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/* MIT License - Copyright (c) 2025 wallstop
* Original C# implementation from: https://github.com/wallstop/unity-helpers
* Converted to C for librandom project
*/
#ifndef WY_RANDOM_H
#define WY_RANDOM_H
#include <stdint.h>
#include <stdbool.h>
/* WyRandom: A wyhash-inspired PRNG variant leveraging multiply-mix operations.
*
* Designed around 64-bit multiply-and-mix steps, this generator is fast and
* suitable for general-purpose randomness and hashing-like use cases.
*
* Pros:
* - Fast and simple; good distribution for typical gameplay uses
* - Deterministic across platforms
*
* Cons:
* - Not cryptographically secure
*/
typedef struct {
uint64_t state;
} wy_random_t;
/* Initialize the generator with a seed */
void wy_init(wy_random_t *rng, uint64_t seed);
/* Generate next random 32-bit unsigned integer */
uint32_t wy_next_uint(wy_random_t *rng);
/* Generate next random 64-bit unsigned integer */
uint64_t wy_next_ulong(wy_random_t *rng);
/* Generate next random float in [0, 1) */
float wy_next_float(wy_random_t *rng);
/* Generate next random double in [0, 1) */
double wy_next_double(wy_random_t *rng);
#endif /* WY_RANDOM_H */
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