include/EvtGenModels/EvtItgThreeCoeffFcn.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVTITTHREECOEFFFCN_HH
0022 #define EVTITTHREECOEFFFCN_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 three vectors of coefficients.
0036
0037 class EvtItgThreeCoeffFcn : public EvtItgAbsFunction {
0038   public:
0039     EvtItgThreeCoeffFcn( double ( *theFunction )( double,
0040                                                   const std::vector<double>&,
0041                                                   const std::vector<double>&,
0042                                                   const std::vector<double>& ),
0043                          double lowerRange, double upperRange,
0044                          const std::vector<double>& coeffs1,
0045                          const std::vector<double>& coeffs2,
0046                          const std::vector<double>& coeffs3 );
0047
0048     void setCoeff( int, int, double ) override;
0049     double getCoeff( int, int ) override;
0050
0051   protected:
0052     double myFunction( double x ) const override;
0053
0054   private:
0055     // Data members
0056     double ( *_myFunction )( double x, const std::vector<double>& coeffs1,
0057                              const std::vector<double>& coeffs2,
0058                              const std::vector<double>& coeffs3 );
0059
0060     std::vector<double> _coeffs1;
0061     std::vector<double> _coeffs2;
0062     std::vector<double> _coeffs3;
0063 };
0064
0065 #endif    // EvtITGPTRFUNCTION_HH