[u/mrichter/AliRoot.git] / TEvtGen / EvtGenModels / EvtItgPtrFunction.hh

//--------------------------------------------------------------------------
//
//
// 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);
 
  virtual ~EvtItgPtrFunction( );

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

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

  // Note: if your class needs a copy constructor or an assignment operator, 
  //  make one of the following public and implement it.
  EvtItgPtrFunction( const EvtItgPtrFunction& );                //// Copy Constructor
  EvtItgPtrFunction& operator= ( const EvtItgPtrFunction& );    // Assignment op
  std::vector<double> _coeffs1;

};

#endif // EVTITGPTRFUNCTION_HH
Commit	Line	Data
da0e9ce3	1	//--------------------------------------------------------------------------
	2	//
	3	//
	4	// Copyright Information: See EvtGen/COPYRIGHT
	5	//
	6	// Environment:
	7	// This software is part of the EvtGen package developed jointly
	8	// for the BaBar and CLEO collaborations. If you use all or part
	9	// of it, please give an appropriate acknowledgement.
	10	//
	11	// Module: EvtItgPtrFunction.hh
	12	//
	13	// Description:
	14	// Class describing a function with one vector of coefficients. (Stolen and
	15	// modified from the BaBar IntegrationUtils package - author: Phil Strother).
	16	//
	17	// Modification history:
	18	//
	19	// Jane Tinslay March 21, 2001 Module adapted for use in
	20	// EvtGen
	21	//
	22	//------------------------------------------------------------------------
	23
	24	#ifndef EVTITGPTRFUNCTION_HH
	25	#define EVTITGPTRFUNCTION_HH
	26
	27	#include <vector>
	28	#include "EvtGenModels/EvtItgAbsFunction.hh"
	29
	30	class EvtItgPtrFunction: public EvtItgAbsFunction {
	31
	32	public:
	33
	34	EvtItgPtrFunction( double (*theFunction)(double, const std::vector<double> &),
	35	double lowerRange, double upperRange, const std::vector<double> &coeffs1);
	36
	37	virtual ~EvtItgPtrFunction( );
	38
	39	virtual void setCoeff(int, int, double);
	40	virtual double getCoeff(int, int);
	41
	42	protected:
	43
	44	virtual double myFunction(double x) const;
	45
	46	private:
	47
	48	// Data members
	49	double (*_myFunction)(double x, const std::vector<double> & coeffs1);
	50
	51	// Note: if your class needs a copy constructor or an assignment operator,
	52	// make one of the following public and implement it.
	53	EvtItgPtrFunction( const EvtItgPtrFunction& ); //// Copy Constructor
	54	EvtItgPtrFunction& operator= ( const EvtItgPtrFunction& ); // Assignment op
	55	std::vector<double> _coeffs1;
	56
	57	};
	58
	59	#endif // EVTITGPTRFUNCTION_HH