VertexDistance3D.h

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#ifndef Vertex_VertexDistance3D_H
#define Vertex_VertexDistance3D_H

#include "RecoVertex/VertexTools/interface/VertexDistance.h"
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include "DataFormats/GeometryCommonDetAlgo/interface/GlobalError.h"

class VertexDistance3D : public VertexDistance {
public:
  using VertexDistance::compatibility;

  VertexDistance3D() {}

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

  VertexDistance3D *clone() const override { return new VertexDistance3D(*this); }

  using VertexDistance::distance;

private:
  AlgebraicSymMatrix33 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