KinematicParametersError.h

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#ifndef KinematicParametersError_H
#define KinematicParametersError_H

#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"
#include "RecoVertex/VertexPrimitives/interface/VertexException.h"
#include "TrackingTools/TrajectoryParametrization/interface/CartesianTrajectoryError.h"

#include "TrackingTools/AnalyticalJacobians/interface/JacobianCartesianToCurvilinear.h"
#include "TrackingTools/AnalyticalJacobians/interface/JacobianCurvilinearToCartesian.h"
#include "RecoVertex/KinematicFitPrimitives/interface/Matrices.h"

class KinematicParametersError{

public:
 KinematicParametersError()
 {vl = false;}

 KinematicParametersError(const AlgebraicSymMatrix77& er):
                             theCovMatrix(er)
 {vl = true;}
 
  KinematicParametersError(const CartesianTrajectoryError& err, float merr) {
    theCovMatrix.Place_at(err.matrix(),0,0);
    theCovMatrix(6,6) = merr * merr;
    vl = true;
  }
  
 AlgebraicSymMatrix77 const & matrix() const {return theCovMatrix;}

  AlgebraicSymMatrix77  & matrix() {return theCovMatrix;}
 
 
 bool isValid() const
 {return vl;}

private:
 AlgebraicSymMatrix77 theCovMatrix;
 bool vl;
};
#endif