include/EvtGenBase/EvtIntervalFlatPdf.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
0005 * This file is part of EvtGen.                                         *
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0020
0021 #ifndef EVT_INTERVAL_FLAT_PDF_HH
0022 #define EVT_INTERVAL_FLAT_PDF_HH
0023
0024 #include "EvtGenBase/EvtPdf.hh"
0025 #include "EvtGenBase/EvtPoint1D.hh"
0026
0027 #include <assert.h>
0028
0029 /*
0030  * Uniform PDF defined on a 1D interval.
0031  */
0032
0033 class EvtIntervalFlatPdf : public EvtPdf<EvtPoint1D> {
0034   public:
0035     EvtIntervalFlatPdf( double min, double max );
0036     EvtIntervalFlatPdf( const EvtIntervalFlatPdf& other );
0037     EvtPdf<EvtPoint1D>* clone() const override;
0038
0039     using EvtPdf<EvtPoint1D>::compute_integral;
0040     EvtValError compute_integral() const override;
0041     EvtPoint1D randomPoint() override;
0042
0043   protected:
0044     double pdf( const EvtPoint1D& ) const override;
0045
0046     double _min;
0047     double _max;
0048 };
0049
0050 #endif