GNU Octave  4.0.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Pages
op-s-sm.cc
Go to the documentation of this file.
1 /*
2 
3 Copyright (C) 2004-2015 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-scalar.h"
33 #include "ops.h"
34 #include "xpow.h"
35 
36 #include "sparse-xpow.h"
37 #include "sparse-xdiv.h"
38 #include "ov-re-sparse.h"
39 
40 // scalar by sparse matrix ops.
41 
42 DEFBINOP_OP (add, scalar, sparse_matrix, +)
43 DEFBINOP_OP (sub, scalar, sparse_matrix, -)
44 DEFBINOP_OP (mul, scalar, sparse_matrix, *)
45 
46 DEFBINOP (div, scalar, sparse_matrix)
47 {
49 
50  if (v2.rows () == 1 && v2.columns () == 1)
51  {
52  double d = v2.scalar_value ();
53 
54  if (d == 0.0)
56 
57  return octave_value (SparseMatrix (1, 1, v1.scalar_value () / d));
58  }
59  else
60  {
61  MatrixType typ = v2.matrix_type ();
62  Matrix m1 = Matrix (1, 1, v1.double_value ());
64  Matrix ret = xdiv (m1, m2, typ);
65  v2.matrix_type (typ);
66  return ret;
67  }
68 }
69 
70 DEFBINOP (pow, scalar, sparse_matrix)
71 {
73  return xpow (v1.scalar_value (), v2.matrix_value ());
74 }
75 
76 DEFBINOP (ldiv, scalar, sparse_matrix)
77 {
79 
80  double d = v1.double_value ();
81  octave_value retval;
82 
83  if (d == 0.0)
85 
86  retval = octave_value (v2.sparse_matrix_value () / d);
87 
88  return retval;
89 }
90 
91 DEFBINOP_FN (lt, scalar, sparse_matrix, mx_el_lt)
92 DEFBINOP_FN (le, scalar, sparse_matrix, mx_el_le)
93 DEFBINOP_FN (eq, scalar, sparse_matrix, mx_el_eq)
94 DEFBINOP_FN (ge, scalar, sparse_matrix, mx_el_ge)
95 DEFBINOP_FN (gt, scalar, sparse_matrix, mx_el_gt)
96 DEFBINOP_FN (ne, scalar, sparse_matrix, mx_el_ne)
97 
98 DEFBINOP_OP (el_mul, scalar, sparse_matrix, *)
99 DEFBINOP_FN (el_div, scalar, sparse_matrix, x_el_div)
100 DEFBINOP_FN (el_pow, scalar, sparse_matrix, elem_xpow)
101 
102 DEFBINOP (el_ldiv, scalar, sparse_matrix)
103 {
105 
106  double d = v1.double_value ();
107  octave_value retval;
108 
109  if (d == 0.0)
111 
112  retval = octave_value (v2.sparse_matrix_value () / d);
113 
114  return retval;
115 }
116 
117 DEFBINOP_FN (el_and, scalar, sparse_matrix, mx_el_and)
118 DEFBINOP_FN (el_or, scalar, sparse_matrix, mx_el_or)
119 
120 DEFCATOP (s_sm, scalar, sparse_matrix)
121 {
123  SparseMatrix tmp (1, 1, v1.scalar_value ());
124  return octave_value (tmp.concat (v2.sparse_matrix_value (), ra_idx));
125 }
126 
127 DEFCONV (sparse_matrix_conv, scalar, sparse_matrix)
128 {
129  CAST_CONV_ARG (const octave_scalar&);
130 
131  return new octave_sparse_matrix (SparseMatrix (v.matrix_value ()));
132 }
133 
134 void
136 {
155 
157 
159 
160  INSTALL_WIDENOP (octave_scalar, octave_sparse_matrix, sparse_matrix_conv);
161 }
double scalar_value(bool frc_str_conv=false) const
Definition: ov-ch-mat.h:102
octave_value xpow(const SparseMatrix &a, double b)
Definition: sparse-xpow.cc:59
#define DEFBINOP(name, t1, t2)
Definition: ops.h:279
octave_value op_el_pow(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1342
const octave_base_value const Array< octave_idx_type > & ra_idx
octave_value op_eq(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1335
octave_idx_type columns(void) const
Definition: ov-base.h:301
octave_value op_el_ldiv(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1343
virtual double scalar_value(bool frc_str_conv=false) const
Definition: ov-base.h:475
boolMatrix mx_el_le(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:90
void install_s_sm_ops(void)
Definition: op-s-sm.cc:135
#define INSTALL_WIDENOP(t1, t2, f)
Definition: ops.h:72
octave_value op_pow(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1328
const octave_base_value const Array< octave_idx_type > &ra_idx octave_int16_scalar & v1
MatrixType matrix_type(void) const
Definition: ov-base-mat.h:120
F77_RET_T const double const double double * d
#define CAST_BINOP_ARGS(t1, t2)
Definition: ops.h:79
#define DEFBINOP_OP(name, t1, t2, op)
Definition: ops.h:282
octave_value op_div(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1326
octave_value op_el_or(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1345
#define INSTALL_BINOP(op, t1, t2, f)
Definition: ops.h:46
Matrix matrix_value(bool=false) const
Definition: ov-ch-mat.h:108
boolMatrix mx_el_ge(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:90
#define CAST_CONV_ARG(t)
Definition: ops.h:83
virtual double double_value(bool=false) const
Definition: ov-base.cc:517
Matrix x_el_div(double a, const SparseMatrix &b)
Definition: sparse-xdiv.cc:373
boolMatrix mx_el_gt(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:90
virtual SparseMatrix sparse_matrix_value(bool=false) const
Definition: ov-base.cc:677
octave_value elem_xpow(double a, const SparseMatrix &b)
Definition: sparse-xpow.cc:258
octave_value op_el_and(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1344
octave_int< T > pow(const octave_int< T > &a, const octave_int< T > &b)
boolMatrix mx_el_ne(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:90
Definition: dMatrix.h:35
octave_value op_le(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1334
octave_value op_lt(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1333
#define INSTALL_CATOP(t1, t2, f)
Definition: ops.h:51
octave_value op_el_div(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1341
#define DEFCATOP(name, t1, t2)
Definition: ops.h:352
const octave_char_matrix & v2
boolMatrix mx_el_or(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:87
Matrix xdiv(const Matrix &a, const SparseMatrix &b, MatrixType &typ)
Definition: sparse-xdiv.cc:135
octave_value op_ne(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1338
boolMatrix mx_el_and(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:87
octave_value op_add(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1323
octave_value op_ldiv(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1329
octave_value op_sub(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1324
#define DEFCONV(name, a_dummy, b_dummy)
Definition: ops.h:174
boolMatrix mx_el_lt(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:90
octave_value op_el_mul(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1340
#define DEFBINOP_FN(name, t1, t2, f)
Definition: ops.h:323
#define INSTALL_ASSIGNCONV(t1, t2, tr)
Definition: ops.h:64
octave_value op_ge(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1336
boolMatrix mx_el_eq(const boolMatrix &m1, const boolMatrix &m2)
Definition: boolMatrix.cc:90
octave_value op_mul(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1325
void gripe_divide_by_zero(void)
Definition: gripes.cc:195
octave_idx_type rows(void) const
Definition: ov-base.h:294
octave_value op_gt(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1337
return octave_value(v1.char_array_value().concat(v2.char_array_value(), ra_idx),((a1.is_sq_string()||a2.is_sq_string())? '\'': '"'))
static bool scalar(const dim_vector &dims)
Definition: ov-struct.cc:736