GNU Octave  3.8.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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op-m-sm.cc
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1 /*
2 
3 Copyright (C) 2004-2013 David Bateman
4 Copyright (C) 1998-2004 Andy Adler
5 
6 This file is part of Octave.
7 
8 Octave is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
12 
13 Octave is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17 
18 You should have received a copy of the GNU General Public License
19 along with Octave; see the file COPYING. If not, see
20 <http://www.gnu.org/licenses/>.
21 
22 */
23 
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27 
28 #include "gripes.h"
29 #include "oct-obj.h"
30 #include "ov.h"
31 #include "ov-typeinfo.h"
32 #include "ov-re-mat.h"
33 #include "ops.h"
34 #include "xdiv.h"
35 
36 #include "sparse-xpow.h"
37 #include "sparse-xdiv.h"
38 #include "smx-sm-m.h"
39 #include "smx-m-sm.h"
40 #include "ov-re-sparse.h"
41 
42 // matrix by sparse matrix ops.
43 
44 DEFBINOP_OP (add, matrix, sparse_matrix, +)
45 DEFBINOP_OP (sub, matrix, sparse_matrix, -)
46 
47 DEFBINOP_OP (mul, matrix, sparse_matrix, *)
48 
49 DEFBINOP (div, matrix, sparse_matrix)
50 {
52 
53  if (v2.rows () == 1 && v2.columns () == 1)
54  {
55  double d = v2.scalar_value ();
56 
57  if (d == 0.0)
59 
60  return octave_value (v1.array_value () / d);
61  }
62  else
63  {
64  MatrixType typ = v2.matrix_type ();
65 
66  Matrix ret = xdiv (v1.matrix_value (), v2.sparse_matrix_value (), typ);
67 
68  v2.matrix_type (typ);
69  return ret;
70  }
71 }
72 
73 DEFBINOPX (pow, matrix, sparse_matrix)
74 {
75  error ("can't do A ^ B for A and B both matrices");
76  return octave_value ();
77 }
78 
79 DEFBINOP (ldiv, matrix, sparse_matrix)
80 {
82  MatrixType typ = v1.matrix_type ();
83 
84  Matrix ret = xleftdiv (v1.matrix_value (), v2.matrix_value (), typ);
85 
86  v1.matrix_type (typ);
87  return ret;
88 }
89 
90 DEFBINOP_FN (mul_trans, matrix, sparse_matrix, mul_trans);
91 
92 DEFBINOP_FN (lt, matrix, sparse_matrix, mx_el_lt)
93 DEFBINOP_FN (le, matrix, sparse_matrix, mx_el_le)
94 DEFBINOP_FN (eq, matrix, sparse_matrix, mx_el_eq)
95 DEFBINOP_FN (ge, matrix, sparse_matrix, mx_el_ge)
96 DEFBINOP_FN (gt, matrix, sparse_matrix, mx_el_gt)
97 DEFBINOP_FN (ne, matrix, sparse_matrix, mx_el_ne)
98 
99 DEFBINOP_FN (el_mul, matrix, sparse_matrix, product)
100 DEFBINOP_FN (el_div, matrix, sparse_matrix, quotient)
101 
102 DEFBINOP (el_pow, matrix, sparse_matrix)
103 {
105 
107  v2.sparse_matrix_value ()));
108 }
109 
110 DEFBINOP (el_ldiv, matrix, sparse_matrix)
111 {
113 
114  return octave_value
116 }
117 
118 DEFBINOP_FN (el_and, matrix, sparse_matrix, mx_el_and)
119 DEFBINOP_FN (el_or, matrix, sparse_matrix, mx_el_or)
120 
121 DEFCATOP (m_sm, matrix, sparse_matrix)
122 {
124  SparseMatrix tmp (v1.matrix_value ());
125  return octave_value (tmp. concat (v2.sparse_matrix_value (), ra_idx));
126 }
127 
128 DEFCONV (sparse_matrix_conv, matrix, sparse_matrix)
129 {
130  CAST_CONV_ARG (const octave_matrix&);
131  return new octave_sparse_matrix (SparseMatrix (v.matrix_value ()));
132 }
133 
134 DEFNDASSIGNOP_FN (assign, matrix, sparse_matrix, array, assign)
135 
136 void
138 {
159 
161 
164 
166  sparse_matrix_conv);
167 }