/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Generator/BesEvtGen/BesEvtGen-00-03-58/src/EvtGen/EvtGenBase/EvtIntegPdf1D.hh

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00001 /*******************************************************************************
00002  * Project: BaBar detector at the SLAC PEP-II B-factory
00003  * Package: EvtGenBase
00004  *    File: $Id: EvtIntegPdf1D.hh,v 1.1.1.2 2007/10/26 05:03:14 pingrg Exp $
00005  *  Author: Alexei Dvoretskii, dvoretsk@slac.stanford.edu, 2001-2002
00006  *
00007  * Copyright (C) 2002 Caltech
00008  *******************************************************************************/
00009 
00010 // Analytically integrable one dimensional PDF.
00011 
00012 #ifndef EVT_INTEG_PDF_1D_HH
00013 #define EVT_INTEG_PDF_1D_HH
00014 
00015 #include "EvtGenBase/EvtPdf.hh"
00016 #include "EvtGenBase/EvtPoint1D.hh"
00017 
00018 class EvtIntegPdf1D : public EvtPdf<EvtPoint1D> {
00019 
00020 public:
00021   
00022   EvtIntegPdf1D(double min, double max);
00023   EvtIntegPdf1D(const EvtIntegPdf1D&);
00024   virtual ~EvtIntegPdf1D();
00025 
00026   // Pdf integral function and its inverse to be defined in subclasses  
00027 
00028   virtual double pdfIntegral(double x) const = 0;
00029   virtual double pdfIntegralInverse(double x) const = 0;
00030 
00031   virtual EvtValError compute_integral() const;
00032   virtual EvtPoint1D randomPoint();
00033 
00034 protected: 
00035   
00036   double _min;
00037   double _max;
00038 };
00039 
00040 
00041 #endif
00042 
00043 

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