IKinematicConstraint.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TrkVertexFitterInterfaces_IKinematicConstraint_h
#define TrkVertexFitterInterfaces_IKinematicConstraint_h
 
#include "EventPrimitives/EventPrimitives.h"
#include "GeoPrimitives/GeoPrimitives.h"
 
namespace Trk {
 
// class KinematicParticle;
 
class IKinematicConstraint
{
 
public:
  /*** Virtual destructor */
  virtual ~IKinematicConstraint() = default;
 
  /*** Actual access methods: */
  virtual Amg::VectorX vectorOfValues(
    std::vector<Amg::VectorX>& cart_coordList,
    std::vector<int>& charges,
    Amg::Vector3D refPoint,
    double b_fieldTesla) const = 0;
 
  virtual Amg::MatrixX matrixOfDerivatives(
    std::vector<Amg::VectorX>& cart_coordList,
    std::vector<int>& charges,
    Amg::Vector3D refPoint,
    double b_fieldTesla) const = 0;
 
  virtual int numberOfEquations() const = 0;
 
}; // end of class definitions
} // end of namespace definitions
 
#endif // TrkVertexKinematicFitInterfaces_IKinematicConstraint_h