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glibc/sysdeps/ieee754/ldbl-64-128/strtold_l.c
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/* Copyright (C) 1999-2013 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> | |
#include <stdlib.h> | |
#include <wchar.h> | |
#include <xlocale.h> | |
/* The actual implementation for all floating point sizes is in strtod.c. | |
These macros tell it to produce the `long double' version, `strtold'. */ | |
#define FLOAT long double | |
#define FLT LDBL | |
#ifdef USE_WIDE_CHAR | |
extern long double ____new_wcstold_l (const wchar_t *, wchar_t **, __locale_t); | |
# define STRTOF __new_wcstold_l | |
# define __STRTOF ____new_wcstold_l | |
# define ____STRTOF_INTERNAL ____wcstold_l_internal | |
#else | |
extern long double ____new_strtold_l (const char *, char **, __locale_t); | |
# define STRTOF __new_strtold_l | |
# define __STRTOF ____new_strtold_l | |
# define ____STRTOF_INTERNAL ____strtold_l_internal | |
#endif | |
extern __typeof (__STRTOF) STRTOF; | |
libc_hidden_proto (__STRTOF) | |
libc_hidden_proto (STRTOF) | |
#define MPN2FLOAT __mpn_construct_long_double | |
#define FLOAT_HUGE_VAL HUGE_VALL | |
#define SET_MANTISSA(flt, mant) \ | |
do { union ieee854_long_double u; \ | |
u.d = (flt); \ | |
u.ieee_nan.mantissa0 = 0; \ | |
u.ieee_nan.mantissa1 = 0; \ | |
u.ieee_nan.mantissa2 = (mant) >> 32; \ | |
u.ieee_nan.mantissa3 = (mant); \ | |
if ((u.ieee.mantissa0 | u.ieee.mantissa1 \ | |
| u.ieee.mantissa2 | u.ieee.mantissa3) != 0) \ | |
(flt) = u.d; \ | |
} while (0) | |
#include <strtod_l.c> | |
#ifdef __LONG_DOUBLE_MATH_OPTIONAL | |
# include <math_ldbl_opt.h> | |
# ifdef USE_WIDE_CHAR | |
weak_alias (____new_wcstold_l, ___new_wcstold_l); | |
long_double_symbol (libc, ___new_wcstold_l, wcstold_l); | |
long_double_symbol (libc, ____new_wcstold_l, __wcstold_l); | |
# else | |
weak_alias (____new_strtold_l, ___new_strtold_l); | |
long_double_symbol (libc, ___new_strtold_l, strtold_l); | |
long_double_symbol (libc, ____new_strtold_l, __strtold_l); | |
# endif | |
#endif |