AbstractFFTVertex.h

// -*- C++ -*-
#ifndef HELICITY_AbstractFFTVertex_H
#define HELICITY_AbstractFFTVertex_H
//
// This is the declaration of the AbstractFFTVertex class.
//

#include "VertexBase.h"
#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/TensorWaveFunction.h"
#include "AbstractFFTVertex.fh"

namespace ThePEG {
namespace Helicity {

class AbstractFFTVertex: public VertexBase {

public:


  AbstractFFTVertex() : VertexBase(VertexType::FFT) {}

  virtual Complex evaluate(Energy2 q2,const SpinorWaveFunction & sp1,
                           const SpinorBarWaveFunction & sbar2, 
                           const TensorWaveFunction & ten3) = 0;
  
  virtual TensorWaveFunction evaluate(Energy2 q2, int iopt,tcPDPtr out,
                                      const SpinorWaveFunction & sp1,
                                      const SpinorBarWaveFunction & sbar2,
                                      Energy mass=-GeV, Energy width=-GeV) = 0;

  virtual SpinorWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
                                      const SpinorWaveFunction & sp1,
                                      const TensorWaveFunction & ten3,
                                      Energy mass=-GeV, Energy width=-GeV) = 0;

  virtual SpinorBarWaveFunction evaluate(Energy2 q2,int iopt, tcPDPtr out,
                                         const SpinorBarWaveFunction & sbar2,
                                         const TensorWaveFunction& ten3,
                                         Energy mass=-GeV, Energy width=-GeV) = 0;

public:

  static void Init();

private:

  static AbstractNoPIOClassDescription<AbstractFFTVertex> initAbstractFFTVertex;

  AbstractFFTVertex & operator=(const AbstractFFTVertex &);

};

}
}

#include "ThePEG/Utilities/ClassTraits.h"

namespace ThePEG {

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

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

}

#endif /* HELICITY_AbstractFFTVertex_H */

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