1/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, write to the Free
17   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18   02111-1307 USA.  */
19
20#include <math.h>
21#include <wchar.h>
22
23#ifndef __NO_LONG_DOUBLE_MATH
24/* The actual implementation for all floating point sizes is in strtod.c.
25   These macros tell it to produce the `long double' version, `wcstold'.  */
26
27# define FLOAT		long double
28# define FLT		LDBL
29# ifdef USE_IN_EXTENDED_LOCALE_MODEL
30#  define STRTOF	__wcstold_l
31# else
32#  define STRTOF	wcstold
33# endif
34# define MPN2FLOAT	__mpn_construct_long_double
35# define FLOAT_HUGE_VAL	HUGE_VALL
36# define USE_WIDE_CHAR	1
37# define SET_MANTISSA(flt, mant) \
38  do { union ieee854_long_double u;					      \
39       u.d = (flt);							      \
40       if ((mant & 0x7fffffffffffffffULL) == 0)				      \
41	 mant = 0x4000000000000000ULL;					      \
42       u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000;	      \
43       u.ieee.mantissa1 = (mant) & 0xffffffff;				      \
44       (flt) = u.d;							      \
45  } while (0)
46
47# include <stdlib/strtod.c>
48#else
49/* There is no `long double' type, use the `double' implementations.  */
50long double
51__wcstold_internal (const wchar_t *nptr, wchar_t **endptr, int group)
52{
53  return __wcstod_internal (nptr, endptr, group);
54}
55libc_hidden_def (__wcstold_internal)
56
57long double
58wcstold (const wchar_t *nptr, wchar_t **endptr)
59{
60  return __wcstod_internal (nptr, endptr, 0);
61}
62#endif
63