source/kit/mersenne_twister_64.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

#ifndef KIT_MERSENNE_TWISTER_64_H
#define KIT_MERSENNE_TWISTER_64_H

#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

enum {
  KIT_MT64_N = 312,
};

typedef struct {
  uint64_t mt[KIT_MT64_N];
  uint64_t index;
} kit_mt64_state_t;

void     kit_mt64_init_array(kit_mt64_state_t *state, ptrdiff_t size,
                             uint64_t const *seed);
void     kit_mt64_init(kit_mt64_state_t *state, uint64_t seed);
void     kit_mt64_rotate(kit_mt64_state_t *state);
uint64_t kit_mt64_generate(kit_mt64_state_t *state);

#ifndef KIT_DISABLE_SHORT_NAMES
#  define mt64_state_t kit_mt64_state_t
#  define mt64_init_array kit_mt64_init_array
#  define mt64_init kit_mt64_init
#  define mt64_rotate kit_mt64_rotate
#  define mt64_generate kit_mt64_generate
#endif

#ifdef __cplusplus
}
#endif

#endif