gnulib: tests/infinity.h annotate

annotate tests/infinity.h @ 40231:9b3c79fdfe0b

strtod: fix clash with strtold Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817). * lib/strtod.c (compute_minus_zero, minus_zero): Simplify by remving the macro / external variable, and having just a function. User changed. This avoids the need for an external variable that might clash.

author	Paul Eggert <eggert@cs.ucla.edu>
date	Mon, 11 Mar 2019 16:40:29 -0700
parents	b06060465f09
children

rev	line source
15595 328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* Macros for infinity.
40057 b06060465f09 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 19484 diff changeset	2 Copyright (C) 2011-2019 Free Software Foundation, Inc.
15595 328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	3
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	4 This program is free software: you can redistribute it and/or modify
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	5 it under the terms of the GNU General Public License as published by
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	6 the Free Software Foundation; either version 3 of the License, or
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 (at your option) any later version.
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	8
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	9 This program is distributed in the hope that it will be useful,
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	10 but WITHOUT ANY WARRANTY; without even the implied warranty of
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 GNU General Public License for more details.
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	13
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	14 You should have received a copy of the GNU General Public License
19190 9759915b2aca all: prefer https: URLs Paul Eggert <eggert@cs.ucla.edu> parents: 18685 diff changeset	15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
15595 328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	16
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	17
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	18 /* Infinityf () returns a 'float' +Infinity. */
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	19
18372 d9961cf477d9 maint: preprocessor changes to support z/OS Daniel Richard G <skunk@iSKUNK.ORG> parents: 18189 diff changeset	20 /* The Microsoft MSVC 9 compiler chokes on the expression 1.0f / 0.0f.
18685 8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	21 The IBM XL C compiler on z/OS complains.
8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	22 PGI 16.10 complains. */
8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	23 #if defined _MSC_VER \|\| (defined __MVS__ && defined __IBMC__) \|\| defined __PGI
15595 328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	24 static float
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	25 Infinityf ()
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	26 {
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	27 static float zero = 0.0f;
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	28 return 1.0f / zero;
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	29 }
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	30 #else
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	31 # define Infinityf() (1.0f / 0.0f)
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	32 #endif
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	33
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	34
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	35 /* Infinityd () returns a 'double' +Infinity. */
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	36
18372 d9961cf477d9 maint: preprocessor changes to support z/OS Daniel Richard G <skunk@iSKUNK.ORG> parents: 18189 diff changeset	37 /* The Microsoft MSVC 9 compiler chokes on the expression 1.0 / 0.0.
18685 8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	38 The IBM XL C compiler on z/OS complains.
8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	39 PGI 16.10 complains. */
8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	40 #if defined _MSC_VER \|\| (defined __MVS__ && defined __IBMC__) \|\| defined __PGI
15595 328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	41 static double
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	42 Infinityd ()
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	43 {
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	44 static double zero = 0.0;
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	45 return 1.0 / zero;
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	46 }
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	47 #else
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	48 # define Infinityd() (1.0 / 0.0)
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	49 #endif
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	50
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	51
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	52 /* Infinityl () returns a 'long double' +Infinity. */
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	53
18372 d9961cf477d9 maint: preprocessor changes to support z/OS Daniel Richard G <skunk@iSKUNK.ORG> parents: 18189 diff changeset	54 /* The Microsoft MSVC 9 compiler chokes on the expression 1.0L / 0.0L.
18685 8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	55 The IBM XL C compiler on z/OS complains.
8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	56 PGI 16.10 complains. */
8560b803035e Port to PGI 16.10 x86-64 Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	57 #if defined _MSC_VER \|\| (defined __MVS__ && defined __IBMC__) \|\| defined __PGI
18372 d9961cf477d9 maint: preprocessor changes to support z/OS Daniel Richard G <skunk@iSKUNK.ORG> parents: 18189 diff changeset	58 static long double
15595 328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	59 Infinityl ()
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	60 {
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	61 static long double zero = 0.0L;
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	62 return 1.0L / zero;
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	63 }
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	64 #else
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	65 # define Infinityl() (1.0L / 0.0L)
328819af1c02 Support for MSVC compiler: Avoid division by a literal 0. Bruno Haible <bruno@clisp.org> parents: diff changeset	66 #endif

Mercurial > gnulib

annotate tests/infinity.h @ 40231:9b3c79fdfe0b