octave: libinterp/corefcn/str2double.cc annotate

annotate libinterp/corefcn/str2double.cc @ 19075:14bb81940528 stable

doc: Update docstring for datenum to describe format argument (bug #43181) * datenum.m: Update docstring to describe the format argument exactly like the docstring for datevec. Add test using format argument.

author	Mike Miller <mtmiller@ieee.org>
date	Wed, 10 Sep 2014 08:19:43 -0400
parents	175b392e91fe
children	6a71e5030df5

rev	line source
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	1 /*
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	2
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 17410 diff changeset	3 Copyright (C) 2010-2013 Jaroslav Hajek
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	4 Copyright (C) 2010 VZLU Prague
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	5
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	6 This file is part of Octave.
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	7
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	9 under the terms of the GNU General Public License as published by the
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	11 option) any later version.
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	12
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	16 for more details.
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	17
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	18 You should have received a copy of the GNU General Public License
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	19 along with Octave; see the file COPYING. If not, see
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	20 <http://www.gnu.org/licenses/>.
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	21
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	22 */
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	23
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	24 #ifdef HAVE_CONFIG_H
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	25 #include <config.h>
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	26 #endif
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	27
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	28 #include <string>
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	29 #include <cctype>
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	30 #include <sstream>
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	31 #include <algorithm>
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	32
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	33 #include "lo-ieee.h"
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	34
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	35 #include "Cell.h"
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	36 #include "ov.h"
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	37 #include "defun.h"
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	38 #include "gripes.h"
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	39 #include "utils.h"
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	40
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	41 static inline bool
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	42 is_imag_unit (int c)
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	43 { return c == 'i' \|\| c == 'j'; }
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	44
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	45 static double
b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	46 single_num (std::istringstream& is)
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	47 {
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	48 double num;
b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	49
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	50 char c = is.peek ();
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	51
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	52 // Skip spaces.
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	53 while (isspace (c))
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	54 {
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	55 is.get ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	56 c = is.peek ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	57 }
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	58
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	59 if (std::toupper (c) == 'I')
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	60 {
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	61 // It's infinity.
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	62 is.get ();
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	63 char c1 = is.get (), c2 = is.get ();
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	64 if (std::tolower (c1) == 'n' && std::tolower (c2) == 'f')
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	65 {
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	66 num = octave_Inf;
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	67 is.peek (); // May set EOF bit.
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	68 }
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	69 else
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	70 is.setstate (std::ios::failbit); // indicate that read has failed.
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	71 }
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	72 else if (c == 'N')
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	73 {
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	74 // It's NA or NaN
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	75 is.get ();
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	76 char c1 = is.get ();
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	77 if (c1 == 'A')
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	78 {
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	79 num = octave_NA;
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	80 is.peek (); // May set EOF bit.
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	81 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	82 else
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	83 {
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	84 char c2 = is.get ();
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	85 if (c1 == 'a' && c2 == 'N')
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	86 {
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	87 num = octave_NaN;
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	88 is.peek (); // May set EOF bit.
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	89 }
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	90 else
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	91 is.setstate (std::ios::failbit); // indicate that read has failed.
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	92 }
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	93 }
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	94 else
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	95 is >> num;
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	96
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	97 return num;
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	98 }
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	99
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	100 static std::istringstream&
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	101 extract_num (std::istringstream& is, double& num, bool& imag, bool& have_sign)
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	102 {
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	103 have_sign = imag = false;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	104
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	105 char c = is.peek ();
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	106
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	107 // Skip leading spaces.
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	108 while (isspace (c))
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	109 {
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	110 is.get ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	111 c = is.peek ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	112 }
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	113
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	114 bool negative = false;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	115
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	116 // Accept leading sign.
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	117 if (c == '+' \|\| c == '-')
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	118 {
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	119 have_sign = true;
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	120 negative = c == '-';
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	121 is.get ();
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	122 c = is.peek ();
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	123 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	124
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	125 // Skip spaces after sign.
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	126 while (isspace (c))
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	127 {
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	128 is.get ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	129 c = is.peek ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	130 }
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	131
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	132 // Imaginary number (i*num or just i), or maybe 'inf'.
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	133 if (c == 'i')
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	134 {
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	135 // possible infinity.
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	136 is.get ();
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	137 c = is.peek ();
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	138
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	139 if (is.eof ())
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	140 {
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	141 // just 'i' and string is finished. Return immediately.
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	142 imag = true;
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	143 num = negative ? -1.0 : 1.0;
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	144 return is;
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	145 }
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	146 else
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	147 {
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	148 if (std::tolower (c) != 'n')
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	149 imag = true;
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	150 is.unget ();
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	151 }
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	152 }
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	153 else if (c == 'j')
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	154 imag = true;
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	155
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	156 // It's i*num or just i
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	157 if (imag)
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	158 {
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	159 is.get ();
a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	160 c = is.peek ();
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	161 // Skip spaces after imaginary unit.
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	162 while (isspace (c))
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	163 {
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	164 is.get ();
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	165 c = is.peek ();
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	166 }
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	167
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	168 if (c == '*')
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	169 {
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	170 // Multiplier follows, we extract it as a number.
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	171 is.get ();
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	172 num = single_num (is);
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	173 if (is.good ())
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	174 c = is.peek ();
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	175 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	176 else
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	177 num = 1.0;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	178 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	179 else
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	180 {
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	181 // It's num, num*i, or numi.
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	182 num = single_num (is);
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	183 if (is.good ())
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	184 {
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	185 c = is.peek ();
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	186
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	187 // Skip spaces after number.
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	188 while (isspace (c))
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	189 {
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	190 is.get ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	191 c = is.peek ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	192 }
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	193
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	194 if (c == '*')
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	195 {
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	196 is.get ();
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	197 c = is.peek ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	198
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	199 // Skip spaces after operator.
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	200 while (isspace (c))
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	201 {
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	202 is.get ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	203 c = is.peek ();
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	204 }
b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	205
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	206 if (is_imag_unit (c))
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	207 {
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	208 imag = true;
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	209 is.get ();
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	210 c = is.peek ();
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	211 }
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	212 else
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	213 is.setstate (std::ios::failbit); // indicate read has failed.
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	214 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	215 else if (is_imag_unit (c))
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	216 {
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	217 imag = true;
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	218 is.get ();
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	219 c = is.peek ();
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	220 }
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	221 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	222 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	223
14091 c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	224 if (is.good ())
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	225 {
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	226 // Skip trailing spaces.
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	227 while (isspace (c))
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	228 {
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	229 is.get ();
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	230 c = is.peek ();
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	231 }
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	232 }
c3ea07298af4 str2double: correctly handle things like ["1"; "2 3"; "4i"] John W. Eaton <jwe@octave.org> parents: 14077 diff changeset	233
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	234 if (negative)
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	235 num = -num;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	236
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	237 return is;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	238 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	239
10379 f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	240 static inline void
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	241 set_component (Complex& c, double num, bool imag)
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	242 {
10380 60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	243 #if defined (HAVE_CXX_COMPLEX_SETTERS)
10379 f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	244 if (imag)
10380 60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	245 c.imag (num);
10379 f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	246 else
10380 60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	247 c.real (num);
60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	248 #elif defined (HAVE_CXX_COMPLEX_REFERENCE_ACCESSORS)
60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	249 if (imag)
60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	250 c.imag () = num;
60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	251 else
60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	252 c.real () = num;
10379 f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	253 #else
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	254 if (imag)
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	255 c = Complex (c.real (), num);
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	256 else
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	257 c = Complex (num, c.imag ());
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	258 #endif
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	259 }
f578e6468d0c use C++-0x code in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10378 diff changeset	260
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	261 static Complex
10381 1aa8b9b8f921 str2double.cc: style fix John W. Eaton <jwe@octave.org> parents: 10380 diff changeset	262 str2double1 (const std::string& str_arg)
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	263 {
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	264 Complex val (0.0, 0.0);
10381 1aa8b9b8f921 str2double.cc: style fix John W. Eaton <jwe@octave.org> parents: 10380 diff changeset	265
1aa8b9b8f921 str2double.cc: style fix John W. Eaton <jwe@octave.org> parents: 10380 diff changeset	266 std::string str = str_arg;
1aa8b9b8f921 str2double.cc: style fix John W. Eaton <jwe@octave.org> parents: 10380 diff changeset	267
17379 b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	268 // FIXME: removing all commas doesn't allow actual parsing.
b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	269 // Example: "1,23.45" is wrong, but passes Octave.
b91f29f021a3 str2double.cc: miscellaneous simplifications to code. Rik <rik@octave.org> parents: 17281 diff changeset	270 str.erase (std::remove (str.begin (), str.end(), ','), str.end ());
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	271 std::istringstream is (str);
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	272
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	273 double num;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	274 bool i1, i2, s1, s2;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	275
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	276 if (is.eof ())
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	277 val = octave_NaN;
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	278 else if (! extract_num (is, num, i1, s1))
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	279 val = octave_NaN;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	280 else
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	281 {
10380 60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	282 set_component (val, num, i1);
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	283
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	284 if (! is.eof ())
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	285 {
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	286 if (! extract_num (is, num, i2, s2) \|\| i1 == i2 \|\| ! s2)
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	287 val = octave_NaN;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	288 else
10380 60acc47c203f configure checks for complex element setter/reference accessor methods John W. Eaton <jwe@octave.org> parents: 10379 diff changeset	289 set_component (val, num, i2);
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	290 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	291 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	292
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	293 return val;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	294 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	295
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	296 DEFUN (str2double, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	297 "-- texinfo --\n\
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	298 @deftypefn {Built-in Function} {} str2double (@var{s})\n\
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	299 Convert a string to a real or complex number.\n\
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	300 \n\
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	301 The string must be in one of the following formats where\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 15195 diff changeset	302 a and b are real numbers and the complex unit is @qcode{'i'} or @qcode{'j'}:\n\
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	303 \n\
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	304 @itemize\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	305 @item a + bi\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	306 \n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	307 @item a + b*i\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	308 \n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	309 @item a + i*b\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	310 \n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	311 @item bi + a\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	312 \n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	313 @item b*i + a\n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	314 \n\
89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10381 diff changeset	315 @item i*b + a\n\
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	316 @end itemize\n\
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	317 \n\
11591 1d13679b587e Use @nospell macro on certain words in docstrings. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	318 If present, a and/or b are of the form @nospell{[+-]d[,.]d[[eE][+-]d]} where\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 15195 diff changeset	319 the brackets indicate optional arguments and @qcode{'d'} indicates zero or\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 15195 diff changeset	320 more digits. The special input values @code{Inf}, @code{NaN}, and @code{NA}\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 15195 diff changeset	321 are also accepted.\n\
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	322 \n\
17410 f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	323 @var{s} may be a character string, character matrix, or cell array.\n\
17409 3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	324 For character arrays the conversion is repeated for every row, and\n\
17410 f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	325 a double or complex array is returned. Empty rows in @var{s} are deleted\n\
f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	326 and not returned in the numeric array. For cell arrays each character\n\
f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	327 string element is processed and a double or complex array of the same\n\
f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	328 dimensions as @var{s} is returned.\n\
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	329 \n\
17409 3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	330 For unconvertible scalar or character string input @code{str2double} returns\n\
17410 f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	331 a NaN@. Similarly, for character array input @code{str2double} returns a\n\
f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	332 NaN for any row of @var{s} that could not be converted. For a cell array,\n\
17409 3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	333 @code{str2double} returns a NaN for any element of @var{s} for which\n\
17410 f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	334 conversion fails. Note that numeric elements in a mixed string/numeric\n\
f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	335 cell array are not strings and the conversion will fail for these elements\n\
f47cfca56eb9 doc: Rephrase a few sentences in str2double docstring. Rik <rik@octave.org> parents: 17409 diff changeset	336 and return NaN.\n\
12703 d326be468b13 doc: str2double() inputs which cannot be parsed return NaN. Rik <octave@nomad.inbox5.com> parents: 11591 diff changeset	337 \n\
d326be468b13 doc: str2double() inputs which cannot be parsed return NaN. Rik <octave@nomad.inbox5.com> parents: 11591 diff changeset	338 @code{str2double} can replace @code{str2num}, and it avoids the security\n\
d326be468b13 doc: str2double() inputs which cannot be parsed return NaN. Rik <octave@nomad.inbox5.com> parents: 11591 diff changeset	339 risk of using @code{eval} on unknown data.\n\
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	340 @seealso{str2num}\n\
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	341 @end deftypefn")
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	342 {
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	343 octave_value retval;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	344
12735 76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	345 if (args.length () != 1)
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	346 print_usage ();
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	347 else if (args(0).is_string ())
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	348 {
17409 3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	349 if (args(0).rows () == 0 \|\| args(0).columns () == 0)
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	350 {
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	351 retval = Matrix (1, 1, octave_NaN);
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	352 }
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	353 else if (args(0).rows () == 1 && args(0).ndims () == 2)
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	354 {
12735 76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	355 retval = str2double1 (args(0).string_value ());
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	356 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	357 else
12735 76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	358 {
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	359 const string_vector sv = args(0).all_strings ();
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	360 if (! error_state)
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	361 retval = sv.map<Complex> (str2double1);
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	362 }
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	363 }
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	364 else if (args(0).is_cell ())
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	365 {
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12735 diff changeset	366 const Cell cell = args(0).cell_value ();
12735 76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	367
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	368 if (! error_state)
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	369 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	370 ComplexNDArray output (cell.dims (), octave_NaN);
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	371 for (octave_idx_type i = 0; i < cell.numel (); i++)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	372 {
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	373 if (cell(i).is_string ())
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	374 output(i) = str2double1 (cell(i).string_value ());
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	375 }
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	376 retval = output;
12735 76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	377 }
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	378 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	379 else
17409 3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	380 retval = Matrix (1, 1, octave_NaN);
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12735 diff changeset	381
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	382
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	383 return retval;
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	384 }
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	385
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	386 /*
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	387 %!assert (str2double ("1"), 1)
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	388 %!assert (str2double ("-.1e-5"), -1e-6)
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	389 %!assert (str2double (char ("1", "2 3", "4i")), [1; NaN; 4i])
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	390 %!assert (str2double ("1,222.5"), 1222.5)
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	391 %!assert (str2double ("i"), i)
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	392 %!assert (str2double ("2j"), 2i)
10356 1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	393 %!assert (str2double ("2 + j"), 2+j)
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	394 %!assert (str2double ("i*2 + 3"), 3+2i)
1d7930b77ab9 implement compiled str2double Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	395 %!assert (str2double (".5*i + 3.5"), 3.5+0.5i)
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	396 %!assert (str2double ("1e-3 + i*.25"), 1e-3 + 0.25i)
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	397 %!assert (str2double (["2 + j";"1.25e-3";"-05"]), [2+i; 1.25e-3; -5])
5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	398 %!assert (str2double ({"2 + j","1.25e-3","-05"}), [2+i, 1.25e-3, -5])
12735 76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	399 %!assert (str2double (1), NaN)
14077 b6eeeb67fa3f str2double: return NaN for things like "1 2 3 4" (bug #34713). John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	400 %!assert (str2double ("1 2 3 4"), NaN)
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	401 %!assert (str2double ("Hello World"), NaN)
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	402 %!assert (str2double ("NaN"), NaN)
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	403 %!assert (str2double ("NA"), NA)
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	404 %!assert (str2double ("Inf"), Inf)
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	405 %!assert (str2double ("iNF"), Inf)
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	406 %!assert (str2double ("-Inf"), -Inf)
11414 5e6ef42a2445 Overhaul str2double function fixing bug and docstring and adding 'NA' processing. Rik <octave@nomad.inbox5.com> parents: 10846 diff changeset	407 %!assert (str2double ("Inf*i"), complex (0, Inf))
14702 a08f6e17336e str2double.cc: Case-insensitive detection of 'Inf' (Bug #36536). Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	408 %!assert (str2double ("iNF*i"), complex (0, Inf))
10357 7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	409 %!assert (str2double ("NaN + Inf*i"), complex (NaN, Inf))
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	410 %!assert (str2double ("Inf - Inf*i"), complex (Inf, -Inf))
7658cd4bdcf2 handle Infs and NaNs in str2double Jaroslav Hajek <highegg@gmail.com> parents: 10356 diff changeset	411 %!assert (str2double ("-i*NaN - Inf"), complex (-Inf, -NaN))
12735 76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	412 %!assert (str2double ({"abc", "4i"}), [NaN + 0i, 4i])
76e2c55906de str2double.cc: Return NaN for invalid inputs rather than printing error. Rik <octave@nomad.inbox5.com> parents: 12703 diff changeset	413 %!assert (str2double ({2, "4i"}), [NaN + 0i, 4i])
17409 3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	414 %!assert (str2double (zeros (3,1,2)), NaN)
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	415 %!assert (str2double (''), NaN)
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	416 %!assert (str2double ([]), NaN)
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	417 %!assert (str2double (char(zeros(3,0))), NaN)
3baf8e7ec3dd str2double.cc: make output more consistent and ML-compatible, update help text, add tests (bug #39838) Ben Kurtz <hidden email> parents: 17379 diff changeset	418 */

Mercurial > octave

annotate libinterp/corefcn/str2double.cc @ 19075:14bb81940528 stable