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00001 #ifndef KVFHelper_H
00002 #define KVFHelper_H
00003 
00004 #include "RecoVertex/VertexPrimitives/interface/CachingVertex.h"
00005 
00010 template <unsigned int N>
00011 class KVFHelper {
00012 
00013 public:
00014 
00015   typedef typename CachingVertex<N>::RefCountedVertexTrack RefCountedVertexTrack;
00016   typedef typename VertexTrack<N>::RefCountedLinearizedTrackState RefCountedLinearizedTrackState;
00017   typedef typename VertexTrack<N>::RefCountedRefittedTrackState RefCountedRefittedTrackState;
00018   typedef typename std::pair <bool, double> BDpair;
00019 
00020 
00030   double vertexChi2(const VertexState & vertexA,
00031         const VertexState & VertexB) const;
00032 
00033   double vertexChi2(const CachingVertex<N> & vertexA,
00034         const CachingVertex<N> & vertexB) const;
00035 
00042   BDpair trackParameterChi2(const RefCountedLinearizedTrackState linTrack,
00043         const RefCountedRefittedTrackState refittedTrackState) const;
00044 
00050   BDpair trackParameterChi2(const RefCountedVertexTrack track) const;
00051 
00052 };
00053 
00054 #endif

/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/RecoVertex/KalmanVertexFit/interface/KVFHelper.h