VertexDistanceXY.h

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#ifndef Vertex_VertexDistanceXY_H
#define Vertex_VertexDistanceXY_H

#include "RecoVertex/VertexTools/interface/VertexDistance.h"

class VertexDistanceXY : public VertexDistance {

public:

  VertexDistanceXY()  {}

  Measurement1D signedDistance(const reco::Vertex &primVtx , 
                 const reco::Vertex &secVtx,
                 const GlobalVector & momentum) const override;

  VertexDistanceXY * clone() const override
  {
    return new VertexDistanceXY(*this);
  }


  using VertexDistance::distance;
  using VertexDistance::compatibility;

private:

  AlgebraicSymMatrix22 theNullMatrix;

  Measurement1D distance(const GlobalPoint & vtx1Position, 
                 const GlobalError & vtx1PositionError, 
                 const GlobalPoint & vtx2Position, 
                 const GlobalError & vtx2PositionError) const override;

  float compatibility(const GlobalPoint & vtx1Position, 
                  const GlobalError & vtx1PositionError, 
                  const GlobalPoint & vtx2Position, 
                  const GlobalError & vtx2PositionError) const override;
};


#endif