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