logistic_rand.c File Reference

A Random Number Generator based on coupled chaotic Logistic lattice. More...

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

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Defines
#define	R_PI 0.318309886183791f
#define	INIT_LOGISTIC 100
#define	INIT_MULT 1812433253u
#define	FUN(x) (4.f(x)(1.f-(x)))
#define	NU 1e-8f
#define	NU2 (1.f-2.f*NU)
#define	MIN_INVERSE_LIMIT 1e-7f
#define	logistic_uniform(v) (acosf(1.f-2.f(v))R_PI)
#define	R_MAX_C_RAND (0.5f/RAND_MAX)
#define	LOG_MT_MAX 22.1807097779182f
#define	RING_FUN(x, y, z) (NU2(x)+NU((y)+(z)))
Functions
__device__ void	logistic_step (RandType t, RandType tnew, int len_1)
__device__ void	rand_need_more (RandType t[RAND_BUF_LEN], RandType tbuf[RAND_BUF_LEN])
__device__ void	logistic_init (RandType t, RandType tnew, uint n_seed[], uint idx)
__device__ RandType	rand_uniform01 (RandType v)
__device__ void	rng_init (RandType t[RAND_BUF_LEN], RandType tnew[RAND_BUF_LEN], uint *n_seed, int idx)
__device__ float	rand_next_scatlen (RandType t[RAND_BUF_LEN])
__device__ float	rand_next_aangle (RandType t[RAND_BUF_LEN])
__device__ float	rand_next_zangle (RandType t[RAND_BUF_LEN])
__device__ float	rand_next_reflect (RandType t[RAND_BUF_LEN])
__device__ float	rand_do_roulette (RandType t[RAND_BUF_LEN])

Detailed Description

A Random Number Generator based on coupled chaotic Logistic lattice.

A Pseudo-RNG using the SIMD-oriented Fast Mersenne Twister (SFMT) * *