#ifndef LICHEN_H
#define LICHEN_H

#include <stdint.h>

// random number generation
typedef struct li_rand32_t {
  uint32_t (*rand)(void *);
  void *state;
} li_rand32_t;


struct li_xorshift32_t {
  li_rand32_t generator;
  uint64_t state;
};

// initialize an xorshift32 struct with a specific seed
void li_xorshift32_seed(struct li_xorshift32_t *xor, uint32_t seed);
// get a pseudo-random number via the xorshift algorithm
uint32_t li_xorshift32(void *s);


#endif