AbstractSSSVertex.h

// -*- C++ -*-
#ifndef HELICITY_AbstractSSSVertex_H
#define HELICITY_AbstractSSSVertex_H
//
// This is the declaration of the AbstractSSSVertex class.
//

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

namespace ThePEG {
namespace Helicity {

class AbstractSSSVertex: public VertexBase {

public:

  AbstractSSSVertex() : VertexBase(VertexType::SSS) {}

  virtual Complex evaluate(Energy2 q2,const ScalarWaveFunction & sca1,
                           const ScalarWaveFunction & sca2,
                           const ScalarWaveFunction & sca3) = 0;

  virtual ScalarWaveFunction evaluate(Energy2 q2,int iopt, tcPDPtr out, 
                                      const ScalarWaveFunction & sca1,
                                      const ScalarWaveFunction & sca2,
                                      Energy mass=-GeV, Energy width=-GeV) = 0;

public:

  static void Init();

private:

  static AbstractNoPIOClassDescription<AbstractSSSVertex> initAbstractSSSVertex;

  AbstractSSSVertex & operator=(const AbstractSSSVertex &);

};

}
}

#include "ThePEG/Utilities/ClassTraits.h"

namespace ThePEG {

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

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

}

#endif /* HELICITY_AbstractSSSVertex_H */

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