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EvtItgSimpsonIntegrator.hh
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EvtItgSimpsonIntegrator.hh

/***********************************************************************
* 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/>. *
***********************************************************************/
#ifndef EVTITGSIMPSONINTEGRATOR_HH
#define EVTITGSIMPSONINTEGRATOR_HH
//-------------
// C Headers --
//-------------
extern "C" {
}
#include "EvtGenModels/EvtItgAbsIntegrator.hh"
// Description:
// Simpson integrator (Stolen and modified from
// the BaBar IntegrationUtils package - author: Phil Strother).
class EvtItgSimpsonIntegrator : public EvtItgAbsIntegrator {
public:
EvtItgSimpsonIntegrator( const EvtItgAbsFunction&,
double precision = 1.0e-5, int maxLoop = 20 );
protected:
double evaluateIt( double, double ) const override;
private:
double _precision;
double _maxLoop;
//EvtItgSimpsonIntegrator( const EvtItgSimpsonIntegrator& ); //// Copy Constructor
//EvtItgSimpsonIntegrator& operator= ( const EvtItgSimpsonIntegrator& ); // Assignment op
};
#endif // ITGSIMPSONINTEGRATOR_HH

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