1 files changed, 53 insertions, 0 deletions
diff --git a/tests/utils_tests.h b/tests/utils_tests.h
new file mode 100644
index 0000000..97d5297
--- /dev/null
+++ b/tests/utils_tests.h
@@ -0,0 +1,53 @@
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <assert.h>
+#include "config.h"
+
+#ifdef HAVE_C99_VARARGS_MACROS
+#define PRINT_ERR(...)   fprintf(stderr, "AUBIO-TESTS ERROR: " __VA_ARGS__)
+#define PRINT_MSG(...)   fprintf(stdout, __VA_ARGS__)
+#define PRINT_DBG(...)   fprintf(stderr, __VA_ARGS__)
+#define PRINT_WRN(...)   fprintf(stderr, "AUBIO-TESTS WARNING: " __VA_ARGS__)
+#else
+#define PRINT_ERR(format, args...)   fprintf(stderr, "AUBIO-TESTS ERROR: " format , ##args)
+#define PRINT_MSG(format, args...)   fprintf(stdout, format , ##args)
+#define PRINT_DBG(format, args...)   fprintf(stderr, format , ##args)
+#define PRINT_WRN(format, args...)   fprintf(stderr, "AUBIO-TESTS WARNING: " format, ##args)
+#endif
+
+#ifndef M_PI
+#define M_PI         (3.14159265358979323846)
+#endif
+
+#ifndef RAND_MAX
+#define RAND_MAX 32767
+#endif
+
+// are we on windows ? or are we using -std=c99 ?
+#if defined(HAVE_WIN_HACKS) || defined(__STRICT_ANSI__)
+// http://en.wikipedia.org/wiki/Linear_congruential_generator
+// no srandom/random on win32
+
+uint_t srandom_seed = 1029;
+
+void srandom(uint_t new_seed) {
+    srandom_seed = new_seed;
+}
+
+uint_t random(void) {
+    srandom_seed = 1664525 * srandom_seed + 1013904223;
+    return srandom_seed;
+}
+#endif
+
+void utils_init_random (void);
+
+void utils_init_random (void) {
+  time_t now = time(0);
+  struct tm *tm_struct = localtime(&now);
+  int seed = tm_struct->tm_sec;
+  //PRINT_WRN("current seed: %d\n", seed);
+  srandom (seed);
+}