/data/refman/pasoursint/CMSSW_4_4_5_patch3/src/RecoVertex/GaussianSumVertexFit/interface/GsfVertexWeightCalculator.h

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#ifndef GsfVertexWeightCalculator_H
#define GsfVertexWeightCalculator_H

#include "RecoVertex/VertexPrimitives/interface/LinearizedTrackState.h"
#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "RecoVertex/VertexPrimitives/interface/VertexState.h"

class GsfVertexWeightCalculator {

public:

  typedef ReferenceCountingPointer<LinearizedTrackState<5> > RefCountedLinearizedTrackState;

   double calculate(const VertexState & oldVertex,
        const RefCountedLinearizedTrackState track, double cov) const;

private:
  typedef LinearizedTrackState<5>::AlgebraicVectorN AlgebraicVectorN;
  typedef LinearizedTrackState<5>::AlgebraicMatrixN3 AlgebraicMatrixN3;
  typedef LinearizedTrackState<5>::AlgebraicMatrixNM   AlgebraicMatrixNM;
  typedef LinearizedTrackState<5>::AlgebraicSymMatrixNN AlgebraicSymMatrixNN;

};

#endif