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

annotate liboctave/util/lo-utils.cc @ 21723:bae585228161

use namespace for numeric_limits * lo-ieee.h (octave_numeric_limits): Rename to numeric_limits and define inside octave namespace. * Canvas.cc, data.cc, graphics.cc, graphics.in.h, oct-handle.h, oct-stream.cc, quadcc.cc, sparse-xdiv.cc, str2double.cc, variables.h, __glpk__.cc, __init_fltk__.cc, __voronoi__.cc, octave.cc, CMatrix.cc, CNDArray.cc, CSparse.cc, Sparse-C.cc, dDiagMatrix.cc, dMatrix.cc, dSparse.cc, fCMatrix.cc, fCNDArray.cc, fDiagMatrix.cc, fMatrix.cc, Faddeeva.cc, eigs-base.cc, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, oct-norm.cc, oct-rand.cc, oct-rand.h, oct-spparms.cc, randgamma.cc, randpoisson.cc, lo-utils.cc: Change all uses of octave_numeric_limits to octave::numeric_limits.

author	John W. Eaton <jwe@octave.org>
date	Tue, 17 May 2016 11:32:53 -0400
parents	74b07936fd05
children	aba2e6293dd8

rev	line source
1993 1b57120c997b [project @ 1996-03-03 01:16:15 by jwe] jwe parents: 1967 diff changeset	1 // utils.cc
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	2 /*
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	3
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 18084 diff changeset	4 Copyright (C) 1996-2015 John W. Eaton
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	5
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	7
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6907 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6907 diff changeset	11 option) any later version.
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	12
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	16 for more details.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	17
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6907 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6907 diff changeset	20 <http://www.gnu.org/licenses/>.
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	21
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	22 */
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	23
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21202 diff changeset	25 # include "config.h"
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	26 #endif
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	27
6907 c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	28 #include <cctype>
10463 bbe99b2a5ba7 undo recent gnulib-related changes John W. Eaton <jwe@octave.org> parents: 10447 diff changeset	29 #include <cstdlib>
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	30 #include <cstdio>
7048 845ca0affec0 [project @ 2007-10-22 16:55:41 by jwe] jwe parents: 7017 diff changeset	31 #include <cstring>
11010 9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	32 #include <cfloat>
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	33
6490 0ad7655cf2bc [project @ 2007-04-05 02:44:34 by jwe] jwe parents: 6202 diff changeset	34 #include <limits>
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	35 #include <string>
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	36
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	37 #include <sys/types.h>
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	38 #include <unistd.h>
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	39
10068 ca93f583573d handle interrupts octave_fgets Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	40 #include "quit.h"
ca93f583573d handle interrupts octave_fgets Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	41
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"
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	46
11010 9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	47 bool xis_int_or_inf_or_nan (double x)
11013 63f79f798a14 fix small typos in new tests Jaroslav Hajek <highegg@gmail.com> parents: 11010 diff changeset	48 { return xisnan (x) \|\| D_NINT (x) == x; }
11010 9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	49
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	50 bool xis_one_or_zero (double x)
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	51 { return x == 0 \|\| x == 1; }
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	52
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	53 bool xis_zero (double x)
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	54 { return x == 0; }
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	55
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	56 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	57 {
16971 259c1f295a1e Use xfinite to replace some (isinf \|\| isnan) instances in C++ code. Rik <rik@octave.org> parents: 15454 diff changeset	58 return (xfinite (x) && 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	59 }
11010 9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	60
15212 4bbd3bbb8912 reduce code duplication in too_large_for_float array functions John W. Eaton <jwe@octave.org> parents: 14811 diff changeset	61 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	62 {
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions John W. Eaton <jwe@octave.org> parents: 14811 diff changeset	63 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	64 \|\| 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	65 }
4bbd3bbb8912 reduce code duplication in too_large_for_float array functions John W. Eaton <jwe@octave.org> parents: 14811 diff changeset	66
11010 9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	67 bool xis_int_or_inf_or_nan (float x)
11013 63f79f798a14 fix small typos in new tests Jaroslav Hajek <highegg@gmail.com> parents: 11010 diff changeset	68 { return xisnan (x) \|\| D_NINT (x) == x; }
11010 9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	69
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	70 bool xis_one_or_zero (float x)
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	71 { return x == 0 \|\| x == 1; }
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	72
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	73 bool xis_zero (float x)
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	74 { return x == 0; }
9478b216752e simplify more array tests Jaroslav Hajek <highegg@gmail.com> parents: 10463 diff changeset	75
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	76 // Save a string.
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	77
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	78 char *
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	79 strsave (const char *s)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	80 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	81 if (! s)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	82 return 0;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	83
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	84 int len = strlen (s);
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	85 char *tmp = new char [len+1];
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	86 tmp = strcpy (tmp, s);
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	87 return tmp;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	88 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	89
17788 415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	90 // This function was adapted from xputenv from Karl Berry's kpathsearch
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	91 // library.
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	92
17861 870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code. Rik <rik@octave.org> parents: 17788 diff changeset	93 // FIXME: make this do the right thing if we don't have a SMART_PUTENV.
17788 415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	94
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	95 void
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 2926 diff changeset	96 octave_putenv (const std::string& name, const std::string& value)
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	97 {
17788 415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	98 int new_len = name.length () + value.length () + 2;
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	99
21444 74b07936fd05 lo-utils.cc: Add note about inevitable memory leak from using putenv. Rik <rik@octave.org> parents: 21301 diff changeset	100 // FIXME: This leaks memory, but so would a call to setenv.
74b07936fd05 lo-utils.cc: Add note about inevitable memory leak from using putenv. Rik <rik@octave.org> parents: 21301 diff changeset	101 // Short of extreme measures to track memory, altering the environment
74b07936fd05 lo-utils.cc: Add note about inevitable memory leak from using putenv. Rik <rik@octave.org> parents: 21301 diff changeset	102 // always leaks memory, but the saving grace is that the leaks are small.
17788 415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	103 char new_item = static_cast<char> (gnulib::malloc (new_len));
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	104
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	105 sprintf (new_item, "%s=%s", name.c_str (), value.c_str ());
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	106
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	107 // As far as I can see there's no way to distinguish between the
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	108 // various errors; putenv doesn't have errno values.
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	109
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	110 if (gnulib::putenv (new_item) < 0)
415583856971 undo 7b305b36b87e to avoid Windows putenv/setenv failure (bug #40381) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	111 (*current_liboctave_error_handler) ("putenv (%s) failed", new_item);
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	112 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	113
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 2926 diff changeset	114 std::string
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	115 octave_fgets (FILE *f)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	116 {
4527 c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	117 bool eof;
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	118 return octave_fgets (f, eof);
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	119 }
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	120
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	121 std::string
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	122 octave_fgets (FILE *f, bool& eof)
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	123 {
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	124 eof = false;
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	125
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 2926 diff changeset	126 std::string retval;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	127
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	128 int grow_size = 1024;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	129 int max_size = grow_size;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	130
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	131 char buf = static_cast<char > (gnulib::malloc (max_size));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	132 char *bufptr = buf;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	133 int len = 0;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	134
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	135 do
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	136 {
12918 f3a8d1efe2c1 use gnulib:: qualifiers for more stdio functions John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	137 if (gnulib::fgets (bufptr, grow_size, f))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	138 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	139 len = strlen (bufptr);
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	140
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	141 if (len == grow_size - 1)
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 int tmp = bufptr - buf + grow_size - 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	144 grow_size *= 2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	145 max_size += grow_size;
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10314 diff changeset	146 buf = static_cast<char *> (gnulib::realloc (buf, max_size));
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	147 bufptr = buf + tmp;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	148
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	149 if (*(bufptr-1) == '\n')
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	150 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	151 *bufptr = '\0';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	152 retval = buf;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	153 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	154 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	155 else if (bufptr[len-1] != '\n')
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	156 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	157 bufptr[len++] = '\n';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	158 bufptr[len] = '\0';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	159 retval = buf;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	160 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	161 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	162 retval = buf;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	163 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	164 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	165 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	166 if (len == 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	167 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	168 eof = true;
4527 c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	169
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	170 free (buf);
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	171
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	172 buf = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	173 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	174
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	175 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	176 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	177 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	178 while (retval.empty ());
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	179
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	180 if (buf)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	181 free (buf);
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	182
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10068 diff changeset	183 octave_quit ();
10068 ca93f583573d handle interrupts octave_fgets Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	184
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	185 return retval;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	186 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	187
3970 4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	188 std::string
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	189 octave_fgetl (FILE *f)
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	190 {
4527 c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	191 bool eof;
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	192 return octave_fgetl (f, eof);
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	193 }
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	194
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	195 std::string
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	196 octave_fgetl (FILE *f, bool& eof)
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	197 {
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe] jwe parents: 4130 diff changeset	198 std::string retval = octave_fgets (f, eof);
3970 4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	199
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	200 size_t len = retval.length ();
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	201
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	202 if (retval[len-1] == '\n')
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	203 retval.resize (len-1);
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	204
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	205 return retval;
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	206 }
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe] jwe parents: 3504 diff changeset	207
17928 079da800451b Fix loading complex values with 'NA' saved in text format (bug #40575). Rik <rik@octave.org> parents: 17861 diff changeset	208 // Note that the caller is responsible for repositioning the stream on failure.
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	209
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	210 template <typename T>
52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	211 T
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	212 read_inf_nan_na (std::istream& is, char c0)
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	213 {
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	214 T val = 0.0;
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	215
12995 7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	216 switch (c0)
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	217 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	218 case 'i': case 'I':
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	219 {
12995 7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	220 char c1 = is.get ();
7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	221 if (c1 == 'n' \|\| c1 == 'N')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	222 {
12995 7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	223 char c2 = is.get ();
7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	224 if (c2 == 'f' \|\| c2 == 'F')
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	225 val = std::numeric_limits<T>::infinity ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	226 else
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	227 is.setstate (std::ios::failbit);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	228 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	229 else
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	230 is.setstate (std::ios::failbit);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	231 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	232 break;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	233
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	234 case 'n': case 'N':
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	235 {
12995 7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	236 char c1 = is.get ();
7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	237 if (c1 == 'a' \|\| c1 == 'A')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	238 {
12995 7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	239 char c2 = is.get ();
7872afb42fab fix scanf problem with reading I (bug #33722) John W. Eaton <jwe@octave.org> parents: 12936 diff changeset	240 if (c2 == 'n' \|\| c2 == 'N')
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	241 val = std::numeric_limits<T>::quiet_NaN ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	242 else
17928 079da800451b Fix loading complex values with 'NA' saved in text format (bug #40575). Rik <rik@octave.org> parents: 17861 diff changeset	243 {
21723 bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21444 diff changeset	244 val = octave::numeric_limits<T>::NA ();
21184 3db899f1d54c use istream::traits_type::eof () instead of EOF John W. Eaton <jwe@octave.org> parents: 20148 diff changeset	245 if (c2 != std::istream::traits_type::eof ())
20148 4a41b7d426b6 Fix loading of ASCII files with NA values in final column (bug #44967). Rik <rik@octave.org> parents: 19697 diff changeset	246 is.putback (c2);
17928 079da800451b Fix loading complex values with 'NA' saved in text format (bug #40575). Rik <rik@octave.org> parents: 17861 diff changeset	247 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	248 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	249 else
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	250 is.setstate (std::ios::failbit);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	251 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	252 break;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	253
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	254 default:
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	255 abort ();
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	256 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	257
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	258 return val;
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	259 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	260
12936 b74cb659e757 accept but discard sign when reading NA and NaN values John W. Eaton <jwe@octave.org> parents: 12918 diff changeset	261 // Read a double value. Discard any sign on NaN and NA.
b74cb659e757 accept but discard sign when reading NA and NaN values John W. Eaton <jwe@octave.org> parents: 12918 diff changeset	262
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	263 template <typename T>
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	264 double
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	265 octave_read_fp_value (std::istream& is)
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	266 {
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	267 T val = 0.0;
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	268
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	269 // FIXME: resetting stream position is likely to fail unless we are
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	270 // reading from a file.
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	271 std::ios::streampos pos = is.tellg ();
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	272
6907 c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	273 char c1 = ' ';
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	274
6907 c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	275 while (isspace (c1))
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	276 c1 = is.get ();
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	277
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	278 bool neg = false;
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	279
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	280 switch (c1)
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	281 {
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	282 case '-':
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	283 neg = true;
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	284 // fall through...
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	285
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	286 case '+':
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	287 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	288 char c2 = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	289 c2 = is.get ();
12936 b74cb659e757 accept but discard sign when reading NA and NaN values John W. Eaton <jwe@octave.org> parents: 12918 diff changeset	290 if (c2 == 'i' \|\| c2 == 'I' \|\| c2 == 'n' \|\| c2 == 'N')
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	291 val = read_inf_nan_na<T> (is, c2);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	292 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	293 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	294 is.putback (c2);
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	295 is >> val;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	296 }
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	297
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	298 if (neg && ! is.fail ())
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	299 val = -val;
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	300 }
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	301 break;
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	302
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	303 case 'i': case 'I':
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	304 case 'n': case 'N':
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	305 val = read_inf_nan_na<T> (is, c1);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	306 break;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	307
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	308 default:
6194 0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe] jwe parents: 5775 diff changeset	309 is.putback (c1);
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	310 is >> val;
14806 980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	311 break;
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	312 }
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	313
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	314 std::ios::iostate status = is.rdstate ();
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	315 if (status & std::ios::failbit)
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	316 {
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	317 is.clear ();
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	318 is.seekg (pos);
980e2d5c83f7 avoid calling putback more than once between reads John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	319 is.setstate (status);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	320 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	321
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	322 return val;
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	323 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	324
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	325 template <typename T>
52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	326 std::complex<T>
52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	327 octave_read_cx_fp_value (std::istream& is)
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	328 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17928 diff changeset	329 T re = 0.0;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17928 diff changeset	330 T im = 0.0;
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	331
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	332 std::complex<T> cx = 0.0;
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	333
6907 c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	334 char ch = ' ';
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	335
6907 c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	336 while (isspace (ch))
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe] jwe parents: 6897 diff changeset	337 ch = is.get ();
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	338
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	339 if (ch == '(')
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	340 {
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	341 re = octave_read_value<T> (is);
6897 935d23e16951 [project @ 2007-09-13 19:13:56 by jwe] jwe parents: 6490 diff changeset	342 ch = is.get ();
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	343
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	344 if (ch == ',')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	345 {
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	346 im = octave_read_value<T> (is);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	347 ch = is.get ();
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	348
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	349 if (ch == ')')
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	350 cx = std::complex<T> (re, im);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	351 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	352 is.setstate (std::ios::failbit);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	353 }
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	354 else if (ch == ')')
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	355 cx = re;
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	356 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	357 is.setstate (std::ios::failbit);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	358 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	359 else
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	360 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	361 is.putback (ch);
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	362 cx = octave_read_value<double> (is);
4130 7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	363 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	364
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	365 return cx;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	366 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe] jwe parents: 3970 diff changeset	367
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	368 template <> OCTAVE_API double octave_read_value (std::istream& is)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	369 {
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	370 return octave_read_fp_value<double> (is);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	371 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	372
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	373 template <> OCTAVE_API Complex octave_read_value (std::istream& is)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	374 {
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	375 return octave_read_cx_fp_value<double> (is);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	376 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	377
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	378 template <> OCTAVE_API float octave_read_value (std::istream& is)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	379 {
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	380 return octave_read_fp_value<float> (is);
52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	381 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	382
14811 52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	383 template <> OCTAVE_API FloatComplex octave_read_value (std::istream& is)
52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	384 {
52cb71787cd1 use templates to avoid code duplication in octave_read_value functions John W. Eaton <jwe@octave.org> parents: 14806 diff changeset	385 return octave_read_cx_fp_value<float> (is);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	386 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	387
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	388 void
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	389 octave_write_double (std::ostream& os, double d)
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	390 {
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	391 if (lo_ieee_is_NA (d))
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	392 os << "NA";
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	393 else if (lo_ieee_isnan (d))
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	394 os << "NaN";
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	395 else if (lo_ieee_isinf (d))
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	396 os << (d < 0 ? "-Inf" : "Inf");
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	397 else
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	398 os << d;
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	399 }
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	400
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	401 void
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	402 octave_write_complex (std::ostream& os, const Complex& c)
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	403 {
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	404 os << "(";
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	405 octave_write_double (os, real (c));
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	406 os << ",";
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	407 octave_write_double (os, imag (c));
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	408 os << ")";
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	409 }
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	410
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	411 void
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	412 octave_write_float (std::ostream& os, float d)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	413 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	414 if (lo_ieee_is_NA (d))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	415 os << "NA";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	416 else if (lo_ieee_isnan (d))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	417 os << "NaN";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	418 else if (lo_ieee_isinf (d))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	419 os << (d < 0 ? "-Inf" : "Inf");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	420 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	421 os << d;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	422 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	423
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	424 void
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	425 octave_write_float_complex (std::ostream& os, const FloatComplex& c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	426 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	427 os << "(";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	428 octave_write_float (os, real (c));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	429 os << ",";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	430 octave_write_float (os, imag (c));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	431 os << ")";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7048 diff changeset	432 }

Mercurial > octave

annotate liboctave/util/lo-utils.cc @ 21723:bae585228161