include/EvtGenBase/EvtIntegPdf1D.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVT_INTEG_PDF_1D_HH
0022 #define EVT_INTEG_PDF_1D_HH
0023
0024 #include "EvtGenBase/EvtPdf.hh"
0025 #include "EvtGenBase/EvtPoint1D.hh"
0026
0027 // Analytically integrable one dimensional PDF.
0028
0029 class EvtIntegPdf1D : public EvtPdf<EvtPoint1D> {
0030   public:
0031     EvtIntegPdf1D( double min, double max );
0032     EvtIntegPdf1D( const EvtIntegPdf1D& );
0033
0034     // Pdf integral function and its inverse to be defined in subclasses
0035
0036     virtual double pdfIntegral( double x ) const = 0;
0037     virtual double pdfIntegralInverse( double x ) const = 0;
0038
0039     using EvtPdf<EvtPoint1D>::compute_integral;
0040     EvtValError compute_integral() const override;
0041     EvtPoint1D randomPoint() override;
0042
0043   protected:
0044     double _min;
0045     double _max;
0046 };
0047
0048 #endif