source: tests/utils_tests.h @ da632d3

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since da632d3 was da632d3, checked in by Paul Brossier <piem@piem.org>, 3 years ago

tests/utils_tests.h: also use custom srandom/random when compiling with -std=c99

  • Property mode set to 100644
File size: 1.5 KB
Line 
1#include <time.h>
2#include <stdlib.h>
3#include <stdio.h>
4#include <math.h>
5#include <assert.h>
6#include "config.h"
7
8#ifdef HAVE_C99_VARARGS_MACROS
9#define PRINT_ERR(...)   fprintf(stderr, "AUBIO-TESTS ERROR: " __VA_ARGS__)
10#define PRINT_MSG(...)   fprintf(stdout, __VA_ARGS__)
11#define PRINT_DBG(...)   fprintf(stderr, __VA_ARGS__)
12#define PRINT_WRN(...)   fprintf(stderr, "AUBIO-TESTS WARNING: " __VA_ARGS__)
13#else
14#define PRINT_ERR(format, args...)   fprintf(stderr, "AUBIO-TESTS ERROR: " format , ##args)
15#define PRINT_MSG(format, args...)   fprintf(stdout, format , ##args)
16#define PRINT_DBG(format, args...)   fprintf(stderr, format , ##args)
17#define PRINT_WRN(format, args...)   fprintf(stderr, "AUBIO-TESTS WARNING: " format, ##args)
18#endif
19
20#ifndef M_PI
21#define M_PI         (3.14159265358979323846)
22#endif
23
24#ifndef RAND_MAX
25#define RAND_MAX 32767
26#endif
27
28// are we on windows ? or are we using -std=c99 ?
29#if defined(HAVE_WIN_HACKS) || defined(__STRICT_ANSI__)
30// http://en.wikipedia.org/wiki/Linear_congruential_generator
31// no srandom/random on win32
32
33uint_t srandom_seed = 1029;
34
35void srandom(uint_t new_seed) {
36    srandom_seed = new_seed;
37}
38
39uint_t random(void) {
40    srandom_seed = 1664525 * srandom_seed + 1013904223;
41    return srandom_seed;
42}
43#endif
44
45void utils_init_random (void);
46
47void utils_init_random (void) {
48  time_t now = time(0);
49  struct tm *tm_struct = localtime(&now);
50  int seed = tm_struct->tm_sec;
51  //PRINT_WRN("current seed: %d\n", seed);
52  srandom (seed);
53}
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