AbstractVSSVertex.h

// -*- C++ -*-
#ifndef HELICITY_AbstractVSSVertex_H
#define HELICITY_AbstractVSSVertex_H
//
// This is the declaration of the AbstractVSSVertex class.
//

#include "VertexBase.h"
#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "AbstractVSSVertex.fh"

namespace ThePEG {
namespace Helicity {

class AbstractVSSVertex: public VertexBase {

public:

  AbstractVSSVertex() : VertexBase(VertexType::VSS) {}

  virtual Complex evaluate(Energy2 q2,const VectorWaveFunction & vec1,
                           const ScalarWaveFunction & sca2, 
                           const ScalarWaveFunction & sca3) = 0;

  virtual VectorWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
                                      const ScalarWaveFunction & sca2,
                                      const ScalarWaveFunction & sca3,
                                      Energy mass=-GeV, Energy width=-GeV) = 0;

  virtual ScalarWaveFunction evaluate(Energy2 q2,int iopt, tcPDPtr out,
                                      const VectorWaveFunction & vec1,
                                      const ScalarWaveFunction & sca2,
                                      Energy mass=-GeV, Energy width=-GeV) = 0;

public:

  static void Init();

private:

  static AbstractNoPIOClassDescription<AbstractVSSVertex> initAbstractVSSVertex;

  AbstractVSSVertex & operator=(const AbstractVSSVertex &);

};

}
}

#include "ThePEG/Utilities/ClassTraits.h"

namespace ThePEG {

template <>
struct BaseClassTrait<Helicity::AbstractVSSVertex,1> {
  typedef Helicity::VertexBase NthBase;
};

template <>
struct ClassTraits<Helicity::AbstractVSSVertex>
  : public ClassTraitsBase<Helicity::AbstractVSSVertex> {
  static string className() { return "Helicity::AbstractVSSVertex"; }
};

}

#endif /* HELICITY_AbstractVSSVertex_H */

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