+/* Read decimal floating point numbers.
+ This file is part of the GNU C Library.
+ Copyright (C) 1995-2018 Free Software Foundation, Inc.
+ Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.
+
+ 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/>. */
+
/* The actual implementation for all floating point sizes is in strtod.c.
- These macros tell it to produce the `long double' version, `strtold'. */
+ 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_IN_EXTENDED_LOCALE_MODEL
-# define STRTOF __strtold_l
+#ifdef USE_WIDE_CHAR
+# define STRTOF NEW (wcstold)
+# define STRTOF_L __wcstold_l
#else
-# define STRTOF strtold
+# define STRTOF NEW (strtold)
+# define STRTOF_L __strtold_l
#endif
-#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); \
- if ((mant & 0x7fffffffffffffffULL) == 0) \
- mant = 0x4000000000000000ULL; \
- u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000; \
- u.ieee.mantissa1 = (mant) & 0xffffffff; \
- (flt) = u.d; \
- } while (0)
#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