This commit is contained in:
Joseph Redmon
2016-02-29 13:54:12 -08:00
parent 23955b9fa0
commit 16d06ec0db
30 changed files with 1453 additions and 148 deletions

View File

@ -2,6 +2,7 @@
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include <unistd.h>
#include <float.h>
#include <limits.h>
@ -137,15 +138,18 @@ void pm(int M, int N, float *A)
char *find_replace(char *str, char *orig, char *rep)
{
static char buffer[4096];
static char buffer2[4096];
static char buffer3[4096];
char *p;
if(!(p = strstr(str, orig))) // Is 'orig' even in 'str'?
return str;
strncpy(buffer, str, p-str); // Copy characters from 'str' start to 'orig' st$
buffer[p-str] = '\0';
strncpy(buffer2, str, p-str); // Copy characters from 'str' start to 'orig' st$
buffer2[p-str] = '\0';
sprintf(buffer+(p-str), "%s%s", rep, p+strlen(orig));
sprintf(buffer3, "%s%s%s", buffer2, rep, p+strlen(orig));
sprintf(buffer, "%s", buffer3);
return buffer;
}
@ -174,7 +178,8 @@ void top_k(float *a, int n, int k, int *index)
void error(const char *s)
{
perror(s);
exit(0);
assert(0);
exit(-1);
}
void malloc_error()
@ -450,6 +455,12 @@ int max_index(float *a, int n)
return max_i;
}
int rand_int(int min, int max)
{
int r = (rand()%(max - min + 1)) + min;
return r;
}
// From http://en.wikipedia.org/wiki/Box%E2%80%93Muller_transform
#define TWO_PI 6.2831853071795864769252866
float rand_normal()