HMatrixUnit.h

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/* Copyright 2008-2010, Technische Universitaet Muenchen,
   Authors: Christian Hoeppner & Sebastian Neubert & Johannes Rauch

   This file is part of GENFIT.

   GENFIT is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   GENFIT is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with GENFIT.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef genfit_HMatrixUnit_h
#define genfit_HMatrixUnit_h

#include "AbsHMatrix.h"

namespace genfit {

class HMatrixUnit : public AbsHMatrix {

 public:
  HMatrixUnit() { ; }

  const TMatrixD &getMatrix() const;

  TVectorD Hv(const TVectorD &v) const { return v; }

  TMatrixD MHt(const TMatrixDSym &M) const { return TMatrixD(M); }
  TMatrixD MHt(const TMatrixD &M) const { return M; }

  void HMHt(TMatrixDSym &) const { return; }

  virtual HMatrixUnit *clone() const { return new HMatrixUnit(*this); }

  virtual bool isEqual(const AbsHMatrix &other) const { return (dynamic_cast<const HMatrixUnit *>(&other) != nullptr); }

  virtual void Print(const Option_t * = "") const;

  ClassDef(HMatrixUnit, 1)
};

} /* End of namespace genfit */
#endif // genfit_HMatrixUnit_h