| | |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | #include <math.h> |
| | | #include <assert.h> |
| | | #include <unistd.h> |
| | | #include <float.h> |
| | | #include <limits.h> |
| | |
| | | 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; |
| | | } |
| | |
| | | void error(const char *s) |
| | | { |
| | | perror(s); |
| | | exit(0); |
| | | assert(0); |
| | | exit(-1); |
| | | } |
| | | |
| | | void malloc_error() |
| | |
| | | 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() |