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EvtItgFunction.hh
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EvtItgFunction.hh
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//--------------------------------------------------------------------------
//
// Environment:
// This software was developed for the BaBar collaboration. If you
// use all or part of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
// Copyright (C) 1998 LBNL
//
//------------------------------------------------------------------------
#ifndef EVTITGFUNCTION_HH
#define EVTITGFUNCTION_HH
#include "EvtGenModels/EvtItgAbsFunction.hh"
/**
* Copyright (C) 1998 LBNL
*
* Generic function where the pointer to the function is available.
*
* The function is taken as type pointer to function returning double and
* taking a double (the abscissa) and a const RWTValVector<double> reference
* (the parameter values of the function) as arguments.
*
* @see EvtItgFunctionEvtItgFunction
*
* @version $Id: EvtItgFunction.hh,v 1.2 2009-03-16 16:34:00 robbep Exp $
*
* @author Phil Strother Originator
*/
class EvtItgFunction: public EvtItgAbsFunction {
public:
// Constructors
EvtItgFunction( double (*theFunction)(double),
double lowerRange, double upperRange);
// Destructor
virtual ~EvtItgFunction( );
virtual void setCoeff(int, int, double) {};
virtual double getCoeff(int, int) {return 0.0;};
protected:
// Helper functions
virtual double myFunction(double x) const;
private:
// Data members
double (*_myFunction)(double x);
// Note: if your class needs a copy constructor or an assignment operator,
// make one of the following public and implement it.
EvtItgFunction( const EvtItgFunction& ); // Copy Constructor
EvtItgFunction& operator= ( const EvtItgFunction& ); // Assignment op
};
#endif // EvtITGFUNCTION_HH

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