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-s.cc
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1 /*
2 
3 Copyright (C) 1996-2013 John W. Eaton
4 
5 This file is part of Octave.
6 
7 Octave is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11 
12 Octave is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with Octave; see the file COPYING. If not, see
19 <http://www.gnu.org/licenses/>.
20 
21 */
22 
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26 
27 #include "gripes.h"
28 #include "oct-obj.h"
29 #include "ov.h"
30 #include "ov-re-mat.h"
31 #include "ov-flt-re-mat.h"
32 #include "ov-flt-cx-mat.h"
33 #include "ov-scalar.h"
34 #include "ov-typeinfo.h"
35 #include "ops.h"
36 #include "xdiv.h"
37 #include "xpow.h"
38 
39 // matrix by scalar ops.
40 
41 DEFNDBINOP_OP (add, matrix, scalar, array, scalar, +)
42 DEFNDBINOP_OP (sub, matrix, scalar, array, scalar, -)
43 DEFNDBINOP_OP (mul, matrix, scalar, array, scalar, *)
44 
45 DEFBINOP (div, matrix, scalar)
46 {
48 
49  double d = v2.double_value ();
50 
51  if (d == 0.0)
53 
54  return octave_value (v1.array_value () / d);
55 }
56 
58 
59 DEFBINOP (ldiv, matrix, scalar)
60 {
62 
63  Matrix m1 = v1.matrix_value ();
64  Matrix m2 = v2.matrix_value ();
65  MatrixType typ = v1.matrix_type ();
66 
67  Matrix ret = xleftdiv (m1, m2, typ);
68 
69  v1.matrix_type (typ);
70  return ret;
71 }
72 
73 DEFNDBINOP_FN (lt, matrix, scalar, array, scalar, mx_el_lt)
74 DEFNDBINOP_FN (le, matrix, scalar, array, scalar, mx_el_le)
75 DEFNDBINOP_FN (eq, matrix, scalar, array, scalar, mx_el_eq)
76 DEFNDBINOP_FN (ge, matrix, scalar, array, scalar, mx_el_ge)
77 DEFNDBINOP_FN (gt, matrix, scalar, array, scalar, mx_el_gt)
78 DEFNDBINOP_FN (ne, matrix, scalar, array, scalar, mx_el_ne)
79 
80 DEFNDBINOP_OP (el_mul, matrix, scalar, array, scalar, *)
81 
82 DEFBINOP (el_div, matrix, scalar)
83 {
85 
86  double d = v2.double_value ();
87 
88  if (d == 0.0)
90 
91  return octave_value (v1.array_value () / d);
92 }
93 
94 DEFNDBINOP_FN (el_pow, matrix, scalar, array, scalar, elem_xpow)
95 
96 DEFBINOP (el_ldiv, matrix, scalar)
97 {
99 
100  return x_el_div (v2.double_value (), v1.array_value ());
101 }
102 
103 DEFNDBINOP_FN (el_and, matrix, scalar, array, scalar, mx_el_and)
104 DEFNDBINOP_FN (el_or, matrix, scalar, array, scalar, mx_el_or)
105 
106 DEFNDCATOP_FN (m_s, matrix, scalar, array, array, concat)
107 
108 DEFNDASSIGNOP_FN (assign, matrix, scalar, scalar, assign)
109 DEFNDASSIGNOP_FN (sgl_assign, float_matrix, scalar, float_scalar, assign)
110 DEFNDASSIGNOP_FN (clx_sgl_assign, float_complex_matrix, scalar, float_complex,
111  assign)
112 
113 DEFNDASSIGNOP_OP (assign_add, matrix, scalar, scalar, +=)
114 DEFNDASSIGNOP_OP (assign_sub, matrix, scalar, scalar, -=)
115 DEFNDASSIGNOP_OP (assign_mul, matrix, scalar, scalar, *=)
116 DEFNDASSIGNOP_OP (assign_div, matrix, scalar, scalar, /=)
117 
118 void
120 {
127 
128  // INSTALL_BINOP (op_lt, octave_matrix, octave_scalar, lt);
129 
133 
145 
147 
151  clx_sgl_assign);
152 
157 }