include/EvtGenBase/EvtDalitzFlatPdf.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
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0020
0021 #ifndef EVT_DALITZ_FLAT_PDF_HH
0022 #define EVT_DALITZ_FLAT_PDF_HH
0023
0024 #include "EvtGenBase/EvtDalitzPlot.hh"
0025 #include "EvtGenBase/EvtDalitzPoint.hh"
0026 #include "EvtGenBase/EvtPdf.hh"
0027
0028 #include <assert.h>
0029
0030 /*
0031  * Uniform PDF defined on a Dalitz plot.
0032  */
0033
0034 class EvtDalitzFlatPdf : public EvtPdf<EvtDalitzPoint> {
0035   public:
0036     EvtDalitzFlatPdf( const EvtDalitzPlot& dp );
0037     EvtDalitzFlatPdf( const EvtDalitzFlatPdf& other );
0038     EvtPdf<EvtDalitzPoint>* clone() const override;
0039
0040     using EvtPdf<EvtDalitzPoint>::compute_integral;
0041     EvtValError compute_integral( int N ) const override;
0042     EvtDalitzPoint randomPoint() override;
0043
0044   protected:
0045     double pdf( const EvtDalitzPoint& ) const override;
0046
0047     EvtDalitzPlot _dp;
0048 };
0049
0050 #endif