Belle II Software  release-05-02-19
RKTools.h
1 /* Copyright 2008-2009, Technische Universitaet Muenchen,
2  Authors: Christian Hoeppner & Sebastian Neubert & Johannes Rauch
3 
4  This file is part of GENFIT.
5 
6  GENFIT is free software: you can redistribute it and/or modify
7  it under the terms of the GNU Lesser General Public License as published
8  by the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  GENFIT is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  GNU Lesser General Public License for more details.
15 
16  You should have received a copy of the GNU Lesser General Public License
17  along with GENFIT. If not, see <http://www.gnu.org/licenses/>.
18 */
19 
24 #ifndef genfit_RKTools_h
25 #define genfit_RKTools_h
26 
27 #include <stddef.h>
28 #include <algorithm>
29 
30 namespace genfit {
31 
32 template <size_t nRows, size_t nCols>
33 struct RKMatrix {
34  double vals[nRows * nCols];
35 
36  double& operator()(size_t iRow, size_t iCol) {
37  return vals[nCols*iRow + iCol];
38  }
39  double& operator[](size_t n) {
40  return vals[n];
41  }
42  const double& operator[](size_t n) const {
43  return vals[n];
44  }
45  double* begin() { return vals; }
46  double* end() { return vals + nRows * nCols; }
47  const double* begin() const { return vals; }
48  const double* end() const { return vals + nRows * nCols; }
49  RKMatrix<nRows, nCols>& operator=(const RKMatrix<nRows, nCols>& o) {
50  std::copy(o.begin(), o.end(), this->begin());
51  return *this;
52  }
53 
54  void print();
55 };
56 
57 typedef RKMatrix<1, 3> M1x3;
58 typedef RKMatrix<1, 4> M1x4;
59 typedef RKMatrix<1, 7> M1x7;
60 typedef RKMatrix<5, 5> M5x5;
61 typedef RKMatrix<6, 6> M6x6;
62 typedef RKMatrix<7, 7> M7x7;
63 typedef RKMatrix<6, 5> M6x5;
64 typedef RKMatrix<7, 5> M7x5;
65 typedef RKMatrix<5, 6> M5x6;
66 typedef RKMatrix<5, 7> M5x7;
67 
71 namespace RKTools {
72 
73  void J_pMTxcov5xJ_pM(const M5x7& J_pM, const M5x5& cov5, M7x7& out7);
74  void J_pMTxcov5xJ_pM(const M5x6& J_pM, const M5x5& cov5, M6x6& out6);
75 
76  void J_MpTxcov7xJ_Mp(const M7x5& J_Mp, const M7x7& cov7, M5x5& out5);
77  void J_MpTxcov6xJ_Mp(const M6x5& J_Mp, const M6x6& cov6, M5x5& out5);
78 
79  void J_pMTTxJ_MMTTxJ_MpTT(const M7x5& J_pMT, const M7x7& J_MMT, const M5x7& J_MpT, M5x5& J_pp);
80 
81  void Np_N_NpT(const M7x7& Np, M7x7& N);
82 
83  void printDim(const double* mat, unsigned int dimX, unsigned int dimY);
84 
85 }
86 
87 template<size_t nRows, size_t nCols>
88 inline void
89 RKMatrix<nRows, nCols>::print() {
90  RKTools::printDim(this->vals, nRows, nCols);
91 }
92 
93 } /* End of namespace genfit */
96 #endif // genfit_RKTools_h
97 
genfit
Defines for I/O streams used for error and debug printing.
Definition: AlignablePXDRecoHit.h:19
genfit::RKMatrix
Definition: RKTools.h:33