EvtItgFourCoeffFcn.hh

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#ifndef EVTITFOURCOEFFFCN_HH
#define EVTITFOURCOEFFFCN_HH
 
#include "EvtGenModels/EvtItgAbsFunction.hh"
 
#include <vector>
 
// Description:
//      Class describing a function with Four vectors of coefficients.
 
class EvtItgFourCoeffFcn : public EvtItgAbsFunction {
  public:
    EvtItgFourCoeffFcn( double ( *theFunction )( double,
                                                 const std::vector<double>&,
                                                 const std::vector<double>&,
                                                 const std::vector<double>&,
                                                 const std::vector<double>& ),
                        double lowerRange, double upperRange,
                        const std::vector<double>& coeffs1,
                        const std::vector<double>& coeffs2,
                        const std::vector<double>& coeffs3,
                        const std::vector<double>& coeffs4 );
 
    void setCoeff( int, int, double ) override;
    double getCoeff( int, int ) override;
 
  protected:
    double myFunction( double x ) const override;
 
  private:
    // Data members
    double ( *m_myFunction )( double x, const std::vector<double>& coeffs1,
                              const std::vector<double>& coeffs2,
                              const std::vector<double>& coeffs3,
                              const std::vector<double>& coeffs4 );
 
    std::vector<double> m_coeffs1;
    std::vector<double> m_coeffs2;
    std::vector<double> m_coeffs3;
    std::vector<double> m_coeffs4;
};
 
#endif    // EvtITGPTRFUNCTION_HH