/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/RecoVertex/VertexPrimitives/interface/RefittedTrackState.h

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#ifndef RefittedTrackState_H
#define RefittedTrackState_H

#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "TrackingTools/TrajectoryState/interface/CopyUsingClone.h"
#include "DataFormats/Math/interface/AlgebraicROOTObjects.h"
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
#include <vector>

class FreeTrajectoryState;
class TrajectoryStateOnSurface;
class Surface;
class Propagator;

template <unsigned int N>
class RefittedTrackState : public ReferenceCounted {

public:

//   typedef ROOT::Math::SMatrix<double,N,N,ROOT::Math::MatRepSym<double,N> > AlgebraicMatrixN3;
  typedef ROOT::Math::SVector<double,N> AlgebraicVectorN;
  typedef ROOT::Math::SVector<double,N-2> AlgebraicVectorM;
//   typedef ROOT::Math::SMatrix<double,N,3,ROOT::Math::MatRepStd<double,N,3> > AlgebraicMatrixN3;
//   typedef ROOT::Math::SMatrix<double,N-2,3,ROOT::Math::MatRepStd<double,N-2,3> > AlgebraicMatrixM3;
  typedef ROOT::Math::SMatrix<double,N,N,ROOT::Math::MatRepSym<double,N> > AlgebraicSymMatrixNN;

  virtual ~RefittedTrackState(){}

  virtual FreeTrajectoryState freeTrajectoryState() const = 0;

  virtual TrajectoryStateOnSurface trajectoryStateOnSurface(
                const Surface & surface) const = 0;

  virtual TrajectoryStateOnSurface trajectoryStateOnSurface(
                const Surface & surface, const Propagator & propagator) const = 0;

  virtual AlgebraicVectorN parameters() const = 0;

  virtual AlgebraicSymMatrixNN covariance() const = 0;

  virtual GlobalPoint position() const = 0;

  virtual AlgebraicVectorM momentumVector() const = 0;

  virtual double weight() const = 0;

  virtual ReferenceCountingPointer<RefittedTrackState> stateWithNewWeight
        (const double newWeight) const = 0;

  virtual std::vector< ReferenceCountingPointer<RefittedTrackState> > components() const = 0;

  virtual reco::TransientTrack transientTrack() const = 0;

};
#endif