measurements/include/HMatrixUnit.h

0001 /* Copyright 2008-2010, Technische Universitaet Muenchen,
0002    Authors: Christian Hoeppner & Sebastian Neubert & Johannes Rauch
0003
0004    This file is part of GENFIT.
0005
0006    GENFIT is free software: you can redistribute it and/or modify
0007    it under the terms of the GNU Lesser General Public License as published
0008    by the Free Software Foundation, either version 3 of the License, or
0009    (at your option) any later version.
0010
0011    GENFIT is distributed in the hope that it will be useful,
0012    but WITHOUT ANY WARRANTY; without even the implied warranty of
0013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014    GNU Lesser General Public License for more details.
0015
0016    You should have received a copy of the GNU Lesser General Public License
0017    along with GENFIT.  If not, see <http://www.gnu.org/licenses/>.
0018 */
0019 /** @addtogroup genfit
0020  * @{
0021  */
0022
0023 #ifndef genfit_HMatrixUnit_h
0024 #define genfit_HMatrixUnit_h
0025
0026 #include "AbsHMatrix.h"
0027
0028
0029 namespace genfit {
0030
0031 /**
0032  * @brief AbsHMatrix implementation for 5-dimensional MeasurementOnPlane and RKTrackRep parameterization.
0033  *
0034  * H = (1, 0, 0, 0, 0)
0035  *     (0, 1, 0, 0, 0)
0036  *     (0, 0, 1, 0, 0)
0037  *     (0, 0, 0, 1, 0)
0038  *     (0, 0, 0, 0, 1)
0039  */
0040 class HMatrixUnit : public AbsHMatrix {
0041
0042  public:
0043
0044   HMatrixUnit() {;}
0045
0046   const TMatrixD& getMatrix() const;
0047
0048   TVectorD Hv(const TVectorD& v) const {return v;}
0049
0050   TMatrixD MHt(const TMatrixDSym& M) const {return TMatrixD(M);}
0051   TMatrixD MHt(const TMatrixD& M) const {return M;}
0052
0053   void HMHt(TMatrixDSym&) const {return;}
0054
0055   virtual HMatrixUnit* clone() const {return new HMatrixUnit(*this);}
0056
0057   virtual bool isEqual(const AbsHMatrix& other) const {return (dynamic_cast<const HMatrixUnit*>(&other) != nullptr);}
0058
0059   virtual void Print(const Option_t* = "") const;
0060
0061   ClassDef(HMatrixUnit,1)
0062
0063 };
0064
0065 } /* End of namespace genfit */
0066 /** @} */
0067
0068 #endif // genfit_HMatrixUnit_h