pdsgaussian.h

/*
 * pdsgaussian.h
 * 
 * Copyright 2011 Fernando Pujaico Rivera <fernando.pujaico.rivera@gmail.com>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */

#ifndef __PDSGAUSSIAN_H__
#define __PDSGAUSSIAN_H__

#include <stdio.h>
#include <pds/pdsrvglobal.h>
#include <pds/pdscongruential.h>
#include <pds/pdsuniform.h>
#include <pds/pdsvector.h>

#ifdef __cplusplus
extern "C" {
#endif 

typedef struct 
{
        PdsCongruential *X1;

        PdsUniform *X2;

        PdsRvReal U;

        PdsRvReal Sigma;

        PdsRvReal x;
}PdsGaussian;

PdsGaussian *pds_gaussian_new(PdsRvReal U,PdsRvReal Sigma);

int pds_gaussian_init(PdsGaussian *X, PdsRvReal x0);


int pds_gaussian_get_value(PdsGaussian *X,PdsRvReal *x);


int pds_gaussian_get_last_value(PdsGaussian *X,PdsRvReal *x);


int pds_gaussian_get_vector(PdsGaussian *X,PdsVector *x);


void pds_gaussian_free(PdsGaussian *X);


void pds_gaussian_destroy(PdsGaussian **X);

#ifdef __cplusplus
}
#endif 

#endif /* __PDSGAUSSIAN_H__ */