glibc/stdlib/strtold_nan.c
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C

/* Convert string for NaN payload to corresponding NaN. Narrow
strings, long double.
Copyright (C) 2015-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <math.h>
/* This function is unused if long double and double have the same
representation. */
#ifndef __NO_LONG_DOUBLE_MATH
# include <strtod_nan_narrow.h>
# include <math-type-macros-ldouble.h>
# define STRTOD_NAN __strtold_nan
# include <strtod_nan_main.c>
#endif