40 lines
671 B
C
40 lines
671 B
C
/**
|
|
* Tiny Mersenne Twister
|
|
*/
|
|
|
|
#ifndef TINYMT_RAND_H_
|
|
#define TINYMT_RAND_H_
|
|
|
|
|
|
|
|
/**
|
|
* tinymt32 internal state vector and parameters
|
|
*/
|
|
typedef struct {
|
|
uint32_t status[4];
|
|
uint32_t mat1;
|
|
uint32_t mat2;
|
|
uint32_t tmat;
|
|
} tinymt32_t;
|
|
|
|
|
|
|
|
extern tinymt32_t tinymt32_s;
|
|
|
|
|
|
|
|
void tinymt32_init(tinymt32_t *s, uint32_t seed);
|
|
uint32_t tinymt32_get_uint32(tinymt32_t* s);
|
|
|
|
#define prng_get8() (tinymt32_get_uint32(&tinymt32_s) & 0xff)
|
|
#define prng_get16() (tinymt32_get_uint32(&tinymt32_s) & 0xffff)
|
|
#define prng_get32() tinymt32_get_uint32(&tinymt32_s)
|
|
|
|
|
|
|
|
uint16_t prng_scale16(uint16_t min, uint16_t max);
|
|
|
|
|
|
|
|
#endif /* TINYMT_RAND_H */
|