VertexKinematicConstraintT.h

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#ifndef VertexKinematicConstraintT_H
#define VertexKinematicConstraintT_H

#include "RecoVertex/KinematicFitPrimitives/interface/MultiTrackKinematicConstraintT.h"
#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"

class VertexKinematicConstraintT : public MultiTrackKinematicConstraintT<2, 4> {
private:
  typedef MultiTrackKinematicConstraintT<2, 4> super;

  // to be optimized

  double a_i[2];
  double novera[2], n[2], m[2], k[2], delta[2];
  GlobalVector mom[2];
  GlobalVector dpos[2];

public:
  VertexKinematicConstraintT();

  ~VertexKinematicConstraintT() override;

  // initialize the constraint so it can precompute common qualtities to the three next call
  void init(const std::vector<KinematicState>& states, const GlobalPoint& point, const GlobalVector& mf) override;

  int numberOfEquations() const override;

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

private:
  void fillValue() const override;

  void fillParametersDerivative() const override;

  void fillPositionDerivative() const override;

private:
};
#endif