octave: liboctave/util/lo-utils.cc annotate

annotate liboctave/util/lo-utils.cc @ 31608:23664317f0d3

maint: merge stable to default

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 20:05:44 -0800
parents	dfa5d9c3ae72 aac27ad79be6
children	5f11de0e7440

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 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30394 diff changeset	3 // Copyright (C) 1996-2022 The Octave Project Developers
27923 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
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	48 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	49
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	50 bool is_int_or_inf_or_nan (double x)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	51 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	52 return math::isnan (x) \|\| math::x_nint (x) == x;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	53 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	54
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	55 bool too_large_for_float (double x)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	56 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	57 return (math::isfinite (x)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	58 && fabs (x) > std::numeric_limits<float>::max ());
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	59 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	60
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	61 bool too_large_for_float (const Complex& x)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	62 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	63 return (too_large_for_float (x.real ())
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	64 \|\| too_large_for_float (x.imag ()));
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	65 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	66
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	67 bool is_int_or_inf_or_nan (float x)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	68 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	69 return math::isnan (x) \|\| math::x_nint (x) == x;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	70 }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	71
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	72 // Save a string.
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	73
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	74 char * strsave (const char *s)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	75 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	76 if (! s)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	77 return nullptr;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	78
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	79 int len = strlen (s);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	80 char *tmp = new char [len+1];
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	81 tmp = strcpy (tmp, s);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	82 return tmp;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	83 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	84
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	85 std::string fgets (FILE *f)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	86 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	87 bool eof;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	88 return fgets (f, eof);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	89 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	90
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	91 std::string fgets (FILE *f, bool& eof)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	92 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	93 eof = false;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	94
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	95 std::string retval;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	96
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	97 int grow_size = 1024;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	98 int max_size = grow_size;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	99
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	100 char buf = static_cast<char > (std::malloc (max_size));
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	101 if (! buf)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	102 (*current_liboctave_error_handler) ("octave_fgets: unable to malloc %d bytes", max_size);
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	103
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	104 char *bufptr = buf;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	105 int len = 0;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	106
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	107 do
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	108 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	109 if (std::fgets (bufptr, grow_size, f))
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	110 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	111 len = strlen (bufptr);
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	112
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	113 if (len == grow_size - 1)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	114 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	115 int tmp = bufptr - buf + grow_size - 1;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	116 grow_size *= 2;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	117 max_size += grow_size;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	118 auto tmpbuf = static_cast<char *> (std::realloc (buf, max_size));
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	119 if (! tmpbuf)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	120 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	121 free (buf);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	122 (*current_liboctave_error_handler) ("octave_fgets: unable to realloc %d bytes", max_size);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	123 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	124 buf = tmpbuf;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	125 bufptr = buf + tmp;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	126
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	127 if (*(bufptr-1) == '\n')
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	128 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	129 *bufptr = '\0';
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	130 retval = buf;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	131 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	132 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	133 else if (bufptr[len-1] != '\n')
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	134 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	135 bufptr[len++] = '\n';
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	136 bufptr[len] = '\0';
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	137 retval = buf;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	138 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	139 else
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	140 retval = buf;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	141 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	142 else
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	143 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	144 if (len == 0)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	145 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	146 eof = true;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	147
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	148 free (buf);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	149
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	150 buf = nullptr;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	151 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	152
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	153 break;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	154 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	155 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	156 while (retval.empty ());
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	157
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	158 free (buf);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	159
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	160 octave_quit ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	161
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	162 return retval;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	163 }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	164
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	165 std::string fgetl (FILE *f)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	166 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	167 bool eof;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	168 return fgetl (f, eof);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	169 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	170
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	171 std::string fgetl (FILE *f, bool& eof)
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	172 {
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	173 std::string retval = fgets (f, eof);
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	174
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	175 if (! retval.empty () && retval.back () == '\n')
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	176 retval.pop_back ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	177
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	178 return retval;
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	179 }
da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	180
29230 6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	181 template <typename T>
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	182 T
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	183 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	184 {
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	185 T retval;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	186 is >> retval;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	187 return retval;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	188 }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	189
29244 d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	190 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	191 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	192 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	193 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	194 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	195 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	196 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	197 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	198 template OCTAVE_API octave_uint64 read_value<octave_uint64> (std::istream& is);
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	199
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	200 // 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	201 // failure.
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	202
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	203 template <typename T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	204 T
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	205 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	206 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	207 T val = 0.0;
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	208
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	209 switch (c0)
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	210 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	211 case 'i': case 'I':
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	212 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	213 char c1 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	214 if (c1 == 'n' \|\| c1 == 'N')
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	215 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	216 char c2 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	217 if (c2 == 'f' \|\| c2 == 'F')
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	218 {
31542 2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383) Rik <rik@octave.org> parents: 31504 diff changeset	219 val = std::numeric_limits<T>::infinity ();
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383) Rik <rik@octave.org> parents: 31504 diff changeset	220 is.peek (); // Potentially set EOF bit
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	221 }
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	222 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	223 is.setstate (std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	224 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	225 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	226 is.setstate (std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	227 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	228 break;
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	229
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	230 case 'n': case 'N':
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	231 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	232 char c1 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	233 if (c1 == 'a' \|\| c1 == 'A')
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	234 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	235 char c2 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	236 if (c2 == 'n' \|\| c2 == 'N')
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	237 {
31542 2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383) Rik <rik@octave.org> parents: 31504 diff changeset	238 val = std::numeric_limits<T>::quiet_NaN ();
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383) Rik <rik@octave.org> parents: 31504 diff changeset	239 is.peek (); // Potentially set EOF bit
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383) Rik <rik@octave.org> parents: 31504 diff changeset	240 }
28628 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 {
28857 43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier John W. Eaton <jwe@octave.org> parents: 28849 diff changeset	243 val = numeric_limits<T>::NA ();
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	244 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	245 is.putback (c2);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	246 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	247 is.clear (is.rdstate () & ~std::ios::failbit);
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	248 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	249 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	250 else
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	251 is.setstate (std::ios::failbit);
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	252 }
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	253 break;
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 default:
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	256 (*current_liboctave_error_handler)
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	257 ("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	258 }
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 return val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	261 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	262
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	263 // 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	264
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	265 template <typename T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	266 double
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	267 read_fp_value (std::istream& is)
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	268 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	269 T val = 0.0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	270
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	271 // FIXME: resetting stream position is likely to fail unless we are
31504 d006285b7509 Fix scanf handling of bare '-' character for floating point formats (bug #63383) Rik <rik@octave.org> parents: 31500 diff changeset	272 // reading from a file.
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	273 std::streampos pos = is.tellg ();
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	274
31504 d006285b7509 Fix scanf handling of bare '-' character for floating point formats (bug #63383) Rik <rik@octave.org> parents: 31500 diff changeset	275 is >> std::ws; // skip through whitespace and advance stream pointer
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	276
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	277 bool neg = false;
31504 d006285b7509 Fix scanf handling of bare '-' character for floating point formats (bug #63383) Rik <rik@octave.org> parents: 31500 diff changeset	278 char c1 = is.get ();
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	279 switch (c1)
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	280 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	281 case '-':
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	282 neg = true;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	283 OCTAVE_FALLTHROUGH;
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 case '+':
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	286 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	287 char c2 = 0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	288 c2 = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	289 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	290 val = read_inf_nan_na<T> (is, c2);
31504 d006285b7509 Fix scanf handling of bare '-' character for floating point formats (bug #63383) Rik <rik@octave.org> parents: 31500 diff changeset	291 else if (isspace (c2))
d006285b7509 Fix scanf handling of bare '-' character for floating point formats (bug #63383) Rik <rik@octave.org> parents: 31500 diff changeset	292 is.setstate (std::ios::failbit);
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	293 else
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	294 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	295 is.putback (c2);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	296 is >> val;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	297 }
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	298
31542 2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383) Rik <rik@octave.org> parents: 31504 diff changeset	299 if (neg && ! math::isnan (val) && ! is.fail ())
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	300 val = -val;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	301 }
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	302 break;
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	303
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	304 case 'i': case 'I':
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	305 case 'n': case 'N':
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	306 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	307 break;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	308
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	309 default:
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	310 is.putback (c1);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	311 is >> val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	312 break;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	313 }
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	314
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	315 std::ios::iostate status = is.rdstate ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	316 if (status & std::ios::failbit)
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	317 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	318 // 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	319 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	320 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	321 if (neg)
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	322 val = -std::numeric_limits<T>::infinity ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	323 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	324 val = std::numeric_limits<T>::infinity ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	325 is.clear (status & ~std::ios::failbit);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	326 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	327 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	328 {
31500 6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723) Rik <rik@octave.org> parents: 30564 diff changeset	329 // True error.
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723) Rik <rik@octave.org> parents: 30564 diff changeset	330 // Reset stream to original position, clear eof bit, pass status on.
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	331 is.clear ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	332 is.seekg (pos);
31500 6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723) Rik <rik@octave.org> parents: 30564 diff changeset	333 is.setstate (status & ~std::ios_base::eofbit);
28628 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 }
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	336
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	337 return val;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	338 }
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	339
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	340 template <typename T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	341 std::complex<T>
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	342 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	343 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	344 T re = 0.0;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	345 T im = 0.0;
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	346
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	347 std::complex<T> cx = 0.0;
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 char ch = ' ';
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	350
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	351 while (isspace (ch))
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 == '(')
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	355 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	356 re = 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 == ',')
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 diff changeset	360 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	361 im = read_value<T> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	362 ch = is.get ();
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	363
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	364 if (ch == ')')
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	365 cx = std::complex<T> (re, im);
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	366 else
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	367 is.setstate (std::ios::failbit);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	368 }
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	369 else if (ch == ')')
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	370 cx = re;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	371 else
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	372 is.setstate (std::ios::failbit);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	373 }
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	374 else
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	375 {
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	376 is.putback (ch);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	377 cx = read_value<T> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	378 }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	379
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	380 return cx;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	381 }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	382
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	383 // 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	384 // following specializations?
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 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 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	387 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	388 return read_fp_value<double> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	389 }
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 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 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	392 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	393 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	394 }
29937 da7210e30f3e move some utility functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29445 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 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	397 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	398 return read_fp_value<float> (is);
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	399 }
29230 6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	400
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	401 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	402 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	403 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	404 }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	405
29230 6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	406 template <typename T>
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	407 void
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	408 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	409 {
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	410 os << value;
6b3faa844395 Set API tags in files in liboctave/util (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 28857 diff changeset	411 }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	412
29244 d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	413 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	414 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	415 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	416 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	417 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	418 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	419 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	420 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	421 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	422 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	423 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	424 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	425 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	426 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	427 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	428 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	429 template OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	430 write_value<octave_uint64> (std::ostream& os, const octave_uint64& value);
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	431
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	432 // 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	433 // setting stream parameters.
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	434
29244 d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	435 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	436 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	437 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	438 if (lo_ieee_is_NA (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	439 os << "NA";
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	440 else if (lo_ieee_isnan (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	441 os << "NaN";
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	442 else if (lo_ieee_isinf (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	443 os << (value < 0 ? "-Inf" : "Inf");
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	444 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	445 os << value;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	446 }
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	447
29244 d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	448 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	449 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	450 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	451 os << '(';
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	452 write_value<double> (os, real (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	453 os << ',';
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	454 write_value<double> (os, imag (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	455 os << ')';
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	456 }
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	457
28628 83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	458 // 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	459 // setting stream parameters.
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	460
29244 d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	461 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	462 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	463 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	464 if (lo_ieee_is_NA (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	465 os << "NA";
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	466 else if (lo_ieee_isnan (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	467 os << "NaN";
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	468 else if (lo_ieee_isinf (value))
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	469 os << (value < 0 ? "-Inf" : "Inf");
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	470 else
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	471 os << value;
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	472 }
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	473
29244 d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	474 template <> OCTAVE_API void
d1473e75d7d6 lo-utils: Export template instantiations (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 29230 diff changeset	475 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	476 {
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	477 os << '(';
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	478 write_value<float> (os, real (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	479 os << ',';
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	480 write_value<float> (os, imag (value));
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	481 os << ')';
83172e1c77f2 refactor octave_read_* and octave_write_* functions John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	482 }
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	483
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	484 OCTAVE_BEGIN_NAMESPACE(math)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	485
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	486 bool int_multiply_overflow (int a, int b, int *r)
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	487 {
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	488 return octave_i_multiply_overflow_wrapper (a, b, r);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	489 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	490
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	491 bool int_multiply_overflow (long int a, long int b, long int *r)
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	492 {
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	493 return octave_li_multiply_overflow_wrapper (a, b, r);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	494 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	495
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	496 #if defined (OCTAVE_HAVE_LONG_LONG_INT)
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	497 bool int_multiply_overflow (long long int a, long long int b,
b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	498 long long int *r)
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	499 {
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	500 return octave_lli_multiply_overflow_wrapper (a, b, r);
28849 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 #endif
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	503
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	504 bool int_multiply_overflow (unsigned int a, unsigned int b,
b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	505 unsigned int *r)
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	506 {
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	507 return octave_ui_multiply_overflow_wrapper (a, b, r);
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	508 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	509
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	510 bool int_multiply_overflow (unsigned long int a, unsigned long int b,
30394 f3f3e3793fb5 maint: style check C++ files in liboctave/ ahead of 7.1 release. Rik <rik@octave.org> parents: 29937 diff changeset	511 unsigned long int *r)
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	512 {
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	513 return octave_uli_multiply_overflow_wrapper (a, b, r);
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	514 }
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	515
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	516 #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	517 bool int_multiply_overflow (unsigned long long int a,
30394 f3f3e3793fb5 maint: style check C++ files in liboctave/ ahead of 7.1 release. Rik <rik@octave.org> parents: 29937 diff changeset	518 unsigned long long int b,
f3f3e3793fb5 maint: style check C++ files in liboctave/ ahead of 7.1 release. Rik <rik@octave.org> parents: 29937 diff changeset	519 unsigned long long int *r)
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	520 {
29445 b5f3ae7610cf Use gnulib macros that account for the output type in integer overflow checks. Markus Mützel <markus.muetzel@gmx.de> parents: 29359 diff changeset	521 return octave_ulli_multiply_overflow_wrapper (a, b, r);
28849 8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	522 }
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	523 #endif
8b0675c2cfe0 Add functions to check for integer overflow on multiplication (bug #59094). Markus Mützel <markus.muetzel@gmx.de> parents: 28643 diff changeset	524
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	525 OCTAVE_END_NAMESPACE(math)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	526 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

annotate liboctave/util/lo-utils.cc @ 31608:23664317f0d3