1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
//
// Eigen 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.
//
// Alternatively, you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Eigen 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 or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#ifndef EIGEN_SPARSETRANSPOSE_H
#define EIGEN_SPARSETRANSPOSE_H
// template<typename MatrixType>
// struct ei_traits<SparseTranspose<MatrixType> > : ei_traits<Transpose<MatrixType> >
// {};
template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>
: public SparseMatrixBase<Transpose<MatrixType> >
{
const typename ei_cleantype<typename MatrixType::Nested>::type& matrix() const
{ return derived().nestedExpression(); }
typename ei_cleantype<typename MatrixType::Nested>::type& matrix()
{ return derived().nestedExpression(); }
public:
// _EIGEN_SPARSE_GENERIC_PUBLIC_INTERFACE(TransposeImpl,SparseMatrixBase<Transpose<MatrixType> >)
// EIGEN_EXPRESSION_IMPL_COMMON(SparseMatrixBase<Transpose<MatrixType> >)
EIGEN_SPARSE_PUBLIC_INTERFACE(Transpose<MatrixType>)
class InnerIterator;
class ReverseInnerIterator;
// inline SparseTranspose(const MatrixType& matrix) : m_matrix(matrix) {}
//EIGEN_INHERIT_ASSIGNMENT_OPERATORS(SparseTranspose)
// inline int rows() const { return m_matrix.cols(); }
// inline int cols() const { return m_matrix.rows(); }
inline int nonZeros() const { return matrix().nonZeros(); }
// FIXME should be keep them ?
inline Scalar& coeffRef(int row, int col)
{ return matrix().const_cast_derived().coeffRef(col, row); }
inline const Scalar coeff(int row, int col) const
{ return matrix().coeff(col, row); }
inline const Scalar coeff(int index) const
{ return matrix().coeff(index); }
inline Scalar& coeffRef(int index)
{ return matrix().const_cast_derived().coeffRef(index); }
// protected:
// const typename MatrixType::Nested m_matrix;
};
template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::InnerIterator : public MatrixType::InnerIterator
{
typedef typename MatrixType::InnerIterator Base;
public:
EIGEN_STRONG_INLINE InnerIterator(const TransposeImpl& trans, int outer)
: Base(trans.matrix(), outer)
{}
inline int row() const { return Base::col(); }
inline int col() const { return Base::row(); }
};
template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::ReverseInnerIterator : public MatrixType::ReverseInnerIterator
{
typedef typename MatrixType::ReverseInnerIterator Base;
public:
EIGEN_STRONG_INLINE ReverseInnerIterator(const TransposeImpl& xpr, int outer)
: Base(xpr.matrix(), outer)
{}
inline int row() const { return Base::col(); }
inline int col() const { return Base::row(); }
};
#endif // EIGEN_SPARSETRANSPOSE_H
|