mmc_rand_sfmt.h File Reference

An interface to use the SFMT-19937 random number generator. More...

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

Include dependency graph for mmc_rand_sfmt.h:

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Macros
#define	__device__   static inline
#define	MCX_RNG_NAME   "xorshift128+ RNG"
#define	RAND_BUF_LEN   1248
#define	RAND_SEED_WORD_LEN   2
#define	MEXP   19937

Typedefs
typedef unsigned int	RandType
typedef unsigned int	uint

Functions
__device__ void	rng_init (RandType t[RAND_BUF_LEN], RandType tnew[RAND_BUF_LEN], uint *n_seed, int idx)
__device__ void	rand_need_more (RandType t[RAND_BUF_LEN], RandType tbuf[RAND_BUF_LEN])
__device__ float	rand_next_scatlen (RandType t[RAND_BUF_LEN])
	generate [0,1] random number for the next scattering length
__device__ float	rand_next_aangle (RandType t[RAND_BUF_LEN])
	generate [0,1] random number for the next arimuthal angle
__device__ float	rand_next_zangle (RandType t[RAND_BUF_LEN])
	generate random number for the next zenith angle
__device__ float	rand_next_reflect (RandType t[RAND_BUF_LEN])
	generate random number for reflection test
__device__ float	rand_do_roulette (RandType t[RAND_BUF_LEN])
	generate random number for the next zenith angle

Detailed Description

An interface to use the SFMT-19937 random number generator.