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EvtItgTwoCoeffFcn.cpp
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EvtItgTwoCoeffFcn.cpp
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/***********************************************************************
* Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
* *
* This file is part of EvtGen. *
* *
* EvtGen 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 3 of the License, or *
* (at your option) any later version. *
* *
* EvtGen 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 EvtGen. If not, see <https://www.gnu.org/licenses/>. *
***********************************************************************/
#include "EvtGenModels/EvtItgTwoCoeffFcn.hh"
#include "EvtGenBase/EvtPatches.hh"
//-------------
// C Headers --
//-------------
extern "C" {
}
EvtItgTwoCoeffFcn::EvtItgTwoCoeffFcn(
double ( *theFunction )( double, const std::vector<double>&,
const std::vector<double>& ),
double lowerRange, double upperRange, const std::vector<double>& coeffs1,
const std::vector<double>& coeffs2 ) :
EvtItgAbsFunction( lowerRange, upperRange ),
_myFunction( theFunction ),
_coeffs1( coeffs1 ),
_coeffs2( coeffs2 )
{
}
double EvtItgTwoCoeffFcn::myFunction( double x ) const
{
return _myFunction( x, _coeffs1, _coeffs2 );
}
void EvtItgTwoCoeffFcn::setCoeff( int vect, int which, double value )
{
if ( vect == 1 )
_coeffs1[which] = value;
else if ( vect == 2 )
_coeffs2[which] = value;
}
double EvtItgTwoCoeffFcn::getCoeff( int vect, int which )
{
if ( vect == 1 )
return _coeffs1[which];
else if ( vect == 2 )
return _coeffs2[which];
else {
return 0;
}
}

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