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#ifndef RESTRICT
#if defined (__cplusplus) && !defined( _MSC_VER) && !defined( __WATCOMC__)
#define RESTRICT __restrict
#else
#define RESTRICT
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif /* #ifdef __cplusplus */
void init_mt64( const uint64_t seed, uint64_t *mt);
void init_mt64_by_array( const uint64_t init_key[],
const uint64_t key_length, uint64_t *mt);
uint64_t mt64( uint64_t * RESTRICT mt);
uint64_t mt64_get_bits( uint64_t *mt, const int n_bits);
double mt64_double( uint64_t * RESTRICT mt);
#ifdef __cplusplus
}
#endif /* #ifdef __cplusplus */
/* An MT-64 state contains 312 64-bit values for the actual PRNG; */
/* plus an index value telling us where we are within the */
/* "cycle", ranging from 1 to 312; plus a value telling us how */
/* many leftover bits are stored for use in the mt64_get_bits() */
/* function; plus the (up to) 64 bits actually stored. That */
/* means we need an array of 312 + 1 + 1 + 1 = 315 int64_ts. */
#define MT_STATE_SIZE 315
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