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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2009-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave is free software: 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 3 of the License, or
// (at your option) any later version.
//
// Octave 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if defined (HAVE_CONFIG_H)
# include "config.h"
#endif
#include "ovl.h"
#include "ov.h"
#include "ov-typeinfo.h"
#include "ops.h"
#include "ov-re-diag.h"
#include "ov-re-sparse.h"
#include "sparse-xdiv.h"
// diagonal matrix by sparse matrix ops
DEFBINOP (mul_dm_sm, diag_matrix, sparse_matrix)
{
const octave_diag_matrix& v1 = dynamic_cast<const octave_diag_matrix&> (a1);
const octave_sparse_matrix& v2 = dynamic_cast<const octave_sparse_matrix&> (a2);
if (v2.rows () == 1 && v2.columns () == 1)
// If v2 is a scalar in disguise, return a diagonal matrix rather than
// a sparse matrix.
{
double d = v2.scalar_value ();
return octave_value (v1.diag_matrix_value () * d);
}
else
{
MatrixType typ = v2.matrix_type ();
SparseMatrix ret = v1.diag_matrix_value () * v2.sparse_matrix_value ();
octave_value out = octave_value (ret);
typ.mark_as_unsymmetric ();
out.matrix_type (typ);
return out;
}
}
DEFBINOP (ldiv_dm_sm, diag_matrix, sparse_matrix)
{
const octave_diag_matrix& v1 = dynamic_cast<const octave_diag_matrix&> (a1);
const octave_sparse_matrix& v2 = dynamic_cast<const octave_sparse_matrix&> (a2);
MatrixType typ = v2.matrix_type ();
return xleftdiv (v1.diag_matrix_value (), v2.sparse_matrix_value (), typ);
}
DEFBINOP (add_dm_sm, diag_matrix, sparse_matrix)
{
const octave_diag_matrix& v1 = dynamic_cast<const octave_diag_matrix&> (a1);
const octave_sparse_matrix& v2 = dynamic_cast<const octave_sparse_matrix&> (a2);
if (v2.rows () == 1 && v2.columns () == 1)
// If v2 is a scalar in disguise, return a diagonal matrix rather than
// a sparse matrix.
{
double d = v2.scalar_value ();
return octave_value (v1.matrix_value () + d);
}
else
return v1.diag_matrix_value () + v2.sparse_matrix_value ();
}
DEFBINOP (sub_dm_sm, diag_matrix, sparse_matrix)
{
const octave_diag_matrix& v1 = dynamic_cast<const octave_diag_matrix&> (a1);
const octave_sparse_matrix& v2 = dynamic_cast<const octave_sparse_matrix&> (a2);
if (v2.rows () == 1 && v2.columns () == 1)
// If v2 is a scalar in disguise, return a diagonal matrix rather than
// a sparse matrix.
{
double d = v2.scalar_value ();
return octave_value (v1.matrix_value () - d);
}
else
return v1.diag_matrix_value () - v2.sparse_matrix_value ();
}
// sparse matrix by diagonal matrix ops
DEFBINOP (mul_sm_dm, sparse_matrix, diag_matrix)
{
const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
const octave_diag_matrix& v2 = dynamic_cast<const octave_diag_matrix&> (a2);
if (v1.rows () == 1 && v1.columns () == 1)
// If v1 is a scalar in disguise, return a diagonal matrix rather than
// a sparse matrix.
{
double d = v1.scalar_value ();
return octave_value (d * v2.diag_matrix_value ());
}
else
{
MatrixType typ = v1.matrix_type ();
SparseMatrix ret = v1.sparse_matrix_value () * v2.diag_matrix_value ();
octave_value out = octave_value (ret);
typ.mark_as_unsymmetric ();
out.matrix_type (typ);
return out;
}
}
DEFBINOP (div_sm_dm, sparse_matrix, diag_matrix)
{
const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
const octave_diag_matrix& v2 = dynamic_cast<const octave_diag_matrix&> (a2);
if (v2.rows () == 1 && v2.columns () == 1)
return octave_value (v1.sparse_matrix_value () / v2.scalar_value ());
else
{
MatrixType typ = v2.matrix_type ();
return xdiv (v1.sparse_matrix_value (), v2.diag_matrix_value (), typ);
}
}
DEFBINOP (add_sm_dm, sparse_matrix, diag_matrix)
{
const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
const octave_diag_matrix& v2 = dynamic_cast<const octave_diag_matrix&> (a2);
if (v1.rows () == 1 && v1.columns () == 1)
// If v1 is a scalar in disguise, return a diagonal matrix rather than
// a sparse matrix.
{
double d = v1.scalar_value ();
return octave_value (d + v2.matrix_value ());
}
else
return v1.sparse_matrix_value () + v2.diag_matrix_value ();
}
DEFBINOP (sub_sm_dm, sparse_matrix, diag_matrix)
{
const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
const octave_diag_matrix& v2 = dynamic_cast<const octave_diag_matrix&> (a2);
if (v1.rows () == 1 && v1.columns () == 1)
// If v1 is a scalar in disguise, return a diagonal matrix rather than
// a sparse matrix.
{
double d = v1.scalar_value ();
return octave_value (d - v2.matrix_value ());
}
else
return v1.sparse_matrix_value () - v2.diag_matrix_value ();
}
void
install_dm_sm_ops (octave::type_info& ti)
{
INSTALL_BINOP_TI (ti, op_mul, octave_diag_matrix, octave_sparse_matrix,
mul_dm_sm);
INSTALL_BINOP_TI (ti, op_add, octave_diag_matrix, octave_sparse_matrix,
add_dm_sm);
INSTALL_BINOP_TI (ti, op_sub, octave_diag_matrix, octave_sparse_matrix,
sub_dm_sm);
INSTALL_BINOP_TI (ti, op_ldiv, octave_diag_matrix, octave_sparse_matrix,
ldiv_dm_sm);
INSTALL_BINOP_TI (ti, op_mul, octave_sparse_matrix, octave_diag_matrix,
mul_sm_dm);
INSTALL_BINOP_TI (ti, op_add, octave_sparse_matrix, octave_diag_matrix,
add_sm_dm);
INSTALL_BINOP_TI (ti, op_sub, octave_sparse_matrix, octave_diag_matrix,
sub_sm_dm);
INSTALL_BINOP_TI (ti, op_div, octave_sparse_matrix, octave_diag_matrix,
div_sm_dm);
}
|
