src/bz/math/random.h

   1 #ifndef BZ_MATH_RANDOM_H
   2 #define BZ_MATH_RANDOM_H
   3
   4 #include <bz/types/common.h>
   5
   6 #ifdef __cplusplus
   7 extern "C" {
   8 #endif
   9
  10 extern float bzRandomFloat(float max);
  11 extern float bzRandomFloatRange(float v1, float v2);
  12 extern uint32_t bzRandomInteger(uint32_t max);
  13 extern int32_t bzRandomIntegerRange(int32_t v1, int32_t v2);
  14 extern void *bzRandomArrayValue(size_t count, size_t arrayTypeSize, void *array);
  15 //extern void *bzRandomArrayValue(pcg32_random_t *rng, size_t count, size_t arrayTypeSize, void *array);
  16
  17 extern void bzRandomReseed(uint64_t seed);
  18
  19 #define bzRandom(T, ...) (*((T *)bzRandomArrayValue(sizeof((T[]){__VA_ARGS__})/sizeof(T), sizeof(T), (T[]){__VA_ARGS__})))
  20
  21 #ifdef __cplusplus
  22 }
  23 #endif
  24
  25 #endif