octave: liboctave/util/lo-ieee.h annotate

annotate liboctave/util/lo-ieee.h @ 31606:dfa5d9c3ae72

maint: merge stable to default

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 14:28:07 -0800
parents	e9ba541e89b3 e88a07dec498
children	23664317f0d3

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30394 diff changeset	3 // Copyright (C) 1996-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	25
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19697 diff changeset	26 #if ! defined (octave_lo_ieee_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17744 diff changeset	27 #define octave_lo_ieee_h 1
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	28
30642 b7df783dbe43 Include "octave-config.h" before other headers (bug #61812). Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	29 #include "octave-config.h"
23622 0abe8d85ecce Use isnan, isinf, isfinite, signbit functions from C++ std lib. Rik <rik@octave.org> parents: 23220 diff changeset	30
30642 b7df783dbe43 Include "octave-config.h" before other headers (bug #61812). Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	31 #include <cmath>
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21066 diff changeset	32
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21723 diff changeset	33 #if defined (__cplusplus)
4072 3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe] jwe parents: 4025 diff changeset	34 extern "C" {
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe] jwe parents: 4025 diff changeset	35 #endif
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe] jwe parents: 4025 diff changeset	36
4102 cbac6756967e [project @ 2002-10-14 20:16:44 by jwe] jwe parents: 4075 diff changeset	37 /* Octave's idea of infinity. */
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	38 #define octave_Inf (lo_ieee_inf_value ())
4102 cbac6756967e [project @ 2002-10-14 20:16:44 by jwe] jwe parents: 4075 diff changeset	39
cbac6756967e [project @ 2002-10-14 20:16:44 by jwe] jwe parents: 4075 diff changeset	40 /* Octave's idea of a missing value. */
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	41 #define octave_NA (lo_ieee_na_value ())
4102 cbac6756967e [project @ 2002-10-14 20:16:44 by jwe] jwe parents: 4075 diff changeset	42
cbac6756967e [project @ 2002-10-14 20:16:44 by jwe] jwe parents: 4075 diff changeset	43 /* Octave's idea of not a number. */
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	44 #define octave_NaN (lo_ieee_nan_value ())
4102 cbac6756967e [project @ 2002-10-14 20:16:44 by jwe] jwe parents: 4075 diff changeset	45
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	46 /* Octave's idea of infinity. */
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	47 #define octave_Float_Inf (lo_ieee_float_inf_value ())
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	48
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	49 /* Octave's idea of a missing value. */
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	50 #define octave_Float_NA (lo_ieee_float_na_value ())
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	51
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	52 /* Octave's idea of not a number. */
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	53 #define octave_Float_NaN (lo_ieee_float_nan_value ())
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	54
21066 258c787cd9ce maint: Use "FIXME:" consistently in code base. Rik <rik@octave.org> parents: 20791 diff changeset	55 /* FIXME: This code assumes that a double has twice the
258c787cd9ce maint: Use "FIXME:" consistently in code base. Rik <rik@octave.org> parents: 20791 diff changeset	56 number of bits as an int */
5388 7099eb9841b4 [project @ 2005-06-14 20:04:31 by jwe] jwe parents: 5307 diff changeset	57
30185 603a83d18107 maint: Backed out changeset 0cd93ca0b237 Rik <rik@octave.org> parents: 30176 diff changeset	58 typedef union
30394 f3f3e3793fb5 maint: style check C++ files in liboctave/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30185 diff changeset	59 {
4075 9a2102864eb0 [project @ 2002-09-27 21:37:56 by jwe] jwe parents: 4074 diff changeset	60 double value;
9a2102864eb0 [project @ 2002-09-27 21:37:56 by jwe] jwe parents: 4074 diff changeset	61 unsigned int word[2];
30185 603a83d18107 maint: Backed out changeset 0cd93ca0b237 Rik <rik@octave.org> parents: 30176 diff changeset	62 } lo_ieee_double;
4075 9a2102864eb0 [project @ 2002-09-27 21:37:56 by jwe] jwe parents: 4074 diff changeset	63
30185 603a83d18107 maint: Backed out changeset 0cd93ca0b237 Rik <rik@octave.org> parents: 30176 diff changeset	64 typedef union
30394 f3f3e3793fb5 maint: style check C++ files in liboctave/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30185 diff changeset	65 {
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	66 float value;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	67 unsigned int word;
30185 603a83d18107 maint: Backed out changeset 0cd93ca0b237 Rik <rik@octave.org> parents: 30176 diff changeset	68 } lo_ieee_float;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	69
6108 143b556ce725 [project @ 2006-10-27 01:45:54 by jwe] jwe parents: 5775 diff changeset	70 extern OCTAVE_API void octave_ieee_init (void);
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	71
23622 0abe8d85ecce Use isnan, isinf, isfinite, signbit functions from C++ std lib. Rik <rik@octave.org> parents: 23220 diff changeset	72 inline int __lo_ieee_isnan (double x) { return std::isnan (x); }
30088 fca57eaad2d4 maint: deprecate lo_ieee_finite and replace with lo_ieee_isfinite. Rik <rik@octave.org> parents: 29986 diff changeset	73 inline int __lo_ieee_isfinite (double x) { return std::isfinite (x); }
23622 0abe8d85ecce Use isnan, isinf, isfinite, signbit functions from C++ std lib. Rik <rik@octave.org> parents: 23220 diff changeset	74 inline int __lo_ieee_isinf (double x) { return std::isinf (x); }
4072 3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe] jwe parents: 4025 diff changeset	75
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	76 extern OCTAVE_API int __lo_ieee_is_NA (double);
4075 9a2102864eb0 [project @ 2002-09-27 21:37:56 by jwe] jwe parents: 4074 diff changeset	77
6108 143b556ce725 [project @ 2006-10-27 01:45:54 by jwe] jwe parents: 5775 diff changeset	78 extern OCTAVE_API double lo_ieee_inf_value (void);
143b556ce725 [project @ 2006-10-27 01:45:54 by jwe] jwe parents: 5775 diff changeset	79 extern OCTAVE_API double lo_ieee_na_value (void);
143b556ce725 [project @ 2006-10-27 01:45:54 by jwe] jwe parents: 5775 diff changeset	80 extern OCTAVE_API double lo_ieee_nan_value (void);
4102 cbac6756967e [project @ 2002-10-14 20:16:44 by jwe] jwe parents: 4075 diff changeset	81
23622 0abe8d85ecce Use isnan, isinf, isfinite, signbit functions from C++ std lib. Rik <rik@octave.org> parents: 23220 diff changeset	82 inline int __lo_ieee_signbit (double x) { return std::signbit (x); }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	83
23622 0abe8d85ecce Use isnan, isinf, isfinite, signbit functions from C++ std lib. Rik <rik@octave.org> parents: 23220 diff changeset	84 inline int __lo_ieee_float_isnan (float x) { return std::isnan (x); }
30088 fca57eaad2d4 maint: deprecate lo_ieee_finite and replace with lo_ieee_isfinite. Rik <rik@octave.org> parents: 29986 diff changeset	85 inline int __lo_ieee_float_isfinite (float x) { return std::isfinite (x); }
23622 0abe8d85ecce Use isnan, isinf, isfinite, signbit functions from C++ std lib. Rik <rik@octave.org> parents: 23220 diff changeset	86 inline int __lo_ieee_float_isinf (float x) { return std::isinf (x); }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	87
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	88 extern OCTAVE_API int __lo_ieee_float_is_NA (float);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	89
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	90 extern OCTAVE_API float lo_ieee_float_inf_value (void);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	91 extern OCTAVE_API float lo_ieee_float_na_value (void);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	92 extern OCTAVE_API float lo_ieee_float_nan_value (void);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	93
23622 0abe8d85ecce Use isnan, isinf, isfinite, signbit functions from C++ std lib. Rik <rik@octave.org> parents: 23220 diff changeset	94 inline int __lo_ieee_float_signbit (float x) { return std::signbit (x); }
4349 a6c22c2c9b09 [project @ 2003-02-21 18:59:07 by jwe] jwe parents: 4102 diff changeset	95
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21723 diff changeset	96 #if defined (__cplusplus)
4072 3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe] jwe parents: 4025 diff changeset	97 }
2522 4f095783ee43 [project @ 1996-11-15 20:00:59 by jwe] jwe parents: 1993 diff changeset	98 #endif
4f095783ee43 [project @ 1996-11-15 20:00:59 by jwe] jwe parents: 1993 diff changeset	99
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	100 #define lo_ieee_isnan(x) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	101 (sizeof (x) == sizeof (float) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	102 ? __lo_ieee_float_isnan (x) : __lo_ieee_isnan (x))
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	103
30088 fca57eaad2d4 maint: deprecate lo_ieee_finite and replace with lo_ieee_isfinite. Rik <rik@octave.org> parents: 29986 diff changeset	104 #define lo_ieee_isfinite(x) \
fca57eaad2d4 maint: deprecate lo_ieee_finite and replace with lo_ieee_isfinite. Rik <rik@octave.org> parents: 29986 diff changeset	105 (sizeof (x) == sizeof (float) \
fca57eaad2d4 maint: deprecate lo_ieee_finite and replace with lo_ieee_isfinite. Rik <rik@octave.org> parents: 29986 diff changeset	106 ? __lo_ieee_float_isfinite (x) : __lo_ieee_isfinite (x))
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	107
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	108 #define lo_ieee_isinf(x) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	109 (sizeof (x) == sizeof (float) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	110 ? __lo_ieee_float_isinf (x) : __lo_ieee_isinf (x))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	111
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	112 #define lo_ieee_is_NA(x) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	113 (sizeof (x) == sizeof (float) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	114 ? __lo_ieee_float_is_NA (x) : __lo_ieee_is_NA (x))
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	115
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	116 #define lo_ieee_is_NaN_or_NA(x) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	117 (sizeof (x) == sizeof (float) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	118 ? __lo_ieee_float_is_NaN_or_NA (x) : __lo_ieee_is_NaN_or_NA (x))
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	119
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	120 #define lo_ieee_signbit(x) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	121 (sizeof (x) == sizeof (float) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	122 ? __lo_ieee_float_signbit (x) : __lo_ieee_signbit (x))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	123
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21723 diff changeset	124 #if defined (__cplusplus)
14810 d40349493d87 provide template version of octave_NA John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	125
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30642 diff changeset	126 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30642 diff changeset	127
21723 bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	128 template <typename T>
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	129 struct numeric_limits
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	130 {
30155 14b098a6ba46 maint: Use public: qualifier in structs that are really classes. Rik <rik@octave.org> parents: 30088 diff changeset	131 public:
21723 bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	132 static T NA (void) { return static_cast<T> (0); }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	133 static T NaN (void) { return static_cast<T> (0); }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	134 static T Inf (void) { return static_cast<T> (0); }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	135 };
14810 d40349493d87 provide template version of octave_NA John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	136
21723 bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	137 template <>
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	138 struct numeric_limits<double>
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	139 {
30155 14b098a6ba46 maint: Use public: qualifier in structs that are really classes. Rik <rik@octave.org> parents: 30088 diff changeset	140 public:
21723 bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	141 static double NA (void) { return octave_NA; }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	142 static double NaN (void) { return octave_NaN; }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	143 static double Inf (void) { return octave_Inf; }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	144 };
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	145
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	146 template <>
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	147 struct numeric_limits<float>
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	148 {
30155 14b098a6ba46 maint: Use public: qualifier in structs that are really classes. Rik <rik@octave.org> parents: 30088 diff changeset	149 public:
21723 bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	150 static float NA (void) { return octave_Float_NA; }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	151 static float NaN (void) { return octave_Float_NaN; }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	152 static float Inf (void) { return octave_Float_Inf; }
bae585228161 use namespace for numeric_limits John W. Eaton <jwe@octave.org> parents: 21721 diff changeset	153 };
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30642 diff changeset	154
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30642 diff changeset	155 OCTAVE_END_NAMESPACE(octave)
14810 d40349493d87 provide template version of octave_NA John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	156
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	157 #endif
14810 d40349493d87 provide template version of octave_NA John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	158
d40349493d87 provide template version of octave_NA John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	159 #endif

Mercurial > octave

annotate liboctave/util/lo-ieee.h @ 31606:dfa5d9c3ae72