include/EvtGenModels/EvtItgTwoCoeffFcn.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVTITTWOCOEFFFCN_HH
0022 #define EVTITTWOCOEFFFCN_HH
0023
0024 #include <vector>
0025
0026 //-------------
0027 // C Headers --
0028 //-------------
0029 extern "C" {
0030 }
0031
0032 #include "EvtGenModels/EvtItgAbsFunction.hh"
0033
0034 // Description:
0035 //      Class describing a function with two vectors of coefficients.
0036
0037 class EvtItgTwoCoeffFcn : public EvtItgAbsFunction {
0038   public:
0039     EvtItgTwoCoeffFcn( double ( *theFunction )( double, const std::vector<double>&,
0040                                                 const std::vector<double>& ),
0041                        double lowerRange, double upperRange,
0042                        const std::vector<double>& coeffs1,
0043                        const std::vector<double>& coeffs2 );
0044
0045     void setCoeff( int, int, double ) override;
0046     double getCoeff( int, int ) override;
0047
0048   protected:
0049     double myFunction( double x ) const override;
0050
0051   private:
0052     // Data members
0053     double ( *_myFunction )( double x, const std::vector<double>& coeffs1,
0054                              const std::vector<double>& coeffs2 );
0055
0056     std::vector<double> _coeffs1;
0057     std::vector<double> _coeffs2;
0058 };
0059
0060 #endif    // EvtITGTWOCOEFFFUNCTION_HH