/**
 * 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 */