KVFHelper.h

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#ifndef KVFHelper_H
#define KVFHelper_H

#include "RecoVertex/VertexPrimitives/interface/CachingVertex.h"

template <unsigned int N>
class KVFHelper {

public:

  typedef typename CachingVertex<N>::RefCountedVertexTrack RefCountedVertexTrack;
  typedef typename VertexTrack<N>::RefCountedLinearizedTrackState RefCountedLinearizedTrackState;
  typedef typename VertexTrack<N>::RefCountedRefittedTrackState RefCountedRefittedTrackState;
  typedef typename std::pair <bool, double> BDpair;


  double vertexChi2(const VertexState & vertexA,
    const VertexState & VertexB) const;

  double vertexChi2(const CachingVertex<N> & vertexA,
    const CachingVertex<N> & vertexB) const;

  BDpair trackParameterChi2(const RefCountedLinearizedTrackState linTrack,
    const RefCountedRefittedTrackState refittedTrackState) const;

  BDpair trackParameterChi2(const RefCountedVertexTrack track) const;

};

#endif