Mercurial > gnulib
view lib/strtold.c @ 40166:cdb3438ceb13
strtold: New module.
* lib/stdlib.in.h (strtold): New declaration.
* lib/strtold.c: New file.
* lib/strtod.c: Consider USE_LONG_DOUBLE.
(STRTOD, LDEXP, HAVE_UNDERLYING_STRTOD, DOUBLE, MIN, MAX, L_,
USE_LDEXP): New macros.
(LDEXP, scale_radix_exp, parse_number, STRTOD): Adapt for
USE_LONG_DOUBLE.
(underlying_strtod): Remove function. Replace with some macros.
Re-add the code for a missing underlying function that was removed on
2013-02-19.
* m4/strtold.m4: New file.
* m4/stdlib_h.m4 (gl_STDLIB_H): Test whether strtold is declared.
(gl_STDLIB_H_DEFAULTS): Initialize GNULIB_STRTOLD, HAVE_STRTOLD,
REPLACE_STRTOLD.
* modules/stdlib (Makefile.am): Substitute GNULIB_STRTOLD, HAVE_STRTOLD,
REPLACE_STRTOLD.
* modules/strtold: New file.
* doc/posix-functions/strtold.texi: Document the new module.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 30 Jan 2019 03:52:31 +0100 |
parents | |
children |
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/* Convert string to 'long double'. Copyright (C) 2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2019. */ #include <config.h> #if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE /* Specification. */ # include <stdlib.h> long double strtold (const char *str, char **endp) { return strtod (str, endp); } #else # define USE_LONG_DOUBLE # include "strtod.c" #endif