EvtNonresonantAmp.hh

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#ifndef EVT_NONRESONANT_AMP_HH
#define EVT_NONRESONANT_AMP_HH

#include "EvtGenBase/EvtAmplitude.hh"
#include "EvtGenBase/EvtCyclic3.hh"
#include "EvtGenBase/EvtDalitzPlot.hh"
#include "EvtGenBase/EvtDalitzPoint.hh"
#include "EvtGenBase/EvtPto3PAmp.hh"
#include "EvtGenBase/EvtSpinType.hh"

class EvtComplex;

class EvtNonresonantAmp : public EvtAmplitude<EvtDalitzPoint> {
  public:
    EvtNonresonantAmp( EvtDalitzPlot* dp, EvtPto3PAmp::NumType type,
                       EvtCyclic3::Pair pair1, double par1 = 0,
                       EvtCyclic3::Pair pair2 = EvtCyclic3::AB, double par2 = 0,
                       EvtSpinType::spintype spin = EvtSpinType::SCALAR );

    EvtComplex amplitude( const EvtDalitzPoint& p ) const override;

    EvtAmplitude<EvtDalitzPoint>* clone() const override
    {
        return new EvtNonresonantAmp( *this );
    }

  private:
    EvtDalitzPlot* _dalitzSpace;

    EvtPto3PAmp::NumType _type;

    EvtCyclic3::Pair _pair1, _pair2;

    double _par1, _par2;

    EvtSpinType::spintype _spin;
};

#endif