Mercurial > hg > octave-nkf

annotate src/ov-flt-re-diag.cc @ 10809:85cbd239fce2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
try a better status bar for fltk backend
author Shai Ayal <shaiay@users.sourceforge.net>
date Tue, 20 Jul 2010 19:31:17 +0300
parents 57a59eae83cc
children 0eb323b71957
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
1 /*
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
2
8920
eb63fbe60fab update copyright notices
John W. Eaton <jwe@octave.org>
parents: 8834
diff changeset
3 Copyright (C) 2008, 2009 Jaroslav Hajek
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
4
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
5 This file is part of Octave.
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
6
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
9 Free Software Foundation; either version 3 of the License, or (at your
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
10 option) any later version.
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
11
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
15 for more details.
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
16
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
17 You should have received a copy of the GNU General Public License
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
18 along with Octave; see the file COPYING. If not, see
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
19 <http://www.gnu.org/licenses/>.
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
20
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
21 */
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
22
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
23 #ifdef HAVE_CONFIG_H
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
24 #include <config.h>
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
25 #endif
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
26
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
27 #include "byte-swap.h"
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
28
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
29 #include "ov-flt-re-diag.h"
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
30 #include "ov-base-diag.cc"
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
31 #include "ov-float.h"
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
32 #include "ov-flt-re-mat.h"
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
33 #include "ls-utils.h"
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
34
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
35 template class octave_base_diag<FloatDiagMatrix, FloatMatrix>;
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
36
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
37 DEFINE_OCTAVE_ALLOCATOR (octave_float_diag_matrix);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
38
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
39 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_float_diag_matrix,
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
40 "float diagonal matrix", "single");
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
41
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
42 static octave_base_value *
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
43 default_numeric_conversion_function (const octave_base_value& a)
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
44 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
45 CAST_CONV_ARG (const octave_float_diag_matrix&);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
46
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
47 return new octave_float_matrix (v.float_matrix_value ());
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
48 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
49
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
50 octave_base_value::type_conv_info
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
51 octave_float_diag_matrix::numeric_conversion_function (void) const
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
52 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
53 return octave_base_value::type_conv_info (default_numeric_conversion_function,
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
54 octave_float_matrix::static_type_id ());
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
55 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
56
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
57 octave_base_value *
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
58 octave_float_diag_matrix::try_narrowing_conversion (void)
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
59 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
60 octave_base_value *retval = 0;
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
61
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
62 // FIXME: the proxy mechanism of DiagArray2 causes problems here.
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
63 if (matrix.nelem () == 1)
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
64 retval = new octave_float_scalar (float (matrix (0, 0)));
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
65
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
66 return retval;
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
67 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
68
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
69 DiagMatrix
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
70 octave_float_diag_matrix::diag_matrix_value (bool) const
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
71 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
72 return DiagMatrix (matrix);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
73 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
74
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
75 FloatDiagMatrix
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
76 octave_float_diag_matrix::float_diag_matrix_value (bool) const
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
77 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
78 return matrix;
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
79 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
80
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
81 ComplexDiagMatrix
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
82 octave_float_diag_matrix::complex_diag_matrix_value (bool) const
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
83 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
84 return ComplexDiagMatrix (matrix);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
85 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
86
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
87 FloatComplexDiagMatrix
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
88 octave_float_diag_matrix::float_complex_diag_matrix_value (bool) const
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
89 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
90 return FloatComplexDiagMatrix (matrix);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
91 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
92
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
93 octave_value
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
94 octave_float_diag_matrix::map (unary_mapper_t umap) const
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
95 {
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
96 switch (umap)
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
97 {
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
98 case umap_abs:
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
99 return matrix.abs ();
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
100 case umap_real:
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
101 case umap_conj:
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
102 return matrix;
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
103 case umap_imag:
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
104 return DiagMatrix (matrix.rows (), matrix.cols (), 0.0);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
105 case umap_sqrt:
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
106 {
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
107 FloatComplexColumnVector tmp = matrix.diag ().map<FloatComplex> (rc_sqrt);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
108 FloatComplexDiagMatrix retval (tmp);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
109 retval.resize (matrix.rows (), matrix.columns ());
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
110 return retval;
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
111 }
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
112 default:
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
113 return to_dense ().map (umap);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
114 }
8834
8dd69187c4a2 specialize sqrt for diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
115 }
8dd69187c4a2 specialize sqrt for diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8677
diff changeset
116
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
117 bool
8677
095ae5e0a831 eliminte some compiler warnings
John W. Eaton <jwe@octave.org>
parents: 8650
diff changeset
118 octave_float_diag_matrix::save_binary (std::ostream& os,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
119 bool& /* save_as_floats*/)
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
120 {
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
121
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
122 int32_t r = matrix.rows (), c = matrix.cols ();
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
123 os.write (reinterpret_cast<char *> (&r), 4);
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
124 os.write (reinterpret_cast<char *> (&c), 4);
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
125
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
126 FloatMatrix m = FloatMatrix (matrix.diag ());
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
127 save_type st = LS_FLOAT;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
128 if (matrix.length () > 8192) // FIXME -- make this configurable.
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
129 {
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
130 float max_val, min_val;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
131 if (m.all_integers (max_val, min_val))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
132 st = get_save_type (max_val, min_val);
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
133 }
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
134
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
135 const float *mtmp = m.data ();
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
136 write_floats (os, mtmp, st, m.numel ());
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
137
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
138 return true;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
139 }
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
140
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
141 bool
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
142 octave_float_diag_matrix::load_binary (std::istream& is, bool swap,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
143 oct_mach_info::float_format fmt)
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
144 {
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
145 int32_t r, c;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
146 char tmp;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
147 if (! (is.read (reinterpret_cast<char *> (&r), 4)
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
148 && is.read (reinterpret_cast<char *> (&c), 4)
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
149 && is.read (reinterpret_cast<char *> (&tmp), 1)))
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
150 return false;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
151 if (swap)
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
152 {
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
153 swap_bytes<4> (&r);
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
154 swap_bytes<4> (&c);
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
155 }
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
156
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
157 FloatDiagMatrix m (r, c);
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
158 float *re = m.fortran_vec ();
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
159 octave_idx_type len = m.length ();
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
160 read_floats (is, re, static_cast<save_type> (tmp), len, swap, fmt);
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
161 if (error_state || ! is)
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
162 return false;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
163 matrix = m;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
164
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
165 return true;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
166 }
8398
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
167
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
168 bool
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
169 octave_float_diag_matrix::chk_valid_scalar (const octave_value& val,
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
170 float& x) const
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
171 {
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
172 bool retval = val.is_real_scalar ();
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
173 if (retval)
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
174 x = val.float_value ();
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
175 return retval;
d95282fa0579 allow element assignment to diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8381
diff changeset
176 }