Mercurial > octave

annotate liboctave/util/lo-utils.cc @ 29244:d1473e75d7d6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
lo-utils: Export template instantiations (patch #8919). * liboctave/util/lo-utils.cc: Export template instantiations of read_value<T> and write_value<T>. Break some long lines.
author Markus Mützel <markus.muetzel@gmx.de>
date Fri, 01 Jan 2021 17:33:04 +0100
parents 6b3faa844395
children 7854d5752dd2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
27923
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
2 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
3 // Copyright (C) 1996-2020 The Octave Project Developers
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
4 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
7 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
9 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
14 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
19 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
23 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
24 ////////////////////////////////////////////////////////////////////////
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
25
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21723
diff changeset
26 #if defined (HAVE_CONFIG_H)
21301
40de9f8f23a6 Use '#include "config.h"' rather than <config.h>.
Rik <rik@octave.org>
parents: 21202
diff changeset
27 # include "config.h"
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
28 #endif
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
29
10463
bbe99b2a5ba7 undo recent gnulib-related changes
John W. Eaton <jwe@octave.org>
parents: 10447
diff changeset
30 #include <cstdlib>
7048
845ca0affec0 [project @ 2007-10-22 16:55:41 by jwe]
jwe
parents: 7017
diff changeset
31 #include <cstring>
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
32
23443
3f1bf237908b maint: Eliminate <cfloat.h> header from liboctave files.
Rik <rik@octave.org>
parents: 23220
diff changeset
33 #include <complex>
25438
cb1606f78f6b prefer <istream>, <ostream>, or <iosfwd> to <iostream> where possible
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
34 #include <istream>
6490
0ad7655cf2bc [project @ 2007-04-05 02:44:34 by jwe]
jwe
parents: 6202
diff changeset
35 #include <limits>
25438
cb1606f78f6b prefer <istream>, <ostream>, or <iosfwd> to <iostream> where possible
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
36 #include <ostream>
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
37 #include <string>
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
38
10068
ca93f583573d handle interrupts octave_fgets
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
39 #include "quit.h"
ca93f583573d handle interrupts octave_fgets
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
40
28849
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
41 #include "intprops-wrappers.h"
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
42 #include "lo-error.h"
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
43 #include "lo-ieee.h"
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
44 #include "lo-mappers.h"
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
45 #include "lo-utils.h"
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
46 #include "oct-inttypes.h"
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
47
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
48 bool xis_int_or_inf_or_nan (double x)
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
49 { return octave::math::isnan (x) || octave::math::x_nint (x) == x; }
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
50
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
51 bool xtoo_large_for_float (double x)
15213
336f42406671 use numeric_limits functions instead of DBL_MIN, DBL_MAX, etc.
John W. Eaton <jwe@octave.org>
parents: 15212
diff changeset
52 {
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23448
diff changeset
53 return (octave::math::isfinite (x)
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22323
diff changeset
54 && fabs (x) > std::numeric_limits<float>::max ());
15213
336f42406671 use numeric_limits functions instead of DBL_MIN, DBL_MAX, etc.
John W. Eaton <jwe@octave.org>
parents: 15212
diff changeset
55 }
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
56
15212
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents: 14811
diff changeset
57 bool xtoo_large_for_float (const Complex& x)
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents: 14811
diff changeset
58 {
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents: 14811
diff changeset
59 return (xtoo_large_for_float (x.real ())
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents: 14811
diff changeset
60 || xtoo_large_for_float (x.imag ()));
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents: 14811
diff changeset
61 }
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents: 14811
diff changeset
62
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
63 bool xis_int_or_inf_or_nan (float x)
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
64 { return octave::math::isnan (x) || octave::math::x_nint (x) == x; }
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
65
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
66 // Save a string.
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
67
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
68 char *
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
69 strsave (const char *s)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
70 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
71 if (! s)
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23564
diff changeset
72 return nullptr;
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
73
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
74 int len = strlen (s);
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
75 char *tmp = new char [len+1];
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
76 tmp = strcpy (tmp, s);
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
77 return tmp;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
78 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
79
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 2926
diff changeset
80 std::string
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
81 octave_fgets (FILE *f)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
82 {
4527
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
83 bool eof;
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
84 return octave_fgets (f, eof);
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
85 }
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
86
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
87 std::string
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
88 octave_fgets (FILE *f, bool& eof)
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
89 {
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
90 eof = false;
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
91
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 2926
diff changeset
92 std::string retval;
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
93
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
94 int grow_size = 1024;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
95 int max_size = grow_size;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
96
21942
aab79a1885cc limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents: 21888
diff changeset
97 char *buf = static_cast<char *> (std::malloc (max_size));
26439
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
98 if (! buf)
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
99 (*current_liboctave_error_handler) ("octave_fgets: unable to malloc %d bytes", max_size);
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
100
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
101 char *bufptr = buf;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
102 int len = 0;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
103
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
104 do
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
105 {
21942
aab79a1885cc limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents: 21888
diff changeset
106 if (std::fgets (bufptr, grow_size, f))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
107 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
108 len = strlen (bufptr);
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
109
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
110 if (len == grow_size - 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
111 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
112 int tmp = bufptr - buf + grow_size - 1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
113 grow_size *= 2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
114 max_size += grow_size;
26439
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
115 auto tmpbuf = static_cast<char *> (std::realloc (buf, max_size));
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
116 if (! tmpbuf)
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
117 {
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
118 free (buf);
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
119 (*current_liboctave_error_handler) ("octave_fgets: unable to realloc %d bytes", max_size);
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
120 }
4d5bf84ae249 lo-utils.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
121 buf = tmpbuf;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
122 bufptr = buf + tmp;
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
123
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
124 if (*(bufptr-1) == '\n')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
125 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
126 *bufptr = '\0';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
127 retval = buf;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
128 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
129 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
130 else if (bufptr[len-1] != '\n')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
131 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
132 bufptr[len++] = '\n';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
133 bufptr[len] = '\0';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
134 retval = buf;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
135 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
136 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
137 retval = buf;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
138 }
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
139 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
140 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
141 if (len == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
142 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
143 eof = true;
4527
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
144
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
145 free (buf);
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
146
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23564
diff changeset
147 buf = nullptr;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
148 }
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
149
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
150 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
151 }
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
152 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
153 while (retval.empty ());
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
154
23878
889b8262e661 maint: eliminate useless if (p) before free (p)
Mike Miller <mtmiller@octave.org>
parents: 23826
diff changeset
155 free (buf);
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
156
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10068
diff changeset
157 octave_quit ();
10068
ca93f583573d handle interrupts octave_fgets
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
158
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
159 return retval;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
160 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
161
3970
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
162 std::string
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
163 octave_fgetl (FILE *f)
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
164 {
4527
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
165 bool eof;
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
166 return octave_fgetl (f, eof);
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
167 }
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
168
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
169 std::string
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
170 octave_fgetl (FILE *f, bool& eof)
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
171 {
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
172 std::string retval = octave_fgets (f, eof);
3970
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
173
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
174 if (! retval.empty () && retval.back () == '\n')
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
175 retval.pop_back ();
3970
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
176
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
177 return retval;
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
178 }
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
179
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
180 namespace octave
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
181 {
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
182 template <typename T>
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
183 T
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
184 read_value (std::istream& is)
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
185 {
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
186 T retval;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
187 is >> retval;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
188 return retval;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
189 }
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
190
29244
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
191 template OCTAVE_API bool read_value<bool> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
192 template OCTAVE_API octave_int8 read_value<octave_int8> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
193 template OCTAVE_API octave_int16 read_value<octave_int16> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
194 template OCTAVE_API octave_int32 read_value<octave_int32> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
195 template OCTAVE_API octave_int64 read_value<octave_int64> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
196 template OCTAVE_API octave_uint8 read_value<octave_uint8> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
197 template OCTAVE_API octave_uint16 read_value<octave_uint16> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
198 template OCTAVE_API octave_uint32 read_value<octave_uint32> (std::istream& is);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
199 template OCTAVE_API octave_uint64 read_value<octave_uint64> (std::istream& is);
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
200
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
201 // Note that the caller is responsible for repositioning the stream on
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
202 // failure.
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
203
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
204 template <typename T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
205 T
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
206 read_inf_nan_na (std::istream& is, char c0)
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
207 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
208 T val = 0.0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
209
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
210 switch (c0)
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
211 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
212 case 'i': case 'I':
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
213 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
214 char c1 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
215 if (c1 == 'n' || c1 == 'N')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
216 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
217 char c2 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
218 if (c2 == 'f' || c2 == 'F')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
219 val = std::numeric_limits<T>::infinity ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
220 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
221 is.setstate (std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
222 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
223 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
224 is.setstate (std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
225 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
226 break;
14806
980e2d5c83f7 avoid calling putback more than once between reads
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
227
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
228 case 'n': case 'N':
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
229 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
230 char c1 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
231 if (c1 == 'a' || c1 == 'A')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
232 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
233 char c2 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
234 if (c2 == 'n' || c2 == 'N')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
235 val = std::numeric_limits<T>::quiet_NaN ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
236 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
237 {
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28849
diff changeset
238 val = numeric_limits<T>::NA ();
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
239 if (c2 != std::istream::traits_type::eof ())
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
240 is.putback (c2);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
241 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
242 is.clear (is.rdstate () & ~std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
243 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
244 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
245 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
246 is.setstate (std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
247 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
248 break;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
249
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
250 default:
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
251 (*current_liboctave_error_handler)
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
252 ("read_inf_nan_na: invalid character '%c'", c0);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
253 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
254
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
255 return val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
256 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
257
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
258 // Read a double value. Discard any sign on NaN and NA.
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
259
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
260 template <typename T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
261 double
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
262 read_fp_value (std::istream& is)
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
263 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
264 T val = 0.0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
265
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
266 // FIXME: resetting stream position is likely to fail unless we are
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
267 // reading from a file.
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
268 std::streampos pos = is.tellg ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
269
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
270 char c1 = ' ';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
271
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
272 while (isspace (c1))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
273 c1 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
274
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
275 bool neg = false;
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
276
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
277 switch (c1)
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
278 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
279 case '-':
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
280 neg = true;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
281 OCTAVE_FALLTHROUGH;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
282
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
283 case '+':
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
284 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
285 char c2 = 0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
286 c2 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
287 if (c2 == 'i' || c2 == 'I' || c2 == 'n' || c2 == 'N')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
288 val = read_inf_nan_na<T> (is, c2);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
289 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
290 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
291 is.putback (c2);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
292 is >> val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
293 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
294
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
295 if (neg && ! is.fail ())
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
296 val = -val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
297 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
298 break;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
299
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
300 case 'i': case 'I':
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
301 case 'n': case 'N':
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
302 val = read_inf_nan_na<T> (is, c1);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
303 break;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
304
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
305 default:
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
306 is.putback (c1);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
307 is >> val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
308 break;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
309 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
310
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
311 std::ios::iostate status = is.rdstate ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
312 if (status & std::ios::failbit)
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
313 {
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
314 // Convert MAX_VAL returned by C++ streams for very large numbers to Inf
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
315 if (val == std::numeric_limits<T>::max ())
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
316 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
317 if (neg)
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
318 val = -std::numeric_limits<T>::infinity ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
319 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
320 val = std::numeric_limits<T>::infinity ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
321 is.clear (status & ~std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
322 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
323 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
324 {
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
325 // True error. Reset stream to original position and pass status on.
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
326 is.clear ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
327 is.seekg (pos);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
328 is.setstate (status);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
329 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
330 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
331
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
332 return val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
333 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
334
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
335 template <typename T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
336 std::complex<T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
337 read_cx_fp_value (std::istream& is)
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
338 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
339 T re = 0.0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
340 T im = 0.0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
341
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
342 std::complex<T> cx = 0.0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
343
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
344 char ch = ' ';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
345
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
346 while (isspace (ch))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
347 ch = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
348
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
349 if (ch == '(')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
350 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
351 re = read_value<T> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
352 ch = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
353
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
354 if (ch == ',')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
355 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
356 im = read_value<T> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
357 ch = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
358
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
359 if (ch == ')')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
360 cx = std::complex<T> (re, im);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
361 else
14806
980e2d5c83f7 avoid calling putback more than once between reads
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
362 is.setstate (std::ios::failbit);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
363 }
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
364 else if (ch == ')')
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
365 cx = re;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
366 else
14806
980e2d5c83f7 avoid calling putback more than once between reads
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
367 is.setstate (std::ios::failbit);
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
368 }
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
369 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
370 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
371 is.putback (ch);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
372 cx = read_value<T> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
373 }
14806
980e2d5c83f7 avoid calling putback more than once between reads
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
374
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
375 return cx;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
376 }
14806
980e2d5c83f7 avoid calling putback more than once between reads
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
377
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
378 // FIXME: Could we use traits and enable_if to avoid duplication in the
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
379 // following specializations?
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
380
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
381 template <> OCTAVE_API double read_value (std::istream& is)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
382 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
383 return read_fp_value<double> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
384 }
14806
980e2d5c83f7 avoid calling putback more than once between reads
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
385
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
386 template <> OCTAVE_API Complex read_value (std::istream& is)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
387 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
388 return read_cx_fp_value<double> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
389 }
14806
980e2d5c83f7 avoid calling putback more than once between reads
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
390
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
391 template <> OCTAVE_API float read_value (std::istream& is)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
392 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
393 return read_fp_value<float> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
394 }
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
395
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
396 template <> OCTAVE_API FloatComplex read_value (std::istream& is)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
397 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
398 return read_cx_fp_value<float> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
399 }
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
400
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
401 template <typename T>
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
402 void
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
403 write_value (std::ostream& os, const T& value)
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
404 {
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
405 os << value;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
406 }
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
407
29244
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
408 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
409 write_value<bool> (std::ostream& os, const bool& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
410 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
411 write_value<octave_int8> (std::ostream& os, const octave_int8& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
412 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
413 write_value<octave_int16> (std::ostream& os, const octave_int16& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
414 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
415 write_value<octave_int32> (std::ostream& os, const octave_int32& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
416 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
417 write_value<octave_int64> (std::ostream& os, const octave_int64& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
418 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
419 write_value<octave_uint8> (std::ostream& os, const octave_uint8& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
420 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
421 write_value<octave_uint16> (std::ostream& os, const octave_uint16& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
422 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
423 write_value<octave_uint32> (std::ostream& os, const octave_uint32& value);
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
424 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
425 write_value<octave_uint64> (std::ostream& os, const octave_uint64& value);
29230
6b3faa844395 Set API tags in files in liboctave/util (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
426
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
427 // Note: precision is supposed to be managed outside of this function by
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
428 // setting stream parameters.
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
429
29244
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
430 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
431 write_value (std::ostream& os, const double& value)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
432 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
433 if (lo_ieee_is_NA (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
434 os << "NA";
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
435 else if (lo_ieee_isnan (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
436 os << "NaN";
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
437 else if (lo_ieee_isinf (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
438 os << (value < 0 ? "-Inf" : "Inf");
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
439 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
440 os << value;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
441 }
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
442
29244
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
443 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
444 write_value (std::ostream& os, const Complex& value)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
445 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
446 os << '(';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
447 write_value<double> (os, real (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
448 os << ',';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
449 write_value<double> (os, imag (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
450 os << ')';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
451 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
452
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
453 // Note: precision is supposed to be managed outside of this function by
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
454 // setting stream parameters.
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
455
29244
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
456 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
457 write_value (std::ostream& os, const float& value)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
458 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
459 if (lo_ieee_is_NA (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
460 os << "NA";
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
461 else if (lo_ieee_isnan (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
462 os << "NaN";
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
463 else if (lo_ieee_isinf (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
464 os << (value < 0 ? "-Inf" : "Inf");
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
465 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
466 os << value;
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
467 }
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
468
29244
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
469 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 29230
diff changeset
470 write_value (std::ostream& os, const FloatComplex& value)
28628
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
471 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
472 os << '(';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
473 write_value<float> (os, real (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
474 os << ',';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
475 write_value<float> (os, imag (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
476 os << ')';
83172e1c77f2 refactor octave_read_* and octave_write_* functions
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
477 }
28849
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
478
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
479 namespace math
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
480 {
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
481 bool int_multiply_overflow (int a, int b)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
482 {
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
483 return octave_i_multiply_overflow_wrapper (a, b);
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
484 }
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
485
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
486 bool int_multiply_overflow (long int a, long int b)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
487 {
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
488 return octave_li_multiply_overflow_wrapper (a, b);
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
489 }
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
490
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
491 #if defined (OCTAVE_HAVE_LONG_LONG_INT)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
492 bool int_multiply_overflow (long long int a, long long int b)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
493 {
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
494 return octave_lli_multiply_overflow_wrapper (a, b);
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
495 }
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
496 #endif
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
497
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
498 bool int_multiply_overflow (unsigned int a, unsigned int b)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
499 {
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
500 return octave_ui_multiply_overflow_wrapper (a, b);
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
501 }
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
502
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
503 bool int_multiply_overflow (unsigned long int a, unsigned long int b)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
504 {
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
505 return octave_uli_multiply_overflow_wrapper (a, b);
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
506 }
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
507
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
508 #if defined (OCTAVE_HAVE_UNSIGNED_LONG_LONG_INT)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
509 bool int_multiply_overflow (unsigned long long int a,
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
510 unsigned long long int b)
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
511 {
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
512 return octave_ulli_multiply_overflow_wrapper (a, b);
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
513 }
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
514 #endif
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
515
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28643
diff changeset
516 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
517 }