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-m.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-typeinfo.h"
33 #include "ov-null-mat.h"
34 #include "ops.h"
35 #include "xdiv.h"
36 #include "xpow.h"
37 
38 // matrix unary ops.
39 
40 DEFNDUNOP_OP (not, matrix, array, !)
41 DEFNDUNOP_OP (uplus, matrix, array, /* no-op */)
42 DEFNDUNOP_OP (uminus, matrix, array, -)
43 
44 DEFUNOP (transpose, matrix)
45 {
47 
48  if (v.ndims () > 2)
49  {
50  error ("transpose not defined for N-d objects");
51  return octave_value ();
52  }
53  else
54  return octave_value (v.matrix_value ().transpose ());
55 }
56 
57 DEFNCUNOP_METHOD (incr, matrix, increment)
58 DEFNCUNOP_METHOD (decr, matrix, decrement)
59 DEFNCUNOP_METHOD (changesign, matrix, changesign)
60 
61 // matrix by matrix ops.
62 
63 DEFNDBINOP_OP (add, matrix, matrix, array, array, +)
64 DEFNDBINOP_OP (sub, matrix, matrix, array, array, -)
65 
66 DEFBINOP_OP (mul, matrix, matrix, *)
67 
68 DEFBINOP (div, matrix, matrix)
69 {
71  MatrixType typ = v2.matrix_type ();
72 
73  Matrix ret = xdiv (v1.matrix_value (), v2.matrix_value (), typ);
74 
75  v2.matrix_type (typ);
76  return ret;
77 }
78 
79 DEFBINOPX (pow, matrix, matrix)
80 {
81  error ("can't do A ^ B for A and B both matrices");
82  return octave_value ();
83 }
84 
85 DEFBINOP (ldiv, matrix, matrix)
86 {
88  MatrixType typ = v1.matrix_type ();
89 
90  Matrix ret = xleftdiv (v1.matrix_value (), v2.matrix_value (), typ);
91 
92  v1.matrix_type (typ);
93  return ret;
94 }
95 
96 DEFBINOP (trans_mul, matrix, matrix)
97 {
101 }
102 
103 DEFBINOP (mul_trans, matrix, matrix)
104 {
108 }
109 
110 DEFBINOP (trans_ldiv, matrix, matrix)
111 {
113  MatrixType typ = v1.matrix_type ();
114 
116  typ, blas_trans);
117 
118  v1.matrix_type (typ);
119  return ret;
120 }
121 
122 DEFNDBINOP_FN (lt, matrix, matrix, array, array, mx_el_lt)
123 DEFNDBINOP_FN (le, matrix, matrix, array, array, mx_el_le)
124 DEFNDBINOP_FN (eq, matrix, matrix, array, array, mx_el_eq)
125 DEFNDBINOP_FN (ge, matrix, matrix, array, array, mx_el_ge)
126 DEFNDBINOP_FN (gt, matrix, matrix, array, array, mx_el_gt)
127 DEFNDBINOP_FN (ne, matrix, matrix, array, array, mx_el_ne)
128 
129 DEFNDBINOP_FN (el_mul, matrix, matrix, array, array, product)
130 DEFNDBINOP_FN (el_div, matrix, matrix, array, array, quotient)
131 DEFNDBINOP_FN (el_pow, matrix, matrix, array, array, elem_xpow)
132 
133 DEFBINOP (el_ldiv, matrix, matrix)
134 {
136 
137  return octave_value (quotient (v2.array_value (), v1.array_value ()));
138 }
139 
140 DEFNDBINOP_FN (el_and, matrix, matrix, array, array, mx_el_and)
141 DEFNDBINOP_FN (el_or, matrix, matrix, array, array, mx_el_or)
142 DEFNDBINOP_FN (el_not_and, matrix, matrix, array, array, mx_el_not_and)
143 DEFNDBINOP_FN (el_not_or, matrix, matrix, array, array, mx_el_not_or)
144 DEFNDBINOP_FN (el_and_not, matrix, matrix, array, array, mx_el_and_not)
145 DEFNDBINOP_FN (el_or_not, matrix, matrix, array, array, mx_el_or_not)
146 
147 
148 DEFNDCATOP_FN (m_m, matrix, matrix, array, array, concat)
149 
150 DEFNDASSIGNOP_FN (assign, matrix, matrix, array, assign)
151 DEFNDASSIGNOP_FN (sgl_assign, float_matrix, matrix, float_array, assign)
152 
153 DEFNULLASSIGNOP_FN (null_assign, matrix, delete_elements)
154 
155 DEFNDASSIGNOP_OP (assign_add, matrix, matrix, array, +=)
156 DEFNDASSIGNOP_OP (assign_sub, matrix, matrix, array, -=)
157 DEFNDASSIGNOP_FNOP (assign_el_mul, matrix, matrix, array, product_eq)
158 DEFNDASSIGNOP_FNOP (assign_el_div, matrix, matrix, array, quotient_eq)
159 
160 CONVDECL (matrix_to_float_matrix)
161 {
162  CAST_CONV_ARG (const octave_matrix&);
163 
164  return new octave_float_matrix (FloatNDArray (v.array_value ()));
165 }
166 
167 void
169 {
175 
178  INSTALL_NCUNOP (op_uminus, octave_matrix, changesign);
179 
208 
210 
213 
217 
222 
223  INSTALL_CONVOP (octave_matrix, octave_float_matrix, matrix_to_float_matrix);
224 }