EvtItgThreeCoeffFcn.hh

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#ifndef EVTITTHREECOEFFFCN_HH
#define EVTITTHREECOEFFFCN_HH
 
#include <vector>
 
//-------------
// C Headers --
//-------------
extern "C" {
}
 
#include "EvtGenModels/EvtItgAbsFunction.hh"
 
// Description:
//      Class describing a function with three vectors of coefficients.
 
class EvtItgThreeCoeffFcn : public EvtItgAbsFunction {
  public:
    EvtItgThreeCoeffFcn( double ( *theFunction )( 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 );
 
    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 );
 
    std::vector<double> m_coeffs1;
    std::vector<double> m_coeffs2;
    std::vector<double> m_coeffs3;
};
 
#endif    // EvtITGPTRFUNCTION_HH