EvtIntegPdf1D.hh

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/*******************************************************************************
 * Project: BaBar detector at the SLAC PEP-II B-factory
 * Package: EvtGenBase
 *    File: $Id: EvtIntegPdf1D.hh,v 1.1.1.2 2007/10/26 05:03:14 pingrg Exp $
 *  Author: Alexei Dvoretskii, dvoretsk@slac.stanford.edu, 2001-2002
 *
 * Copyright (C) 2002 Caltech
 *******************************************************************************/
 
// Analytically integrable one dimensional PDF.
 
#ifndef EVT_INTEG_PDF_1D_HH
#define EVT_INTEG_PDF_1D_HH
 
#include "EvtGenBase/EvtPdf.hh"
#include "EvtGenBase/EvtPoint1D.hh"
 
class EvtIntegPdf1D : public EvtPdf<EvtPoint1D> {
 
public:
  
  EvtIntegPdf1D(double min, double max);
  EvtIntegPdf1D(const EvtIntegPdf1D&);
  virtual ~EvtIntegPdf1D();
 
  // Pdf integral function and its inverse to be defined in subclasses  
 
  virtual double pdfIntegral(double x) const = 0;
  virtual double pdfIntegralInverse(double x) const = 0;
 
  virtual EvtValError compute_integral() const;
  virtual EvtPoint1D randomPoint();
 
protected: 
  
  double _min;
  double _max;
};
 
 
#endif