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#ifndef Alignment_CommonAlignmentParametrization_SegmentAlignmentDerivatives4D_h
#define Alignment_CommonAlignmentParametrization_SegmentAlignmentDerivatives4D_h
#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"
/// \class SegmentAlignmentDerivatives4D
///
/// Calculates derivatives for 4D Segments
///
/// $Date: 2007/03/12 21:28:48 $
/// $Revision: 1.4 $
/// (last update by $Author: P. Martinez $)
class TrajectoryStateOnSurface;
class SegmentAlignmentDerivatives4D {
public:
/// Returns 6x4 jacobian matrix
AlgebraicMatrix operator()(const TrajectoryStateOnSurface &tsos) const;
};
#endif
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