gsl_special_functions.h

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//

//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
//  
//  libMoM Library - a library for stochastic simulations in engineering.
// 
//  Copyright (C) 2010 Rochan R. Upadhyay
// 
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the Version 2.1 GNU Lesser General
//  Public License as published by the Free Software Foundation.
// 
//  This library 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
//  Lesser General Public License for more details.
// 
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc. 51 Franklin Street, Fifth Floor, 
//  Boston, MA  02110-1301  USA
// 
//--------------------------------------------------------------------------

#ifndef _GSL_SPECIAL_FUNCTIONS_H
#define _GSL_SPECIAL_FUNCTIONS_H

#include <stdio.h>
#include <stdlib.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_sf_result.h>
#include <gsl/gsl_sf_bessel.h>
#include <gsl/gsl_sf_gamma.h>

//

class special_functions
{

private:

//

double result;

public:

//
//

double besselJ0(const double x);

//
//

double beta (const double x, const double y);

double gamma (const double x);

//
//

unsigned long long int factorial(unsigned long long n);

//
//

unsigned long int combination(int n, int k);

};

#endif // GSL_SPECIAL_FUNCTIONS_H