psRandom.h File Reference

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Detailed Description

Random Number Generators.

This file will hold the prototypes for procedures which allocate, free, and evaluate random number Generators.

Author:

GLG, MHPCC

Version:

Revision

1.7

Name

rel7

Date:

Date

2005/08/23 23:23:05

Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii

Definition in file psRandom.h.

#include <stdio.h>
#include <stdbool.h>
#include <float.h>
#include <math.h>
#include "psVector.h"
#include "psScalar.h"
#include <gsl/gsl_rng.h>
#include <gsl/gsl_randist.h>

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Enumerations
enum	psRandomType { PS_RANDOM_TAUS }
	Enumeration containing a flag for psRandom types. More...
Functions
psU64	p_psRandomGetSystemSeed ()
psRandom *	psRandomAlloc (psRandomType type, unsigned long seed)
	Allocates a psRandom struct.
void	psRandomReset (psRandom *rand, unsigned long seed)
	Resets an existing psRandom struct.
double	psRandomUniform (const psRandom *r)
	Random number generator based on a uniform distribution on [0,1).
double	psRandomGaussian (const psRandom *r)
	Random number generator based on a Gaussian deviate, N(0,1).
double	p_psRandomGaussian (const psRandom *r, double sigma)
	Random number generator based on a Gaussian deviate, N(0,1).
double	psRandomPoisson (const psRandom *r, double mean)
	Random number generator based on a Poisson distribution with the given mean.

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