EvtItgPtrFunction.hh

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#ifndef EVTITGPTRFUNCTION_HH
#define EVTITGPTRFUNCTION_HH
 
#include "EvtGenModels/EvtItgAbsFunction.hh"
 
#include <vector>
 
// Description:
//      Class describing a function with one vector of coefficients. (Stolen and
//      modified from the BaBar IntegrationUtils package - author: Phil Strother).
 
class EvtItgPtrFunction : public EvtItgAbsFunction {
  public:
    EvtItgPtrFunction( double ( *theFunction )( double,
                                                const std::vector<double>& ),
                       double lowerRange, double upperRange,
                       const std::vector<double>& coeffs1 );
 
    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 );
 
    std::vector<double> m_coeffs1;
};
 
#endif    // EVTITGPTRFUNCTION_HH