
sprintf(veth0, "veth0_to_%s", devmasters[i]);
netlink_add_veth(&nlmsg, sock, slave0, veth0);
sprintf(slave1, "%s_slave_1", devmasters[i]);
sprintf(veth1, "veth1_to_%s", devmasters[i]);
netlink_add_veth(&nlmsg, sock, slave1, veth1);
sprintf(master, "%s0", devmasters[i]);
netlink_device_change(&nlmsg, sock, slave0, false, master, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, slave1, false, master, 0, 0, NULL);
}
netlink_device_change(&nlmsg, sock, "bridge_slave_0", true, 0, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, "bridge_slave_1", true, 0, 0, 0, NULL);
netlink_add_veth(&nlmsg, sock, "hsr_slave_0", "veth0_to_hsr");
netlink_add_veth(&nlmsg, sock, "hsr_slave_1", "veth1_to_hsr");
netlink_add_hsr(&nlmsg, sock, "hsr0", "hsr_slave_0", "hsr_slave_1");
netlink_device_change(&nlmsg, sock, "hsr_slave_0", true, 0, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, "hsr_slave_1", true, 0, 0, 0, NULL);
netlink_add_veth(&nlmsg, sock, "veth0_virt_wifi", "veth1_virt_wifi");
netlink_add_linked(&nlmsg, sock, "virt_wifi", "virt_wifi0",
"veth1_virt_wifi");
netlink_add_veth(&nlmsg, sock, "veth0_vlan", "veth1_vlan");
netlink_add_vlan(&nlmsg, sock, "vlan0", "veth0_vlan", 0, htons(ETH_P_8021Q));
netlink_add_vlan(&nlmsg, sock, "vlan1", "veth0_vlan", 1, htons(ETH_P_8021AD));
netlink_add_macvlan(&nlmsg, sock, "macvlan0", "veth1_vlan");
netlink_add_macvlan(&nlmsg, sock, "macvlan1", "veth1_vlan");
netlink_add_ipvlan(&nlmsg, sock, "ipvlan0", "veth0_vlan", IPVLAN_MODE_L2, 0);
netlink_add_ipvlan(&nlmsg, sock, "ipvlan1", "veth0_vlan", IPVLAN_MODE_L3S,
IPVLAN_F_VEPA);
netlink_add_veth(&nlmsg, sock, "veth0_macvtap", "veth1_macvtap");
netlink_add_linked(&nlmsg, sock, "macvtap", "macvtap0", "veth0_macvtap");
netlink_add_linked(&nlmsg, sock, "macsec", "macsec0", "veth1_macvtap");
char addr[32];
sprintf(addr, DEV_IPV4, 14 + 10);
struct in_addr geneve_addr4;
if (inet_pton(AF_INET, addr, &geneve_addr4) <= 0)
exit(1);
struct in6_addr geneve_addr6;
if (inet_pton(AF_INET6, "fc00::01", &geneve_addr6) <= 0)
exit(1);
netlink_add_geneve(&nlmsg, sock, "geneve0", 0, &geneve_addr4, 0);
netlink_add_geneve(&nlmsg, sock, "geneve1", 1, 0, &geneve_addr6);
netdevsim_add((int)procid, 4);
netlink_wireguard_setup();
for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) {
char addr[32];
sprintf(addr, DEV_IPV4, i + 10);
netlink_add_addr4(&nlmsg, sock, devices[i].name, addr);
if (!devices[i].noipv6) {
sprintf(addr, DEV_IPV6, i + 10);
netlink_add_addr6(&nlmsg, sock, devices[i].name, addr);
}
uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40);
netlink_device_change(&nlmsg, sock, devices[i].name, true, 0, &macaddr,
devices[i].macsize, NULL);
}
close(sock);
}
static void initialize_netdevices_init(void)
{
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
struct {
const char* type;
int macsize;
bool noipv6;
bool noup;
} devtypes[] = {
{"nr", 7, true},
{"rose", 5, true, true},
};
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) {
char dev[32], addr[32];
sprintf(dev, "%s%d", devtypes[i].type, (int)procid);
sprintf(addr, "172.30.%d.%d", i, (int)procid + 1);
netlink_add_addr4(&nlmsg, sock, dev, addr);
if (!devtypes[i].noipv6) {
sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1);
netlink_add_addr6(&nlmsg, sock, dev, addr);
}
int macsize = devtypes[i].macsize;
uint64_t macaddr = 0xbbbbbb +
((unsigned long long)i << (8 * (macsize - 2))) +
(procid << (8 * (macsize - 1)));
netlink_device_change(&nlmsg, sock, dev, !devtypes[i].noup, 0, &macaddr,
macsize, NULL);
}
close(sock);
}
static int read_tun(char* data, int size)
{
if (tunfd < 0)
return -1;
int rv = read(tunfd, data, size);
if (rv < 0) {
if (errno == EAGAIN || errno == EBADFD)
return -1;
exit(1);
}
return rv;
}
static void flush_tun()
{
char data[1000];
while (read_tun(&data[0], sizeof(data)) != -1) {
}
}
#define MAX_FDS 30
#define BTPROTO_HCI 1
#define ACL_LINK 1
#define SCAN_PAGE 2
typedef struct {
uint8_t b[6];
} __attribute__((packed)) bdaddr_t;
#define HCI_COMMAND_PKT 1
#define HCI_EVENT_PKT 4
#define HCI_VENDOR_PKT 0xff
struct hci_command_hdr {
uint16_t opcode;
uint8_t plen;
} __attribute__((packed));
struct hci_event_hdr {
uint8_t evt;
uint8_t plen;
} __attribute__((packed));
#define HCI_EV_CONN_COMPLETE 0x03
struct hci_ev_conn_complete {
uint8_t status;
uint16_t handle;
bdaddr_t bdaddr;
uint8_t link_type;
uint8_t encr_mode;
} __attribute__((packed));
#define HCI_EV_CONN_REQUEST 0x04
struct hci_ev_conn_request {
bdaddr_t bdaddr;
uint8_t dev_class[3];
uint8_t link_type;
} __attribute__((packed));
#define HCI_EV_REMOTE_FEATURES 0x0b
struct hci_ev_remote_features {
uint8_t status;
uint16_t handle;
uint8_t features[8];
} __attribute__((packed));
#define HCI_EV_CMD_COMPLETE 0x0e
struct hci_ev_cmd_complete {
uint8_t ncmd;
uint16_t opcode;
} __attribute__((packed));
#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a
#define HCI_OP_READ_BUFFER_SIZE 0x1005
struct hci_rp_read_buffer_size {
uint8_t status;
uint16_t acl_mtu;
uint8_t sco_mtu;
uint16_t acl_max_pkt;
uint16_t sco_max_pkt;
} __attribute__((packed));
#define HCI_OP_READ_BD_ADDR 0x1009
struct hci_rp_read_bd_addr {
uint8_t status;
bdaddr_t bdaddr;
} __attribute__((packed));
#define HCI_EV_LE_META 0x3e
struct hci_ev_le_meta {
uint8_t subevent;
} __attribute__((packed));
#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
uint8_t status;
uint16_t handle;
uint8_t role;
uint8_t bdaddr_type;
bdaddr_t bdaddr;
uint16_t interval;
uint16_t latency;
uint16_t supervision_timeout;
uint8_t clk_accurancy;
} __attribute__((packed));
struct hci_dev_req {
uint16_t dev_id;
uint32_t dev_opt;
};
struct vhci_vendor_pkt {
uint8_t type;
uint8_t opcode;
uint16_t id;
};
#define HCIDEVUP _IOW('H', 201, int)
#define HCISETSCAN _IOW('H', 221, int)
static int vhci_fd = -1;
static void rfkill_unblock_all()
{
int fd = open("/dev/rfkill", O_WRONLY);
if (fd < 0)
exit(1);
struct rfkill_event event = {0};
event.idx = 0;
event.type = RFKILL_TYPE_ALL;
event.op = RFKILL_OP_CHANGE_ALL;
event.soft = 0;
event.hard = 0;
if (write(fd, &event, sizeof(event)) < 0)
exit(1);
close(fd);
}
static void hci_send_event_packet(int fd, uint8_t evt, void* data,
size_t data_len)
{
struct iovec iv[3];
struct hci_event_hdr hdr;
hdr.evt = evt;
hdr.plen = data_len;
uint8_t type = HCI_EVENT_PKT;
iv[0].iov_base = &type;
iv[0].iov_len = sizeof(type);
iv[1].iov_base = &hdr;
iv[1].iov_len = sizeof(hdr);
iv[2].iov_base = data;
iv[2].iov_len = data_len;
if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
exit(1);
}
static void hci_send_event_cmd_complete(int fd, uint16_t opcode, void* data,
size_t data_len)
{
struct iovec iv[4];
struct hci_event_hdr hdr;
hdr.evt = HCI_EV_CMD_COMPLETE;
hdr.plen = sizeof(struct hci_ev_cmd_complete) + data_len;
struct hci_ev_cmd_complete evt_hdr;
evt_hdr.ncmd = 1;
evt_hdr.opcode = opcode;
uint8_t type = HCI_EVENT_PKT;
iv[0].iov_base = &type;
iv[0].iov_len = sizeof(type);
iv[1].iov_base = &hdr;
iv[1].iov_len = sizeof(hdr);
iv[2].iov_base = &evt_hdr;
iv[2].iov_len = sizeof(evt_hdr);
iv[3].iov_base = data;
iv[3].iov_len = data_len;
if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
exit(1);
}
static bool process_command_pkt(int fd, char* buf, ssize_t buf_size)
{
struct hci_command_hdr* hdr = (struct hci_command_hdr*)buf;
if (buf_size < (ssize_t)sizeof(struct hci_command_hdr) ||
hdr->plen != buf_size - sizeof(struct hci_command_hdr)) {
exit(1);
}
switch (hdr->opcode) {
case HCI_OP_WRITE_SCAN_ENABLE: {
uint8_t status = 0;
hci_send_event_cmd_complete(fd, hdr->opcode, &status, sizeof(status));
return true;
}
case HCI_OP_READ_BD_ADDR: {
struct hci_rp_read_bd_addr rp = {0};
rp.status = 0;
memset(&rp.bdaddr, 0xaa, 6);
hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
return false;
}
case HCI_OP_READ_BUFFER_SIZE: {
struct hci_rp_read_buffer_size rp = {0};
rp.status = 0;
rp.acl_mtu = 1021;
rp.sco_mtu = 96;
rp.acl_max_pkt = 4;
rp.sco_max_pkt = 6;
hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
return false;
}
}
char dummy[0xf9] = {0};
hci_send_event_cmd_complete(fd, hdr->opcode, dummy, sizeof(dummy));
return false;
}
static void* event_thread(void* arg)
{
while (1) {
char buf[1024] = {0};
ssize_t buf_size = read(vhci_fd, buf, sizeof(buf));
if (buf_size < 0)
exit(1);
if (buf_size > 0 && buf[0] == HCI_COMMAND_PKT) {
if (process_command_pkt(vhci_fd, buf + 1, buf_size - 1))
break;
}
}
return NULL;
}
#define HCI_HANDLE_1 200
#define HCI_HANDLE_2 201
static void initialize_vhci()
{
int hci_sock = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
if (hci_sock < 0)
exit(1);
vhci_fd = open("/dev/vhci", O_RDWR);
if (vhci_fd == -1)
exit(1);
const int kVhciFd = 241;
if (dup2(vhci_fd, kVhciFd) < 0)
exit(1);
close(vhci_fd);
vhci_fd = kVhciFd;
struct vhci_vendor_pkt vendor_pkt;
if (read(vhci_fd, &vendor_pkt, sizeof(vendor_pkt)) != sizeof(vendor_pkt))
exit(1);
if (vendor_pkt.type != HCI_VENDOR_PKT)
exit(1);
pthread_t th;
if (pthread_create(&th, NULL, event_thread, NULL))
exit(1);
int ret = ioctl(hci_sock, HCIDEVUP, vendor_pkt.id);
if (ret) {
if (errno == ERFKILL) {
rfkill_unblock_all();
ret = ioctl(hci_sock, HCIDEVUP, vendor_pkt.id);
}
if (ret && errno != EALREADY)
exit(1);
}
struct hci_dev_req dr = {0};
dr.dev_id = vendor_pkt.id;
dr.dev_opt = SCAN_PAGE;
if (ioctl(hci_sock, HCISETSCAN, &dr))
exit(1);
struct hci_ev_conn_request request;
memset(&request, 0, sizeof(request));
memset(&request.bdaddr, 0xaa, 6);
*(uint8_t*)&request.bdaddr.b[5] = 0x10;
request.link_type = ACL_LINK;
hci_send_event_packet(vhci_fd, HCI_EV_CONN_REQUEST, &request,
sizeof(request));
struct hci_ev_conn_complete complete;
memset(&complete, 0, sizeof(complete));
complete.status = 0;
complete.handle = HCI_HANDLE_1;
memset(&complete.bdaddr, 0xaa, 6);
*(uint8_t*)&complete.bdaddr.b[5] = 0x10;
complete.link_type = ACL_LINK;
complete.encr_mode = 0;
hci_send_event_packet(vhci_fd, HCI_EV_CONN_COMPLETE, &complete,
sizeof(complete));
struct hci_ev_remote_features features;
memset(&features, 0, sizeof(features));
features.status = 0;
features.handle = HCI_HANDLE_1;
hci_send_event_packet(vhci_fd, HCI_EV_REMOTE_FEATURES, &features,
sizeof(features));
struct {
struct hci_ev_le_meta le_meta;
struct hci_ev_le_conn_complete le_conn;
} le_conn;
memset(&le_conn, 0, sizeof(le_conn));
le_conn.le_meta.subevent = HCI_EV_LE_CONN_COMPLETE;
memset(&le_conn.le_conn.bdaddr, 0xaa, 6);
*(uint8_t*)&le_conn.le_conn.bdaddr.b[5] = 0x11;
le_conn.le_conn.role = 1;
le_conn.le_conn.handle = HCI_HANDLE_2;
hci_send_event_packet(vhci_fd, HCI_EV_LE_META, &le_conn, sizeof(le_conn));
pthread_join(th, NULL);
close(hci_sock);
}
#define XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10
struct xt_counters {
uint64_t pcnt, bcnt;
};
struct ipt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_entries;
unsigned int size;
};
struct ipt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct ipt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct ipt_table_desc {
const char* name;
struct ipt_getinfo info;
struct ipt_replace replace;
};
static struct ipt_table_desc ipv4_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
static struct ipt_table_desc ipv6_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
struct arpt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_entries;
unsigned int size;
};
struct arpt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct arpt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct arpt_table_desc {
const char* name;
struct arpt_getinfo info;
struct arpt_replace replace;
};
static struct arpt_table_desc arpt_tables[] = {
{.name = "filter"},
};
#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
int fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (int i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
socklen_t optlen = sizeof(table->info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
struct ipt_get_entries entries;
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
int fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (int i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
if (table->info.valid_hooks == 0)
continue;
struct ipt_getinfo info;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
socklen_t optlen = sizeof(info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
struct ipt_get_entries entries;
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
}
struct xt_counters counters[XT_MAX_ENTRIES];
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_arptables(void)
{
int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (unsigned i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
socklen_t optlen = sizeof(table->info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
struct arpt_get_entries entries;
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_arptables()
{
int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (unsigned i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
if (table->info.valid_hooks == 0)
continue;
struct arpt_getinfo info;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
socklen_t optlen = sizeof(info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
struct arpt_get_entries entries;
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
} else {
}
struct xt_counters counters[XT_MAX_ENTRIES];
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
#define NF_BR_NUMHOOKS 6
#define EBT_TABLE_MAXNAMELEN 32
#define EBT_CHAIN_MAXNAMELEN 32
#define EBT_BASE_CTL 128
#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
#define EBT_SO_GET_INFO (EBT_BASE_CTL)
#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO + 1)
#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES + 1)
#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO + 1)
struct ebt_replace {
char name[EBT_TABLE_MAXNAMELEN];
unsigned int valid_hooks;
unsigned int nentries;
unsigned int entries_size;
struct ebt_entries* hook_entry[NF_BR_NUMHOOKS];
unsigned int num_counters;
struct ebt_counter* counters;
char* entries;
};
struct ebt_entries {
unsigned int distinguisher;
char name[EBT_CHAIN_MAXNAMELEN];
unsigned int counter_offset;
int policy;
unsigned int nentries;
char data[0] __attribute__((aligned(__alignof__(struct ebt_replace))));
};
struct ebt_table_desc {
const char* name;
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
};
static struct ebt_table_desc ebt_tables[] = {
{.name = "filter"},
{.name = "nat"},
{.name = "broute"},
};
static void checkpoint_ebtables(void)
{
int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (size_t i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
strcpy(table->replace.name, table->name);
socklen_t optlen = sizeof(table->replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
&optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->replace.entries_size > sizeof(table->entrytable))
exit(1);
table->replace.num_counters = 0;
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
&optlen))
exit(1);
}
close(fd);
}
static void reset_ebtables()
{
int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (unsigned i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
if (table->replace.valid_hooks == 0)
continue;
struct ebt_replace replace;
memset(&replace, 0, sizeof(replace));
strcpy(replace.name, table->name);
socklen_t optlen = sizeof(replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
exit(1);
replace.num_counters = 0;
table->replace.entries = 0;
for (unsigned h = 0; h < NF_BR_NUMHOOKS; h++)
table->replace.hook_entry[h] = 0;
if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
char entrytable[XT_TABLE_SIZE];
memset(&entrytable, 0, sizeof(entrytable));
replace.entries = entrytable;
optlen = sizeof(replace) + replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
exit(1);
if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
continue;
}
for (unsigned j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
if (table->replace.valid_hooks & (1 << h)) {
table->replace.hook_entry[h] =
(struct ebt_entries*)table->entrytable + j;
j++;
}
}
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_net_namespace(void)
{
checkpoint_ebtables();
checkpoint_arptables();
checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void reset_net_namespace(void)
{
reset_ebtables();
reset_arptables();
reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void setup_cgroups()
{
if (mkdir("/syzcgroup", 0777)) {
}
if (mkdir("/syzcgroup/unified", 0777)) {
}
if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
}
if (chmod("/syzcgroup/unified", 0777)) {
}
write_file("/syzcgroup/unified/cgroup.subtree_control",
"+cpu +memory +io +pids +rdma");
if (mkdir("/syzcgroup/cpu", 0777)) {
}
if (mount("none", "/syzcgroup/cpu", "cgroup", 0,
"cpuset,cpuacct,perf_event,hugetlb")) {
}
write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1");
if (chmod("/syzcgroup/cpu", 0777)) {
}
if (mkdir("/syzcgroup/net", 0777)) {
}
if (mount("none", "/syzcgroup/net", "cgroup", 0,
"net_cls,net_prio,devices,freezer")) {
}
if (chmod("/syzcgroup/net", 0777)) {
}
}
static void setup_cgroups_loop()
{
int pid = getpid();
char file[128];
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
write_file(file, "32");
snprintf(file, sizeof(file), "%s/memory.low", cgroupdir);
write_file(file, "%d", 298 << 20);
snprintf(file, sizeof(file), "%s/memory.high", cgroupdir);
write_file(file, "%d", 299 << 20);
snprintf(file, sizeof(file), "%s/memory.max", cgroupdir);
write_file(file, "%d", 300 << 20);
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
}
static void setup_cgroups_test()
{
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.cpu")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.net")) {
}
}
static void setup_common()
{
if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
}
setup_cgroups();
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setsid();
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = (200 << 20);
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 32 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 136 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 256;
setrlimit(RLIMIT_NOFILE, &rlim);
if (unshare(CLONE_NEWNS)) {
}
if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(0x02000000)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
typedef struct {
const char* name;
const char* value;
} sysctl_t;
static const sysctl_t sysctls[] = {
{"/proc/sys/kernel/shmmax", "16777216"},
{"/proc/sys/kernel/shmall", "536870912"},
{"/proc/sys/kernel/shmmni", "1024"},
{"/proc/sys/kernel/msgmax", "8192"},
{"/proc/sys/kernel/msgmni", "1024"},
{"/proc/sys/kernel/msgmnb", "1024"},
{"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
};
unsigned i;
for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
write_file(sysctls[i].name, sysctls[i].value);
}
static int wait_for_loop(int pid)
{
if (pid < 0)
exit(1);
int status = 0;
while (waitpid(-1, &status, __WALL) != pid) {
}
return WEXITSTATUS(status);
}
static void drop_caps(void)
{
struct __user_cap_header_struct cap_hdr = {};
struct __user_cap_data_struct cap_data[2] = {};
cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
cap_hdr.pid = getpid();
if (syscall(SYS_capget, &cap_hdr, &cap_data))
exit(1);
const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
cap_data[0].effective &= ~drop;
cap_data[0].permitted &= ~drop;
cap_data[0].inheritable &= ~drop;
if (syscall(SYS_capset, &cap_hdr, &cap_data))
exit(1);
}
static int do_sandbox_none(void)
{
if (unshare(CLONE_NEWPID)) {
}
int pid = fork();
if (pid != 0)
return wait_for_loop(pid);
setup_common();
initialize_vhci();
sandbox_common();
drop_caps();
initialize_netdevices_init();
if (unshare(CLONE_NEWNET)) {
}
initialize_tun();
initialize_netdevices();
loop();
exit(1);
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
int iter = 0;
DIR* dp = 0;
retry:
while (umount2(dir, MNT_DETACH) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
struct dirent* ep = 0;
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
while (umount2(filename, MNT_DETACH) == 0) {
}
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
if (umount2(filename, MNT_DETACH))
exit(1);
}
}
closedir(dp);
for (int i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH))
exit(1);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
for (int i = 0; i < 100; i++) {
if (waitpid(-1, status, WNOHANG | __WALL) == pid)
return;
usleep(1000);
}
DIR* dir = opendir("/sys/fs/fuse/connections");
if (dir) {
for (;;) {
struct dirent* ent = readdir(dir);
if (!ent)
break;
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
char abort[300];
snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
ent->d_name);
int fd = open(abort, O_WRONLY);
if (fd == -1) {
continue;
}
if (write(fd, abort, 1) < 0) {
}
close(fd);
}
closedir(dir);
} else {
}
while (waitpid(-1, status, __WALL) != pid) {
}
}
static void setup_loop()
{
setup_cgroups_loop();
checkpoint_net_namespace();
}
static void reset_loop()
{
reset_net_namespace();
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setup_cgroups_test();
write_file("/proc/self/oom_score_adj", "1000");
flush_tun();
}
static void close_fds()
{
for (int fd = 3; fd < MAX_FDS; fd++)
close(fd);
}
static void setup_binfmt_misc()
{
if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
}
write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
write_file("/proc/sys/fs/binfmt_misc/register",
":syz1:M:1:\x02::./file0:POC");
}
struct thread_t {
int created, call;
event_t ready, done;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
event_wait(&th->ready);
event_reset(&th->ready);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
event_set(&th->done);
}
return 0;
}
static void execute_one(void)
{
int i, call, thread;
int collide = 0;
again:
for (call = 0; call < 6; call++) {
for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
event_init(&th->ready);
event_init(&th->done);
event_set(&th->done);
thread_start(thr, th);
}
if (!event_isset(&th->done))
continue;
event_reset(&th->done);
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
event_set(&th->ready);
if (collide && (call % 2) == 0)
break;
event_timedwait(&th->done, 45);
break;
}
}
for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
sleep_ms(1);
close_fds();
if (!collide) {
collide = 1;
goto again;
}
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
setup_loop();
int iter = 0;
for (;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
reset_loop();
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5 * 1000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};
void execute_call(int call)
{
intptr_t res = 0;
switch (call) {
case 0:
res = syscall(__NR_socketpair, 1ul, 1ul, 0, 0x20000000ul);
if (res != -1)
NONFAILING(r[0] = *(uint32_t*)0x20000004);
break;
case 1:
res = syscall(__NR_epoll_create1, 0ul);
if (res != -1)
r[1] = res;
break;
case 2:
NONFAILING(*(uint32_t*)0x20b82000 = 0x40000004);
NONFAILING(*(uint64_t*)0x20b82004 = 0);
syscall(__NR_epoll_ctl, r[1], 1ul, r[0], 0x20b82000ul);
break;
case 3:
syscall(__NR_epoll_ctl, r[1], 3ul, r[0], 0ul);
break;
case 4:
res = syscall(__NR_epoll_create1, 0ul);
if (res != -1)
r[2] = res;
break;
case 5:
NONFAILING(*(uint32_t*)0x20000080 = 0);
NONFAILING(*(uint64_t*)0x20000084 = 0);
syscall(__NR_epoll_ctl, r[2], 1ul, r[1], 0x20000080ul);
break;
}
}
int main(void)
{
syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
setup_binfmt_misc();
install_segv_handler();
for (procid = 0; procid < 6; procid++) {
if (fork() == 0) {
use_temporary_dir();
do_sandbox_none();
}
}
sleep(1000000);
return 0;
}
|
the_stack_data/923730.c | // BUG: unable to handle kernel paging request in dquot_add_space
// https://syzkaller.appspot.com/bug?id=1085dec0e2097c537d0b
// status:0
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>
#include <linux/loop.h>
static unsigned long long procid;
struct fs_image_segment {
void* data;
uintptr_t size;
uintptr_t offset;
};
#define IMAGE_MAX_SEGMENTS 4096
#define IMAGE_MAX_SIZE (129 << 20)
#define sys_memfd_create 319
static unsigned long fs_image_segment_check(unsigned long size,
unsigned long nsegs,
struct fs_image_segment* segs)
{
if (nsegs > IMAGE_MAX_SEGMENTS)
nsegs = IMAGE_MAX_SEGMENTS;
for (size_t i = 0; i < nsegs; i++) {
if (segs[i].size > IMAGE_MAX_SIZE)
segs[i].size = IMAGE_MAX_SIZE;
segs[i].offset %= IMAGE_MAX_SIZE;
if (segs[i].offset > IMAGE_MAX_SIZE - segs[i].size)
segs[i].offset = IMAGE_MAX_SIZE - segs[i].size;
if (size < segs[i].offset + segs[i].offset)
size = segs[i].offset + segs[i].offset;
}
if (size > IMAGE_MAX_SIZE)
size = IMAGE_MAX_SIZE;
return size;
}
static int setup_loop_device(long unsigned size, long unsigned nsegs,
struct fs_image_segment* segs,
const char* loopname, int* memfd_p, int* loopfd_p)
{
int err = 0, loopfd = -1;
size = fs_image_segment_check(size, nsegs, segs);
int memfd = syscall(sys_memfd_create, "syzkaller", 0);
if (memfd == -1) {
err = errno;
goto error;
}
if (ftruncate(memfd, size)) {
err = errno;
goto error_close_memfd;
}
for (size_t i = 0; i < nsegs; i++) {
if (pwrite(memfd, segs[i].data, segs[i].size, segs[i].offset) < 0) {
}
}
loopfd = open(loopname, O_RDWR);
if (loopfd == -1) {
err = errno;
goto error_close_memfd;
}
if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
if (errno != EBUSY) {
err = errno;
goto error_close_loop;
}
ioctl(loopfd, LOOP_CLR_FD, 0);
usleep(1000);
if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
err = errno;
goto error_close_loop;
}
}
*memfd_p = memfd;
*loopfd_p = loopfd;
return 0;
error_close_loop:
close(loopfd);
error_close_memfd:
close(memfd);
error:
errno = err;
return -1;
}
static long syz_mount_image(volatile long fsarg, volatile long dir,
volatile unsigned long size,
volatile unsigned long nsegs,
volatile long segments, volatile long flags,
volatile long optsarg)
{
struct fs_image_segment* segs = (struct fs_image_segment*)segments;
int res = -1, err = 0, loopfd = -1, memfd = -1, need_loop_device = !!segs;
char* mount_opts = (char*)optsarg;
char* target = (char*)dir;
char* fs = (char*)fsarg;
char* source = NULL;
char loopname[64];
if (need_loop_device) {
memset(loopname, 0, sizeof(loopname));
snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
if (setup_loop_device(size, nsegs, segs, loopname, &memfd, &loopfd) == -1)
return -1;
source = loopname;
}
mkdir(target, 0777);
char opts[256];
memset(opts, 0, sizeof(opts));
if (strlen(mount_opts) > (sizeof(opts) - 32)) {
}
strncpy(opts, mount_opts, sizeof(opts) - 32);
if (strcmp(fs, "iso9660") == 0) {
flags |= MS_RDONLY;
} else if (strncmp(fs, "ext", 3) == 0) {
if (strstr(opts, "errors=panic") || strstr(opts, "errors=remount-ro") == 0)
strcat(opts, ",errors=continue");
} else if (strcmp(fs, "xfs") == 0) {
strcat(opts, ",nouuid");
}
res = mount(source, target, fs, flags, opts);
if (res == -1) {
err = errno;
goto error_clear_loop;
}
res = open(target, O_RDONLY | O_DIRECTORY);
if (res == -1) {
err = errno;
}
error_clear_loop:
if (need_loop_device) {
ioctl(loopfd, LOOP_CLR_FD, 0);
close(loopfd);
close(memfd);
}
errno = err;
return res;
}
int main(void)
{
syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
memcpy((void*)0x20000000, "ext4\000", 5);
memcpy((void*)0x20000100, "./file0\000", 8);
*(uint64_t*)0x20000200 = 0x20010000;
memcpy((void*)0x20010000,
"\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f"
"\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20"
"\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xdd\xf4\x65\x5f\xdd\xf4\x65"
"\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xdd\xf4\x65\x5f"
"\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b"
"\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00\x62\x01",
102);
*(uint64_t*)0x20000208 = 0x66;
*(uint64_t*)0x20000210 = 0x400;
*(uint64_t*)0x20000218 = 0;
*(uint64_t*)0x20000220 = 0;
*(uint64_t*)0x20000228 = 0;
*(uint64_t*)0x20000230 = 0x20010200;
memcpy((void*)0x20010200, "\x01\x00\x00\x00\x00\x00\x05\x00\x11", 9);
*(uint64_t*)0x20000238 = 9;
*(uint64_t*)0x20000240 = 0x560;
*(uint64_t*)0x20000248 = 0x20010300;
memcpy((void*)0x20010300, "\x03", 1);
*(uint64_t*)0x20000250 = 1;
*(uint64_t*)0x20000258 = 0x640;
*(uint64_t*)0x20000260 = 0x20010400;
memcpy((void*)0x20010400,
"\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce", 13);
*(uint64_t*)0x20000268 = 0xd;
*(uint64_t*)0x20000270 = 0x800;
*(uint64_t*)0x20000278 = 0x20010500;
memcpy(
(void*)0x20010500,
"\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff",
1024);
*(uint64_t*)0x20000280 = 0x400;
*(uint64_t*)0x20000288 = 0xc00;
*(uint64_t*)0x20000290 = 0x20011600;
memcpy((void*)0x20011600, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8);
*(uint64_t*)0x20000298 = 8;
*(uint64_t*)0x200002a0 = 0x4400;
*(uint64_t*)0x200002a8 = 0x20000440;
memcpy((void*)0x20000440,
"\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00"
"\x00\x00\x00\x06\xc2\xb0\xc8\x62\x5b\xd2\x32\x6d\x81\x3f\x6f\xe7\x24"
"\x0f\x8b\xc8\x55\xba\xdd\xbc\x3b\x5f\xf6\xf9\x1d\x0c\x3f\xee\xfb\x5f"
"\xfc\x70\x0a\xb3\x05\x47\x40\xe2\xfe\xfa\xb4\x4d\xe1\xc2\xb9\x74\x97"
"\x84\xec\x4e\x5c\x9c\x3d\x20\x80\xf2\x38\xa7\xb5\x08\x22\x01\xac\xd4"
"\xfb\x73\x83\x3b\xb0\x67\x9f\xf4\x52\x5d\x0a\xb6\x41\x49\x03\xa7\x9a"
"\xac\x73\xb6\x93\x90\x99\x30\x8c\x4b\x85\x21\x20\x14\x4b\x55\x55\xf3"
"\x58\xef\xf6\x16\xd8\x83\x55\x80\x00\xd6\x10\xd4\xc1\xa4\x76\xd5\x72"
"\xd6\xc4\x59\x30\x79\xcd\x90\xea\xf0\xd3\xcd\xfe\xbd\xb3\x59\xe2\x7c"
"\x1a\xd8\x9a\xd5\x47\x61\x5e\x15\x86\xf1\x4f\xba\x7a\xc5\x8c\xad\x7c"
"\x30\xca\x44\x17\x56\x66\x72\x41\xf6\x96\x20\x31\x5f\x6a\x41\xfe\xbd"
"\x0c\xa3\x52\x1d\x81\xad\x6b\xcb\x5b\x72\x47\x4e\xba\x92\x1a\x8c\xe3"
"\x38\x1c\xfa\x7c\x71\x88\xf4\xbe\xe9\x52\xa7\xb3\x7f\x96\x8d\x74\x59"
"\xc4\x59\x52\x58\x5a\xe8\x66\x78\x69",
230);
*(uint64_t*)0x200002b0 = 0xe6;
*(uint64_t*)0x200002b8 = 0x4800;
*(uint64_t*)0x200002c0 = 0;
*(uint64_t*)0x200002c8 = 0;
*(uint64_t*)0x200002d0 = 0x6400;
*(uint64_t*)0x200002d8 = 0x20012b00;
memcpy((void*)0x20012b00, "\xed\x41\x00\x00\x00\x04\x00\x00\xdd\xf4\x65\x5f"
"\xdd\xf4\x65\x5f\xdd\xf4\x65\x5f\x00\x00\x00\x00"
"\x00\x00\x04\x00\x02",
29);
*(uint64_t*)0x200002e0 = 0x1d;
*(uint64_t*)0x200002e8 = 0x8c80;
*(uint64_t*)0x200002f0 = 0x20012c00;
memcpy((void*)0x20012c00,
"\x80\x81\x00\x00\x00\x18\x00\x00\xdd\xf4\x65\x5f\xdd\xf4\x65\x5f\xdd"
"\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00"
"\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00"
"\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x81\x00\x00\x00\x18\x00\x00"
"\xdd\xf4\x65\x5f\xdd\xf4\x65\x5f\xdd\xf4\x65\x5f\x00\x00\x00\x00\x00"
"\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3"
"\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00"
"\x00\x19\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x1e\x00\x00\x00"
"\x02\x00\x00\x00\x04\x00\x00\x00\x1a",
213);
*(uint64_t*)0x200002f8 = 0xd5;
*(uint64_t*)0x20000300 = 0x8d00;
syz_mount_image(0x20000000, 0x20000100, 0x40000, 0xb, 0x20000200, 0,
0x20000140);
memcpy((void*)0x20000040, "./file0\000", 8);
memcpy((void*)0x20000080, "trusted.overlay.redirect\000", 25);
syscall(__NR_setxattr, 0x20000040ul, 0x20000080ul, 0ul, 0ul, 0ul);
return 0;
}
|
the_stack_data/97012165.c | /* Copyright (c) 2016, Dennis Wölfing
*
* 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.
*/
/* libc/src/stdio/flockfile.c
* File locking.
*/
#include <stdio.h>
void flockfile(FILE* file) {
(void) file;
}
|
the_stack_data/119357.c | /* Definitions of target machine for GNU compiler, for IBM S/390
Copyright (C) 1999-2020 Free Software Foundation, Inc.
Contributed by Hartmut Penner ([email protected]) and
Ulrich Weigand ([email protected]).
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef __s390x__
#define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF)
#define EXPONENT_BIAS 1023
#define MANTISSA_BITS 52
#define PRECISION (MANTISSA_BITS + 1)
#define SIGNBIT 0x80000000
#define SIGN(fp) ((fp.l.upper) & SIGNBIT)
#define MANTD_LL(fp) ((fp.ll & (HIDDEND_LL-1)) | HIDDEND_LL)
#define FRACD_LL(fp) (fp.ll & (HIDDEND_LL-1))
#define HIDDEND_LL ((UDItype_x)1 << 52)
typedef int DItype_x __attribute__ ((mode (DI)));
typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
typedef int SItype_x __attribute__ ((mode (SI)));
typedef unsigned int USItype_x __attribute__ ((mode (SI)));
union double_long {
double d;
struct {
SItype_x upper;
USItype_x lower;
} l;
UDItype_x ll;
};
static __inline__ void
fexceptdiv (float d, float e)
{
__asm__ __volatile__ ("debr %0,%1" : : "f" (d), "f" (e) );
}
UDItype_x __fixunsdfdi (double a1);
/* convert double to unsigned int */
UDItype_x
__fixunsdfdi (double a1)
{
register union double_long dl1;
register int exp;
register UDItype_x l;
dl1.d = a1;
/* +/- 0, denormalized */
if (!EXPD (dl1))
return 0;
/* Negative. */
if (SIGN (dl1))
{
/* Value is <= -1.0
C99 Annex F.4 requires an "invalid" exception to be thrown. */
if (EXPD (dl1) >= EXPONENT_BIAS)
fexceptdiv (0.0, 0.0);
return 0;
}
exp = EXPD (dl1) - EXPONENT_BIAS - MANTISSA_BITS;
/* number < 1 */
if (exp < -PRECISION)
return 0;
/* NaN */
if ((EXPD(dl1) == 0x7ff) && (FRACD_LL(dl1) != 0)) /* NaN */
{
/* C99 Annex F.4 requires an "invalid" exception to be thrown. */
fexceptdiv (0.0, 0.0);
return 0x0ULL;
}
/* Number big number & + inf */
if (exp >= 12)
{
/* C99 Annex F.4 requires an "invalid" exception to be thrown. */
fexceptdiv (0.0, 0.0);
return 0xFFFFFFFFFFFFFFFFULL;
}
l = MANTD_LL(dl1);
/* shift down until exp < 12 or l = 0 */
if (exp > 0)
l <<= exp;
else
l >>= -exp;
return l;
}
#endif /* !__s390x__ */
|
the_stack_data/242331581.c | #include <stdio.h> // printf, fscanf, ...
#include <stdlib.h> // malloc, EXIT_FAILURE
#include <string.h> // strcpy, strtok, strchr, ...
#include <stdarg.h> // va_*
/// Defines `byte` `hword`
typedef unsigned char byte;
typedef unsigned short hword;
/// Loop section
typedef struct LOOP_SECT {
int id;
char *seq;
} lp_t;
// Stores commandline arguments
int arg_filename_idx = 1;
// Global variables
#define SMW_INST_MAX 31
#define LOOP_ID_MAX 128
#define CMNT_LEN_MAX 256
#define LPSEC_MAXLEN 512
char nul_buf[CMNT_LEN_MAX] = {0};
int inst[SMW_INST_MAX] = {
80, 81, 9, 12, 42, 25, 56, 114, 32, 0,
118, 116, 44, 4, 36, 55, 46, 30, 73, };// Inst --> MIDI Inst
int lpbuf_mode = 0;
int lp_idx_curr = 0;
lp_t lpmem[LOOP_ID_MAX];
static void die(const char*);
void print(const char *str, ...);
int seek_opt(FILE *, int);
void cmdopt_parse(int, char**);
void read_data(FILE*);
int main (int argc, char** argv) {
// バッファのせいでバグってたんでは？？？？？？？？？？？？
setbuf(stdout, NULL);
setbuf(stderr, NULL);
// 使用法が間違っていたら…
if (argc < 2) {
char *errmsg = (char *)malloc(sizeof(char *));
sprintf(errmsg, "Usage: %s\tMML_FILE", argv[0]);
die(errmsg);
}
cmdopt_parse(argc, argv);
FILE *f = fopen(argv[arg_filename_idx], "r");
if (f == NULL) {
perror(argv[arg_filename_idx]);
exit(EXIT_FAILURE);
}
// ----- データ解析・変換・出力 ----- //
read_data(f);
return 0;
}
static void die(const char *errmsg) {
fprintf(stderr, "\n\n<!> %s\n", errmsg);
exit(EXIT_FAILURE);
}
/**
* @fn
* Returns a command argument.
* @param f ファイルポインタ
* @param ival 読み取り失敗時に返される値
* @return Value beside 'l' etc.
*/
int seek_opt(FILE *f, int ival) {
fscanf(f, "%d", &ival);
return ival;
}
/**
* @fn
* Parse command line option.
*/
void cmdopt_parse(int argc, char** argv){
for (int i=1; i<argc; i++) {
if(argv[i][0] == '-') { // Option command found
} else {
arg_filename_idx = i;
if (i >= argc) die("File name required.");
}
}
}
void print(const char *str, ...) {
va_list v;
va_start(v, str);
char s[5] = "";
for (const char *p = str; *p != '\0'; ++p) {
if (*p != '%') {
if (lpbuf_mode) {
sprintf(s, "%c", *p);
strcat(lpmem[lp_idx_curr].seq, s);
} else
putchar(*p);
} else {
switch(*(++p)) {
case 'd':
if (lpbuf_mode) {
sprintf(s, "%d", va_arg(v, int));
strcat(lpmem[lp_idx_curr].seq, s);
} else
printf("%d", va_arg(v, int));
break;
case 's':
if (lpbuf_mode) {
sprintf(s, "%s", va_arg(v, const char *));
strcat(lpmem[lp_idx_curr].seq, s);
} else
printf("%s", va_arg(v, const char *));
break;
case 'c':
if (lpbuf_mode) {
sprintf(s, "%c", va_arg(v, int));
strcat(lpmem[lp_idx_curr].seq, s);
} else
printf("%c", va_arg(v, int));
break;
}
}
}
va_end(v);
}
void read_data(FILE* f) {
for (short s=0; s<LOOP_ID_MAX; s++) {
lpmem[s].id = -1;
lpmem[s].seq = NULL;
}
// for (int chnl=0; chnl < 8; chnl++)
// {
// ----- パラメータ初期値指定 ----- //
char prev_note[3] = {0, 0, 0};
int lp_memflg = 0;
for (int c = fgetc(f); c != EOF; c = fgetc(f))
{
// Scans [a-gr] which requires length, dots, and accidentals option
if ( strchr("abcdefgr", c) )
{
print("%c", c);
prev_note[0] = c;
fpos_t *rescanPos = (fpos_t *) malloc(sizeof(fpos_t *));
int acci, len_n;
// Seeks accidentals (+, #, -)
fgetpos(f, rescanPos);
acci = fgetc(f);
if (strchr("+-", acci)) {
print("%c", acci);
prev_note[1] = acci;
} else {
fsetpos(f, rescanPos);
prev_note[1] = 0;
}
len_n = seek_opt(f, 0); // Seeks [a-g] length option
if(len_n)
print("%d", len_n);
// 付点の有無を調べる
acci = fgetc(f);
if (acci == '.') {
print("%c", acci);
// 複付点
acci = fgetc(f);
if (acci == '.')
print("%c", acci);
else
fsetpos(f, rescanPos);
}
else
fsetpos(f, rescanPos);
}
// `#` Channel or unsupported text
else if (c == '#') {
char ch = seek_opt(f, -1);
if (ch == -1) fgets(nul_buf, 0xff, f);
else print(";ch%d\n", ch + 1);
}
// `$` Unsupported
else if (c == '$') {
fgetc(f), fgetc(f);
}
// `q` Unsupported
else if (c == 'q') {
fgetc(f), fgetc(f);
}
// `y` Unsupported
else if (c == 'y') {
fgetc(f), fgetc(f);
}
// `v` Channel volume 0~255
else if (c == 'v') {
byte v = seek_opt(f, 127);
print("w%d", v >> 1);
}
// `o` Octave change
else if (c == 'o') {
byte o = seek_opt(f, 4);
print("o%d", o);
}
// `l` Length change
else if (c == 'l') {
byte l = seek_opt(f, 4);
print("l%d", l);
}
// `@` Inst. change
else if (c == '@') {
byte b = seek_opt(f, 0);
byte i = inst[b];
print("@%d", i);
}
// `t` Tempo setting 0~255
else if (c == 't') {
byte t = seek_opt(f, 120);
print("t%d", (t*625) >> 8);
}
// `^` Tie
else if (c == '^') {
byte l = seek_opt(f, 4);
print("&%s%d", prev_note, l);
}
// Spaces
else if ( strchr("\n", c) ) {
print("%c", c);
}
// "<>" Octave shift
else if ( strchr("<>", c) ) print("%c", c);
// Comments
else if (c == ';') {
fgets(nul_buf, 0xff, f);
}
// "[]" Loop Section
else if (c == '[') {
if (!lpbuf_mode) {
// 定義は必要ないが、'*'のために一時的に記憶する
lpmem[lp_idx_curr].id = -1; // 区間IDを記憶
lpmem[lp_idx_curr].seq = (char *)malloc(sizeof(char) * LPSEC_MAXLEN);
lpmem[lp_idx_curr].seq[0] = 0;
lpbuf_mode = 1;
}
}
else if (c == ']') {
lpbuf_mode=0;
print("[%s]%d", lpmem[lp_idx_curr].seq, seek_opt(f, 1));
}
// "()" Loop
else if (c == '(') {
// (n) のnの値を調べる
int id = seek_opt(f, 0);
for (int i=0; i < LOOP_ID_MAX; i++) {
if(lpmem[i].seq == NULL) {
// 初出のIDに対して、新たなバッファを確保
lp_idx_curr = i; // 配列のインデックスを記憶
lpmem[i].id = id; // 区間IDを記憶
lpmem[i].seq = (char *)malloc(sizeof(char) * LPSEC_MAXLEN);
lpmem[i].seq[0] = 0;
break;
} else if (id == lpmem[i].id) {
// IDが登録されていれば、その配列インデックスをセット
lp_idx_curr = i;
break;
}
}
// fprintf(stderr, "\nid = %d\tindex = %d\n", id, lp_idx_curr);
}
else if (c == ')') {
fpos_t *rescanPos = (fpos_t *)malloc(sizeof(fpos_t));
fgetpos(f, rescanPos);
int lphd = fgetc(f);
fsetpos(f, rescanPos);
// Does a loop section [...] follow?
if (lphd != '[') {
// (n) は呼び出し
lpbuf_mode=0;
print("[%s]%d", lpmem[lp_idx_curr].seq, seek_opt(f, 1));
} else {
// (n)[...] で定義が始まる. バッファに記憶するフラグをセット
lpbuf_mode=1;
}
}
// '*' Loop
else if (c == '*') {
// 直前のループ、すなわち今指し示されているインデックスのループを出力すれば良い。
print("[%s]%d", lpmem[lp_idx_curr].seq, seek_opt(f, 1));
}
}
// }
fclose(f);
putchar('\n');
}
|
the_stack_data/1018875.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> SPBSV computes the solution to system of linear equations A * X = B for OTHER matrices</b> */
/* =========== DOCUMENTATION =========== */
/* Online html documentation available at */
/* http://www.netlib.org/lapack/explore-html/ */
/* > \htmlonly */
/* > Download SPBSV + dependencies */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/spbsv.f
"> */
/* > [TGZ]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/spbsv.f
"> */
/* > [ZIP]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/spbsv.f
"> */
/* > [TXT]</a> */
/* > \endhtmlonly */
/* Definition: */
/* =========== */
/* SUBROUTINE SPBSV( UPLO, N, KD, NRHS, AB, LDAB, B, LDB, INFO ) */
/* CHARACTER UPLO */
/* INTEGER INFO, KD, LDAB, LDB, N, NRHS */
/* REAL AB( LDAB, * ), B( LDB, * ) */
/* > \par Purpose: */
/* ============= */
/* > */
/* > \verbatim */
/* > */
/* > SPBSV computes the solution to a real system of linear equations */
/* > A * X = B, */
/* > where A is an N-by-N symmetric positive definite band matrix and X */
/* > and B are N-by-NRHS matrices. */
/* > */
/* > The Cholesky decomposition is used to factor A as */
/* > A = U**T * U, if UPLO = 'U', or */
/* > A = L * L**T, if UPLO = 'L', */
/* > where U is an upper triangular band matrix, and L is a lower */
/* > triangular band matrix, with the same number of superdiagonals or */
/* > subdiagonals as A. The factored form of A is then used to solve the */
/* > system of equations A * X = B. */
/* > \endverbatim */
/* Arguments: */
/* ========== */
/* > \param[in] UPLO */
/* > \verbatim */
/* > UPLO is CHARACTER*1 */
/* > = 'U': Upper triangle of A is stored; */
/* > = 'L': Lower triangle of A is stored. */
/* > \endverbatim */
/* > */
/* > \param[in] N */
/* > \verbatim */
/* > N is INTEGER */
/* > The number of linear equations, i.e., the order of the */
/* > matrix A. N >= 0. */
/* > \endverbatim */
/* > */
/* > \param[in] KD */
/* > \verbatim */
/* > KD is INTEGER */
/* > The number of superdiagonals of the matrix A if UPLO = 'U', */
/* > or the number of subdiagonals if UPLO = 'L'. KD >= 0. */
/* > \endverbatim */
/* > */
/* > \param[in] NRHS */
/* > \verbatim */
/* > NRHS is INTEGER */
/* > The number of right hand sides, i.e., the number of columns */
/* > of the matrix B. NRHS >= 0. */
/* > \endverbatim */
/* > */
/* > \param[in,out] AB */
/* > \verbatim */
/* > AB is REAL array, dimension (LDAB,N) */
/* > On entry, the upper or lower triangle of the symmetric band */
/* > matrix A, stored in the first KD+1 rows of the array. The */
/* > j-th column of A is stored in the j-th column of the array AB */
/* > as follows: */
/* > if UPLO = 'U', AB(KD+1+i-j,j) = A(i,j) for f2cmax(1,j-KD)<=i<=j; */
/* > if UPLO = 'L', AB(1+i-j,j) = A(i,j) for j<=i<=f2cmin(N,j+KD). */
/* > See below for further details. */
/* > */
/* > On exit, if INFO = 0, the triangular factor U or L from the */
/* > Cholesky factorization A = U**T*U or A = L*L**T of the band */
/* > matrix A, in the same storage format as A. */
/* > \endverbatim */
/* > */
/* > \param[in] LDAB */
/* > \verbatim */
/* > LDAB is INTEGER */
/* > The leading dimension of the array AB. LDAB >= KD+1. */
/* > \endverbatim */
/* > */
/* > \param[in,out] B */
/* > \verbatim */
/* > B is REAL array, dimension (LDB,NRHS) */
/* > On entry, the N-by-NRHS right hand side matrix B. */
/* > On exit, if INFO = 0, the N-by-NRHS solution matrix X. */
/* > \endverbatim */
/* > */
/* > \param[in] LDB */
/* > \verbatim */
/* > LDB is INTEGER */
/* > The leading dimension of the array B. LDB >= f2cmax(1,N). */
/* > \endverbatim */
/* > */
/* > \param[out] INFO */
/* > \verbatim */
/* > INFO is INTEGER */
/* > = 0: successful exit */
/* > < 0: if INFO = -i, the i-th argument had an illegal value */
/* > > 0: if INFO = i, the leading minor of order i of A is not */
/* > positive definite, so the factorization could not be */
/* > completed, and the solution has not been computed. */
/* > \endverbatim */
/* Authors: */
/* ======== */
/* > \author Univ. of Tennessee */
/* > \author Univ. of California Berkeley */
/* > \author Univ. of Colorado Denver */
/* > \author NAG Ltd. */
/* > \date December 2016 */
/* > \ingroup realOTHERsolve */
/* > \par Further Details: */
/* ===================== */
/* > */
/* > \verbatim */
/* > */
/* > The band storage scheme is illustrated by the following example, when */
/* > N = 6, KD = 2, and UPLO = 'U': */
/* > */
/* > On entry: On exit: */
/* > */
/* > * * a13 a24 a35 a46 * * u13 u24 u35 u46 */
/* > * a12 a23 a34 a45 a56 * u12 u23 u34 u45 u56 */
/* > a11 a22 a33 a44 a55 a66 u11 u22 u33 u44 u55 u66 */
/* > */
/* > Similarly, if UPLO = 'L' the format of A is as follows: */
/* > */
/* > On entry: On exit: */
/* > */
/* > a11 a22 a33 a44 a55 a66 l11 l22 l33 l44 l55 l66 */
/* > a21 a32 a43 a54 a65 * l21 l32 l43 l54 l65 * */
/* > a31 a42 a53 a64 * * l31 l42 l53 l64 * * */
/* > */
/* > Array elements marked * are not used by the routine. */
/* > \endverbatim */
/* > */
/* ===================================================================== */
/* Subroutine */ int spbsv_(char *uplo, integer *n, integer *kd, integer *
nrhs, real *ab, integer *ldab, real *b, integer *ldb, integer *info)
{
/* System generated locals */
integer ab_dim1, ab_offset, b_dim1, b_offset, i__1;
/* Local variables */
extern logical lsame_(char *, char *);
extern /* Subroutine */ int xerbla_(char *, integer *, ftnlen), spbtrf_(
char *, integer *, integer *, real *, integer *, integer *), spbtrs_(char *, integer *, integer *, integer *, real *,
integer *, real *, integer *, integer *);
/* -- LAPACK driver 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 */
/* ===================================================================== */
/* Test the input parameters. */
/* Parameter adjustments */
ab_dim1 = *ldab;
ab_offset = 1 + ab_dim1 * 1;
ab -= ab_offset;
b_dim1 = *ldb;
b_offset = 1 + b_dim1 * 1;
b -= b_offset;
/* Function Body */
*info = 0;
if (! lsame_(uplo, "U") && ! lsame_(uplo, "L")) {
*info = -1;
} else if (*n < 0) {
*info = -2;
} else if (*kd < 0) {
*info = -3;
} else if (*nrhs < 0) {
*info = -4;
} else if (*ldab < *kd + 1) {
*info = -6;
} else if (*ldb < f2cmax(1,*n)) {
*info = -8;
}
if (*info != 0) {
i__1 = -(*info);
xerbla_("SPBSV ", &i__1, (ftnlen)5);
return 0;
}
/* Compute the Cholesky factorization A = U**T*U or A = L*L**T. */
spbtrf_(uplo, n, kd, &ab[ab_offset], ldab, info);
if (*info == 0) {
/* Solve the system A*X = B, overwriting B with X. */
spbtrs_(uplo, n, kd, nrhs, &ab[ab_offset], ldab, &b[b_offset], ldb,
info);
}
return 0;
/* End of SPBSV */
} /* spbsv_ */
|
the_stack_data/32949326.c | /*
* module 4
* problem 11
*
* Ask the montly total sales of a store and show the following:
*
* - `The Month with more sales`
* - `The Month with less sales`
* - `Total sales during the year`
* - `Year sales average`
*/
/* imported libraries */
#include <stdio.h>
#include <stdlib.h>
char meses[12][12] = {"Enero", "Febrero", "Marzo", "Abril", "Mayo", "Junio", "Julio", "Agosto", "Septiembre", "Octubre", "Noviembre", "Diciembre"};
void poss(int *mes, float *vntas)
{
int x, z, ram = 0;
for (x = 0; x < 12; x++)
{
while (1)
{
printf("\n Ingrese El Numero Del Mes (1 a 12)\n > ");
scanf("%d", &ram);
/* remove \n */
getchar();
if (ram < 1 || ram > 12)
{
printf("\n El Mes Ingresado No Existe!\n");
}
else
{
for (z = 0; z < 12; z++)
{
if (ram == mes[z])
{
printf("\n ERROR: %s Ya Fue Leido!\n", meses[ram - 1]);
z = 0;
break;
}
}
}
if (z == 12)
{
break;
}
}
mes[ram - 1] = ram;
printf("\n Ventas %s: $", meses[ram - 1]);
scanf("%f", &vntas[ram - 1]);
/* remove \n */
getchar();
}
}
float odar(float vtol, int *mes, float *vntas)
{
int x, nmay = 0, nmen = 0;
for (x = 0; x < 12; x++)
{
if (x > 0 && vntas[x - 1] < vntas[x])
{
nmay = mes[x] - 1;
}
else if (x == 0)
{
nmay = mes[x] - 1;
}
if (x > 0 && vntas[x - 1] > vntas[x])
{
nmen = mes[x] - 1;
}
else if (x == 0)
{
nmen = mes[x] - 1;
}
vtol += vntas[x];
printf("\n Mes %d, Ventas %.2f", mes[x], vntas[x]);
}
printf("\n\n Mes Con Mayor Ingreso: %s -- $%.2f\n Mes Con Menor Ingreso: %s -- $%.2f", meses[nmay], vntas[nmay], meses[nmen], vntas[nmen]);
return vtol;
}
/* entry point */
int main(int argc, char *argv[])
{
int con = 0, mes[12], x;
float vtol, vntas[12];
do
{
vtol = 0;
for (x = 0; x < 12; x++)
{
mes[x] = 0;
vntas[x] = 0;
}
poss(mes, vntas);
vtol = odar(vtol, mes, vntas);
printf("\n Promedio De Ventas Mensuales: $%.2f\n Total De Ventas Anual: $%.2f", vtol / 12, vtol);
printf("\n\n\n *****SALIR DEL PROGRAMA? s/n*****\n >");
con = getchar();
/* remove \n */
getchar();
} while (con != 's' && con != 'S');
return 0;
}
/*
* Enrique Shunnar
* Lic. En Ingenieria De Sistemas Computacionales
* Grupo 9IL112
* Panama
*/ |
the_stack_data/646814.c | /***
*mbsicoll.c - Collate MBCS strings, ignoring case
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
*Purpose:
* Collate MBCS strings, ignoring case
*
*******************************************************************************/
#ifdef _MBCS
#include <awint.h>
#include <mtdll.h>
#include <cruntime.h>
#include <internal.h>
#include <mbdata.h>
#include <mbctype.h>
#include <mbstring.h>
#include <locale.h>
#include <setlocal.h>
/***
* _mbsicoll - Collate MBCS strings, ignoring case
*
*Purpose:
* Collates two strings for lexical order. Strings
* are collated on a character basis, not a byte basis.
*
*Entry:
* char *s1, *s2 = strings to collate
*
*Exit:
* Returns <0 if s1 < s2
* Returns 0 if s1 == s2
* Returns >0 if s1 > s2
* Returns _NLSCMPERROR is something went wrong
*
*Exceptions:
* Input parameters are validated. Refer to the validation section of the function.
*
*******************************************************************************/
extern "C" int __cdecl _mbsicoll_l(
const unsigned char *s1,
const unsigned char *s2,
_locale_t plocinfo
)
{
int ret;
_LocaleUpdate _loc_update(plocinfo);
/* validation section */
_VALIDATE_RETURN(s1 != NULL, EINVAL, _NLSCMPERROR);
_VALIDATE_RETURN(s2 != NULL, EINVAL, _NLSCMPERROR);
if (_loc_update.GetLocaleT()->mbcinfo->ismbcodepage == 0)
return _stricoll_l((const char *)s1, (const char *)s2, plocinfo);
if ( 0 == (ret = __crtCompareStringA(
_loc_update.GetLocaleT(),
_loc_update.GetLocaleT()->mbcinfo->mblcid,
SORT_STRINGSORT | NORM_IGNORECASE,
(LPCSTR)s1,
-1,
(LPSTR)s2,
-1,
_loc_update.GetLocaleT()->mbcinfo->mbcodepage )) )
{
errno = EINVAL;
return _NLSCMPERROR;
}
return ret - 2;
}
extern "C" int (__cdecl _mbsicoll)(
const unsigned char *s1,
const unsigned char *s2
)
{
return _mbsicoll_l(s1, s2, NULL);
}
#endif /* _MBCS */
|
the_stack_data/107193.c | #include <stdio.h>
#include <stdlib.h>
#define require(X,Y) { if(!(X)) { fprintf(stderr,"%s\n",Y); exit(-1); } }
void readline()
{
while(getchar()!='\n')
;
}
int main()
{
int i,j,tcase,T,N,M,res;
int a[101][101],maxRow[101],maxCol[101];
scanf("%d",&T);
for(tcase=1;tcase<=T;tcase++)
{
scanf("%d",&N);
scanf("%d",&M);
res=1;
for(i=0;i<N;i++)
{
maxRow[i]=0;
for(j=0;j<M;j++)
{
scanf("%d",&(a[i][j]));
if(maxRow[i]<a[i][j])
maxRow[i]=a[i][j];
}
}
for(j=0;j<M;j++)
{
maxCol[j]=0;
for(i=0;i<N;i++)
if(maxCol[j]<a[i][j])
maxCol[j]=a[i][j];
}
for(i=0;i<N && res;i++)
for(j=0;j<M;j++)
if(a[i][j]<maxRow[i] && a[i][j]<maxCol[j])
{
res=0;
break;
}
printf("Case #%d: %s\n",tcase,res?"YES":"NO");
}
return 0;
}
|
the_stack_data/28364.c | #include <stdio.h>
int main() { printf("%ld", sizeof(void)); }
|
the_stack_data/48576340.c | #include <stdio.h>
int main(int argc, char *argv[]){
int distance = 100;
float power = 2.345f;
double super_power = 56789.4532;
char initial = 'A';
//Strings are a array of chars
char first_name[] = "Zed";
char last_name[] = "Shaw";
printf("You are %d miles away.\n", distance);
printf("You have %f leves of power.\n", power);
printf("You have %f awesome super powers.\n", super_power);
printf("You have an initial %c.\n", initial);
printf("I have a first name %s.\n", first_name);
printf("I have a last name %s.\n", last_name);
printf("My whole name is %s %c %s.\n",
first_name, initial, last_name);
return 0;
}
|
the_stack_data/184518161.c | /* openvas-scanner/nasl
* $Id$
* Description: Implementation of an API for SNMP used by NASL scripts.
*
* Authors:
* Hani Benhabiles <[email protected]>
*
* Copyright:
* Copyright (C) 2014-2015 Greenbone Networks GmbH
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_NETSNMP
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <gvm/base/logging.h>
#include "../misc/plugutils.h"
#include <assert.h>
#include "nasl_lex_ctxt.h"
/*
* @brief SNMP Get query value.
*
* param[in] session SNMP session.
* param[in] oid_str OID string.
* param[out] result Result of query.
*
* @return 0 if success and result value, -1 otherwise.
*/
static int
snmp_get (struct snmp_session *session, const char *oid_str, char **result)
{
struct snmp_session *ss;
struct snmp_pdu *query, *response;
oid oid_buf[MAX_OID_LEN];
size_t oid_size = MAX_OID_LEN;
int status;
ss = snmp_open (session);
if (!ss)
{
snmp_error (session, &status, &status, result);
return -1;
}
query = snmp_pdu_create (SNMP_MSG_GET);
read_objid (oid_str, oid_buf, &oid_size);
snmp_add_null_var (query, oid_buf, oid_size);
status = snmp_synch_response (ss, query, &response);
if (status != STAT_SUCCESS)
{
snmp_error (ss, &status, &status, result);
snmp_close (ss);
return -1;
}
snmp_close (ss);
if (response->errstat == SNMP_ERR_NOERROR)
{
struct variable_list *vars = response->variables;
size_t res_len = 0, buf_len = 0;
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_QUICK_PRINT, 1);
sprint_realloc_value ((u_char **) result, &buf_len, &res_len, 1,
vars->name, vars->name_length, vars);
snmp_free_pdu (response);
return 0;
}
*result = g_strdup (snmp_errstring (response->errstat));
snmp_free_pdu (response);
return -1;
}
/*
* @brief SNMPv3 Get query value.
*
* param[in] peername Target host in [protocol:]address[:port] format.
* param[in] username Username value.
* param[in] authpass Authentication password.
* param[in] authproto Authentication protocol. 0 for md5, 1 for sha1.
* param[in] privpass Privacy password.
* param[in] privproto Privacy protocol. 0 for des, 1 for aes.
* param[in] oid_str OID of value to get.
* param[out] result Result of query.
*
* @return 0 if success and result value, -1 otherwise.
*/
static int
snmpv3_get (const char *peername, const char *username, const char *authpass,
int authproto, const char *privpass, int privproto,
const char *oid_str, char **result)
{
struct snmp_session session;
assert (peername);
assert (username);
assert (authpass);
assert (authproto == 0 || authproto == 1);
assert (oid_str);
assert (result);
setenv ("MIBS", "", 1);
init_snmp ("openvas");
snmp_sess_init (&session);
session.version = SNMP_VERSION_3;
session.peername = (char *) peername;
session.securityName = (char *) username;
session.securityNameLen = strlen (session.securityName);
if (privpass)
session.securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
else
session.securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
if (authproto == 0)
{
session.securityAuthProto = usmHMACMD5AuthProtocol;
session.securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
}
else
{
session.securityAuthProto = usmHMACSHA1AuthProtocol;
session.securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
}
session.securityAuthKeyLen = USM_AUTH_KU_LEN;
if (generate_Ku(session.securityAuthProto, session.securityAuthProtoLen,
(u_char *) authpass, strlen (authpass),
session.securityAuthKey, &session.securityAuthKeyLen)
!= SNMPERR_SUCCESS)
{
*result = g_strdup ("generate_Ku: Error");
return -1;
}
if (privpass)
{
if (privproto)
{
session.securityPrivProto = usmAESPrivProtocol;
session.securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
}
else
{
session.securityPrivProto = usmDESPrivProtocol;
session.securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
}
session.securityPrivKeyLen = USM_PRIV_KU_LEN;
if (generate_Ku
(session.securityAuthProto, session.securityAuthProtoLen,
(unsigned char *) privpass, strlen(privpass),
session.securityPrivKey, &session.securityPrivKeyLen)
!= SNMPERR_SUCCESS)
{
*result = g_strdup ("generate_Ku: Error");
return -1;
}
}
return snmp_get (&session, oid_str, result);
}
/*
* @brief SNMP v1 or v2c Get query value.
*
* param[in] peername Target host in [protocol:]address[:port] format.
* param[in] community SNMP community string.
* param[in] oid_str OID string of value to get.
* param[in] version SNMP_VERSION_1 or SNMP_VERSION_2c.
* param[out] result Result of query.
*
* @return 0 if success and result value, -1 otherwise.
*/
static int
snmpv1v2c_get (const char *peername, const char *community, const char *oid_str,
int version, char **result)
{
struct snmp_session session;
assert (peername);
assert (community);
assert (oid_str);
assert (version == SNMP_VERSION_1 || version == SNMP_VERSION_2c);
setenv ("MIBS", "", 1);
snmp_sess_init (&session);
session.version = version;
session.peername = (char *) peername;
session.community = (u_char *) community;
session.community_len = strlen (community);
return snmp_get (&session, oid_str, result);
}
/*
* @brief Check that protocol value is valid.
*
* param[in] proto Protocol string.
*
* @return 1 if proto is udp, udp6, tcp or tcp6. 0 otherwise.
*/
static int
proto_is_valid (const char *proto)
{
if (strcmp (proto, "tcp") && strcmp (proto, "udp") && strcmp (proto, "tcp6")
&& strcmp (proto, "udp6"))
return 0;
return 1;
}
/*
* @brief Create a NASL array from a snmp result.
*
* param[in] ret Return value.
* param[in] result Result string.
*
* @return NASL array.
*/
static tree_cell *
array_from_snmp_result (int ret, char *result)
{
anon_nasl_var v;
assert (result);
tree_cell *retc = alloc_typed_cell (DYN_ARRAY);
retc->x.ref_val = g_malloc0 (sizeof (nasl_array));
/* Return code */
memset (&v, 0, sizeof (v));
v.var_type = VAR2_INT;
v.v.v_int = ret;
add_var_to_list (retc->x.ref_val, 0, &v);
/* Return value */
memset (&v, 0, sizeof v);
v.var_type = VAR2_STRING;
v.v.v_str.s_val = (unsigned char *) result;
v.v.v_str.s_siz = strlen (result);
add_var_to_list (retc->x.ref_val, 1, &v);
return retc;
}
tree_cell *
nasl_snmpv1v2c_get (lex_ctxt *lexic, int version)
{
const char *proto, *community, *oid_str;
char *result = NULL, peername[2048];
int port, ret;
port = get_int_var_by_name (lexic, "port", -1);
proto = get_str_var_by_name (lexic, "protocol");
community = get_str_var_by_name (lexic, "community");
oid_str = get_str_var_by_name (lexic, "oid");
if (!proto || !community || !oid_str)
return array_from_snmp_result (-2, "Missing function argument");
if (port < 0 || port > 65535)
return array_from_snmp_result (-2, "Invalid port value");
if (!proto_is_valid (proto))
return array_from_snmp_result (-2, "Invalid protocol value");
g_snprintf (peername, sizeof (peername), "%s:%s:%d", proto,
plug_get_host_ip_str (lexic->script_infos), port);
ret = snmpv1v2c_get (peername, community, oid_str, version, &result);
return array_from_snmp_result (ret, result);
}
tree_cell *
nasl_snmpv1_get (lex_ctxt *lexic)
{
return nasl_snmpv1v2c_get (lexic, SNMP_VERSION_1);
}
tree_cell *
nasl_snmpv2c_get (lex_ctxt *lexic)
{
return nasl_snmpv1v2c_get (lexic, SNMP_VERSION_2c);
}
tree_cell *
nasl_snmpv3_get (lex_ctxt *lexic)
{
const char *proto, *username, *authpass, *authproto, *oid_str;
const char *privpass, *privproto;
char *result = NULL, peername[2048];
int port, ret, aproto, pproto = 0;
port = get_int_var_by_name (lexic, "port", -1);
proto = get_str_var_by_name (lexic, "protocol");
username = get_str_var_by_name (lexic, "username");
authpass = get_str_var_by_name (lexic, "authpass");
oid_str = get_str_var_by_name (lexic, "oid");
authproto = get_str_var_by_name (lexic, "authproto");
privpass = get_str_var_by_name (lexic, "privpass");
privproto = get_str_var_by_name (lexic, "privproto");
if (!proto || !username || !authpass || !oid_str || !authproto)
return array_from_snmp_result (-2, "Missing function argument");
if (port < 0 || port > 65535)
return array_from_snmp_result (-2, "Invalid port value");
if (!proto_is_valid (proto))
return array_from_snmp_result (-2, "Invalid protocol value");
if ((privpass && !privproto) || (!privpass && privproto))
return array_from_snmp_result (-2, "Missing privproto or privpass");
if (!strcasecmp (authproto, "md5"))
aproto = 0;
else if (!strcasecmp (authproto, "sha1"))
aproto = 1;
else
return array_from_snmp_result (-2, "authproto should be md5 or sha1");
if (privproto)
{
if (!strcasecmp (privproto, "des"))
pproto = 0;
else if (!strcasecmp (privproto, "aes"))
pproto = 1;
else
return array_from_snmp_result (-2, "privproto should be des or aes");
}
g_snprintf (peername, sizeof (peername), "%s:%s:%d", proto,
plug_get_host_ip_str (lexic->script_infos), port);
ret = snmpv3_get (peername, username, authpass, aproto, privpass, pproto,
oid_str, &result);
return array_from_snmp_result (ret, result);
}
#endif /* HAVE_NETSNMP */
|
the_stack_data/90766043.c | /*P6.3 Program to find the sum of two numbers*/
#include<stdio.h>
int sum(int x,int y); /*Function declaration*/
int main(void)
{
int a,b,s;
printf("Enter values for a and b : ");
scanf("%d%d",&a,&b);
s=sum(a,b); /*Function call*/
printf("Sum of %d and %d is %d\n",a,b,s);
return 0;
}
int sum(int x,int y) /*Function definition*/
{
int s;
s=x+y;
return s;
} |
the_stack_data/31388216.c | /* $FreeBSD: releng/11.0/sys/boot/usb/bsd_usbloader_test.c 298647 2016-04-26 15:33:53Z hselasky $ */
/*-
* Copyright (c) 2013 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <time.h>
extern int usleep(int);
extern void callout_process(int);
extern void usb_idle(void);
extern void usb_init(void);
extern void usb_uninit(void);
#define hz 1000
#ifdef HAVE_MALLOC
void *
usb_malloc(size_t size)
{
return (malloc(size));
}
void
usb_free(void *ptr)
{
free(ptr);
}
#endif
void
DELAY(unsigned int delay)
{
usleep(delay);
}
void
delay(unsigned int delay)
{
usleep(delay);
}
int
pause(const char *what, int timeout)
{
if (timeout == 0)
timeout = 1;
usleep((1000000 / hz) * timeout);
return (0);
}
int
main(int argc, char **argv)
{
uint32_t time;
usb_init();
time = 0;
while (1) {
usb_idle();
usleep(1000);
if (++time >= (1000 / hz)) {
time = 0;
callout_process(1);
}
}
usb_uninit();
return (0);
}
|
the_stack_data/25139076.c | // RUN: %check -e %s
__attribute((visibility("hidden")))
void f(); // CHECK: note: previous declaration here (hidden)
__attribute((visibility("default")))
void f() // CHECK: error: visibility of "f" (default) does not match previous declaration
{
}
int g()
{
f();
return 3;
}
|
the_stack_data/40926.c | #include <stdio.h>
#include <stdlib.h>
////////////////////////////////////////////////////////////////////
#define MAX_BITS 32
short int multipicand, multiplier; //16 bit inputs
int result = 0; //32 output
/////////////////////////////////////////////////////////////////////
int FindDigit (int n,int i){ //finding the n`th digit of a number in base 2
return (n & (1<<i-1))>>(i-1);
}
void BitByBitPrinter(int n){ //printing a number bit by bit
for (int i = MAX_BITS; i != 0; i--){
printf("%d", FindDigit(n,i));
}
printf("\n");
}
int BitRangeAdder(int a, int b, int max, int min){ // adds b to a in the choosen bit range
for (int i = max; i != min; i--){
a = a | (FindDigit(b,i)<<(i-1));
}
return a;
}
void BitRangePrinter(int n, int max, int min){ // prints out bits of given number in the wanted range
for (int i = max; i != min; i--){
printf("%d", FindDigit(n,i));
}
}
void StepPrinter(int step, int q1q0){ // prints out steps
printf("%d\t", step);
BitRangePrinter(result, MAX_BITS-1, MAX_BITS/2);
printf(" ");
BitRangePrinter(result, MAX_BITS/2, 0);
printf(" ");
BitRangePrinter(q1q0, 2, 0);
}
int TwosCompliment(int n){ // Two`s complimenting a number
return ~n+1;
}
void booth(short multipicand, short multiplier){ // booth algorithm implimentation
result = BitRangeAdder(result, multiplier, MAX_BITS/2, 0);
short q1q0 = 0;
q1q0 = ((multiplier & 1) << 1) | 0;
printf("n\tA\t\t Q\t\t q1q0\tAction\n");
for (short i = MAX_BITS/2; i != 0; i--){
StepPrinter(i, q1q0);
switch (q1q0){
case 1:
result = result + (multipicand<<16) ;
printf("\t\tA = A + M then ASR\n");
break;
case 2:
result = result + (TwosCompliment(multipicand)<<16) ;
printf("\t\tA = A - M then ASR\n");
break;
default:
printf("\t\tArithmatic shift right\n");
break;
}
q1q0 = q1q0 >> 1;
q1q0 = q1q0 | ( result & 2 );
result = result>>1;
}
StepPrinter(0, q1q0);
printf("\n\nSo, The Product is: %d\n Which its binary equivalent is : ", result);
BitByBitPrinter(result);
result = 0;
}
////////////////////////////////////////////////////////////////////
void main(){
printf("\t<<\tBOOTH'S MULTIPLICATION ALGORITHM\t>>\n");
int Q = 1;
while (Q){
do{ //getting two numbers in range of -32,767 to 32,767
printf("\nEnter two numbers to multiply, which both must be in range of -32,767 to 32,767 ");
printf("\n");
printf("\nEnter multipicand: ");
scanf("%d",&multipicand);
printf("Enter multiplier: ");
scanf("%d", &multiplier);
}while(abs(multipicand) >>15 | abs(multiplier) >>15);
booth(multipicand, multiplier);
printf("\n\n\n##############\n\n\nDo you want to continue?(1/0) ");
//Q = getchar();
scanf("%d",&Q);
}
//getchar();
}
|
the_stack_data/93888851.c | //Write a menu-driven program for finding roots of a nonlinear equation using Bisection, Regula Falsi and Newton-Raphson method.
//let function be f(x)=x^3 -4x -9
#include <stdio.h>
#include <math.h>
#define EPSILON 0.001
// function value generator
float func(float x)
{
return x*x*x - 4*x - 9;
}
// function derivative value generator
float deriFunc(float x)
{
return 3*x*x - 4 ;
}
// Bisection method yeilding root of func(x) with error of EPSILON
void bisection(float a, float b)
{
if (func(a) * func(b) >= 0)
{
printf("You have not assumed right a and b\n");
return;
}
float c = a;
while ((b-a) >= EPSILON)
{
// Find middle point
c = (a+b)/2;
// Check if middle point is root
if (func(c) == 0.0)
break;
// Decide the side to repeat the steps
else if (func(c)*func(a) < 0)
b = c;
else
a = c;
}
printf("The value of root is : %f",c);
}
//regular falsi methode yielding roots with efficiency of EPLSILON
void regFa(float a, float b)
{
if(func(a)*func(b) >=0)
printf("You have not entered the right values of a and b\n");
//checking if a & b have right values
float c = a; //initailize the result
while((b-a)>=EPSILON)
{
//Find the point that touches with x- axis
c = (a*func(b) - b*func(a))/ (func(b) - func(a));
//checking if that point is the the root
if(func(c)==0.0)
break;
// deciding which side to repeat
else if (func(c)*func(a)<0)
b=c;
else
a=c;
}
printf("The value of the root is : %f",c);
}
//newton rapson methode
void newtonRapson(float x)
{
float h= func(x)/deriFunc(x);
float abs_h=0.0;
abs_h= h>0? h:-h;
while(abs_h>EPSILON)
{
x=x-h;
h=func(x)/deriFunc(x);
}
printf("The value of the root is : %f",x);
}
void main()
{
printf("Enter the choice of method to find the roots of f(x)=x^3 -4x -9 \n");
printf("1. Bisection Method\n 2. Regular Falsi Method\n 3. Newton Rapson Method\n");
int n=0;
float a1,b1,a2,b2,a3;
scanf("%d",&n);
switch(n)
{
case 1:
a1=-200.0;
b1=300.0;
bisection(a1,b1);
break;
case 2 :
a2=-200.0;
b2=300.0;
regFa(a2,b2);
break;
case 3:
a3=-20;
newtonRapson(a3);
break;
default:
printf("Wrong Choice! \n");
}
}
|
the_stack_data/7950228.c | const char net_hns3_vf_pmd_info[] __attribute__((used)) = "PMD_INFO_STRING= {\"name\" : \"net_hns3_vf\", \"kmod\" : \"* igb_uio | vfio-pci\", \"pci_ids\" : [[6629, 41518, 65535, 65535],[6629, 41519, 65535, 65535] ]}";
|
the_stack_data/129364.c | #include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
typedef struct Dados{
char acao[8];
char path[1024];
int pidC;
}*dados;
int main(int argc, char*argv[]){
dados dadosCliente;
int i,n,fd,fSha1sum,pidCliente;
char *ap,*antap,linha[1024],linha2[1024],pathSha1sum[1024];
dadosCliente=(dados) malloc(sizeof (struct Dados));
i=mkdir("/home/goncalopereira96/backup/",0777);if(i==-1)perror("mkdir");
i=mkdir("/home/goncalopereira96/backup/data",0777);if(i==-1)perror("mkdir");
i=mkdir("/home/goncalopereira96/backup/metadata",0777);if(i==-1)perror("mkdir");
i=mkfifo("/home/goncalopereira96/backup/fifo",0666);
if(i==-1) perror("mkfifo");
fd = open("/home/goncalopereira96/backup/fifo",O_RDONLY);
while((n=read(fd,dadosCliente,sizeof(struct Dados)))>0){
if((strcmp((dadosCliente->acao),"backup"))==0){
pidCliente=dadosCliente->pidC;
strcpy(linha,dadosCliente->path);
ap=strtok(linha,"/");
while(ap!=NULL){
antap=ap;
ap=strtok(NULL,"/");
}
strcpy(linha,"/home/goncalopereira96/backup/data/");
strcat(linha,antap);
if(fork()==0){
execlp("cp","cp",dadosCliente->path,linha,NULL);
perror("cp");
kill(pidCliente,SIGUSR2);
free(dadosCliente);
return 1;
}
wait(NULL);
if(fork()==0){
char sha1[512];
strcpy(sha1,"/home/goncalopereira96/backup/data/");
strcat(sha1,antap);
strcat(sha1,".sha1");
execlp("sha1sum","sha1sum",linha,">",sha1,NULL);
perror("sha1sum");
return 1;
}
wait(NULL);
strcpy(pathSha1sum,"/home/goncalopereira96/backup/data/");
strcat(pathSha1sum,antap);
strcat(pathSha1sum,".sha1");
fSha1sum = open(pathSha1sum,O_RDONLY);
read(fSha1sum,linha2,40);
/*if(fork()==0){
execlp("rm","rm",pathSha1sum,NULL);
perror("rm");
return 1;
}
wait(NULL);*/
if(fork()==0){
execlp("gzip","gzip",linha,NULL);
perror("gzip");
return 1;
}
wait(NULL);
if(fork()==0){
execlp("mv","mv",linha,linha2,NULL);
perror("mv");
return 1;
}
wait(NULL);
kill(pidCliente,SIGUSR1);
}else{
pidCliente=dadosCliente->pidC;
strcpy(linha,dadosCliente->path);
ap=strtok(linha,"/");
while(ap!=NULL){
antap=ap;
ap=strtok(NULL,"/");
}
strcpy(linha,"/home/goncalopereira96/backup/");
strcat(linha,antap);
if(fork()==0){
execlp("cp","cp",linha,dadosCliente->path,NULL);
perror("cp");
kill(pidCliente,SIGUSR2);
free(dadosCliente);
return 1;
}
wait(NULL);
kill(pidCliente,SIGUSR1);
}
close(fd);
fd = open("/home/goncalopereira96/backup/fifo",O_RDONLY);
}
close (fd);
free(dadosCliente);
return 0;
}
|
the_stack_data/913703.c | extern void __VERIFIER_error() __attribute__ ((__noreturn__));
void __VERIFIER_assert(int expression) { if (!expression) { ERROR: /* assert not proved */
__VERIFIER_error(); }; return; }
int __global_lock;
void __VERIFIER_atomic_begin() { /* reachable */
/* reachable */
/* reachable */
/* reachable */
__VERIFIER_assume(__global_lock==0); __global_lock=1; return; }
void __VERIFIER_atomic_end() { __VERIFIER_assume(__global_lock==1); __global_lock=0; return; }
#include "assert.h"
#include "pthread.h"
#ifndef TRUE
#define TRUE (_Bool)1
#endif
#ifndef FALSE
#define FALSE (_Bool)0
#endif
#ifndef NULL
#define NULL ((void*)0)
#endif
#ifndef FENCE
#define FENCE(x) ((void)0)
#endif
#ifndef IEEE_FLOAT_EQUAL
#define IEEE_FLOAT_EQUAL(x,y) (x==y)
#endif
#ifndef IEEE_FLOAT_NOTEQUAL
#define IEEE_FLOAT_NOTEQUAL(x,y) (x!=y)
#endif
void * P0(void *arg);
void * P1(void *arg);
void * P2(void *arg);
void fence();
void isync();
void lwfence();
int __unbuffered_cnt;
int __unbuffered_cnt = 0;
int __unbuffered_p2_EAX;
int __unbuffered_p2_EAX = 0;
_Bool main$tmp_guard0;
_Bool main$tmp_guard1;
int x;
int x = 0;
int y;
int y = 0;
int z;
int z = 0;
void * P0(void *arg)
{
__VERIFIER_atomic_begin();
z = 2;
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
x = 1;
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
__unbuffered_cnt = __unbuffered_cnt + 1;
__VERIFIER_atomic_end();
return nondet_0();
}
void * P1(void *arg)
{
__VERIFIER_atomic_begin();
x = 2;
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
y = 1;
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
__unbuffered_cnt = __unbuffered_cnt + 1;
__VERIFIER_atomic_end();
return nondet_0();
}
void * P2(void *arg)
{
__VERIFIER_atomic_begin();
__unbuffered_p2_EAX = y;
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
z = 1;
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
__unbuffered_cnt = __unbuffered_cnt + 1;
__VERIFIER_atomic_end();
return nondet_0();
}
void fence()
{
}
void isync()
{
}
void lwfence()
{
}
int main()
{
pthread_create(NULL, NULL, P0, NULL);
pthread_create(NULL, NULL, P1, NULL);
pthread_create(NULL, NULL, P2, NULL);
__VERIFIER_atomic_begin();
main$tmp_guard0 = __unbuffered_cnt == 3;
__VERIFIER_atomic_end();
__VERIFIER_assume(main$tmp_guard0);
__VERIFIER_atomic_begin();
__VERIFIER_atomic_end();
__VERIFIER_atomic_begin();
/* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1);
__VERIFIER_atomic_end();
/* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
__VERIFIER_assert(main$tmp_guard1);
/* reachable */
return 0;
}
|
the_stack_data/151704692.c | /*
* Copyright 2010-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
* Additions Copyright 2016 Espressif Systems (Shanghai) PTE LTD
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
/**
* @file aws_iot_certifcates.c
* @brief File to store the AWS certificates in the form of arrays
*/
#ifdef __cplusplus
extern "C" {
#endif
const char aws_root_ca_pem[] = {"-----BEGIN CERTIFICATE-----\n\
MIIE0zCCA7ugAwIBAgIQGNrRniZ96LtKIVjNzGs7SjANBgkqhkiG9w0BAQUFADCB\n\
yjELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL\n\
ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNiBWZXJp\n\
U2lnbiwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxW\n\
ZXJpU2lnbiBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0\n\
aG9yaXR5IC0gRzUwHhcNMDYxMTA4MDAwMDAwWhcNMzYwNzE2MjM1OTU5WjCByjEL\n\
MAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQLExZW\n\
ZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTowOAYDVQQLEzEoYykgMjAwNiBWZXJpU2ln\n\
biwgSW5jLiAtIEZvciBhdXRob3JpemVkIHVzZSBvbmx5MUUwQwYDVQQDEzxWZXJp\n\
U2lnbiBDbGFzcyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9y\n\
aXR5IC0gRzUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCvJAgIKXo1\n\
nmAMqudLO07cfLw8RRy7K+D+KQL5VwijZIUVJ/XxrcgxiV0i6CqqpkKzj/i5Vbex\n\
t0uz/o9+B1fs70PbZmIVYc9gDaTY3vjgw2IIPVQT60nKWVSFJuUrjxuf6/WhkcIz\n\
SdhDY2pSS9KP6HBRTdGJaXvHcPaz3BJ023tdS1bTlr8Vd6Gw9KIl8q8ckmcY5fQG\n\
BO+QueQA5N06tRn/Arr0PO7gi+s3i+z016zy9vA9r911kTMZHRxAy3QkGSGT2RT+\n\
rCpSx4/VBEnkjWNHiDxpg8v+R70rfk/Fla4OndTRQ8Bnc+MUCH7lP59zuDMKz10/\n\
NIeWiu5T6CUVAgMBAAGjgbIwga8wDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8E\n\
BAMCAQYwbQYIKwYBBQUHAQwEYTBfoV2gWzBZMFcwVRYJaW1hZ2UvZ2lmMCEwHzAH\n\
BgUrDgMCGgQUj+XTGoasjY5rw8+AatRIGCx7GS4wJRYjaHR0cDovL2xvZ28udmVy\n\
aXNpZ24uY29tL3ZzbG9nby5naWYwHQYDVR0OBBYEFH/TZafC3ey78DAJ80M5+gKv\n\
MzEzMA0GCSqGSIb3DQEBBQUAA4IBAQCTJEowX2LP2BqYLz3q3JktvXf2pXkiOOzE\n\
p6B4Eq1iDkVwZMXnl2YtmAl+X6/WzChl8gGqCBpH3vn5fJJaCGkgDdk+bW48DW7Y\n\
5gaRQBi5+MHt39tBquCWIMnNZBU4gcmU7qKEKQsTb47bDN0lAtukixlE0kF6BWlK\n\
WE9gyn6CagsCqiUXObXbf+eEZSqVir2G3l6BFoMtEMze/aiCKm0oHw0LxOXnGiYZ\n\
4fQRbxC1lfznQgUy286dUV4otp6F01vvpX1FQHKOtw5rDgb7MzVIcbidJ4vEZV8N\n\
hnacRHr2lVz2XTIIM6RUthg/aFzyQkqFOFSDX9HoLPKsEdao7WNq\n\
-----END CERTIFICATE-----\n"};
const char certificate_pem_crt[] = {"-----BEGIN CERTIFICATE-----\n\
MIIDWTCCAkGgAwIBAgIUWDW4qyby6GFSC9CET+wveQ0bxgswDQYJKoZIhvcNAQEL\n\
BQAwTTFLMEkGA1UECwxCQW1hem9uIFdlYiBTZXJ2aWNlcyBPPUFtYXpvbi5jb20g\n\
SW5jLiBMPVNlYXR0bGUgU1Q9V2FzaGluZ3RvbiBDPVVTMB4XDTE4MDUyMjAyNTAz\n\
MFoXDTQ5MTIzMTIzNTk1OVowHjEcMBoGA1UEAwwTQVdTIElvVCBDZXJ0aWZpY2F0\n\
ZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK61/T9JngPrf0hjJHb5\n\
RGxwTqTW6ylKOK594/k4pnGDBIqP8o6zsqEo4fAN30KH7jr3ToYohWUj79ALT2uQ\n\
cESK/yZBYW/zbO3Adv6/7biMH2I+aKbiWeIDJ36IPoSJeQbfrVKXxmFpz08/Ocbr\n\
8QNjO8pt56eRqI8I8gNzCsUZrFOvfGzfgbzSsGMeSsjeBaXjf3ICiwz/S1ICK3TD\n\
ghXiWiA9HJ67+mCo1DgbFxIL/z3J8hCHc6OR8RaxUWMJ//5zr26lD0ynzCITi1eD\n\
3lopqMO4QHYG+rFRJ8rN8lSD9MIbFI6ZbN5BTT93R66/NboLmC8l1PB5/wcxtPr9\n\
nmMCAwEAAaNgMF4wHwYDVR0jBBgwFoAU5NRoFzqjyOoaKE8VZneA42/pcw8wHQYD\n\
VR0OBBYEFIj4X2PiYcpLkAYeZZGeNb++z1dtMAwGA1UdEwEB/wQCMAAwDgYDVR0P\n\
AQH/BAQDAgeAMA0GCSqGSIb3DQEBCwUAA4IBAQA4R2E0+RgjK5MOI96jkrizxzNP\n\
7k8/R8lViN0vAoB61o6WJKSWsiCUzSvNSBqsSsLrcWKpKHwGGUKp/8Hq0uSIINW1\n\
qnp8SSV1SidkujNdF/occ2Aal4JRCp5k/L3dQ2/SFYWd7Ygp1qB5YbNnsH5LckMh\n\
PI2/PYXfOMGDugpYmGWTrWfnsHNEW2HZyPn6x/ka9yJVzOYkImF/C6ESsZ71yri4\n\
Ur0PUo8/ardBMQpkO8nHtvFmivoeoicTXQ9IRAVe4ND+IQwuieD0+gBN1MxQyA6p\n\
Au7man2IQud8ZMkLVGYNdDg3nj1IT6l/QzDmDhbXvpdUjATbbD5WtjHCgWO0\n\
-----END CERTIFICATE-----\n"};
const char private_pem_key[] = {"-----BEGIN RSA PRIVATE KEY-----\n\
MIIEowIBAAKCAQEArrX9P0meA+t/SGMkdvlEbHBOpNbrKUo4rn3j+TimcYMEio/y\n\
jrOyoSjh8A3fQofuOvdOhiiFZSPv0AtPa5BwRIr/JkFhb/Ns7cB2/r/tuIwfYj5o\n\
puJZ4gMnfog+hIl5Bt+tUpfGYWnPTz85xuvxA2M7ym3np5GojwjyA3MKxRmsU698\n\
bN+BvNKwYx5KyN4FpeN/cgKLDP9LUgIrdMOCFeJaID0cnrv6YKjUOBsXEgv/Pcny\n\
EIdzo5HxFrFRYwn//nOvbqUPTKfMIhOLV4PeWimow7hAdgb6sVEnys3yVIP0whsU\n\
jpls3kFNP3dHrr81uguYLyXU8Hn/BzG0+v2eYwIDAQABAoIBACrRk5W1NzMCvplB\n\
Iyi9gtWI2N1xhwUBmc66L+texPxA/hXvnaT3yanR2T36SGOH6Q0um2IqADd/jUDR\n\
5M8aAUnrPwljMLw9Ts8eQovBAkQeo3pyjTeJdjn8R+us/JWDE9RpcZMye35YbmSf\n\
vEtSfCk2YusD8KiS/FrB+H577YHMlt8CcoPOWRhzoZzPHApGSblc3X+6SnGmcXKM\n\
qewdgAS3sjoJv+DJK/p6n4dY8sI3EryDNDEZsam/jwa+/+k0F9qF7mZc+9ms+DAv\n\
dAtwUsXFHy3afmmt4XF7SJbg5GW+OFY7Mn1tIJEMw4RUiAYTJnD6u9NRi7nNitik\n\
R5y/w4ECgYEA6D/wDxFJFXeV+D0FIgj53hjY2qsELQMMcIHfeCVV4XK/Sr2meC3H\n\
ey/nCP6ybS+Ls6LBhDPC1Pa0AwTbge0CYnS4NRLl3rXc6jjNVEIIUADPY0SFhHUd\n\
uuhnhd72EvwL1XNYxGjCtQ9kUccrvQKGduUomPjQ6OJVvP3vZNZCXQMCgYEAwJO+\n\
ILkA+LzDLF0KtKIlLrqNQn4gmZXG0NoMH9ZWtMebspCmfH3RAZIhS6/aryA3eWsv\n\
8dunePlqLJMYCgv6BOdTOieLAS2ecuYfzOOfOPNRVLfhONQ/XIwtJVBDLiJVR7Ae\n\
Ap1BDtwibp9HfNxN94mr3qI2NVmCYPw8SMuliyECgYEAlwMD33g40hmIzPk4PjIh\n\
7hSv5DbwpyflTb5UhLWaCtZmpX19IYV6wJGcItAhSjdxGeOI+qIBXCHxWEkvRWLL\n\
eyMzp2bbSp1rwGwgrlmlOAfe0Uf7nO3d3+s/bN9Vl3CFbUvr+wG3IK2aaEYeHW7n\n\
6aUFabnXdKW+Y/2lTCa4zesCgYAAwhQjiNbqI8QY7pzWLTU8Q9u+gUSbli1cMR+P\n\
GIbq20ZPo6YkI1KpUOv0olKYEeZmAfgEWbsFDOZQGpwjnfxz/H0lY3Z2oLlY9nL1\n\
mYfM75hIXxjx4lQFhz++P9yj19rCF31mwTu6VT+Fc/cSFMPxz4bvr2/LMfkDbLrI\n\
BpU2QQKBgHRp9T9JQMomOFXnNSGqo8c/Uaoh+YprN8xJTvEJ6R5nyp5rgxeDbCvF\n\
V0Cacp04PlSke6ak0EI0SwOKJr5hIPobzqKNfVOjodkaZl6p+G9Oo+/5Vs2OEZKU\n\
RZnXlnXIF520ZNI1rQCezG9ff9tR3cuLhnE48LXuAyA91cQiQm0x\n\
-----END RSA PRIVATE KEY-----\n"};
#ifdef __cplusplus
}
#endif
|
the_stack_data/141926.c | #include <stdio.h>
int main(int argc, char const *argv[])
{
printf("%s\n", "Hello, world!");
return 0;
}
|
the_stack_data/36075225.c | #include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
int main( )
{
if (fork() && (!fork()))
{
if (fork() || fork())
{
fork();
}
}
printf("2 ");
return 0;
}
|
the_stack_data/1227710.c | /*
* Copyright (c) 2018 Qualcomm Technologies, Inc.
* All Rights Reserved.
*/
// Copyright (c) 2018 Qualcomm Technologies, Inc.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without modification, are permitted (subject to the limitations in the disclaimer below)
// provided that the following conditions are met:
// Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
// 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.
// Neither the name of Qualcomm Technologies, Inc. nor the names of its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
// NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
// 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 CONFIG_DAEMON_MODE
#include "qsOSAL.h"
#include "qsCommon.h"
#include "qsHost.h"
#include "qsPack.h"
#include "qsConfig.h"
#include "qsCallback.h"
#define CALLBACK_LIST_INITIAL_SIZE (64)
#define CALLBACK_THREAD_STACK_SIZE (16*1024)
#define CALLBACK_MAILBOX_NUM_SLOTS (50)
#define CALLBACK_SHUTDOWN_TIMEOUT (3000)
#define CALLBACK_MAILBOX_TIMEOUT (3000)
typedef struct CallbackListEntry_s
{
CallbackParser_t Parser;
CallbackInfo_t Info;
} CallbackListEntry_t;
typedef struct CallbackContext_s
{
Mutex_t Mutex;
Mutex_t LockMutex;
CallbackListEntry_t *CallbackList;
uint32_t CallbackListSize;
Mailbox_t Mailbox;
Thread_t Thread;
Event_t ShutdownEvent;
} CallbackContext_t;
#define CALLBACK_LIST_ALLOC_SIZE(__size__) (sizeof(CallbackListEntry_t) * (__size__))
typedef enum
{
CALLBACK_MESSAGE_SHUTDOWN,
CALLBACK_MESSAGE_BUFFER_AVAILABLE
} CallbackMessage_t;
typedef struct Callback_Mailbox_Message_s
{
CallbackMessage_t MessageType;
uint8_t ModuleID;
uint8_t FileID;
uint16_t EventID;
uint32_t BufferLength;
uint8_t *Buffer;
} Callback_Mailbox_Message_t;
#define CALLBACK_MAILBOX_MESSAGE_SIZE (sizeof(Callback_Mailbox_Message_t))
static CallbackContext_t *CallbackContext;
static SerStatus_t Callback_ResizeCallbackList(void);
static void *Callback_Thread(void *ThreadParameter);
static void Callback_Mailbox_Delete_Callback(void *MailboxData);
/**
Resizes the parser callback list.
@return the status result for resizing the list.
*/
static SerStatus_t Callback_ResizeCallbackList(void)
{
uint32_t NewSize;
SerStatus_t RetVal;
CallbackListEntry_t *NewList;
/* Double the size of the callback list. */
NewSize = CallbackContext->CallbackListSize * 2;
#if 0
NewList = QSOSAL_Realloc(CallbackContext->CallbackList, CALLBACK_LIST_ALLOC_SIZE(NewSize));
#else
NewList = QSOSAL_AllocateMemory(CALLBACK_LIST_ALLOC_SIZE(NewSize));
#endif
if(NewList != NULL)
{
/* Copy the old list.*/
QSOSAL_MemCopy_S(NewList, CALLBACK_LIST_ALLOC_SIZE(NewSize), CallbackContext->CallbackList, CALLBACK_LIST_ALLOC_SIZE(CallbackContext->CallbackListSize));
/* Initialize the new portion of the list. */
QSOSAL_MemInitialize(NewList + CallbackContext->CallbackListSize, 0, CALLBACK_LIST_ALLOC_SIZE(NewSize - CallbackContext->CallbackListSize));
/* Free the old list. */
QSOSAL_FreeMemory(CallbackContext->CallbackList);
/* Point to the new list and update the size. */
CallbackContext->CallbackList = NewList;
CallbackContext->CallbackListSize = NewSize;
RetVal = ssSuccess;
}
else
{
RetVal = ssAllocationError;
}
return(RetVal);
}
/* Handles mailbox messages for callbacks, allowing events to be */
/* executed on a separate thread. */
static void *Callback_Thread(void *ThreadParameter)
{
uint32_t Index;
Callback_Mailbox_Message_t MailboxMessage;
CallbackListEntry_t CallbackListEntry;
Boolean_t MutexHeld;
Boolean_t ShutdownThread;
ShutdownThread = FALSE;
while(!ShutdownThread)
{
/* Block on the mailbox. */
if(QSOSAL_WaitMailbox(CallbackContext->Mailbox, &MailboxMessage))
{
switch(MailboxMessage.MessageType)
{
case CALLBACK_MESSAGE_BUFFER_AVAILABLE:
/* Verify the module is initialized and the parameters are valid. */
if(MailboxMessage.Buffer != NULL)
{
if(QSOSAL_WaitMutex(CallbackContext->LockMutex, QSOSAL_INFINITE_WAIT))
{
if(QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT))
{
MutexHeld = TRUE;
/* Find the callback. */
for(Index = 0; Index < CallbackContext->CallbackListSize; Index++)
{
if((CallbackContext->CallbackList[Index].Info.FileID == MailboxMessage.FileID) && (CallbackContext->CallbackList[Index].Info.CallbackID == MailboxMessage.EventID))
{
/* Copy the entry. */
QSOSAL_MemCopy(&CallbackListEntry, &CallbackContext->CallbackList[Index], sizeof(CallbackListEntry_t));
/* Release the mutex. */
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
MutexHeld = FALSE;
/* Call the parser function. */
(*(CallbackListEntry.Parser))(Index, &(CallbackListEntry.Info), MailboxMessage.BufferLength, (uint8_t *)MailboxMessage.Buffer);
break;
}
}
if(MutexHeld)
{
/* Release the mutex. */
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
}
}
QSOSAL_ReleaseMutex(CallbackContext->LockMutex);
}
QSOSAL_FreeMemory(MailboxMessage.Buffer);
}
break;
case CALLBACK_MESSAGE_SHUTDOWN:
ShutdownThread = TRUE;
break;
}
}
}
/* Signal that we have shut down the thread. */
QSOSAL_SetEvent(CallbackContext->ShutdownEvent);
return(NULL);
}
/* Frees the memory of waiting mailbox message upon mailbox deletion. */
static void Callback_Mailbox_Delete_Callback(void *MailboxData)
{
Callback_Mailbox_Message_t *MailboxMessage;
if(MailboxData)
{
MailboxMessage = (Callback_Mailbox_Message_t *)MailboxData;
switch(MailboxMessage->MessageType)
{
case CALLBACK_MESSAGE_BUFFER_AVAILABLE:
/* Free the buffer associated with this message. */
if(MailboxMessage->Buffer)
{
QSOSAL_FreeMemory(MailboxMessage->Buffer);
}
break;
default:
break;
}
}
}
/**
Initiializes the parser module.
@return the status result of the parser initialization.
*/
SerStatus_t Callback_Initialize(void)
{
SerStatus_t RetVal;
if(CallbackContext == NULL)
{
/* Allocate the callback context. */
CallbackContext = QSOSAL_AllocateMemory(sizeof(CallbackContext_t));
if(CallbackContext != NULL)
{
/* Create the mutex for the callback module. */
CallbackContext->Mutex = QSOSAL_CreateMutex(FALSE);
CallbackContext->LockMutex = QSOSAL_CreateMutex(FALSE);
if((CallbackContext->Mutex != NULL) && (CallbackContext->LockMutex != NULL))
{
/* Allocate the initial callback list. */
CallbackContext->CallbackListSize = CALLBACK_LIST_INITIAL_SIZE;
CallbackContext->CallbackList = (CallbackListEntry_t *)QSOSAL_AllocateMemory(CALLBACK_LIST_ALLOC_SIZE(CallbackContext->CallbackListSize));
if(CallbackContext->CallbackList != NULL)
{
/* Initialize the callback list. */
QSOSAL_MemInitialize(CallbackContext->CallbackList, 0, CALLBACK_LIST_ALLOC_SIZE(CallbackContext->CallbackListSize));
/* Create the shutdown event. */
if((CallbackContext->ShutdownEvent = QSOSAL_CreateEvent(FALSE)))
{
/* Create the mailbox. */
if((CallbackContext->Mailbox = QSOSAL_CreateMailbox(CALLBACK_MAILBOX_NUM_SLOTS, CALLBACK_MAILBOX_MESSAGE_SIZE)) != NULL)
{
/* Create the mailbox thread. */
if((CallbackContext->Thread = QSOSAL_CreateThread(Callback_Thread, CALLBACK_THREAD_STACK_SIZE, NULL)) != NULL)
{
/* Set the module callbacks if the module is initialized. */
#ifdef QS_WPAN_INIT_BLE_THREAD
if(QsSetModuleCb(QS_MODULE_BLE, (void *)Callback_Process) == ssSuccess)
{
#endif
#ifdef QS_WPAN_INIT_HMI_THREAD
if(QsSetModuleCb(QS_MODULE_HMI, (void *)Callback_Process) == ssSuccess)
{
#endif
#ifdef QS_WPAN_INIT_TWN_THREAD
if(QsSetModuleCb(QS_MODULE_THREAD, (void *)Callback_Process) == ssSuccess)
{
#endif
#ifdef QS_WPAN_INIT_ZB_THREAD
if(QsSetModuleCb(QS_MODULE_ZIGBEE, (void *)Callback_Process) == ssSuccess)
{
#endif
#ifdef QS_WPAN_INIT_HERH_THREAD
if(QsSetModuleCb(QS_MODULE_HERH, (void *)Callback_Process) == ssSuccess)
{
#endif
#ifdef QS_WPAN_INIT_COEX_THREAD
if(QsSetModuleCb(QS_MODULE_COEX, (void *)Callback_Process) == ssSuccess)
{
#endif
RetVal = ssSuccess;
#ifdef QS_WPAN_INIT_COEX_THREAD
}
else
RetVal = ssFailure;
#endif
#ifdef QS_WPAN_INIT_HERH_THREAD
}
else
RetVal = ssFailure;
#endif
#ifdef QS_WPAN_INIT_ZB_THREAD
}
else
RetVal = ssFailure;
#endif
#ifdef QS_WPAN_INIT_TWN_THREAD
}
else
RetVal = ssFailure;
#endif
#ifdef QS_WPAN_INIT_HMI_THREAD
}
else
RetVal = ssFailure;
#endif
#ifdef QS_WPAN_INIT_BLE_THREAD
}
else
RetVal = ssFailure;
#endif
}
else
{
RetVal = ssAllocationError;
}
}
else
{
RetVal = ssAllocationError;
}
}
else
{
RetVal = ssAllocationError;
}
}
else
{
RetVal = ssAllocationError;
}
}
else
{
RetVal = ssAllocationError;
}
}
else
{
RetVal = ssAllocationError;
}
if(RetVal != ssSuccess)
{
/* Clean up all the resources. */
Callback_Shutdown();
}
}
else
{
RetVal = ssFailure;
}
return(RetVal);
}
/**
Shuts down the parser module.
*/
void Callback_Shutdown(void)
{
Callback_Mailbox_Message_t MailboxMessage;
if(CallbackContext != NULL)
{
if(CallbackContext->ShutdownEvent)
{
if(CallbackContext->Mailbox)
{
if(CallbackContext->Thread)
{
/* Send a shutdown message and wait for the thread to close. */
MailboxMessage.MessageType = CALLBACK_MESSAGE_SHUTDOWN;
QSOSAL_AddMailbox(CallbackContext->Mailbox, &MailboxMessage);
QSOSAL_WaitEvent(CallbackContext->ShutdownEvent, CALLBACK_SHUTDOWN_TIMEOUT);
}
QSOSAL_DeleteMailbox(CallbackContext->Mailbox, Callback_Mailbox_Delete_Callback);
}
QSOSAL_CloseEvent(CallbackContext->ShutdownEvent);
}
/* Cleanup the lock mutex. */
if(CallbackContext->LockMutex != NULL)
{
QSOSAL_CloseMutex(CallbackContext->LockMutex);
}
/* Cleanup the other resources. */
if(CallbackContext->Mutex != NULL)
{
QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT);
/* Free the callback list. */
if (CallbackContext->CallbackList)
{
QSOSAL_FreeMemory(CallbackContext->CallbackList);
CallbackContext->CallbackList = NULL;
}
/* Delete the mutex. */
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
QSOSAL_CloseMutex(CallbackContext->Mutex);
}
/* Free the context. */
QSOSAL_FreeMemory(CallbackContext);
CallbackContext = NULL;
}
}
/**
Registers a callback function with the provided information.
@param CallbackHandle Pointer to where the callback handle will be stored upon
successful return.
@param CallbackParser Function that will handle parsing the callback.
@param CallbackInfo Information for the callback to be registered. The
ModuleID, FileID, CallbackID, and AppFunction must all be valid.
@return ssSuccess if the callback was registered successfully or a negative
value if there was an error.
*/
SerStatus_t Callback_Register(uint32_t *CallbackHandle, CallbackParser_t CallbackParser, const CallbackInfo_t *CallbackInfo)
{
uint32_t Index;
SerStatus_t RetVal = ssSuccess;
/* Initialize the module if it hasn't been initialized yet. */
if (CallbackContext == NULL)
Callback_Initialize();
/* Verify the module is initialized and the parameters are valid. */
if((CallbackContext != NULL) && (CallbackHandle != NULL) && (CallbackParser != NULL) && (CallbackInfo != NULL) && (CallbackInfo->ModuleID >= QS_MODULE_WLAN) && (CallbackInfo->ModuleID <= QS_MODULE_HERH) && (CallbackInfo->AppFunction != NULL))
{
if(QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT))
{
/* Search for an available entry in the callback list. */
for(Index = 0; Index < CallbackContext->CallbackListSize; Index ++)
{
/* If this callback entry has already been registered.*/
if((CallbackContext->CallbackList[Index].Info.TargetID == CallbackInfo->TargetID) &&
(CallbackContext->CallbackList[Index].Info.ModuleID == CallbackInfo->ModuleID) &&
(CallbackContext->CallbackList[Index].Info.FileID == CallbackInfo->FileID) &&
(CallbackContext->CallbackList[Index].Info.CallbackID == CallbackInfo->CallbackID) &&
(CallbackContext->CallbackList[Index].Info.CallbackKey == CallbackInfo->CallbackKey))
{
/* Return the handle to the caller.*/
*CallbackHandle = Index;
break;
}
else
{
/* If a callback entry is available. */
if(CallbackContext->CallbackList[Index].Parser == NULL)
{
/* Store the callback entry. */
CallbackContext->CallbackList[Index].Parser = CallbackParser;
QSOSAL_MemCopy_S(&(CallbackContext->CallbackList[Index].Info), sizeof(CallbackInfo_t), CallbackInfo, sizeof(CallbackInfo_t));
/* Return the handle to the caller. */
*CallbackHandle = Index;
break;
}
}
}
/* If we could not add the callback entry because the list is full. */
if(Index == CallbackContext->CallbackListSize)
{
/* Resize the list so we can add the callback entry. */
RetVal = Callback_ResizeCallbackList();
/* If an error has not occured. */
if(RetVal == ssSuccess)
{
/* Store the callback entry. */
CallbackContext->CallbackList[Index].Parser = CallbackParser;
QSOSAL_MemCopy_S(&(CallbackContext->CallbackList[Index].Info), sizeof(CallbackInfo_t), CallbackInfo, sizeof(CallbackInfo_t));
/* Return the handle to the caller. */
*CallbackHandle = Index;
}
}
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
}
else
{
RetVal = ssFailure;
}
}
else
{
RetVal = ssInvalidParameter;
}
return(RetVal);
}
/**
Updates the callback key for a registered callback function.
@param CallbackHandle Callback handle returned from successful registration.
@param CallbackKey The new value for the callback key.
@return ssSuccess if the callback was found successfully or a negative value
if there was an error.
*/
SerStatus_t Callback_UpdateKey(uint32_t CallbackHandle, uintptr_t CallbackKey)
{
SerStatus_t RetVal;
/* Verify the module is initialized and the parameters are valid. */
if((CallbackContext != NULL) && (CallbackHandle < CallbackContext->CallbackListSize))
{
if(QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT))
{
/* Make sure the callback ID is in use. */
if(CallbackContext->CallbackList[CallbackHandle].Parser != NULL)
{
CallbackContext->CallbackList[CallbackHandle].Info.CallbackKey = CallbackKey;
RetVal = ssSuccess;
}
else
{
RetVal = ssInvalidParameter;
}
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
}
else
{
RetVal = ssFailure;
}
}
else
{
RetVal = ssInvalidParameter;
}
return(RetVal);
}
/**
Retrieves the callback info for the specified handle.
@param CallbackHandle Callback handle returned from successful registration.
@param CallbackInfo Information for the callback.
@return ssSuccess if the callback was found successfully or a negative value
if there was an error.
*/
SerStatus_t Callback_Retrieve(uint32_t CallbackHandle, CallbackInfo_t *CallbackInfo)
{
SerStatus_t RetVal;
/* Verify the module is initialized and the parameters are valid. */
if((CallbackContext != NULL) && (CallbackHandle < CallbackContext->CallbackListSize))
{
if(QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT))
{
/* Make sure the callback ID is in use. */
if(CallbackContext->CallbackList[CallbackHandle].Parser != NULL)
{
/* Copy the callback info. */
QSOSAL_MemCopy_S(CallbackInfo, sizeof(CallbackInfo_t), &(CallbackContext->CallbackList[CallbackHandle].Info), sizeof(CallbackInfo_t));
RetVal = ssSuccess;
}
else
{
RetVal = ssInvalidParameter;
}
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
}
else
{
RetVal = ssFailure;
}
}
else
{
RetVal = ssInvalidParameter;
}
return(RetVal);
}
/**
Unregisters a callback function based on the callback key and identifiers.
@param ModuleID ID of the callback's module to unregister.
@param FileID ID of the callback's file to unregister.
@param CallbackID ID of the callback's type to unregister.
@param CallbackKey Key specific to the callback to unregister.
*/
void Callback_UnregisterByKey(uint16_t ModuleID, uint16_t FileID, uint16_t CallbackID, uintptr_t CallbackKey)
{
uint32_t Index;
/* Verify the module is initialized and the parameters are valid. */
if(CallbackContext != NULL)
{
if(QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT))
{
/* Search for the entry in the callback list. */
for(Index = 0; Index < CallbackContext->CallbackListSize; Index ++)
{
/* Match to the given parameters. */
if((CallbackContext->CallbackList[Index].Info.ModuleID == ModuleID) && \
(CallbackContext->CallbackList[Index].Info.FileID == FileID) && \
(CallbackContext->CallbackList[Index].Info.CallbackID == CallbackID) && \
(CallbackContext->CallbackList[Index].Info.CallbackKey == CallbackKey))
{
/* Found an available entry. */
break;
}
}
if(Index < CallbackContext->CallbackListSize)
{
/* Memset the entry to unregister it. */
QSOSAL_MemInitialize(&(CallbackContext->CallbackList[Index]), 0, sizeof(CallbackListEntry_t));
}
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
}
}
}
/**
Unregisters a callback function based on the CallbackHandle returned from
Callback_Register().
@param CallbackHandle Handle of the callback to unregister.
*/
void Callback_UnregisterByHandle(uint32_t CallbackHandle)
{
/* Verify the module is initialized and the parameters are valid. */
if((CallbackContext != NULL) && (CallbackHandle < CallbackContext->CallbackListSize))
{
if(QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT))
{
/* Entry found, memset it to unregister it. */
QSOSAL_MemInitialize(&(CallbackContext->CallbackList[CallbackHandle]), 0, sizeof(CallbackListEntry_t));
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
}
}
}
/**
Unregisters callback functions based on the module. All callbacks
registered for the module and instance will be unregistered.
@param ModuleID ID of the module of the callbacks to unregister.
*/
void Callback_UnregisterByModule(uint16_t ModuleID)
{
uint32_t Index;
/* Verify the module is initialized and the parameters are valid. */
if(CallbackContext != NULL)
{
if(QSOSAL_WaitMutex(CallbackContext->Mutex, QSOSAL_INFINITE_WAIT))
{
/* Search the list for an allocated entry that matches the provided
information. */
for(Index = 0; Index < CallbackContext->CallbackListSize; Index ++)
{
if((CallbackContext->CallbackList[Index].Parser != NULL) &&
(CallbackContext->CallbackList[Index].Info.ModuleID == ModuleID))
{
/* Entry found, memset it to unregister it. */
QSOSAL_MemInitialize(&(CallbackContext->CallbackList[Index]), 0, sizeof(CallbackListEntry_t));
}
}
QSOSAL_ReleaseMutex(CallbackContext->Mutex);
}
}
}
/**
Processes callback data received from a remote device. It will invoke the
correct parser for the callback function.
@param ModuleID ID of the callback's module to unregister.
@param FileID ID of the callback's file to unregister.
@param EventID ID of the callback's event.
@param BufferLegnth Length of the buffer that was received.
@param Buffer Data that was received. Note that it is expected that
the callback handle is packed into the beginning of this
buffer.
*/
void Callback_Process(uint8_t ModuleID, uint8_t FileID, uint16_t EventID, uint32_t BufferLength, uint8_t *Buffer)
{
Callback_Mailbox_Message_t MailboxMessage;
/* Allocate a buffer to hold the data. */
MailboxMessage.Buffer = (uint8_t *)QSOSAL_AllocateMemory(BufferLength);
if (MailboxMessage.Buffer)
{
/* Copy the data to the buffer.*/
QSOSAL_MemCopy(MailboxMessage.Buffer, Buffer, BufferLength);
MailboxMessage.MessageType = CALLBACK_MESSAGE_BUFFER_AVAILABLE;
MailboxMessage.ModuleID = ModuleID;
MailboxMessage.FileID = FileID;
MailboxMessage.EventID = EventID;
MailboxMessage.BufferLength = BufferLength;
/* Add the message to the mailbox. */
if(!QSOSAL_AddMailbox(CallbackContext->Mailbox, &MailboxMessage))
{
printf("mbox fail\n");
/* Free the buffer if the mailbox failed. */
QSOSAL_FreeMemory(MailboxMessage.Buffer);
}
}
}
/**
Locks the callback processing preventing any future callbacks from being
issued to the module until the unlocked.
Note, this function may prevent callbacks to all modules, not just the
specified module.
@param ModuleID ID of the callback's module to lock.
@return True if the lock was aquired successfully or false if there was an
error.
*/
Boolean_t Callback_Lock(uint8_t ModuleID)
{
return(QSOSAL_WaitMutex(CallbackContext->LockMutex, QSOSAL_INFINITE_WAIT));
}
/**
Unlocks callback processing for a module.
@param ModuleID ID of the callback's module to unlock.
*/
void Callback_Unlock(uint8_t ModuleID)
{
QSOSAL_ReleaseMutex(CallbackContext->LockMutex);
}
#endif /* CONFIG_DAEMON_MODE */
|
the_stack_data/98574452.c | /*
SoLoud audio engine
Copyright (c) 2013-2014 Jari Komppa
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
#if defined(WITH_OPENAL)
#include <stdlib.h>
#include <math.h>
#ifdef __APPLE__
#include "OpenAL/al.h"
#include "OpenAL/alc.h"
#else
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#endif
#if defined(_MSC_VER)
#define WINDOWS_VERSION
#endif
#ifdef SOLOUD_STATIC_OPENAL
extern "C"
{
// statically linked OpenAL
int dll_al_found() { return 1; }
ALCdevice* dll_alc_OpenDevice(const ALCchar *devicename) { return alcOpenDevice(devicename); }
void dll_alc_CloseDevice(ALCdevice *device) { alcCloseDevice(device); }
ALCcontext* dll_alc_CreateContext(ALCdevice *device, const ALCint* attrlist) { return alcCreateContext(device, attrlist); }
void dll_alc_DestroyContext(ALCcontext *context) { return alcDestroyContext(context); }
ALCboolean dll_alc_MakeContextCurrent(ALCcontext *context) { return alcMakeContextCurrent(context); }
void dll_al_GetSourcei(ALuint source, ALenum param, ALint *value) { alGetSourcei(source, param, value); }
void dll_al_SourceQueueBuffers(ALuint source, ALsizei nb, const ALuint *buffers) { alSourceQueueBuffers(source, nb, buffers); }
void dll_al_SourceUnqueueBuffers(ALuint source, ALsizei nb, ALuint *buffers) { alSourceUnqueueBuffers(source, nb, buffers); }
void dll_al_BufferData(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq) { alBufferData(buffer, format, data, size, freq); }
void dll_al_SourcePlay(ALuint source) { alSourcePlay(source); }
void dll_al_SourceStop(ALuint source) { alSourceStop(source); }
void dll_al_GenBuffers(ALsizei n, ALuint *buffers) { alGenBuffers(n, buffers); }
void dll_al_DeleteBuffers(ALsizei n, ALuint *buffers) { alDeleteBuffers(n, buffers); }
void dll_al_GenSources(ALsizei n, ALuint *sources) { alGenSources(n, sources); }
void dll_al_DeleteSources(ALsizei n, ALuint *sources) { alDeleteSources(n, sources); }
}
#else
typedef ALCdevice* (*alc_OpenDevice)(const ALCchar *devicename);
typedef void (*alc_CloseDevice)(ALCdevice *device);
typedef ALCcontext* (*alc_CreateContext)(ALCdevice *device, const ALCint* attrlist);
typedef void (*alc_DestroyContext)(ALCcontext *context);
typedef ALCboolean (*alc_MakeContextCurrent)(ALCcontext *context);
typedef void (*al_GetSourcei)(ALuint source, ALenum param, ALint *value);
typedef void (*al_SourceQueueBuffers)(ALuint source, ALsizei nb, const ALuint *buffers);
typedef void (*al_SourceUnqueueBuffers)(ALuint source, ALsizei nb, ALuint *buffers);
typedef void (*al_BufferData)(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq);
typedef void (*al_SourcePlay)(ALuint source);
typedef void (*al_SourceStop)(ALuint source);
typedef void (*al_GenBuffers)(ALsizei n, ALuint *buffers);
typedef void (*al_DeleteBuffers)(ALsizei n, ALuint *buffers);
typedef void (*al_GenSources)(ALsizei n, ALuint *sources);
typedef void (*al_DeleteSources)(ALsizei n, ALuint *sources);
static alc_OpenDevice dAlcOpenDevice;
static alc_CloseDevice dAlcCloseDevice;
static alc_CreateContext dAlcCreateContext;
static alc_DestroyContext dAlcDestroyContext;
static alc_MakeContextCurrent dAlcMakeContextCurrent;
static al_GetSourcei dAlGetSourcei;
static al_SourceQueueBuffers dAlSourceQueueBuffers;
static al_SourceUnqueueBuffers dAlSourceUnqueueBuffers;
static al_BufferData dAlBufferData;
static al_SourcePlay dAlSourcePlay;
static al_SourceStop dAlSourceStop;
static al_GenBuffers dAlGenBuffers;
static al_DeleteBuffers dAlDeleteBuffers;
static al_GenSources dAlGenSources;
static al_DeleteSources dAlDeleteSources;
#ifdef WINDOWS_VERSION
#include <windows.h>
static HMODULE oal_openDll()
{
HMODULE x = LoadLibraryA("soft_oal.dll");
if (x == 0) x = LoadLibraryA("OpenAL32.dll");
return x;
}
static void* oal_getDllProc(HMODULE aDllHandle, const char *aProcName)
{
return (void*)GetProcAddress(aDllHandle, (LPCSTR)aProcName);
}
#else
#include <dlfcn.h> // dll functions
typedef void* HMODULE;
static HMODULE oal_openDll()
{
return dlopen("libopenal.so", RTLD_LAZY);
}
static void* oal_getDllProc(HMODULE aLibrary, const char *aProcName)
{
return dlsym(aLibrary, aProcName);
}
#endif
static int oal_load_dll()
{
#ifdef WINDOWS_VERSION
HMODULE dll = NULL;
#else
void * dll = NULL;
#endif
if (dAlcOpenDevice != NULL)
{
return 1;
}
dll = oal_openDll();
if (dll)
{
dAlcOpenDevice = (alc_OpenDevice)oal_getDllProc(dll, "alcOpenDevice");
dAlcCloseDevice = (alc_CloseDevice)oal_getDllProc(dll, "alcCloseDevice");
dAlcCreateContext = (alc_CreateContext)oal_getDllProc(dll, "alcCreateContext");
dAlcDestroyContext = (alc_DestroyContext)oal_getDllProc(dll, "alcDestroyContext");
dAlcMakeContextCurrent = (alc_MakeContextCurrent)oal_getDllProc(dll, "alcMakeContextCurrent");
dAlGetSourcei = (al_GetSourcei)oal_getDllProc(dll, "alGetSourcei");
dAlSourceQueueBuffers = (al_SourceQueueBuffers)oal_getDllProc(dll, "alSourceQueueBuffers");
dAlSourceUnqueueBuffers = (al_SourceUnqueueBuffers)oal_getDllProc(dll, "alSourceUnqueueBuffers");
dAlBufferData = (al_BufferData)oal_getDllProc(dll, "alBufferData");
dAlSourcePlay = (al_SourcePlay)oal_getDllProc(dll, "alSourcePlay");
dAlSourceStop = (al_SourceStop)oal_getDllProc(dll, "alSourceStop");
dAlGenBuffers = (al_GenBuffers)oal_getDllProc(dll, "alGenBuffers");
dAlDeleteBuffers = (al_GenBuffers)oal_getDllProc(dll, "alDeleteBuffers");
dAlGenSources = (al_GenSources)oal_getDllProc(dll, "alGenSources");
dAlDeleteSources = (al_GenSources)oal_getDllProc(dll, "alDeleteSources");
if (dAlcOpenDevice &&
dAlcCloseDevice &&
dAlcCreateContext &&
dAlcDestroyContext &&
dAlcMakeContextCurrent &&
dAlGetSourcei &&
dAlSourceQueueBuffers &&
dAlSourceUnqueueBuffers &&
dAlBufferData &&
dAlSourcePlay &&
dAlSourceStop &&
dAlGenBuffers &&
dAlDeleteBuffers &&
dAlGenSources &&
dAlDeleteSources)
{
return 1;
}
}
dAlcOpenDevice = 0;
return 0;
}
int dll_al_found()
{
return oal_load_dll();
}
ALCdevice* dll_alc_OpenDevice(const ALCchar *devicename)
{
if (oal_load_dll())
return dAlcOpenDevice(devicename);
return NULL;
}
void dll_alc_CloseDevice(ALCdevice *device)
{
if (oal_load_dll())
dAlcCloseDevice(device);
}
ALCcontext* dll_alc_CreateContext(ALCdevice *device, const ALCint* attrlist)
{
if (oal_load_dll())
return dAlcCreateContext(device, attrlist);
return NULL;
}
void dll_alc_DestroyContext(ALCcontext *context)
{
if (oal_load_dll())
dAlcDestroyContext(context);
}
ALCboolean dll_alc_MakeContextCurrent(ALCcontext *context)
{
if (oal_load_dll())
return dAlcMakeContextCurrent(context);
return 0;
}
void dll_al_GetSourcei(ALuint source, ALenum param, ALint *value)
{
if (oal_load_dll())
dAlGetSourcei(source, param, value);
}
void dll_al_SourceQueueBuffers(ALuint source, ALsizei nb, const ALuint *buffers)
{
if (oal_load_dll())
dAlSourceQueueBuffers(source, nb, buffers);
}
void dll_al_SourceUnqueueBuffers(ALuint source, ALsizei nb, ALuint *buffers)
{
if (oal_load_dll())
dAlSourceUnqueueBuffers(source, nb, buffers);
}
void dll_al_BufferData(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq)
{
if (oal_load_dll())
dAlBufferData(buffer, format, data, size, freq);
}
void dll_al_SourcePlay(ALuint source)
{
if (oal_load_dll())
dAlSourcePlay(source);
}
void dll_al_SourceStop(ALuint source)
{
if (oal_load_dll())
dAlSourceStop(source);
}
void dll_al_GenBuffers(ALsizei n, ALuint *buffers)
{
if (oal_load_dll())
dAlGenBuffers(n, buffers);
}
void dll_al_DeleteBuffers(ALsizei n, ALuint *buffers)
{
if (oal_load_dll())
dAlDeleteBuffers(n, buffers);
}
void dll_al_GenSources(ALsizei n, ALuint *sources)
{
if (oal_load_dll())
dAlGenSources(n, sources);
}
void dll_al_DeleteSources(ALsizei n, ALuint *sources)
{
if (oal_load_dll())
dAlDeleteSources(n, sources);
}
#endif
#endif |
the_stack_data/28262465.c | /* This testcase is part of GDB, the GNU debugger.
Copyright 2009-2017 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
struct s
{
int a;
int b;
};
struct SS
{
union { int x; char y; };
union { int a; char b; };
};
typedef struct s TS;
TS ts;
#ifdef __cplusplus
struct C
{
int c;
int d;
int
a_method (int x, char y)
{
return x + y;
}
int
a_const_method (int x, char y) const
{
return x + y;
}
static int
a_static_method (int x, char y)
{
return x + y;
}
};
struct D : C
{
int e;
int f;
};
template<typename T, int I, int C::*MP>
struct Temargs
{
};
Temargs<D, 23, &C::c> temvar;
#endif
enum E
{ v1, v2, v3
};
struct s vec_data_1 = {1, 1};
struct s vec_data_2 = {1, 2};
static int
a_function (int x, char y)
{
return x + y;
}
int
main ()
{
int ar[2] = {1,2};
struct s st;
struct SS ss;
#ifdef __cplusplus
C c;
c.c = 1;
c.d = 2;
D d;
d.e = 3;
d.f = 4;
c.a_method (0, 1);
c.a_const_method (0, 1);
C::a_static_method (0, 1);
#endif
enum E e;
st.a = 3;
st.b = 5;
e = v2;
ss.x = 100;
a_function (0, 1);
return 0; /* break to inspect struct and array. */
}
|
the_stack_data/557042.c | /**
******************************************************************************
* @file stm32l0xx_ll_comp.c
* @author MCD Application Team
* @brief COMP LL module driver
******************************************************************************
* @attention
*
* <h2><center>© Copyright(c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#if defined(USE_FULL_LL_DRIVER)
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_ll_comp.h"
#ifdef USE_FULL_ASSERT
#include "stm32_assert.h"
#else
#define assert_param(expr) ((void)0U)
#endif
/** @addtogroup STM32L0xx_LL_Driver
* @{
*/
#if defined (COMP1) || defined (COMP2)
/** @addtogroup COMP_LL COMP
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/** @addtogroup COMP_LL_Private_Macros
* @{
*/
/* Check of parameters for configuration of COMP hierarchical scope: */
/* COMP instance. */
#define IS_LL_COMP_POWER_MODE(__POWER_MODE__) \
( ((__POWER_MODE__) == LL_COMP_POWERMODE_MEDIUMSPEED) \
|| ((__POWER_MODE__) == LL_COMP_POWERMODE_ULTRALOWPOWER) \
)
#if defined (STM32L011xx) || defined (STM32L021xx)
#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
(((__COMP_INSTANCE__) == COMP1) \
? ( \
(__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1 \
) \
: \
( \
((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO3) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO4) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO5) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO6) \
) \
)
#else
#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
(((__COMP_INSTANCE__) == COMP1) \
? ( \
(__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1 \
) \
: \
( \
((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO3) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO4) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO5) \
) \
)
#endif
/* Note: On this STM32 serie, comparator input minus parameters are */
/* the different depending on COMP instances. */
#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
(((__COMP_INSTANCE__) == COMP1) \
? ( \
((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
) \
: \
( \
((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
) \
)
#define IS_LL_COMP_OUTPUT_POLARITY(__POLARITY__) \
( ((__POLARITY__) == LL_COMP_OUTPUTPOL_NONINVERTED) \
|| ((__POLARITY__) == LL_COMP_OUTPUTPOL_INVERTED) \
)
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup COMP_LL_Exported_Functions
* @{
*/
/** @addtogroup COMP_LL_EF_Init
* @{
*/
/**
* @brief De-initialize registers of the selected COMP instance
* to their default reset values.
* @note If comparator is locked, de-initialization by software is
* not possible.
* The only way to unlock the comparator is a device hardware reset.
* @param COMPx COMP instance
* @retval An ErrorStatus enumeration value:
* - SUCCESS: COMP registers are de-initialized
* - ERROR: COMP registers are not de-initialized
*/
ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_COMP_ALL_INSTANCE(COMPx));
/* Note: Hardware constraint (refer to description of this function): */
/* COMP instance must not be locked. */
if(LL_COMP_IsLocked(COMPx) == 0U)
{
if(COMPx == COMP1)
{
CLEAR_BIT(COMPx->CSR,
( COMP_CSR_COMP1EN
| COMP_CSR_COMP1INNSEL
| COMP_CSR_COMP1WM
| COMP_CSR_COMP1LPTIM1IN1
| COMP_CSR_COMP1POLARITY
| COMP_CSR_COMP1LOCK
)
);
}
else
{
CLEAR_BIT(COMPx->CSR,
( COMP_CSR_COMP2EN
| COMP_CSR_COMP2SPEED
| COMP_CSR_COMP2INNSEL
| COMP_CSR_COMP2INPSEL
| COMP_CSR_COMP2LPTIM1IN2
| COMP_CSR_COMP2LPTIM1IN1
| COMP_CSR_COMP2POLARITY
| COMP_CSR_COMP2LOCK
)
);
}
}
else
{
/* Comparator instance is locked: de-initialization by software is */
/* not possible. */
/* The only way to unlock the comparator is a device hardware reset. */
status = ERROR;
}
return status;
}
/**
* @brief Initialize some features of COMP instance.
* @note This function configures features of the selected COMP instance.
* Some features are also available at scope COMP common instance
* (common to several COMP instances).
* Refer to functions having argument "COMPxy_COMMON" as parameter.
* @param COMPx COMP instance
* @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
* @retval An ErrorStatus enumeration value:
* - SUCCESS: COMP registers are initialized
* - ERROR: COMP registers are not initialized
*/
ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_COMP_ALL_INSTANCE(COMPx));
if(COMPx == COMP2)
{
assert_param(IS_LL_COMP_POWER_MODE(COMP_InitStruct->PowerMode));
assert_param(IS_LL_COMP_INPUT_PLUS(COMPx, COMP_InitStruct->InputPlus));
}
assert_param(IS_LL_COMP_INPUT_MINUS(COMPx, COMP_InitStruct->InputMinus));
assert_param(IS_LL_COMP_OUTPUT_POLARITY(COMP_InitStruct->OutputPolarity));
/* Note: Hardware constraint (refer to description of this function) */
/* COMP instance must not be locked. */
if(LL_COMP_IsLocked(COMPx) == 0U)
{
/* Configuration of comparator instance : */
/* - PowerMode */
/* - InputPlus */
/* - InputMinus */
/* - OutputPolarity */
/* Note: Connection switch is applicable only to COMP instance COMP1, */
/* therefore is COMP2 is selected the equivalent bit is */
/* kept unmodified. */
if(COMPx == COMP1)
{
MODIFY_REG(COMPx->CSR,
( COMP_CSR_COMP1INNSEL
| COMP_CSR_COMP1POLARITY
)
,
( COMP_InitStruct->InputMinus
| COMP_InitStruct->OutputPolarity
)
);
}
else
{
MODIFY_REG(COMPx->CSR,
( COMP_CSR_COMP2SPEED
| COMP_CSR_COMP2INPSEL
| COMP_CSR_COMP2INNSEL
| COMP_CSR_COMP2POLARITY
)
,
( COMP_InitStruct->PowerMode
| COMP_InitStruct->InputPlus
| COMP_InitStruct->InputMinus
| COMP_InitStruct->OutputPolarity
)
);
}
}
else
{
/* Initialization error: COMP instance is locked. */
status = ERROR;
}
return status;
}
/**
* @brief Set each @ref LL_COMP_InitTypeDef field to default value.
* @param COMP_InitStruct: pointer to a @ref LL_COMP_InitTypeDef structure
* whose fields will be set to default values.
* @retval None
*/
void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct)
{
/* Set COMP_InitStruct fields to default values */
COMP_InitStruct->PowerMode = LL_COMP_POWERMODE_MEDIUMSPEED;
COMP_InitStruct->InputPlus = LL_COMP_INPUT_PLUS_IO1;
COMP_InitStruct->InputMinus = LL_COMP_INPUT_MINUS_VREFINT;
COMP_InitStruct->OutputPolarity = LL_COMP_OUTPUTPOL_NONINVERTED;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* COMP1 || COMP2 */
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
the_stack_data/70915.c | #include <stddef.h>
/* Copyright (C) 2003 Free Software Foundation.
Test strcpy optimizations don't evaluate side-effects twice.
Written by Jakub Jelinek, June 23, 2003. */
//;
extern char *strcpy (char *, const char *);
extern int memcmp (const void *, const void *, size_t);
extern void abort (void);
extern void exit (int);
size_t
test1 (char *s, size_t i)
{
strcpy (s, "foobarbaz" + i++);
return i;
}
size_t
check2 (void)
{
static size_t r = 5;
if (r != 5)
abort ();
return ++r;
}
void
test2 (char *s)
{
strcpy (s, "foobarbaz" + check2 ());
}
int main (void)
{
char buf[10];
if (test1 (buf, 7) != 8 || memcmp (buf, "az", 3))
abort ();
test2 (buf);
if (memcmp (buf, "baz", 4))
abort ();
exit (0);
}
|
the_stack_data/863.c | #include <stdio.h>
#include <string.h>
void
tok(char *s, char *delim) {
char *tmp;
tmp = strtok(s, delim);
while (tmp) {
printf("token: %s\n", tmp);
tmp = strtok(NULL, delim);
}
}
int
main(void) {
/* never used a fixed size buffer like this in real code! */
char buf[1024];
/* to eat the newline */
char *nl;
while (fgets(buf, 1024, stdin)) {
/* I consider the != NULL superfluous, but some compilers
* will give a warning without it.
*/
if ((nl = strchr(buf, '\n')) != NULL) {
/* no need for newline */
*nl = '\0';
}
tok(buf, " ");
}
}
|
the_stack_data/136228.c | int main() {
return -8;
}
|
the_stack_data/14200439.c | static const char base64lut[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
void base64(unsigned char *_dst,unsigned char *_src,int len) {
unsigned char *dst=_dst,*src=_src;
while (len>=3) {
(*dst++)=base64lut[src[0] >> 2];
(*dst++)=base64lut[((src[0] << 4) & 0x30) | (src[1] >> 4)];
(*dst++)=base64lut[((src[1] << 2) & 0x3c) | (src[2] >> 6)];
(*dst++)=base64lut[src[2] & 0x3f];
src+=3;
len -= 3;
}
if (len > 0) {
(*dst++)=base64lut[src[0]>>2];
unsigned char f=(src[0] << 4) & 0x30;
if (len>1) f|=src[1] >> 4;
(*dst++)=base64lut[f];
(*dst++)=(len<2)?'=':base64lut[(src[1]<<2)&0x3c];
(*dst++)='=';
}
*dst='\0';
}
|
the_stack_data/18357.c | #if defined(__AVX__)
#ifndef _MSC_VER
#include <x86intrin.h>
#else
#include <intrin.h>
#endif
#include "AVX.h"
void THDoubleVector_copy_AVX(double *y, const double *x, const ptrdiff_t n) {
ptrdiff_t i;
ptrdiff_t off;
for (i=0; i<=((n)-8); i+=8) {
_mm256_storeu_pd(y+i, _mm256_loadu_pd(x+i));
_mm256_storeu_pd(y+i+4, _mm256_loadu_pd(x+i+4));
}
off = (n) - ((n)%8);
for (i=0; i<((n)%8); i++) {
y[off+i] = x[off+i];
}
}
void THDoubleVector_fill_AVX(double *x, const double c, const ptrdiff_t n) {
ptrdiff_t i;
ptrdiff_t off;
__m256d YMM0 = _mm256_set_pd(c, c, c, c);
for (i=0; i<=((n)-16); i+=16) {
_mm256_storeu_pd((x)+i , YMM0);
_mm256_storeu_pd((x)+i+4, YMM0);
_mm256_storeu_pd((x)+i+8, YMM0);
_mm256_storeu_pd((x)+i+12, YMM0);
}
off = (n) - ((n)%16);
for (i=0; i<((n)%16); i++) {
x[off+i] = c;
}
}
void THDoubleVector_cdiv_AVX(double *z, const double *x, const double *y, const ptrdiff_t n) {
ptrdiff_t i;
__m256d YMM0, YMM1, YMM2, YMM3;
for (i=0; i<=((n)-8); i+=8) {
YMM0 = _mm256_loadu_pd(x+i);
YMM1 = _mm256_loadu_pd(x+i+4);
YMM2 = _mm256_loadu_pd(y+i);
YMM3 = _mm256_loadu_pd(y+i+4);
YMM2 = _mm256_div_pd(YMM0, YMM2);
YMM3 = _mm256_div_pd(YMM1, YMM3);
_mm256_storeu_pd(z+i, YMM2);
_mm256_storeu_pd(z+i+4, YMM3);
}
for (; i<(n); i++) {
z[i] = x[i] / y[i];
}
}
void THDoubleVector_divs_AVX(double *y, const double *x, const double c, const ptrdiff_t n) {
ptrdiff_t i;
__m256d YMM15 = _mm256_set_pd(c, c, c, c);
__m256d YMM0, YMM1;
for (i=0; i<=((n)-8); i+=8) {
YMM0 = _mm256_loadu_pd(x+i);
YMM1 = _mm256_loadu_pd(x+i+4);
YMM0 = _mm256_div_pd(YMM0, YMM15);
YMM1 = _mm256_div_pd(YMM1, YMM15);
_mm256_storeu_pd(y+i, YMM0);
_mm256_storeu_pd(y+i+4, YMM1);
}
for (; i<(n); i++) {
y[i] = x[i] / c;
}
}
void THDoubleVector_cmul_AVX(double *z, const double *x, const double *y, const ptrdiff_t n) {
ptrdiff_t i;
__m256d YMM0, YMM1, YMM2, YMM3;
for (i=0; i<=((n)-8); i+=8) {
YMM0 = _mm256_loadu_pd(x+i);
YMM1 = _mm256_loadu_pd(x+i+4);
YMM2 = _mm256_loadu_pd(y+i);
YMM3 = _mm256_loadu_pd(y+i+4);
YMM2 = _mm256_mul_pd(YMM0, YMM2);
YMM3 = _mm256_mul_pd(YMM1, YMM3);
_mm256_storeu_pd(z+i, YMM2);
_mm256_storeu_pd(z+i+4, YMM3);
}
for (; i<n; i++) {
z[i] = x[i] * y[i];
}
}
void THDoubleVector_muls_AVX(double *y, const double *x, const double c, const ptrdiff_t n) {
ptrdiff_t i;
__m256d YMM15 = _mm256_set_pd(c, c, c, c);
__m256d YMM0, YMM1;
for (i=0; i<=((n)-8); i+=8) {
YMM0 = _mm256_loadu_pd(x+i);
YMM1 = _mm256_loadu_pd(x+i+4);
YMM0 = _mm256_mul_pd(YMM0, YMM15);
YMM1 = _mm256_mul_pd(YMM1, YMM15);
_mm256_storeu_pd(y+i, YMM0);
_mm256_storeu_pd(y+i+4, YMM1);
}
for (; i<n; i++) {
y[i] = x[i] * c;
}
}
void THDoubleVector_cadd_AVX(double *z, const double *x, const double *y, const double c, const ptrdiff_t n) {
ptrdiff_t i;
__m256d YMM15 = _mm256_set_pd(c, c, c, c);
__m256d YMM0, YMM1, YMM2, YMM3;
for (i=0; i<=((n)-4); i+=4) {
YMM0 = _mm256_loadu_pd(y+i);
YMM1 = _mm256_loadu_pd(x+i);
YMM2 = _mm256_mul_pd(YMM0, YMM15);
YMM3 = _mm256_add_pd(YMM1, YMM2);
_mm256_storeu_pd(z+i, YMM3);
}
for (; i<(n); i++) {
z[i] = x[i] + y[i] * c;
}
}
void THDoubleVector_adds_AVX(double *y, const double *x, const double c, const ptrdiff_t n) {
ptrdiff_t i;
__m256d YMM15 = _mm256_set_pd(c, c, c, c);
__m256d YMM0, YMM1;
for (i=0; i<=((n)-8); i+=8) {
YMM0 = _mm256_loadu_pd(x+i);
YMM1 = _mm256_loadu_pd(x+i+4);
YMM0 = _mm256_add_pd(YMM0, YMM15);
YMM1 = _mm256_add_pd(YMM1, YMM15);
_mm256_storeu_pd(y+i, YMM0);
_mm256_storeu_pd(y+i+4, YMM1);
}
for (; i<(n); i++) {
y[i] = x[i] + c;
}
}
void THFloatVector_copy_AVX(float *y, const float *x, const ptrdiff_t n) {
ptrdiff_t i;
ptrdiff_t off;
for (i=0; i<=((n)-16); i+=16) {
_mm256_storeu_ps(y+i, _mm256_loadu_ps(x+i));
_mm256_storeu_ps(y+i+8, _mm256_loadu_ps(x+i+8));
}
off = (n) - ((n)%16);
for (i=0; i<((n)%16); i++) {
y[off+i] = x[off+i];
}
}
void THFloatVector_fill_AVX(float *x, const float c, const ptrdiff_t n) {
ptrdiff_t i;
ptrdiff_t off;
__m256 YMM0 = _mm256_set_ps(c, c, c, c, c, c, c, c);
for (i=0; i<=((n)-32); i+=32) {
_mm256_storeu_ps((x)+i , YMM0);
_mm256_storeu_ps((x)+i+8, YMM0);
_mm256_storeu_ps((x)+i+16, YMM0);
_mm256_storeu_ps((x)+i+24, YMM0);
}
off = (n) - ((n)%32);
for (i=0; i<((n)%32); i++) {
x[off+i] = c;
}
}
void THFloatVector_cdiv_AVX(float *z, const float *x, const float *y, const ptrdiff_t n) {
ptrdiff_t i;
__m256 YMM0, YMM1, YMM2, YMM3;
for (i=0; i<=((n)-16); i+=16) {
YMM0 = _mm256_loadu_ps(x+i);
YMM1 = _mm256_loadu_ps(x+i+8);
YMM2 = _mm256_loadu_ps(y+i);
YMM3 = _mm256_loadu_ps(y+i+8);
YMM2 = _mm256_div_ps(YMM0, YMM2);
YMM3 = _mm256_div_ps(YMM1, YMM3);
_mm256_storeu_ps(z+i, YMM2);
_mm256_storeu_ps(z+i+8, YMM3);
}
for (; i<(n); i++) {
z[i] = x[i] / y[i];
}
}
void THFloatVector_divs_AVX(float *y, const float *x, const float c, const ptrdiff_t n) {
ptrdiff_t i;
__m256 YMM15 = _mm256_set_ps(c, c, c, c, c, c, c, c);
__m256 YMM0, YMM1;
for (i=0; i<=((n)-16); i+=16) {
YMM0 = _mm256_loadu_ps(x+i);
YMM1 = _mm256_loadu_ps(x+i+8);
YMM0 = _mm256_div_ps(YMM0, YMM15);
YMM1 = _mm256_div_ps(YMM1, YMM15);
_mm256_storeu_ps(y+i, YMM0);
_mm256_storeu_ps(y+i+8, YMM1);
}
for (; i<(n); i++) {
y[i] = x[i] / c;
}
}
void THFloatVector_cmul_AVX(float *z, const float *x, const float *y, const ptrdiff_t n) {
ptrdiff_t i;
__m256 YMM0, YMM1, YMM2, YMM3;
for (i=0; i<=((n)-16); i+=16) {
YMM0 = _mm256_loadu_ps(x+i);
YMM1 = _mm256_loadu_ps(x+i+8);
YMM2 = _mm256_loadu_ps(y+i);
YMM3 = _mm256_loadu_ps(y+i+8);
YMM2 = _mm256_mul_ps(YMM0, YMM2);
YMM3 = _mm256_mul_ps(YMM1, YMM3);
_mm256_storeu_ps(z+i, YMM2);
_mm256_storeu_ps(z+i+8, YMM3);
}
for (; i<n; i++) {
z[i] = x[i] * y[i];
}
}
void THFloatVector_muls_AVX(float *y, const float *x, const float c, const ptrdiff_t n) {
ptrdiff_t i;
__m256 YMM15 = _mm256_set_ps(c, c, c, c, c, c, c, c);
__m256 YMM0, YMM1;
for (i=0; i<=((n)-16); i+=16) {
YMM0 = _mm256_loadu_ps(x+i);
YMM1 = _mm256_loadu_ps(x+i+8);
YMM0 = _mm256_mul_ps(YMM0, YMM15);
YMM1 = _mm256_mul_ps(YMM1, YMM15);
_mm256_storeu_ps(y+i, YMM0);
_mm256_storeu_ps(y+i+8, YMM1);
}
for (; i<n; i++) {
y[i] = x[i] * c;
}
}
void THFloatVector_cadd_AVX(float *z, const float *x, const float *y, const float c, const ptrdiff_t n) {
ptrdiff_t i;
__m256 YMM15 = _mm256_set_ps(c, c, c, c, c, c, c, c);
__m256 YMM0, YMM1, YMM2, YMM3;
for (i=0; i<=((n)-8); i+=8) {
YMM0 = _mm256_loadu_ps(y+i);
YMM1 = _mm256_loadu_ps(x+i);
YMM2 = _mm256_mul_ps(YMM0, YMM15);
YMM3 = _mm256_add_ps(YMM1, YMM2);
_mm256_storeu_ps(z+i, YMM3);
}
for (; i<(n); i++) {
z[i] = x[i] + y[i] * c;
}
}
void THFloatVector_adds_AVX(float *y, const float *x, const float c, const ptrdiff_t n) {
ptrdiff_t i;
__m256 YMM15 = _mm256_set_ps(c, c, c, c, c, c, c, c);
__m256 YMM0, YMM1;
for (i=0; i<=((n)-16); i+=16) {
YMM0 = _mm256_loadu_ps(x+i);
YMM1 = _mm256_loadu_ps(x+i+8);
YMM0 = _mm256_add_ps(YMM0, YMM15);
YMM1 = _mm256_add_ps(YMM1, YMM15);
_mm256_storeu_ps(y+i, YMM0);
_mm256_storeu_ps(y+i+8, YMM1);
}
for (; i<(n); i++) {
y[i] = x[i] + c;
}
}
#endif // defined(__AVX__)
|
the_stack_data/103264682.c | #include <stdio.h>
#include<math.h>
void main()
{
float a,b,c,d,r1,r2,real,imag;
printf("enter a,b,c values for quadratic equation");
scanf("%f%f%f",&a,&b,&c);
d=b*b-4*a*c;
if(d>0)
{
r1=(-b+sqrt(d))/(2*a);
r2=(-b+sqrt(d))/(2*a);
printf("roots are equal and unequal\n");
printf("roots are:%f\t\t%f",r1,r2);
}
else if(d==0)
{
r1=r2=-b/(2*a);
printf("roots are equal and equal\n");
printf("roots are:%f\t\t%f",r1,r2);
}
else
{
real=(-b/(2*a));
imag=sqrt(-d/(2*a));
printf("roots are imaginary\n");
printf("roots are:%f+%fi\t%f-%fi",real,imag,real,imag);
}
getch();
}
|
the_stack_data/93288.c | #include <stdio.h>
int main(void)
{
printf("Gustav Mahler\n");
printf("Gustav\nMahler\n");
printf("Gustav ");
printf("Mahler\n");
return 0;
}
|
the_stack_data/55300.c | /* gcc -lm ej1.c -o ej1 */
/* Ejemplo 1: Programa que resuelve una ecuaciOn de segundo grado */
#include<stdio.h>
#include<math.h>
int main(void){
double a, b, c;
double d, x1, x2, real, imaginaria;
printf("Programa que resuelve una ecuacióe segundo grado\n");
printf("Escribe el valor del coeficiente A\n");
scanf("%1f",&a);
printf("Escribe el valor del coeficiente B\n");
scanf("%1f",&b);
printf("Escribe el valor del coeficiente C\n");
scanf("%1f",&c);
d=b*b-4.0*a*c; /* Se calcula el discriminante b2 - 4ac*/
if (d > 0.0){ /* Si el determinante es positivo */
x1 = (-b+sqrt(d))/(2.0*a); /* Se calculan las dos raIces, X1 y X2*/
x2 = (-b-sqrt(d))/(2.0*a);
printf("\nExisten dos raIces reales: \nX1 = %5.3f \nX2 = %5.3f\n",x1,x2);
} else { /* El determinante es negativo */
if (d < 0.0){
real = -b/(2.0*a);
imaginaria = sqrt(-d)/(2.0*a);
printf("\nExisten dos raIces complejas:\n");
printf("X1 = %5.3f+%5.3fi \nX2 = %5.3f%5.31fi\n", real, imaginaria, real, -imaginaria);
} else {
x1 = -b/(2.0*a); /* El discriminante es cero*/
printf("\nLas dos raIces son iguales \n X1 = X2 = %5.3f\n", x1);
}
}
}
|
the_stack_data/72446.c | /*
* Copyright (C) [2020] Futurewei Technologies, Inc. All rights reverved.
*
* Licensed under the Mulan Permissive Software License v2.
* You can use this software according to the terms and conditions of the MulanPSL - 2.0.
* You may obtain a copy of MulanPSL - 2.0 at:
*
* https://opensource.org/licenses/MulanPSL-2.0
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR
* FIT FOR A PARTICULAR PURPOSE.
* See the MulanPSL - 2.0 for more details.
*/
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
int sum = 0;
for (int i = 0; i < 10; i++) {
sum += i;
}
if (sum != 45) {
abort();
}
return 0;
}
|
the_stack_data/218893652.c | /**
461. Hamming Distance [E]
Ref: https://leetcode.com/problems/hamming-distance/
*/
int hammingDistance(int x, int y)
{
int diff = x ^ y;
int ret = 0;
for (int i = 0; i < 32; i++)
{
if (diff & ((unsigned int)0x1 << i))
{
ret++;
}
}
return ret;
}
|
the_stack_data/156394082.c | /* { dg-do compile } */
/* { dg-options "-march=x86-64 -mhle" } */
/* { dg-final { scan-assembler "lock;?\[ \n\t\]+\(xacquire\|\.byte\[ \t\]+0xf2\)\[ \t\n\]+xadd" } } */
int
hle_xadd (int *p, int v)
{
return __atomic_fetch_add (p, v, __ATOMIC_ACQUIRE | __ATOMIC_HLE_ACQUIRE);
}
|
the_stack_data/54088.c | /* Defined in lio_listio.c. */
|
the_stack_data/12637430.c | #include <stdio.h>
void sentinel(int n) {
int t[n], i;
for(i=0; i<n; i++) t[i] = i;
t[n-2] = -1;
for(i=0; t[i]>=0; i++) {
}
printf("%d %d\n", n, i);
}
int main() {
sentinel(10);
return 0;
}
|
the_stack_data/92100.c | #include <float.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
static void exit_with_help()
{
printf(
"Usage: svm-scale [options] data_filename\n"
"options:\n"
"-l lower : x scaling lower limit (default -1)\n"
"-u upper : x scaling upper limit (default +1)\n"
"-y y_lower y_upper : y scaling limits (default: no y scaling)\n"
"-s save_filename : save scaling parameters to save_filename\n"
"-r restore_filename : restore scaling parameters from restore_filename\n"
);
exit(1);
}
static char *line = NULL;
static int max_line_len = 1024;
static double lower=-1.0,upper=1.0,y_lower,y_upper;
static int y_scaling = 0;
static double *feature_max;
static double *feature_min;
static double y_max = -DBL_MAX;
static double y_min = DBL_MAX;
static int max_index;
static int min_index;
static long int num_nonzeros = 0;
static long int new_num_nonzeros = 0;
#undef min
#undef max
#define max(x,y) (((x)>(y))?(x):(y))
#define min(x,y) (((x)<(y))?(x):(y))
static void output_target(double value);
static void output(int index, double value);
static char* readline(FILE *input);
static int clean_up(FILE *fp_restore, FILE *fp, const char *msg);
#ifdef BUILD_MONOLITHIC
#define main(c, a) svm_scale_main(c, a)
#endif
int main(int argc,char **argv)
{
int i,index;
FILE *fp, *fp_restore = NULL;
char *save_filename = NULL;
char *restore_filename = NULL;
for(i=1;i<argc;i++)
{
if(argv[i][0] != '-') break;
++i;
switch(argv[i-1][1])
{
case 'l': lower = atof(argv[i]); break;
case 'u': upper = atof(argv[i]); break;
case 'y':
y_lower = atof(argv[i]);
++i;
y_upper = atof(argv[i]);
y_scaling = 1;
break;
case 's': save_filename = argv[i]; break;
case 'r': restore_filename = argv[i]; break;
default:
fprintf(stderr,"unknown option\n");
exit_with_help();
}
}
if(!(upper > lower) || (y_scaling && !(y_upper > y_lower)))
{
fprintf(stderr,"inconsistent lower/upper specification\n");
exit(1);
}
if(restore_filename && save_filename)
{
fprintf(stderr,"cannot use -r and -s simultaneously\n");
exit(1);
}
if(argc != i+1)
exit_with_help();
fp=fopen(argv[i],"r");
if(fp==NULL)
{
fprintf(stderr,"can't open file %s\n", argv[i]);
exit(1);
}
line = (char *) malloc(max_line_len*sizeof(char));
#define SKIP_TARGET\
while(isspace(*p)) ++p;\
while(!isspace(*p)) ++p;
#define SKIP_ELEMENT\
while(*p!=':') ++p;\
++p;\
while(isspace(*p)) ++p;\
while(*p && !isspace(*p)) ++p;
/* assumption: min index of attributes is 1 */
/* pass 1: find out max index of attributes */
max_index = 0;
min_index = 1;
if(restore_filename)
{
int idx, c;
fp_restore = fopen(restore_filename,"r");
if(fp_restore==NULL)
{
fprintf(stderr,"can't open file %s\n", restore_filename);
exit(1);
}
c = fgetc(fp_restore);
if(c == 'y')
{
readline(fp_restore);
readline(fp_restore);
readline(fp_restore);
}
readline(fp_restore);
readline(fp_restore);
while(fscanf(fp_restore,"%d %*f %*f\n",&idx) == 1)
max_index = max(idx,max_index);
rewind(fp_restore);
}
while(readline(fp)!=NULL)
{
char *p=line;
SKIP_TARGET
while(sscanf(p,"%d:%*f",&index)==1)
{
max_index = max(max_index, index);
min_index = min(min_index, index);
SKIP_ELEMENT
num_nonzeros++;
}
}
if(min_index < 1)
fprintf(stderr,
"WARNING: minimal feature index is %d, but indices should start from 1\n", min_index);
rewind(fp);
feature_max = (double *)malloc((max_index+1)* sizeof(double));
feature_min = (double *)malloc((max_index+1)* sizeof(double));
if(feature_max == NULL || feature_min == NULL)
{
fprintf(stderr,"can't allocate enough memory\n");
exit(1);
}
for(i=0;i<=max_index;i++)
{
feature_max[i]=-DBL_MAX;
feature_min[i]=DBL_MAX;
}
/* pass 2: find out min/max value */
while(readline(fp)!=NULL)
{
char *p=line;
int next_index=1;
double target;
double value;
if (sscanf(p,"%lf",&target) != 1)
return clean_up(fp_restore, fp, "ERROR: failed to read labels\n");
y_max = max(y_max,target);
y_min = min(y_min,target);
SKIP_TARGET
while(sscanf(p,"%d:%lf",&index,&value)==2)
{
for(i=next_index;i<index;i++)
{
feature_max[i]=max(feature_max[i],0);
feature_min[i]=min(feature_min[i],0);
}
feature_max[index]=max(feature_max[index],value);
feature_min[index]=min(feature_min[index],value);
SKIP_ELEMENT
next_index=index+1;
}
for(i=next_index;i<=max_index;i++)
{
feature_max[i]=max(feature_max[i],0);
feature_min[i]=min(feature_min[i],0);
}
}
rewind(fp);
/* pass 2.5: save/restore feature_min/feature_max */
if(restore_filename)
{
/* fp_restore rewinded in finding max_index */
int idx, c;
double fmin, fmax;
int next_index = 1;
if((c = fgetc(fp_restore)) == 'y')
{
if(fscanf(fp_restore, "%lf %lf\n", &y_lower, &y_upper) != 2 ||
fscanf(fp_restore, "%lf %lf\n", &y_min, &y_max) != 2)
return clean_up(fp_restore, fp, "ERROR: failed to read scaling parameters\n");
y_scaling = 1;
}
else
ungetc(c, fp_restore);
if (fgetc(fp_restore) == 'x')
{
if(fscanf(fp_restore, "%lf %lf\n", &lower, &upper) != 2)
return clean_up(fp_restore, fp, "ERROR: failed to read scaling parameters\n");
while(fscanf(fp_restore,"%d %lf %lf\n",&idx,&fmin,&fmax)==3)
{
for(i = next_index;i<idx;i++)
if(feature_min[i] != feature_max[i])
{
fprintf(stderr,
"WARNING: feature index %d appeared in file %s was not seen in the scaling factor file %s. The feature is scaled to 0.\n",
i, argv[argc-1], restore_filename);
feature_min[i] = 0;
feature_max[i] = 0;
}
feature_min[idx] = fmin;
feature_max[idx] = fmax;
next_index = idx + 1;
}
for(i=next_index;i<=max_index;i++)
if(feature_min[i] != feature_max[i])
{
fprintf(stderr,
"WARNING: feature index %d appeared in file %s was not seen in the scaling factor file %s. The feature is scaled to 0.\n",
i, argv[argc-1], restore_filename);
feature_min[i] = 0;
feature_max[i] = 0;
}
}
fclose(fp_restore);
}
if(save_filename)
{
FILE *fp_save = fopen(save_filename,"w");
if(fp_save==NULL)
{
fprintf(stderr,"can't open file %s\n", save_filename);
exit(1);
}
if(y_scaling)
{
fprintf(fp_save, "y\n");
fprintf(fp_save, "%.17g %.17g\n", y_lower, y_upper);
fprintf(fp_save, "%.17g %.17g\n", y_min, y_max);
}
fprintf(fp_save, "x\n");
fprintf(fp_save, "%.17g %.17g\n", lower, upper);
for(i=1;i<=max_index;i++)
{
if(feature_min[i]!=feature_max[i])
fprintf(fp_save,"%d %.17g %.17g\n",i,feature_min[i],feature_max[i]);
}
if(min_index < 1)
fprintf(stderr,
"WARNING: scaling factors with indices smaller than 1 are not stored to the file %s.\n", save_filename);
fclose(fp_save);
}
/* pass 3: scale */
while(readline(fp)!=NULL)
{
char *p=line;
int next_index=1;
double target;
double value;
if (sscanf(p,"%lf",&target) != 1)
return clean_up(NULL, fp, "ERROR: failed to read labels\n");
output_target(target);
SKIP_TARGET
while(sscanf(p,"%d:%lf",&index,&value)==2)
{
for(i=next_index;i<index;i++)
output(i,0);
output(index,value);
SKIP_ELEMENT
next_index=index+1;
}
for(i=next_index;i<=max_index;i++)
output(i,0);
printf("\n");
}
if (new_num_nonzeros > num_nonzeros)
fprintf(stderr,
"WARNING: original #nonzeros %ld\n"
" > new #nonzeros %ld\n"
"If feature values are non-negative and sparse, use -l 0 rather than the default -l -1\n",
num_nonzeros, new_num_nonzeros);
free(line);
free(feature_max);
free(feature_min);
fclose(fp);
return 0;
}
static char* readline(FILE *input)
{
int len;
if(fgets(line,max_line_len,input) == NULL)
return NULL;
while(strrchr(line,'\n') == NULL)
{
max_line_len *= 2;
line = (char *) realloc(line, max_line_len);
len = (int) strlen(line);
if(fgets(line+len,max_line_len-len,input) == NULL)
break;
}
return line;
}
static void output_target(double value)
{
if(y_scaling)
{
if(value == y_min)
value = y_lower;
else if(value == y_max)
value = y_upper;
else value = y_lower + (y_upper-y_lower) *
(value - y_min)/(y_max-y_min);
}
printf("%.17g ",value);
}
static void output(int index, double value)
{
/* skip single-valued attribute */
if(feature_max[index] == feature_min[index])
return;
if(value == feature_min[index])
value = lower;
else if(value == feature_max[index])
value = upper;
else
value = lower + (upper-lower) *
(value-feature_min[index])/
(feature_max[index]-feature_min[index]);
if(value != 0)
{
printf("%d:%g ",index, value);
new_num_nonzeros++;
}
}
static int clean_up(FILE *fp_restore, FILE *fp, const char* msg)
{
fprintf(stderr, "%s", msg);
free(line);
free(feature_max);
free(feature_min);
fclose(fp);
if (fp_restore)
fclose(fp_restore);
return -1;
}
|
the_stack_data/75138943.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: kibotrel <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/06 13:23:44 by kibotrel #+# #+# */
/* Updated: 2018/11/11 14:50:51 by kibotrel ### ########.fr */
/* */
/* ************************************************************************** */
int ft_strcmp(const char *s1, const char *s2)
{
int i;
i = 0;
while (s1[i] == s2[i] && s1[i] != '\0')
i++;
return ((unsigned char)s1[i] - (unsigned char)s2[i]);
}
|
the_stack_data/11075041.c | #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <xmmintrin.h>
#include <sys/time.h>
#define EPS 1E-6
enum {
n = 1000000
};
void daxpy(double * restrict x, double * restrict y, double a, int n)
{
for (int i = 0; i < n; i++)
y[i] = a * x[i] + y[i];
}
void daxpy_sse(double * restrict x, double * restrict y, double a, int n)
{
__m128d *xx = (__m128d *)x;
__m128d *yy = (__m128d *)y;
int k = n / 2;
__m128d aa = _mm_set1_pd(a);
for (int i = 0; i < k; i++) {
__m128d z = _mm_mul_pd(aa, xx[i]);
yy[i] = _mm_add_pd(z, yy[i]);
}
}
void *xmalloc(size_t size)
{
void *p = malloc(size);
if (!p) {
fprintf(stderr, "malloc failed\n");
exit(EXIT_FAILURE);
}
return p;
}
double wtime()
{
struct timeval t;
gettimeofday(&t, NULL);
return (double)t.tv_sec + (double)t.tv_usec * 1E-6;
}
double run_scalar()
{
double *x, *y, a = 2.0;
x = xmalloc(sizeof(*x) * n);
y = xmalloc(sizeof(*y) * n);
for (int i = 0; i < n; i++) {
x[i] = i * 2 + 1.0;
y[i] = i;
}
double t = wtime();
daxpy(x, y, a, n);
t = wtime() - t;
/* Verification */
for (int i = 0; i < n; i++) {
double xx = i * 2 + 1.0;
double yy = a * xx + i;
if (fabs(y[i] - yy) > EPS) {
fprintf(stderr, "run_scalar: verification failed (y[%d] = %f != %f)\n", i, y[i], yy);
break;
}
}
printf("Elapsed time (scalar): %.6f sec.\n", t);
free(x);
free(y);
return t;
}
double run_vectorized()
{
double *x, *y, a = 2.0;
x = _mm_malloc(sizeof(*x) * n, 16);
y = _mm_malloc(sizeof(*y) * n, 16);
for (int i = 0; i < n; i++) {
x[i] = i * 2 + 1.0;
y[i] = i;
}
double t = wtime();
daxpy_sse(x, y, a, n);
t = wtime() - t;
/* Verification */
for (int i = 0; i < n; i++) {
double xx = i * 2 + 1.0;
double yy = a * xx + i;
if (fabs(y[i] - yy) > EPS) {
fprintf(stderr, "run_vectorized: verification failed (y[%d] = %f != %f)\n", i, y[i], yy);
break;
}
}
printf("Elapsed time (vectorized): %.6f sec.\n", t);
free(x);
free(y);
return t;
}
int main(int argc, char **argv)
{
printf("daxpy (y[i] = a * x[i] + y[i]; n = %d)\n", n);
double tscalar = run_scalar();
double tvec = run_vectorized();
printf("Speedup: %.2f\n", tscalar / tvec);
return 0;
}
|
the_stack_data/870067.c | #include <stdio.h>
#include <malloc.h>
struct Node {
int val;
struct Node* next;
};
void addNodeFront(struct Node** headAddress, int data) {
if (headAddress == NULL)
return;
struct Node* temp = malloc(sizeof(struct Node));
temp->next = *headAddress;
temp->val = data;
*headAddress = temp;
}
void addNodeBack(struct Node** head, int data) {
if (head == NULL)
return;
if (*head == NULL){
*head = malloc(sizeof(struct Node));
(*head)->next = NULL;
(*head)->val = data;
return;
}
struct Node* temp = *head;
while (temp->next != NULL)
temp= temp->next;
temp->next = malloc(sizeof(struct Node));
temp = temp->next;
temp->next = NULL;
temp->val = data;
};
void printLList(struct Node* head) {
if (head == NULL)
return; // i am doing this because if I dont tala ko newline to prints even when we didnt write aything to console
while (head != NULL) {
printf("%d ", head->val);
head = head->next;
}
printf("\n");
}
void freeLList(struct Node* head) {
while (head != NULL) {
struct Node* temp = head->next;
free(head);
head = temp;
}
}
int main() {
struct Node* head = NULL;
// adding a node.
head = malloc(sizeof(struct Node));
head->next = NULL;
head->val = 0;
free(head);
head = NULL;
addNodeBack(&head, 20);
addNodeFront(&head, 15);
addNodeFront(&head, 16);
addNodeFront(&head, 18);
addNodeBack(&head, 17);
printLList(head);
freeLList(head);
return 0;
}
|
the_stack_data/143475.c | #include <stdint.h>
struct {
uint64_t key;
uint32_t reserved1;
uint8_t nvm;
uint8_t security;
uint8_t protection;
uint8_t reserved2;
} __attribute__((packed))
flash_conf
__attribute__((used,section(".flashfield")))
= {
.key = 0x1234567890abcd,
.reserved1 = 0xffffffff,
.nvm = 0xff,
.security = (1 << 7) | (1 << 2),
.protection = (1 << 6) | (1 << 1),
.reserved2 = 0xff,
};
|
the_stack_data/1035459.c | // 2021-06-08
// pattern: Floyd's Triangle.
#include <stdio.h>
int main()
{
int rows, i, j, number = 1;
printf("Enter the number of rows: ");
scanf("%d", &rows);
for (i = 1; i <= rows; i++)
{
for (j = 1; j <= i; ++j)
{
printf("%d ", number);
++number;
}
printf("\n");
}
return 0;
}
|
the_stack_data/225142343.c | // Modifies the volume of an audio file
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
// Number of bytes in .wav header
const int HEADER_SIZE = 44;
int main(int argc, char *argv[])
{
// Check command-line arguments
if (argc != 4)
{
printf("Usage: ./volume input.wav output.wav factor\n");
return 1;
}
// Open files and determine scaling factor
FILE *input = fopen(argv[1], "r");
if (input == NULL)
{
printf("Could not open file.\n");
return 1;
}
FILE *output = fopen(argv[2], "w");
if (output == NULL)
{
printf("Could not open file.\n");
return 1;
}
float factor = atof(argv[3]);
// TODO: Copy header from input file to output file
uint8_t header[HEADER_SIZE];
/* There is only one header, so parse it just once */
fread(&header, sizeof(header), 1, input);
fwrite(&header, sizeof(header), 1, output);
// TODO: Read samples from input file and write updated data to output file
int16_t buffer;
while (fread(&buffer, sizeof(buffer), 1, input))
{
buffer *= factor;
fwrite(&buffer, sizeof(buffer), 1, output);
}
// Close files
fclose(input);
fclose(output);
}
|
the_stack_data/63694.c | #include <stdio.h>
int main (void)
{
int vx, vy;
vx = 57;
vy = vx + 10;
printf("vxの値は%dです\n", vx);
printf("vyの値は%dです\n", vy);
return 0;
} |
the_stack_data/122016058.c | #include <stdio.h>
#include <math.h>
int main()
{
int i, j, n;
int A = 0, B = 0;
scanf("%d", &n);
int arr[n][n];
for(i = 0; i < n; i++)
{
for(j = 0; j < n; j++)
{
scanf("%d", &arr[i][j]);
}
}
for(i = 0; i < n; i++)
{
A += arr[i][i];
B += arr[i][(n - 1) - i];
}
printf("%d", abs(A-B));
return 0;
}
|
the_stack_data/1234891.c | #include <stdio.h>
int main(void)
{
char firstname[40];
char lastname[40];
printf("Your firstname\n");
scanf("%s",firstname);
printf("Your lastname\n");
scanf("%s",lastname);
printf("%s %s\n",firstname,lastname );
printf("%*d %*d\n",strlen(firstname),strlen(firstname),strlen(lastname),strlen(lastname));
printf("%s %s\n",firstname,lastname );
printf("%-*d %-*d\n",strlen(firstname),strlen(firstname),strlen(lastname),strlen(lastname));
return 0;
} |
the_stack_data/103967.c | #include <stdio.h>
int main()
{
printf("\nBom dia, Ola Mundo\n");
return 0;
} |
the_stack_data/107953023.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_str_is_alpha.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: thbernar <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/08/08 17:42:02 by thbernar #+# #+# */
/* Updated: 2017/08/11 12:19:24 by thbernar ### ########.fr */
/* */
/* ************************************************************************** */
int ft_is_alpha(char c)
{
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
{
return (1);
}
return (0);
}
int ft_str_is_alpha(char *str)
{
int i;
int is_alpha;
i = 0;
is_alpha = 1;
while (str[i] && is_alpha)
{
is_alpha = ft_is_alpha(str[i]);
i++;
}
return (is_alpha);
}
|
the_stack_data/50136632.c | #include <stdio.h>
#include <stdlib.h>
#include <time.h>
/*
CZ:
1. Stáhněte si kód do nového projektu, spusťte ho a prostudujte.
2. Definujte matici celých čísel o velikosti 100 ×100. Vyplňte ji náhodnými čísly a vytiskněte ji.
3. Napište funkci, která z obdélníkové matice n×m vrátí její aritmetický průměr. Aplikujte na vaši matici.
4. Napište funkci, která vrátí největší číslo z matice. Aplikujte na vaši matici.
5. Napište funkci, která vytiskne pro každý řádek matice součet čísel na řádku. Aplikujte na vaši matici.
6. Napište funkci, která do matice přidá nový řádek na konec a uloží do něj největší čísla ze sloupců.
Aby to šlo, musíte upravit načítání počtu řádků ve funkci main. Aplikujte na vaši matici a pak ji vytiskněte.
EN:
1. Download the code for a new project, run it and study it.
2. Define a matrix of integers measuring 100 × 100. Fill it with random numbers and print it.
3. Write a function that returns its arithmetic mean from a rectangular matrix n × m. Apply to your matrix.
4. Write a function that returns the largest number from the array. Apply to your matrix.
5. Write a function that prints the sum of the numbers on the line for each row of the matrix. Apply to your matrix.
6. Write a function that adds a new row to the end of the array and stores the largest numbers from the columns.
For this to work, you need to adjust the number of rows in the main function. Apply to your matrix and then print it.
*/
void init_random(int mat[][100], int n, int m);
void list(int mat[][100], int n, int m);
int average(int mat[][100], int n, int m);
int largest_number(int mat[][100], int n, int m);
void print_average_on_row(int mat[][100], int n, int m);
void add_element_largest_in_column(int mat[][100],int n,int m);
int main()
{
srand( (unsigned) time(NULL));
int n, m;
printf("Zadej pocet radku matice: ");
scanf("%d", &n);
while (n < 1 || n > 99)
{
printf("Cislo musi byt mezi 1 a 100: ");
scanf("%d", &n);
}
printf("Zadej pocet sloupcu matice: ");
scanf("%d", &m);
while (m < 1 || m > 99)
{
printf("Cislo musi byt mezi 1 a 100: ");
scanf("%d", &m);
}
//here is the code
//1, 2
int mat[100][100];
init_random(mat, n, m);
list(mat, n, m);
//3
printf("The average of matrix is %d", average(mat, n, m));
//4
printf("\nThe largest number of matrix is %d\n", largest_number(mat, n, m));
//5
print_average_on_row(mat, n, m);
printf("\n");
//6
add_element_largest_in_column(mat, n, m);
n++;
list(mat, n, m);
printf("\n I am done with matrix ...");
return 0;
}
void init_random(int mat[][100], int n, int m)
{
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
mat[i][j] = rand() % 50 - 25;
}
}
void list(int mat[][100], int n, int m)
{
printf("\n");
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
printf("%4d", mat[i][j]);
printf("\n");
}
}
int average(int mat[][100], int n, int m)
{
int i, j, av;
for (i = 0; i < n; i++)
{
for (j = 0; j < m; j++)
av += mat[i][j];
}
return av/(m*n);
}
int largest_number(int mat[][100], int n, int m)
{
int i, j, largest_number;
largest_number = mat[0][0];
for(i = 0; i < n; i++)
{
for(j = 0; j < m; j++)
{
if(largest_number < mat[i][j])
{
largest_number = mat[i][j];
}
}
}
return largest_number;
}
void print_average_on_row(int mat[][100], int n, int m)
{
int i, j, count=0;
for (i = 0; i < n; i++)
{
for (j = 0; j < m; j++)
{
count += mat[i][j];
}
printf("The sum on %d. row is %d\n",i, count);
count = 0;
}
}
/*6. Napište funkci, která do matice přidá nový řádek na konec a uloží do něj největší čísla ze sloupců.
Aby to šlo, musíte upravit načítání počtu řádků ve funkci main. Aplikujte na vaši matici a pak ji vytiskněte.*/
//i and j has changed because we are going through the matrix in different style
void add_element_largest_in_column(int mat[][100],int n,int m)
{
int i, j, max;
for (j = 0; j < m; j++)
{
max = mat[0][j];
for (i = 0; i < n; i++)
{
if(mat[i][j] > max)
max = mat[i][j];
}
mat[n][j] = max;
}
}
|
the_stack_data/3199.c | #include <stdio.h> // printf
#include <stdint.h> // uint64_t, UINT64_C
#include <inttypes.h> // PRIu64, PRIX64
#include <stdbool.h> // bool, true, false
#define CRC64_CHARBITS (UINT64_C(8))
#define CRC64_NBITS (UINT64_C(64))
#define CRC64_MBITS (CRC64_NBITS - CRC64_CHARBITS)
#define CRC64_MSB (UINT64_C(1) << (CRC64_NBITS - UINT64_C(1)))
#define CRC64_TABLESIZE (UINT64_C(1) << CRC64_CHARBITS)
#define CRC64_MAXINDEX (CRC64_TABLESIZE - UINT64_C(1))
#define CRC64_COMPLEMENT (UINT64_C(-1))
#define CRC64_GPOLYNOM (UINT64_C(0x42F0E1EBA9EA3693))
static uint64_t crc64(unsigned char *data, unsigned int len)
{
static uint64_t crc64_table[CRC64_TABLESIZE];
static bool firstrun = true;
uint64_t crc;
unsigned int i, j;
if (firstrun) {
// Make big-endian (MSB) table of first 256 CRC-64 values
crc = CRC64_MSB;
crc64_table[0] = 0;
for (i = 1; i < CRC64_TABLESIZE; i <<= 1) {
if (crc & CRC64_MSB) {
crc = (crc << 1) ^ CRC64_GPOLYNOM;
} else {
crc <<= 1;
}
for (j = 0; j < i; ++j) {
crc64_table[i + j] = crc ^ crc64_table[j];
}
}
firstrun = false;
}
crc = CRC64_COMPLEMENT;
for (i = 0; i < len; ++i) {
crc = (crc << CRC64_CHARBITS) ^ crc64_table[(data[i] ^ (crc >> CRC64_MBITS)) & CRC64_MAXINDEX];
}
return crc ^ CRC64_COMPLEMENT;
}
int main(void)
{
unsigned char i, j, msg[10];
// Fill msg with values 0, 1, 2, 4, 8, 16, 32, 64, 128, 255
msg[0] = 0;
j = 1;
for (i = 1; i < 9; ++i) {
msg[i] = j;
j <<= 1;
}
msg[9] = 255;
// init 0: 0000000000000000 42F0E1EBA9EA3693 85E1C3D753D46D26 493366450E42ECDF 9266CC8A1C85D9BE 663D78FF90E185EF CC7AF1FF21C30BDE DA050215EA6C212F F6FAE5C07D3274CD 9AFCE626CE85B507
// init -1: 9AFCE626CE85B5F8 D80C07CD676F836B 1F1D25F19D51D8DE D3CF8063C0C75927 089A2AACD2006C46 FCC19ED95E643017 568617D9EF46BE26 40F9E43324E994D7 6C0603E6B3B7C135 00000000000000FF
for (i = 0; i < 10; ++i) {
printf("%016"PRIX64" ", crc64(&msg[i], 1));
}
printf("\n");
return 0;
}
|
the_stack_data/32954.c |
#include <stdio.h>
int main(void) {
/**
* keep in mind that running this in the terminal
* won't display '\b', as OS handles this, effectively
* deleting the character instead of displaying it.
* you have to pipe the output to a file if you
* want to test that.
*/
int c;
while ((c = getchar()) != EOF) {
if (c == '\t') printf("\\t");
if (c == '\b') printf("\\b");
if (c == '\\') printf("\\");
putchar(c);
}
return (0);
} |
the_stack_data/12638426.c | // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -o - %s | FileCheck %s
// END.
# 1 "t.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "t.c"
int __attribute((annotate("foo"))) foo(void) { return 0; }
// CHECK: private unnamed_addr constant [4 x i8] c"t.c\00"
// CHECK: @llvm.global.annotations = {{.*}}, i32 1, i8* null }
|
the_stack_data/75137955.c | /*numPass=1, numTotal=7
Verdict:ACCEPTED, Visibility:1, Input:"a", ExpOutput:"a
", Output:"a
"
Verdict:WRONG_ANSWER, Visibility:1, Input:"pqr", ExpOutput:"pqr
prq
qpr
qrp
rqp
rpq
", Output:""
Verdict:WRONG_ANSWER, Visibility:1, Input:"aceg", ExpOutput:"aceg
acge
aecg
aegc
agec
agce
caeg
cage
ceag
cega
cgea
cgae
ecag
ecga
eacg
eagc
egac
egca
gcea
gcae
geca
geac
gaec
gace
", Output:""
Verdict:WRONG_ANSWER, Visibility:1, Input:"fz", ExpOutput:"fz
zf
", Output:""
Verdict:WRONG_ANSWER, Visibility:0, Input:"abcdef", ExpOutput:"abcdef
abcdfe
abcedf
abcefd
abcfed
abcfde
abdcef
abdcfe
abdecf
abdefc
abdfec
abdfce
abedcf
abedfc
abecdf
abecfd
abefcd
abefdc
abfdec
abfdce
abfedc
abfecd
abfced
abfcde
acbdef
acbdfe
acbedf
acbefd
acbfed
acbfde
acdbef
acdbfe
acdebf
acdefb
acdfeb
acdfbe
acedbf
acedfb
acebdf
acebfd
acefbd
acefdb
acfdeb
acfdbe
acfedb
acfebd
acfbed
acfbde
adcbef
adcbfe
adcebf
adcefb
adcfeb
adcfbe
adbcef
adbcfe
adbecf
adbefc
adbfec
adbfce
adebcf
adebfc
adecbf
adecfb
adefcb
adefbc
adfbec
adfbce
adfebc
adfecb
adfceb
adfcbe
aecdbf
aecdfb
aecbdf
aecbfd
aecfbd
aecfdb
aedcbf
aedcfb
aedbcf
aedbfc
aedfbc
aedfcb
aebdcf
aebdfc
aebcdf
aebcfd
aebfcd
aebfdc
aefdbc
aefdcb
aefbdc
aefbcd
aefcbd
aefcdb
afcdeb
afcdbe
afcedb
afcebd
afcbed
afcbde
afdceb
afdcbe
afdecb
afdebc
afdbec
afdbce
afedcb
afedbc
afecdb
afecbd
afebcd
afebdc
afbdec
afbdce
afbedc
afbecd
afbced
afbcde
bacdef
bacdfe
bacedf
bacefd
bacfed
bacfde
badcef
badcfe
badecf
badefc
badfec
badfce
baedcf
baedfc
baecdf
baecfd
baefcd
baefdc
bafdec
bafdce
bafedc
bafecd
bafced
bafcde
bcadef
bcadfe
bcaedf
bcaefd
bcafed
bcafde
bcdaef
bcdafe
bcdeaf
bcdefa
bcdfea
bcdfae
bcedaf
bcedfa
bceadf
bceafd
bcefad
bcefda
bcfdea
bcfdae
bcfeda
bcfead
bcfaed
bcfade
bdcaef
bdcafe
bdceaf
bdcefa
bdcfea
bdcfae
bdacef
bdacfe
bdaecf
bdaefc
bdafec
bdafce
bdeacf
bdeafc
bdecaf
bdecfa
bdefca
bdefac
bdfaec
bdface
bdfeac
bdfeca
bdfcea
bdfcae
becdaf
becdfa
becadf
becafd
becfad
becfda
bedcaf
bedcfa
bedacf
bedafc
bedfac
bedfca
beadcf
beadfc
beacdf
beacfd
beafcd
beafdc
befdac
befdca
befadc
befacd
befcad
befcda
bfcdea
bfcdae
bfceda
bfcead
bfcaed
bfcade
bfdcea
bfdcae
bfdeca
bfdeac
bfdaec
bfdace
bfedca
bfedac
bfecda
bfecad
bfeacd
bfeadc
bfadec
bfadce
bfaedc
bfaecd
bfaced
bfacde
cbadef
cbadfe
cbaedf
cbaefd
cbafed
cbafde
cbdaef
cbdafe
cbdeaf
cbdefa
cbdfea
cbdfae
cbedaf
cbedfa
cbeadf
cbeafd
cbefad
cbefda
cbfdea
cbfdae
cbfeda
cbfead
cbfaed
cbfade
cabdef
cabdfe
cabedf
cabefd
cabfed
cabfde
cadbef
cadbfe
cadebf
cadefb
cadfeb
cadfbe
caedbf
caedfb
caebdf
caebfd
caefbd
caefdb
cafdeb
cafdbe
cafedb
cafebd
cafbed
cafbde
cdabef
cdabfe
cdaebf
cdaefb
cdafeb
cdafbe
cdbaef
cdbafe
cdbeaf
cdbefa
cdbfea
cdbfae
cdebaf
cdebfa
cdeabf
cdeafb
cdefab
cdefba
cdfbea
cdfbae
cdfeba
cdfeab
cdfaeb
cdfabe
ceadbf
ceadfb
ceabdf
ceabfd
ceafbd
ceafdb
cedabf
cedafb
cedbaf
cedbfa
cedfba
cedfab
cebdaf
cebdfa
cebadf
cebafd
cebfad
cebfda
cefdba
cefdab
cefbda
cefbad
cefabd
cefadb
cfadeb
cfadbe
cfaedb
cfaebd
cfabed
cfabde
cfdaeb
cfdabe
cfdeab
cfdeba
cfdbea
cfdbae
cfedab
cfedba
cfeadb
cfeabd
cfebad
cfebda
cfbdea
cfbdae
cfbeda
cfbead
cfbaed
cfbade
dbcaef
dbcafe
dbceaf
dbcefa
dbcfea
dbcfae
dbacef
dbacfe
dbaecf
dbaefc
dbafec
dbafce
dbeacf
dbeafc
dbecaf
dbecfa
dbefca
dbefac
dbfaec
dbface
dbfeac
dbfeca
dbfcea
dbfcae
dcbaef
dcbafe
dcbeaf
dcbefa
dcbfea
dcbfae
dcabef
dcabfe
dcaebf
dcaefb
dcafeb
dcafbe
dceabf
dceafb
dcebaf
dcebfa
dcefba
dcefab
dcfaeb
dcfabe
dcfeab
dcfeba
dcfbea
dcfbae
dacbef
dacbfe
dacebf
dacefb
dacfeb
dacfbe
dabcef
dabcfe
dabecf
dabefc
dabfec
dabfce
daebcf
daebfc
daecbf
daecfb
daefcb
daefbc
dafbec
dafbce
dafebc
dafecb
dafceb
dafcbe
decabf
decafb
decbaf
decbfa
decfba
decfab
deacbf
deacfb
deabcf
deabfc
deafbc
deafcb
debacf
debafc
debcaf
debcfa
debfca
debfac
defabc
defacb
defbac
defbca
defcba
defcab
dfcaeb
dfcabe
dfceab
dfceba
dfcbea
dfcbae
dfaceb
dfacbe
dfaecb
dfaebc
dfabec
dfabce
dfeacb
dfeabc
dfecab
dfecba
dfebca
dfebac
dfbaec
dfbace
dfbeac
dfbeca
dfbcea
dfbcae
ebcdaf
ebcdfa
ebcadf
ebcafd
ebcfad
ebcfda
ebdcaf
ebdcfa
ebdacf
ebdafc
ebdfac
ebdfca
ebadcf
ebadfc
ebacdf
ebacfd
ebafcd
ebafdc
ebfdac
ebfdca
ebfadc
ebfacd
ebfcad
ebfcda
ecbdaf
ecbdfa
ecbadf
ecbafd
ecbfad
ecbfda
ecdbaf
ecdbfa
ecdabf
ecdafb
ecdfab
ecdfba
ecadbf
ecadfb
ecabdf
ecabfd
ecafbd
ecafdb
ecfdab
ecfdba
ecfadb
ecfabd
ecfbad
ecfbda
edcbaf
edcbfa
edcabf
edcafb
edcfab
edcfba
edbcaf
edbcfa
edbacf
edbafc
edbfac
edbfca
edabcf
edabfc
edacbf
edacfb
edafcb
edafbc
edfbac
edfbca
edfabc
edfacb
edfcab
edfcba
eacdbf
eacdfb
eacbdf
eacbfd
eacfbd
eacfdb
eadcbf
eadcfb
eadbcf
eadbfc
eadfbc
eadfcb
eabdcf
eabdfc
eabcdf
eabcfd
eabfcd
eabfdc
eafdbc
eafdcb
eafbdc
eafbcd
eafcbd
eafcdb
efcdab
efcdba
efcadb
efcabd
efcbad
efcbda
efdcab
efdcba
efdacb
efdabc
efdbac
efdbca
efadcb
efadbc
efacdb
efacbd
efabcd
efabdc
efbdac
efbdca
efbadc
efbacd
efbcad
efbcda
fbcdea
fbcdae
fbceda
fbcead
fbcaed
fbcade
fbdcea
fbdcae
fbdeca
fbdeac
fbdaec
fbdace
fbedca
fbedac
fbecda
fbecad
fbeacd
fbeadc
fbadec
fbadce
fbaedc
fbaecd
fbaced
fbacde
fcbdea
fcbdae
fcbeda
fcbead
fcbaed
fcbade
fcdbea
fcdbae
fcdeba
fcdeab
fcdaeb
fcdabe
fcedba
fcedab
fcebda
fcebad
fceabd
fceadb
fcadeb
fcadbe
fcaedb
fcaebd
fcabed
fcabde
fdcbea
fdcbae
fdceba
fdceab
fdcaeb
fdcabe
fdbcea
fdbcae
fdbeca
fdbeac
fdbaec
fdbace
fdebca
fdebac
fdecba
fdecab
fdeacb
fdeabc
fdabec
fdabce
fdaebc
fdaecb
fdaceb
fdacbe
fecdba
fecdab
fecbda
fecbad
fecabd
fecadb
fedcba
fedcab
fedbca
fedbac
fedabc
fedacb
febdca
febdac
febcda
febcad
febacd
febadc
feadbc
feadcb
feabdc
feabcd
feacbd
feacdb
facdeb
facdbe
facedb
facebd
facbed
facbde
fadceb
fadcbe
fadecb
fadebc
fadbec
fadbce
faedcb
faedbc
faecdb
faecbd
faebcd
faebdc
fabdec
fabdce
fabedc
fabecd
fabced
fabcde
", Output:""
Verdict:WRONG_ANSWER, Visibility:0, Input:"defg", ExpOutput:"defg
degf
dfeg
dfge
dgfe
dgef
edfg
edgf
efdg
efgd
egfd
egdf
fedg
fegd
fdeg
fdge
fgde
fged
gefd
gedf
gfed
gfde
gdfe
gdef
", Output:""
Verdict:WRONG_ANSWER, Visibility:0, Input:"eqrtwy", ExpOutput:"eqrtwy
eqrtyw
eqrwty
eqrwyt
eqrywt
eqrytw
eqtrwy
eqtryw
eqtwry
eqtwyr
eqtywr
eqtyrw
eqwtry
eqwtyr
eqwrty
eqwryt
eqwyrt
eqwytr
eqytwr
eqytrw
eqywtr
eqywrt
eqyrwt
eqyrtw
erqtwy
erqtyw
erqwty
erqwyt
erqywt
erqytw
ertqwy
ertqyw
ertwqy
ertwyq
ertywq
ertyqw
erwtqy
erwtyq
erwqty
erwqyt
erwyqt
erwytq
erytwq
erytqw
erywtq
erywqt
eryqwt
eryqtw
etrqwy
etrqyw
etrwqy
etrwyq
etrywq
etryqw
etqrwy
etqryw
etqwry
etqwyr
etqywr
etqyrw
etwqry
etwqyr
etwrqy
etwryq
etwyrq
etwyqr
etyqwr
etyqrw
etywqr
etywrq
etyrwq
etyrqw
ewrtqy
ewrtyq
ewrqty
ewrqyt
ewryqt
ewrytq
ewtrqy
ewtryq
ewtqry
ewtqyr
ewtyqr
ewtyrq
ewqtry
ewqtyr
ewqrty
ewqryt
ewqyrt
ewqytr
ewytqr
ewytrq
ewyqtr
ewyqrt
ewyrqt
ewyrtq
eyrtwq
eyrtqw
eyrwtq
eyrwqt
eyrqwt
eyrqtw
eytrwq
eytrqw
eytwrq
eytwqr
eytqwr
eytqrw
eywtrq
eywtqr
eywrtq
eywrqt
eywqrt
eywqtr
eyqtwr
eyqtrw
eyqwtr
eyqwrt
eyqrwt
eyqrtw
qertwy
qertyw
qerwty
qerwyt
qerywt
qerytw
qetrwy
qetryw
qetwry
qetwyr
qetywr
qetyrw
qewtry
qewtyr
qewrty
qewryt
qewyrt
qewytr
qeytwr
qeytrw
qeywtr
qeywrt
qeyrwt
qeyrtw
qretwy
qretyw
qrewty
qrewyt
qreywt
qreytw
qrtewy
qrteyw
qrtwey
qrtwye
qrtywe
qrtyew
qrwtey
qrwtye
qrwety
qrweyt
qrwyet
qrwyte
qrytwe
qrytew
qrywte
qrywet
qryewt
qryetw
qtrewy
qtreyw
qtrwey
qtrwye
qtrywe
qtryew
qterwy
qteryw
qtewry
qtewyr
qteywr
qteyrw
qtwery
qtweyr
qtwrey
qtwrye
qtwyre
qtwyer
qtyewr
qtyerw
qtywer
qtywre
qtyrwe
qtyrew
qwrtey
qwrtye
qwrety
qwreyt
qwryet
qwryte
qwtrey
qwtrye
qwtery
qwteyr
qwtyer
qwtyre
qwetry
qwetyr
qwerty
qweryt
qweyrt
qweytr
qwyter
qwytre
qwyetr
qwyert
qwyret
qwyrte
qyrtwe
qyrtew
qyrwte
qyrwet
qyrewt
qyretw
qytrwe
qytrew
qytwre
qytwer
qytewr
qyterw
qywtre
qywter
qywrte
qywret
qywert
qywetr
qyetwr
qyetrw
qyewtr
qyewrt
qyerwt
qyertw
rqetwy
rqetyw
rqewty
rqewyt
rqeywt
rqeytw
rqtewy
rqteyw
rqtwey
rqtwye
rqtywe
rqtyew
rqwtey
rqwtye
rqwety
rqweyt
rqwyet
rqwyte
rqytwe
rqytew
rqywte
rqywet
rqyewt
rqyetw
reqtwy
reqtyw
reqwty
reqwyt
reqywt
reqytw
retqwy
retqyw
retwqy
retwyq
retywq
retyqw
rewtqy
rewtyq
rewqty
rewqyt
rewyqt
rewytq
reytwq
reytqw
reywtq
reywqt
reyqwt
reyqtw
rteqwy
rteqyw
rtewqy
rtewyq
rteywq
rteyqw
rtqewy
rtqeyw
rtqwey
rtqwye
rtqywe
rtqyew
rtwqey
rtwqye
rtweqy
rtweyq
rtwyeq
rtwyqe
rtyqwe
rtyqew
rtywqe
rtyweq
rtyewq
rtyeqw
rwetqy
rwetyq
rweqty
rweqyt
rweyqt
rweytq
rwteqy
rwteyq
rwtqey
rwtqye
rwtyqe
rwtyeq
rwqtey
rwqtye
rwqety
rwqeyt
rwqyet
rwqyte
rwytqe
rwyteq
rwyqte
rwyqet
rwyeqt
rwyetq
ryetwq
ryetqw
ryewtq
ryewqt
ryeqwt
ryeqtw
rytewq
ryteqw
rytweq
rytwqe
rytqwe
rytqew
rywteq
rywtqe
rywetq
ryweqt
rywqet
rywqte
ryqtwe
ryqtew
ryqwte
ryqwet
ryqewt
ryqetw
tqrewy
tqreyw
tqrwey
tqrwye
tqrywe
tqryew
tqerwy
tqeryw
tqewry
tqewyr
tqeywr
tqeyrw
tqwery
tqweyr
tqwrey
tqwrye
tqwyre
tqwyer
tqyewr
tqyerw
tqywer
tqywre
tqyrwe
tqyrew
trqewy
trqeyw
trqwey
trqwye
trqywe
trqyew
treqwy
treqyw
trewqy
trewyq
treywq
treyqw
trweqy
trweyq
trwqey
trwqye
trwyqe
trwyeq
tryewq
tryeqw
tryweq
trywqe
tryqwe
tryqew
terqwy
terqyw
terwqy
terwyq
terywq
teryqw
teqrwy
teqryw
teqwry
teqwyr
teqywr
teqyrw
tewqry
tewqyr
tewrqy
tewryq
tewyrq
tewyqr
teyqwr
teyqrw
teywqr
teywrq
teyrwq
teyrqw
twreqy
twreyq
twrqey
twrqye
twryqe
twryeq
twerqy
tweryq
tweqry
tweqyr
tweyqr
tweyrq
twqery
twqeyr
twqrey
twqrye
twqyre
twqyer
twyeqr
twyerq
twyqer
twyqre
twyrqe
twyreq
tyrewq
tyreqw
tyrweq
tyrwqe
tyrqwe
tyrqew
tyerwq
tyerqw
tyewrq
tyewqr
tyeqwr
tyeqrw
tywerq
tyweqr
tywreq
tywrqe
tywqre
tywqer
tyqewr
tyqerw
tyqwer
tyqwre
tyqrwe
tyqrew
wqrtey
wqrtye
wqrety
wqreyt
wqryet
wqryte
wqtrey
wqtrye
wqtery
wqteyr
wqtyer
wqtyre
wqetry
wqetyr
wqerty
wqeryt
wqeyrt
wqeytr
wqyter
wqytre
wqyetr
wqyert
wqyret
wqyrte
wrqtey
wrqtye
wrqety
wrqeyt
wrqyet
wrqyte
wrtqey
wrtqye
wrteqy
wrteyq
wrtyeq
wrtyqe
wretqy
wretyq
wreqty
wreqyt
wreyqt
wreytq
wryteq
wrytqe
wryetq
wryeqt
wryqet
wryqte
wtrqey
wtrqye
wtreqy
wtreyq
wtryeq
wtryqe
wtqrey
wtqrye
wtqery
wtqeyr
wtqyer
wtqyre
wteqry
wteqyr
wterqy
wteryq
wteyrq
wteyqr
wtyqer
wtyqre
wtyeqr
wtyerq
wtyreq
wtyrqe
wertqy
wertyq
werqty
werqyt
weryqt
werytq
wetrqy
wetryq
wetqry
wetqyr
wetyqr
wetyrq
weqtry
weqtyr
weqrty
weqryt
weqyrt
weqytr
weytqr
weytrq
weyqtr
weyqrt
weyrqt
weyrtq
wyrteq
wyrtqe
wyretq
wyreqt
wyrqet
wyrqte
wytreq
wytrqe
wyterq
wyteqr
wytqer
wytqre
wyetrq
wyetqr
wyertq
wyerqt
wyeqrt
wyeqtr
wyqter
wyqtre
wyqetr
wyqert
wyqret
wyqrte
yqrtwe
yqrtew
yqrwte
yqrwet
yqrewt
yqretw
yqtrwe
yqtrew
yqtwre
yqtwer
yqtewr
yqterw
yqwtre
yqwter
yqwrte
yqwret
yqwert
yqwetr
yqetwr
yqetrw
yqewtr
yqewrt
yqerwt
yqertw
yrqtwe
yrqtew
yrqwte
yrqwet
yrqewt
yrqetw
yrtqwe
yrtqew
yrtwqe
yrtweq
yrtewq
yrteqw
yrwtqe
yrwteq
yrwqte
yrwqet
yrweqt
yrwetq
yretwq
yretqw
yrewtq
yrewqt
yreqwt
yreqtw
ytrqwe
ytrqew
ytrwqe
ytrweq
ytrewq
ytreqw
ytqrwe
ytqrew
ytqwre
ytqwer
ytqewr
ytqerw
ytwqre
ytwqer
ytwrqe
ytwreq
ytwerq
ytweqr
yteqwr
yteqrw
ytewqr
ytewrq
yterwq
yterqw
ywrtqe
ywrteq
ywrqte
ywrqet
ywreqt
ywretq
ywtrqe
ywtreq
ywtqre
ywtqer
ywteqr
ywterq
ywqtre
ywqter
ywqrte
ywqret
ywqert
ywqetr
ywetqr
ywetrq
yweqtr
yweqrt
ywerqt
ywertq
yertwq
yertqw
yerwtq
yerwqt
yerqwt
yerqtw
yetrwq
yetrqw
yetwrq
yetwqr
yetqwr
yetqrw
yewtrq
yewtqr
yewrtq
yewrqt
yewqrt
yewqtr
yeqtwr
yeqtrw
yeqwtr
yeqwrt
yeqrwt
yeqrtw
", Output:""
*/
#include <stdio.h>
#include <string.h>
void swap(char*n,char* i)
{
char c;
c=*n;
*n=*i;
*i=c;
}
void per(char str[],int n,int l)
{
int i;
if(n==l)
printf("%s\n",str);
else
{
for(i=n;i<=l;i++)
{
swap(str[n],str[i]);
per(str,n+1,l);
swap(str[n],str[i]);
}
}
}
int main()
{
char str[100];
int i,x=1,n=0,l;
scanf("%s",str);
l=strlen(str);
for(i=1;i<=l;i++)
x=x*i;
per(str,n,l-1);
return 0;
} |
the_stack_data/1163872.c | /*
Copyright by Adam Kinsman, Jason Thong and Nicola Nicolici
Department of Electrical and Computer Engineering
McMaster University
Ontario, Canada
*/
//decoding of milestone 1 - read a .sram_d1 file, do IDCT (inverse discrete cosine transform), write a .sram_d0 file
//the output file contains RGB data (formatted as {R0 G0}, {B0 R1}, {G1 B1}, ...) and is organized the same way as the SRAM is supposed to be in hardware
//(see project document), also an output ppm file is provided
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv) {
int i, j, k, jm5, jm3, jm1, jp1, jp3, jp5, width, height, y_val, u_val, v_val;
int *y, *u, *v, idct_coeff[8][8], temp_matrix1[8][8], temp_matrix2[8][8];
char input_filename[200], output_filename[200], output_filename2[200];
double double_tmp1, double_tmp2;
FILE *file_ptr;
const int SRAM_Y_in = 0, SRAM_U_in = 38400, SRAM_V_in = 57600; //starting address of where to READ each segment
const int SRAM_RGB_out = 146944; //starting address of where to WRITE
unsigned short *sram;
//it is ASSUMED that the image width is 320 and the height is 240, if you increase these values make sure to change the values of
//SRAM_Y_in, SRAM_RGB_out, etc. otherwise some data will be overwritten (spillover from one segment to another) or data will write outside of the memory
width = 320;
height = 240;
//get input file name either from first command line argument or from the user interface (command prompt)
if (argc<2) {
printf("Enter the input file name including the .sram_d1 extension: ");
fscanf(stdin, "%s", input_filename);
}
else strcpy(input_filename, argv[1]);
//get .sram_d0 output file name either from second command line argument or from the user interface (command prompt)
if (argc<3) {
printf("Enter the SRAM output file name including the .sram_d0 extension: ");
fscanf(stdin, "%s", output_filename);
}
else strcpy(output_filename, argv[2]);
//get .ppm output file name either from third command line argument or from the user interface (command prompt)
if (argc<4) {
printf("Enter the PPM output file name including the .ppm extension: ");
fscanf(stdin, "%s", output_filename2);
}
else strcpy(output_filename2, argv[3]);
//open input file
file_ptr = fopen(input_filename, "rb");
if (file_ptr==NULL) {
printf("Cannot open file %s for binary reading, exiting...\n", input_filename);
exit(1);
}
else printf("Opened input file %s\n", input_filename);
//allocate virtual sram, 16 bits by 2^18 locations, then read from input file
sram = (unsigned short *)malloc(sizeof(unsigned short)*262144);
if (sram==NULL) { printf("Malloc failed :(\n)"); exit(1); }
for (i=0; i<262144; i++) {
j = fgetc(file_ptr);
k = fgetc(file_ptr);
if (j==EOF || k==EOF) { printf("Unexpected end of file, sram file should be EXACTLY 512 KB, exiting...\n"); exit(1); }
sram[i] = ((j & 0xff) << 8) | (k & 0xff);
}
if (fgetc(file_ptr)!=EOF) printf("Warning: end of input file not reached where expected\n");
fclose(file_ptr);
//extract Y, even U, and even V from SRAM into arrays
y = (int *)malloc(sizeof(int)*width*height);
u = (int *)malloc(sizeof(int)*width*height);
v = (int *)malloc(sizeof(int)*width*height);
if (y==NULL || u==NULL || v==NULL) { printf("Malloc failed :(\n)"); exit(1); }
for (i=0; i<height; i++) for (j=0; j<width; j+=2) { //extract Y
y[i*width+j] = (sram[(i*width+j)/2 + SRAM_Y_in] >> 8) & 0xff; //high byte from SRAM goes to even indexes
y[i*width+j+1] = sram[(i*width+j)/2 + SRAM_Y_in] & 0xff; //low byte from SRAM goes to odd indexes
}
for (i=0; i<height; i++) for (j=0; j<width/2; j+=2) { //extract downsampled U - even indexes only
u[i*width+2*j] = (sram[(i*width/2+j)/2 + SRAM_U_in] >> 8) & 0xff; //high byte from SRAM goes to indexes 0, 4, 8, ... (divided by 2 result would be even)
u[i*width+2*j+2] = sram[(i*width/2+j)/2 + SRAM_U_in] & 0xff; //low byte from SRAM goes to indexes 2, 6, 10, ... (divided by 2 result would be odd)
}
for (i=0; i<height; i++) for (j=0; j<width/2; j+=2) { //extract downsampled V - same like U
v[i*width+2*j] = (sram[(i*width/2+j)/2 + SRAM_V_in] >> 8) & 0xff;
v[i*width+2*j+2] = sram[(i*width/2+j)/2 + SRAM_V_in] & 0xff;
}
//upsample the odd column U and V
for (i=0; i<height; i++) for (j=1; j<width; j+=2) {
jm5 = ((j-5) < 0) ? 0 : (j-5); //use neighboring pixels to interpolate, but catch the out-of-bounds indexes
jm3 = ((j-3) < 0) ? 0 : (j-3); //note all of these 6 indexes must be even
jm1 = ((j-1) < 0) ? 0 : (j-1);
jp1 = ((j+1) > (width-2)) ? (width-2) : (j+1);
jp3 = ((j+3) > (width-2)) ? (width-2) : (j+3);
jp5 = ((j+5) > (width-2)) ? (width-2) : (j+5);
u[i*width+j] = (159 * (u[i*width+jp1] + u[i*width+jm1]) - 52 * (u[i*width+jp3] + u[i*width+jm3]) + 21 * (u[i*width+jp5] + u[i*width+jm5]) + 128) >> 8;
v[i*width+j] = (159 * (v[i*width+jp1] + v[i*width+jm1]) - 52 * (v[i*width+jp3] + v[i*width+jm3]) + 21 * (v[i*width+jp5] + v[i*width+jm5]) + 128) >> 8;
//debug hook, uncomment and modify as needed
/*
if (i==0 && j==1) { //i is what row, j is what column (output indexing, check for odd values of j)
printf("upsampling debug on row %d, pixel %d\n", i, j);
printf("source values for u:\n");
printf("offset -5: %d (%x hex)\n", u[i*width+jm5], u[i*width+jm5]);
printf("offset -3: %d (%x hex)\n", u[i*width+jm3], u[i*width+jm3]);
printf("offset -1: %d (%x hex)\n", u[i*width+jm1], u[i*width+jm1]);
printf("offset +1: %d (%x hex)\n", u[i*width+jp1], u[i*width+jp1]);
printf("offset +3: %d (%x hex)\n", u[i*width+jp3], u[i*width+jp3]);
printf("offset +5: %d (%x hex)\n", u[i*width+jp5], u[i*width+jp5]);
printf("upsampled value is %d (%x hex)\n", u[i*width+j], u[i*width+j]);
}
*/
}
//color space conversion - overwrite Y with red, U with green, and V with blue
for (i=0; i<height*width; i++) {
y_val = y[i] - 16;
u_val = u[i] - 128;
v_val = v[i] - 128;
y[i] = (76284 * y_val + 104595 * v_val) >> 16; //red
u[i] = (76284 * y_val - 25624 * u_val - 53281 * v_val) >> 16; //green
v[i] = (76284 * y_val + 132251 * u_val) >> 16; //blue
y[i] = (y[i] < 0) ? 0 : ((y[i] > 255) ? 255 : y[i]); //clipping final result to 8 bits unsigned
u[i] = (u[i] < 0) ? 0 : ((u[i] > 255) ? 255 : u[i]);
v[i] = (v[i] < 0) ? 0 : ((v[i] > 255) ? 255 : v[i]);
//debug hook, uncomment and modify as needed
/*
if (i==0) { //i goes across picture then down, so row = i/width and column = i%width
printf("color space conversion debug on pixel %d (row %d, column %d)\n", i, i/width, i%width);
printf("incoming values (before subtraction):\n");
printf("Y %d (%x hex)\n", y_val + 16, y_val + 16); //undo the earlier -16
printf("U %d (%x hex)\n", u_val + 128, u_val + 128);
printf("V %d (%x hex)\n", v_val + 128, v_val + 128);
printf("output values (after clipping):\n");
printf("R %d (%x hex)\n", y[i], y[i]);
printf("G %d (%x hex)\n", u[i], u[i]);
printf("B %d (%x hex)\n", v[i], v[i]);
}
*/
}
//write RGB data to SRAM in the same format as PPM: {R0 G0}, {B0 R1}, {G1 B1}, etc.
j = SRAM_RGB_out; //sram write address, increments 3 times for every 2 pixels
for (i=0; i<height*width; i+=2) { //need to process 2 pixels (6 pieces of data) together, as two 8-bit values are packed in the same SRAM location
sram[j++] = ((y[i] & 0xff) << 8) | (u[i] & 0xff); //R0 on high byte, G0 on low byte
sram[j++] = ((v[i] & 0xff) << 8) | (y[i+1] & 0xff); //B0 on high byte, R1 on low byte
sram[j++] = ((u[i+1] & 0xff) << 8) | (v[i+1] & 0xff); //G1 on high byte, B1 on low byte
}
//open SRAM output file and write virtual sram to file
file_ptr = fopen(output_filename, "wb");
if (file_ptr==NULL) {
printf("Cannot open file %s for binary writing, exiting...\n", output_filename);
exit(1);
}
else printf("Opened SRAM output file %s\n", output_filename);
for (i=0; i<262144; i++) {
fputc((sram[i]>>8) & 0xff, file_ptr); //write high byte first
fputc(sram[i] & 0xff, file_ptr); //then low byte
}
fclose(file_ptr);
//open PPM output file and write a ppm image
file_ptr = fopen(output_filename2, "wb");
if (file_ptr==NULL) {
printf("Cannot open file %s for binary writing, exiting...\n", output_filename2);
exit(1);
}
else printf("Opened PPM output file %s\n", output_filename2);
fprintf(file_ptr, "P6\n%d %d\n255\n", width, height); //header
for (i=0; i<height*width; i++) {
fputc(y[i], file_ptr); //red
fputc(u[i], file_ptr); //green
fputc(v[i], file_ptr); //blue
}
fclose(file_ptr);
free(y);
free(u);
free(v);
free(sram);
printf("Done\n");
return 0;
}
|
the_stack_data/70450639.c | // Lab 5 Program 4 : Write a C program to implement circular queue concept
#include <stdio.h>
#include <stdlib.h>
#define SIZE 10
int queue[SIZE],front=-1,rear=-1,i,j=1,x=SIZE;
void enqueue(void);
void dequeue(void);
void display(void);
int main()
{
int ch=1;
printf("Circular Queue using Array");
printf("\n1.EnQueue \n2.DeQueue \n3.Display \n4.Exit\n");
while(ch)
{
printf("\nEnter the Choice:\n");
scanf("%d",&ch);
switch(ch)
{
case 1:
enqueue();
break;
case 2:
dequeue();
break;
case 3:
display();
break;
case 4:
exit(0);
default:
printf ("Please Enter a Valid Choice(1/2/3/4) \n");
}
}
return 0;
}
void enqueue()
{
if((front==0 && rear == SIZE - 1) || (front == rear + 1))
{
printf("Queue is Full \n");
}
else if (rear == - 1)
{
rear++;
front++;
}
else if (rear == SIZE - 1 && front > 0)
{
rear = 0;
}
else
{
rear++;
}
scanf("%d",&queue[rear]);
}
void dequeue(void)
{
if (front == - 1)
{
printf("Queue is empty ");
}
else if (front == rear)
{
printf("\n %d deleted", queue[front]);
front = - 1;
rear = - 1;
}
else
{
printf("\n %d deleted", queue[front]);
front++;
}
}
void display(void)
{
printf("\n");
if (front > rear)
{
for (i = front; i < SIZE; i++)
{
printf("%d ", queue[i]);
}
for (i = 0; i <= rear; i++)
printf("%d ", queue[i]);
}
else
{
for (i = front; i <= rear; i++)
printf("%d ", queue[i]);
}
}
|
the_stack_data/2211.c | /*-------------------------------------------------------------------------
_strncpy.c - part of string library functions
Copyright (C) 1999, Sandeep Dutta . [email protected]
This library 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, or (at your option) any
later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library; see the file COPYING. If not, write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
As a special exception, if you link this library with other files,
some of which are compiled with SDCC, to produce an executable,
this library does not by itself cause the resulting executable to
be covered by the GNU General Public License. This exception does
not however invalidate any other reasons why the executable file
might be covered by the GNU General Public License.
kio 2014-11-16 removed #if and #undef
kio 2014-11-26 this file is not used because lib/string.h defines strncpy as __builtin_strncpy()
-------------------------------------------------------------------------*/
#include <string.h>
// #undef strncpy /* Avoid conflict with builtin strncpy() in Z80 and some related ports */
char *strncpy ( char * d, const char * s, size_t n )
{
register char * d1 = d;
while ( n && *s )
{
n-- ;
*d++ = *s++ ;
}
while ( n-- )
{
*d++ = '\0' ;
}
return d1;
}
|
the_stack_data/29825744.c | /**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Benchmark Cephes `igami`.
*/
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <sys/time.h>
#define NAME "gammaincinv"
#define ITERATIONS 100000
#define REPEATS 3
/**
* Define prototypes for external functions.
*/
extern double igami( double x, double y );
/**
* Prints the TAP version.
*/
void print_version() {
printf( "TAP version 13\n" );
}
/**
* Prints the TAP summary.
*
* @param total total number of tests
* @param passing total number of passing tests
*/
void print_summary( int total, int passing ) {
printf( "#\n" );
printf( "1..%d\n", total ); // TAP plan
printf( "# total %d\n", total );
printf( "# pass %d\n", passing );
printf( "#\n" );
printf( "# ok\n" );
}
/**
* Prints benchmarks results.
*
* @param elapsed elapsed time in seconds
*/
void print_results( double elapsed ) {
double rate = (double)ITERATIONS / elapsed;
printf( " ---\n" );
printf( " iterations: %d\n", ITERATIONS );
printf( " elapsed: %0.9f\n", elapsed );
printf( " rate: %0.9f\n", rate );
printf( " ...\n" );
}
/**
* Returns a clock time.
*
* @return clock time
*/
double tic() {
struct timeval now;
gettimeofday( &now, NULL );
return (double)now.tv_sec + (double)now.tv_usec/1.0e6;
}
/**
* Generates a random double on the interval [0,1].
*
* @return random double
*/
double rand_double() {
int r = rand();
return (double)r / ( (double)RAND_MAX + 1.0 );
}
/**
* Runs a benchmark.
*
* @return elapsed time in seconds
*/
double benchmark() {
double elapsed;
double x;
double y;
double z;
double t;
int i;
t = tic();
for ( i = 0; i < ITERATIONS; i++ ) {
x = ( 1000.0*rand_double() ) + 0.1;
y = ( 0.5*rand_double() );
z = igami( x, y );
if ( z != z ) {
printf( "should not return NaN\n" );
break;
}
}
elapsed = tic() - t;
if ( z != z ) {
printf( "should not return NaN\n" );
}
return elapsed;
}
/**
* Main execution sequence.
*/
int main( void ) {
double elapsed;
int i;
// Use the current time to seed the random number generator:
srand( time( NULL ) );
print_version();
for ( i = 0; i < REPEATS; i++ ) {
printf( "# c::cephes::%s\n", NAME );
elapsed = benchmark();
print_results( elapsed );
printf( "ok %d benchmark finished\n", i+1 );
}
print_summary( REPEATS, REPEATS );
}
|
the_stack_data/193893692.c | #include <stdio.h>
#include <stdlib.h>
#include <errno.h>
void fail(char* arg0, char* err) {
printf("Reverse the order of bytes in a 32-bit word.\n");
printf("usage: %s bytes_per_word in_file out_file\n", arg0);
printf("or print out (watch out for binary): %s bytes_per_word in_file\n", arg0);
printf("or use streams (watch out for EOF): %s bytes_per_word\n", arg0);
fprintf(stderr, "%s; errno = %d\n", err, errno);
exit(1);
}
int main(int argc, char** argv) {
FILE *in = stdin;
FILE *out = stdout;
unsigned long itr = 0;
unsigned char* stack;
int word_size, bytes_read, i;
// Fail if word size is not given
if ((argc < 2) | (argc > 4)) fail(argv[0], "see usage");
word_size = atoi(argv[1]);
// Choose to read from file instead of stdin if arg1 is given
if (argc >2) {
in = fopen(argv[2], "rb");
if (!in) fail(argv[0], "failed to open infile");
}
// Choose to write to file instead of stdout if arg2 is given
if (argc > 3) {
out = fopen(argv[3], "wb");
if (!out) fail(argv[0], "failed to open outfile");
}
// Byte stack
stack = (unsigned char*)malloc(word_size);
if (!stack) fail(argv[0], "failed to allocate byte stack");
// Process entire file / stream
while (word_size == (bytes_read = fread(stack, 1, word_size, in))) {
// Stack now contains a full word. Write it to out byte by byte
for (i=word_size-1; i>=0; i--){
if (1 != fwrite(stack+i, 1, 1, out)) fprintf(stderr, "Failed to write a byte :(\n");
}
}
// Close the buffers used. This is safe for stdin, stdout
fclose(in);
fclose(out);
}
|
the_stack_data/271391.c | struct _IO_FILE_plus;
extern struct _IO_FILE_plus _IO_2_1_stdin_;
extern struct _IO_FILE_plus _IO_2_1_stdout_;
|
the_stack_data/32951445.c | #include<stdio.h>
/*Write a program to take two numbers A and B as input from the user and
print the number less than A which completely divides the number
For example:
A = 23, B = 7
For 23 % 7:: 21 is the number which is completely divisible by B i.e, 7.
A = 13, B = 5
For 13 % 5:: 10 is the number which is completely divisible by B i.e, 5.
*/
int main(){
int a,b,c;
printf("enter ther first number \n");
scanf("%d",&a);
printf("enter ther scond number \n");
scanf("%d",&b);
c = (a % b);
c = a - c ;
if(c % b == 0){
printf("%d is the number which is completely divisible by %d nmber \n",c,b);
}else{
printf("enter the valid number \n");
}
return 0;
} |
the_stack_data/679831.c | /* _______ ____ __ ___ ___
* \ _ \ \ / \ / \ \ / / ' ' '
* | | \ \ | | || | \/ | . .
* | | | | | | || ||\ /| |
* | | | | | | || || \/ | | ' ' '
* | | | | | | || || | | . .
* | |_/ / \ \__// || | |
* /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
* / \
* / . \
* packfile.c - Packfile input module. / / \ \
* | < / \_
* By entheh. | \/ /\ /
* \_ / > /
* Note that this does not use file compression; | \ / /
* for that you must open the file yourself and | ' /
* then use dumbfile_open_packfile(). \__/
*/
#ifdef USE_ALLEGRO
#include <allegro.h>
#include "aldumb.h"
static void *dumb_packfile_open(const char *filename)
{
return pack_fopen(filename, F_READ);
}
static int dumb_packfile_skip(void *f, long n)
{
return pack_fseek(f, n);
}
static int dumb_packfile_getc(void *f)
{
return pack_getc(f);
}
static long dumb_packfile_getnc(unsigned char *ptr, long n, void *f)
{
return pack_fread(ptr, n, f);
}
static void dumb_packfile_close(void *f)
{
pack_fclose(f);
}
static DUMBFILE_SYSTEM packfile_dfs = {
&dumb_packfile_open,
&dumb_packfile_skip,
&dumb_packfile_getc,
&dumb_packfile_getnc,
&dumb_packfile_close
};
void dumb_register_packfiles(void)
{
register_dumbfile_system(&packfile_dfs);
}
static DUMBFILE_SYSTEM packfile_dfs_leave_open = {
NULL,
&dumb_packfile_skip,
&dumb_packfile_getc,
&dumb_packfile_getnc,
NULL
};
DUMBFILE *dumbfile_open_packfile(PACKFILE *p)
{
return dumbfile_open_ex(p, &packfile_dfs_leave_open);
}
DUMBFILE *dumbfile_from_packfile(PACKFILE *p)
{
return p ? dumbfile_open_ex(p, &packfile_dfs) : NULL;
}
#endif
|
the_stack_data/247019530.c | #include <stdio.h>
int wcount(char*);
int main()
{
char s[256];
int d;
gets(s);
d = wcount(s);
printf("%d", d);
}
int wcount(char *s)
{
int i, q, t, k;
t = 1;
q = 0;
i = 0;
while (s[i] == ' ')
{
i++;;
}
if ((s[i] == '/n') || (s[i] == EOF)) return 0;
else
{
while (( s[i] != '\n' ) || (s[i] != EOF))
{
if (s[i] != ' ') t = 1;
else if (t == 1)
{
t = 0;
q++;
}
i++;
}
k = q + 1;
if (((s[i] != EOF) || (s[i] != '/n')) && (t == 1)) return k;
else return q;
}
}
|
the_stack_data/30407.c | #include <stdio.h>
#include <stdlib.h>
typedef struct {
char *name;
int size;
void (*(*_vtable)[])();
} metadata;
typedef struct {
metadata *clazz;
} object;
object *alloc(metadata *clazz) {
object *p = calloc(1, clazz->size); // wipe to 0s
p->clazz = clazz;
return p;
}
// D e f i n e C l a s s Animal
typedef struct {
metadata *clazz;
int ID;
} Animal;
void (*Animal_vtable[])() = {
};
metadata Animal_metadata = {"Animal", sizeof(Animal), &Animal_vtable};
// D e f i n e C l a s s Dog
typedef struct {
metadata *clazz;
int ID;
} Dog;
void (*Dog_vtable[])() = {
};
metadata Dog_metadata = {"Dog", sizeof(Dog), &Dog_vtable};
// D e f i n e C l a s s Pekinese
typedef struct {
metadata *clazz;
int ID;
} Pekinese;
void (*Pekinese_vtable[])() = {
};
metadata Pekinese_metadata = {"Pekinese", sizeof(Pekinese), &Pekinese_vtable};
int main(int argc, char *argv[])
{
Pekinese * d;
d = ((Pekinese *)alloc(&Pekinese_metadata));
d->ID = 5;
printf("%d\n", d->ID);
return 0;
} |
the_stack_data/496221.c | #include<stdio.h>
int main(){
float media_prova, media_trabalho, media_final;
printf("Coloque a media da prova: ");
scanf("%f",&media_prova);
printf("Coloque a media do trabalho: ");
scanf("%f",&media_trabalho);
if(media_trabalho > 5 && media_trabalho > 5){
media_final = (media_trabalho+media_prova)/2;
}
else{
if(media_prova<=media_trabalho){
media_final = media_prova;
}
else if(media_trabalho<=media_prova){
media_final = media_trabalho;
}
}
printf("Sua media final eh %f", media_final);
} |
the_stack_data/17341.c | #include <stdio.h>
int main () {
int n, i;
scanf("%d", &n);
for (i=1; i <= n; i++) {
if (n % i == 0) printf("%d\n", i);
}
return 0;
}
|
the_stack_data/1181067.c | /*
* $Id: help.c,v 1.3 2012/12/04 02:01:10 tom Exp $
*
* help.c -- implements the help dialog
*
* Copyright 2011,2012 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.
*/
#include <dialog.h>
/*
* Display a help-file as a textbox widget.
*/
int
dialog_helpfile(const char *title,
const char *file,
int height,
int width)
{
int result = DLG_EXIT_ERROR;
DIALOG_VARS save;
if (!dialog_vars.in_helpfile && file != 0 && *file != '\0') {
dlg_save_vars(&save);
dialog_vars.no_label = NULL;
dialog_vars.ok_label = NULL;
dialog_vars.help_button = FALSE;
dialog_vars.extra_button = FALSE;
dialog_vars.nook = FALSE;
dialog_vars.in_helpfile = TRUE;
result = dialog_textbox(title, file, height, width);
dlg_restore_vars(&save);
}
return (result);
}
|
the_stack_data/95450236.c | #include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>
#include <sys/ioctl.h>
#define TEMP 0
#define HUMI 1
void calc_sht11(float *p_humidity,float *p_temprature)
{
const float C1=-0.40;
const float C2=0.0405;
const float C3=-0.0000028;
const float T1=0.01;
const float T2=0.00008;
float rh=*p_humidity;
float t=*p_temprature;
float rh_lin;
float rh_true;
float t_C;
t_C=t*0.01-40;
rh_lin=C3*rh*rh+C2*rh+C1;
rh_true=(t_C-25)*(T1+T2*rh)+rh_lin;
if(rh_true>100)rh_true=100;
if(rh_true<0.1)rh_true=0.1;
*p_temprature=t_C;
*p_humidity=rh_true;
}
float calc_dewpoint(float h,float t)
{
float k,dew_point;
k=(log10(h)-2)/0.4343+(17.62*t)/(243.12+t);
dew_point=243.12*k/(17.62-k);
return dew_point;
}
void delay(int time)
{
int i;
for(i=0;i<time*1000;)
i++;
}
int main(void)
{
int fd,ret,i;
unsigned int value_t=0;
unsigned int value_h=0;
float fvalue_t,fvalue_h;
float dew_point;
fd = open("/dev/sht11",0);
if(fd<0)
{
printf("open /dev/sht11 error!\n");
return -1;
}
for(;;)
{
fvalue_t=0.0,fvalue_h=0.0;value_t=0;value_h=0;
ioctl(fd,0);
ret=read(fd,&value_t,sizeof(value_t));
if(ret<0)
{
printf("read err!\n");
continue;
}
sleep(1);
value_t=value_t&0x3fff;
//printf("value_t=%d\n",value_t);
fvalue_t=(float)value_t;
ioctl(fd,1);
ret=read(fd,&value_h,sizeof(value_h));
// printf("value_h=%d\n",value_h);
sleep(1);
if(ret<0)
{
printf("read err!\n");
continue;
}
value_h=value_h&0xfff;
fvalue_h=(float)value_h;
calc_sht11(&fvalue_h,&fvalue_t);
dew_point=calc_dewpoint(fvalue_h,fvalue_t);
printf("temp:%fc humi:%f%% dew point:%fc\n",fvalue_t,fvalue_h,dew_point);
sleep(1);
}
}
|
the_stack_data/126703864.c | #include <stdio.h>
int main (void)
{
int X,Y,Z,W;
int A,B,Min;
scanf("%d %d %d %d",&X,&Y,&Z,&W);
A = abs(Z-X);
B = abs(W-Y);
Min = A+B;
printf("%d\n",Min);
return 0;
}
|
the_stack_data/100140372.c | #include <stdio.h>
#include <stdlib.h>
#include <math.h>
long double * descente(long double * A,long double * B, int n){
long double * X=malloc(n*sizeof(long double));
X[0]=B[0]/A[0];
for(int i=1;i<n;++i){
X[i]=B[i];
for(int j=0;j<i;++j){
X[i]-=A[n*i+j]*X[j];
}
X[i]/=A[n*i+i];
}
return X;
}
long double * remontee(long double * A,long double * B, int n){
long double * X=malloc(n*sizeof(long double));
X[n-1]=B[n-1]/A[(n-1)*n + n-1];
for(int i=n-2;i!=-1;--i){
X[i]=B[i];
for(int j=i+1;j<n;++j){
X[i]-=A[n*i+j]*X[j];
}
X[i]/=A[n*i+i];
}
return X;
}
long double * Cholesky(long double * A,long double * B,int n){
long double C[n*n],CT[n*n];
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
C[i*n+j]=(i==j) ? 1 : 0;
CT[i*n+j]=(i==j) ? 1 : 0;
}
}
long double sum;
for(int i=0;i<n;i++){
for(int j=0;j<i+1;j++){
if(i==j){
sum=0;
for(int k=0;k<i;k++){
sum+=C[i*n+k]*C[i*n+k];
}
C[i*n+i]=sqrt(A[i*n+i]-sum);
}
else{
sum=0;
for(int k=0;k<j;k++){
sum+=C[i*n+k]*C[j*n+k];
}
C[i*n+j]=A[i*n+j]-sum;
C[i*n+j]/=C[j*n+j];
}
}
}
for(int i=0;i<n;i++){
for(int j=0;j<i+1;j++){
CT[j*n+i]=C[i*n+j];
}
}
long double *x1=malloc(n*sizeof(long double)),*x2=malloc(n*sizeof(long double));
x1=descente(C,B,n);
x2=remontee(CT,x1,n);
return x2;
}
int main()
{
int n;
printf("Enter the size of the matrix: ");
scanf("%d", &n);
long double *x=malloc(n*sizeof(long double));
/*
printf("Filling the matrix A\n");
for(int i = 0; i < n; i++)
{
for(int j = 0; j < n; j++)
{
printf("A[%d][%d] = ", i, j);
scanf("%Lf", &A[i*n+j]);
}
}
printf("Filling the matrix B\n");
for (int i = 0; i < n; i++)
{
printf("B[%d] = ", i);
scanf("%Lf", &B[i]);
}*/
long double A[16]={4,-6,8,2,
-6,10,-15,-3,
8,-15,26,-1,
2,-3,-1,62};
long double B[4]={-6,6,-1,-13};
/* The calculation of the result */
x = Cholesky(A,B,n);
/* Printing the results */
printf("\nThe resulting vector: [");
for (int i = 0; i < n; i++)
printf("%Lf%c", x[i], ",]"[i == n - 1]);
return (0);
} |
the_stack_data/92324310.c | //Question 5:
//Input two integer numbers and divide the larger number by the smaller one. Then display the
//result using printf() function as a fractional number first and then as a real valued number.
//(Example: 9 divided by 5 shall yield “ 4/5” and “1.8” respectively. )
#include <stdio.h>
void main()
{
printf("ENTER TWO NUMBERS\n");
int a=0,b=0, max=0, min=0;
scanf("%d", &a);
scanf("%d", &b);
if(a>b)
{
max=a;
min=b;
}
else
{
max=b;
min=a;
}
if(max%min==0)
{
int x=max/min;
float y=max/min;
printf("%d\n", x);
printf("%f\n", y);
}
else
{
int x=max%min;
float y= (float)max/(float) min;
printf("%d / %d\n", x, min);
printf("%f\n", y);
}
}
|
the_stack_data/248613.c | #include <stdio.h>
int main() {
printf("Hello World");
} |
the_stack_data/93887847.c | #include <stdio.h>
#include <stdlib.h>
void primeTest(int num) {
int i = 2;
while (i < num && num % i++)
;
if (i == num) {
printf("%d", num);
}
}
int main(int argc, char const *argv[]) {
int num;
printf("Szam: ");
scanf("%d", &num);
primeTest(num);
return 0;
}
/*void csere(int first, int second) {
int temp;
if (first > second) {
temp = first;
first = second;
second = temp;
}
printf("a: %d, b: %d\n", first, second);
}*/
/*void max(float db2) {
int temp, min, max, sum;
printf("1. szam: ");
scanf("%d", &temp);
max = temp;
min = temp;
sum = temp;
for (int i = 2; i <= db2; i++) {
printf("%d. szam: ", i);
scanf("%d", &temp);
sum += temp;
if (temp > max) {
max = temp;
}
if (temp < min) {
min = temp;
}
}
// printf("Legnagyobb szam: %d\nLegkisebb szam: %d\n", max, min);
// printf("Max diff: %d\n", max - min);
printf("Atlag: %f", sum / db2);
}*/
/*int main(int argc, char const *argv[]) {
int db;
printf("DB: ");
scanf("%d", &db);
max(db);
int a, b;
printf("a: ");
scanf("%d", &a);
printf("b: ");
scanf("%d", &b);
csere(a, b);
return 0;
}*/
|
the_stack_data/581090.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
char PROJECT_DIR[] = "C:/Users/Jan/Dropbox/_Coding/UdemyC/";
int main()
{
char output_filepath[100] = {'\0'};
strncpy(output_filepath, PROJECT_DIR, 100);
strncat(output_filepath, "Chapter11_Files/ContentChapter11/Exercise/InputData.txt", 60);
return 0;
}
|
the_stack_data/92325098.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define FLAGFILE "flag.txt"
void mania(void)
{
puts("WELCOME TO THE RING!");
char flag[40];
FILE *fp = fopen(FLAGFILE, "r");
if (fp == NULL)
{
perror(FLAGFILE);
return;
}
fgets(flag, sizeof(flag), fp);
fclose(fp);
printf("%s\n", flag);
}
void welcome(void)
{
char key[10];
puts("Welcome to WrestleMania! Type in key to get access.");
printf("addr of welcome(): %p\n", welcome);
scanf("%s", key); // Unbounded SCANF(3)
}
int main(void)
{
welcome();
puts("Sadly, as a result Captn Overflow won't be entering the ring yet...");
return 0;
}
|
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