26 lines
368 B
C
26 lines
368 B
C
|
|
#ifndef __RNG_H__
|
|
#define __RNG_H__
|
|
|
|
struct rng_ctx {
|
|
int32_t iy;
|
|
int32_t iv[32]; /* shuffle array */
|
|
int32_t seed;
|
|
};
|
|
|
|
|
|
void
|
|
rng_init(struct rng_ctx *ctx);
|
|
|
|
int32_t
|
|
rng_rand(struct rng_ctx *ctx);
|
|
|
|
int32_t
|
|
rng_rand_range(struct rng_ctx *ctx, int32_t min, int32_t max);
|
|
|
|
void
|
|
rng_shuffle_int(struct rng_ctx *ctx, int *values, int len);
|
|
|
|
#endif /* !__RNG_H__ */
|
|
|