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 AbsHMatrix* clone() const {return new HMatrixUnit(*this);}
 
  virtual bool isEqual(const AbsHMatrix& other) const {return (dynamic_cast<const HMatrixUnit*>(&other) != NULL);}
 
  ClassDef(HMatrixUnit,1)
 
};
 
} /* End of namespace genfit */
#endif // genfit_HMatrixUnit_h