MultiTrackKinematicConstraint.h

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#ifndef MultiTrackKinematicConstraint_H
#define MultiTrackKinematicConstraint_H
 
#include "RecoVertex/KinematicFitPrimitives/interface/RefCountedKinematicParticle.h"
#include "RecoVertex/KinematicFitPrimitives/interface/RefCountedKinematicVertex.h"
#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"
 
class MultiTrackKinematicConstraint {
public:
  MultiTrackKinematicConstraint() {}
 
  virtual ~MultiTrackKinematicConstraint() {}
 
  virtual AlgebraicVector value(const std::vector<KinematicState>&, const GlobalPoint&) const = 0;
 
  virtual AlgebraicMatrix parametersDerivative(const std::vector<KinematicState>&, const GlobalPoint&) const = 0;
 
  virtual AlgebraicMatrix positionDerivative(const std::vector<KinematicState>&, const GlobalPoint&) const = 0;
 
  virtual int numberOfEquations() const = 0;
 
  virtual MultiTrackKinematicConstraint* clone() const = 0;
};
 
#endif