SmartPointingConstraint.h

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#ifndef SmartPointingConstraint_H
#define SmartPointingConstraint_H
 
#include "RecoVertex/KinematicFitPrimitives/interface/KinematicConstraint.h"
 
class SmartPointingConstraint : public KinematicConstraint {
public:
  SmartPointingConstraint(const GlobalPoint& ref) : refPoint(ref) {}
 
  std::pair<AlgebraicVector, AlgebraicVector> value(const AlgebraicVector& exPoint) const override;
 
  std::pair<AlgebraicMatrix, AlgebraicVector> derivative(const AlgebraicVector& exPoint) const override;
 
  std::pair<AlgebraicMatrix, AlgebraicVector> derivative(
      const std::vector<RefCountedKinematicParticle>& par) const override;
 
  std::pair<AlgebraicVector, AlgebraicVector> value(const std::vector<RefCountedKinematicParticle>& par) const override;
 
  AlgebraicVector deviations(int nStates) const override;
 
  int numberOfEquations() const override;
 
  SmartPointingConstraint* clone() const override { return new SmartPointingConstraint(*this); }
 
private:
  std::pair<AlgebraicVector, AlgebraicVector> makeValue(const AlgebraicVector& exPoint) const;
  std::pair<AlgebraicMatrix, AlgebraicVector> makeDerivative(const AlgebraicVector& exPoint) const;
 
  GlobalPoint refPoint;
};
 
#endif