EvtItgPtrFunction.hh
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EvtItgPtrFunction.hh
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	//--------------------------------------------------------------------------
	//
	//
	// Copyright Information: See EvtGen/COPYRIGHT
	//
	// Environment:
	// This software is part of the EvtGen package developed jointly
	// for the BaBar and CLEO collaborations. If you use all or part
	// of it, please give an appropriate acknowledgement.
	//
	// Module: EvtItgPtrFunction.hh
	//
	// Description:
	// Class describing a function with one vector of coefficients. (Stolen and
	// modified from the BaBar IntegrationUtils package - author: Phil Strother).
	//
	// Modification history:
	//
	// Jane Tinslay March 21, 2001 Module adapted for use in
	// EvtGen
	//
	//------------------------------------------------------------------------

	#ifndef EVTITGPTRFUNCTION_HH
	#define EVTITGPTRFUNCTION_HH

	#include <vector>
	#include "EvtGenModels/EvtItgAbsFunction.hh"

	class EvtItgPtrFunction: public EvtItgAbsFunction {

	public:

	EvtItgPtrFunction( double (*theFunction)(double, const std::vector<double> &),
	double lowerRange, double upperRange, const std::vector<double> &coeffs1);

	void setCoeff(int, int, double) override;
	double getCoeff(int, int) override;

	protected:

	double myFunction(double x) const override;

	private:

	// Data members
	double (*_myFunction)(double x, const std::vector<double> & coeffs1);

	std::vector<double> _coeffs1;

	};

	#endif // EVTITGPTRFUNCTION_HH