STK_Funct_util.h

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/*--------------------------------------------------------------------*/
/*  Copyright (C) 2004-2007  Serge Iovleff
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
    
    You should have received a copy of the GNU Lesser General Public
    License along with this program; if not, write to the
    Free Software Foundation, Inc.,
    59 Temple Place,
    Suite 330,
    Boston, MA 02111-1307
    USA
    
    Contact : Serge.Iovleff@stkpp.org
*/

/*
 * Project:  Analysis
 * Purpose:  Usual mathematical functions
 * Author:   Serge Iovleff, serge.iovleff@stkpp.org
 **/

#ifndef STK_FUNCT_USUAL_H
#define STK_FUNCT_USUAL_H

// for Real and Integer
#include "../../STKernel/include/STK_Real.h"

namespace STK
{

namespace Funct
{
Real g0(Real const& x);

Real dev0(Real const& a, Real const& b);

Real log1p(Real const& x);

Real expm1(Real const& x);

} // namespace Funct

} // namespace STK

#endif // STK_FUNCT_USUAL