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
|
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com>
// 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_SPARSE_FLAGGED_H
#define EIGEN_SPARSE_FLAGGED_H
template<typename ExpressionType, unsigned int Added, unsigned int Removed>
struct ei_traits<SparseFlagged<ExpressionType, Added, Removed> > : ei_traits<ExpressionType>
{
enum { Flags = (ExpressionType::Flags | Added) & ~Removed };
};
template<typename ExpressionType, unsigned int Added, unsigned int Removed> class SparseFlagged
: public SparseMatrixBase<SparseFlagged<ExpressionType, Added, Removed> >
{
public:
EIGEN_SPARSE_GENERIC_PUBLIC_INTERFACE(SparseFlagged)
class InnerIterator;
class ReverseInnerIterator;
typedef typename ei_meta_if<ei_must_nest_by_value<ExpressionType>::ret,
ExpressionType, const ExpressionType&>::ret ExpressionTypeNested;
inline SparseFlagged(const ExpressionType& matrix) : m_matrix(matrix) {}
inline int rows() const { return m_matrix.rows(); }
inline int cols() const { return m_matrix.cols(); }
// FIXME should be keep them ?
inline Scalar& coeffRef(int row, int col)
{ return m_matrix.const_cast_derived().coeffRef(col, row); }
inline const Scalar coeff(int row, int col) const
{ return m_matrix.coeff(col, row); }
inline const Scalar coeff(int index) const
{ return m_matrix.coeff(index); }
inline Scalar& coeffRef(int index)
{ return m_matrix.const_cast_derived().coeffRef(index); }
protected:
ExpressionTypeNested m_matrix;
};
template<typename ExpressionType, unsigned int Added, unsigned int Removed>
class SparseFlagged<ExpressionType,Added,Removed>::InnerIterator : public ExpressionType::InnerIterator
{
public:
EIGEN_STRONG_INLINE InnerIterator(const SparseFlagged& xpr, int outer)
: ExpressionType::InnerIterator(xpr.m_matrix, outer)
{}
};
template<typename ExpressionType, unsigned int Added, unsigned int Removed>
class SparseFlagged<ExpressionType,Added,Removed>::ReverseInnerIterator : public ExpressionType::ReverseInnerIterator
{
public:
EIGEN_STRONG_INLINE ReverseInnerIterator(const SparseFlagged& xpr, int outer)
: ExpressionType::ReverseInnerIterator(xpr.m_matrix, outer)
{}
};
template<typename Derived>
template<unsigned int Added>
inline const SparseFlagged<Derived, Added, 0>
SparseMatrixBase<Derived>::marked() const
{
return derived();
}
#endif // EIGEN_SPARSE_FLAGGED_H
|
