94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* Read decimal floating point numbers.
|
|
This file is part of the GNU C Library.
|
|
Copyright (C) 1995-2022 Free Software Foundation, Inc.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
/* The actual implementation for all floating point sizes is in strtod.c.
|
|
These macros tell it to produce the `float' version, `strtof'. */
|
|
|
|
#include <bits/floatn.h>
|
|
#include <bits/long-double.h>
|
|
|
|
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
|
|
# define strtof128 __hide_strtof128
|
|
# define wcstof128 __hide_wcstof128
|
|
#endif
|
|
#if __HAVE_FLOAT64X_LONG_DOUBLE
|
|
# define strtof64x __hide_strtof64x
|
|
# define wcstof64x __hide_wcstof64x
|
|
#endif
|
|
|
|
#ifdef __LONG_DOUBLE_MATH_OPTIONAL
|
|
# include <wchar.h>
|
|
# define NEW(x) NEW1(x)
|
|
# define NEW1(x) __new_##x
|
|
long double ____new_strtold_internal (const char *, char **, int);
|
|
long double __new_strtold (const char *, char **);
|
|
long double ____new_wcstold_internal (const wchar_t *, wchar_t **, int);
|
|
long double __new_wcstold (const wchar_t *, wchar_t **);
|
|
libc_hidden_proto (____new_strtold_internal)
|
|
libc_hidden_proto (____new_wcstold_internal)
|
|
libc_hidden_proto (__new_strtold)
|
|
libc_hidden_proto (__new_wcstold)
|
|
#else
|
|
# define NEW(x) x
|
|
#endif
|
|
|
|
#define FLOAT long double
|
|
#define FLT LDBL
|
|
#ifdef USE_WIDE_CHAR
|
|
# define STRTOF NEW (wcstold)
|
|
# define STRTOF_L __wcstold_l
|
|
#else
|
|
# define STRTOF NEW (strtold)
|
|
# define STRTOF_L __strtold_l
|
|
#endif
|
|
|
|
#include "strtod.c"
|
|
|
|
#ifdef __LONG_DOUBLE_MATH_OPTIONAL
|
|
# include <math_ldbl_opt.h>
|
|
# ifdef USE_WIDE_CHAR
|
|
long_double_symbol (libc, __new_wcstold, wcstold);
|
|
long_double_symbol (libc, ____new_wcstold_internal, __wcstold_internal);
|
|
libc_hidden_ver (____new_wcstold_internal, __wcstold_internal)
|
|
# else
|
|
long_double_symbol (libc, __new_strtold, strtold);
|
|
long_double_symbol (libc, ____new_strtold_internal, __strtold_internal);
|
|
libc_hidden_ver (____new_strtold_internal, __strtold_internal)
|
|
# endif
|
|
#endif
|
|
|
|
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
|
|
# undef strtof128
|
|
# undef wcstof128
|
|
# ifdef USE_WIDE_CHAR
|
|
weak_alias (NEW (wcstold), wcstof128)
|
|
# else
|
|
weak_alias (NEW (strtold), strtof128)
|
|
# endif
|
|
#endif
|
|
|
|
#if __HAVE_FLOAT64X_LONG_DOUBLE
|
|
# undef strtof64x
|
|
# undef wcstof64x
|
|
# ifdef USE_WIDE_CHAR
|
|
weak_alias (NEW (wcstold), wcstof64x)
|
|
# else
|
|
weak_alias (NEW (strtold), strtof64x)
|
|
# endif
|
|
#endif
|