1 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <bits/floatn.h>
19 
20 #if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
21 # define strtof128_l __hide_strtof128_l
22 # define wcstof128_l __hide_wcstof128_l
23 #endif
24 
25 #if __HAVE_FLOAT64X_LONG_DOUBLE
26 # define strtof64x_l __hide_strtof64x_l
27 # define wcstof64x_l __hide_wcstof64x_l
28 #endif
29 
30 #include <math.h>
31 #include <stdlib.h>
32 #include <wchar.h>
33 
34 /* The actual implementation for all floating point sizes is in strtod.c.
35    These macros tell it to produce the `long double' version, `strtold'.  */
36 
37 #define FLOAT		long double
38 #define FLT		LDBL
39 #ifdef USE_WIDE_CHAR
40 extern long double ____new_wcstold_l (const wchar_t *, wchar_t **, locale_t);
41 # define STRTOF		__new_wcstold_l
42 # define __STRTOF	____new_wcstold_l
43 # define ____STRTOF_INTERNAL ____wcstold_l_internal
44 # define STRTOF_NAN	__wcstold_nan
45 #else
46 extern long double ____new_strtold_l (const char *, char **, locale_t);
47 # define STRTOF		__new_strtold_l
48 # define __STRTOF	____new_strtold_l
49 # define ____STRTOF_INTERNAL ____strtold_l_internal
50 # define STRTOF_NAN	__strtold_nan
51 #endif
52 extern __typeof (__STRTOF) STRTOF;
53 libc_hidden_proto (__STRTOF)
54 libc_hidden_proto (STRTOF)
55 #define MPN2FLOAT	__mpn_construct_long_double
56 #define FLOAT_HUGE_VAL	HUGE_VALL
57 
58 #include <strtod_l.c>
59 
60 #ifdef __LONG_DOUBLE_MATH_OPTIONAL
61 # include <math_ldbl_opt.h>
62 # ifdef USE_WIDE_CHAR
63 weak_alias (____new_wcstold_l, ___new_wcstold_l);
64 long_double_symbol (libc, ___new_wcstold_l, wcstold_l);
65 long_double_symbol (libc, ____new_wcstold_l, __wcstold_l);
66 # else
67 weak_alias (____new_strtold_l, ___new_strtold_l);
68 long_double_symbol (libc, ___new_strtold_l, strtold_l);
69 long_double_symbol (libc, ____new_strtold_l, __strtold_l);
70 # endif
71 #endif
72 
73 #if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
74 # undef strtof128_l
75 # undef wcstof128_l
76 # ifdef USE_WIDE_CHAR
77 weak_alias (____new_wcstold_l, wcstof128_l)
78 # else
79 weak_alias (____new_strtold_l, strtof128_l)
80 # endif
81 #endif
82 
83 #if __HAVE_FLOAT64X_LONG_DOUBLE
84 # undef strtof64x_l
85 # undef wcstof64x_l
86 # ifdef USE_WIDE_CHAR
87 weak_alias (____new_wcstold_l, wcstof64x_l)
88 # else
89 weak_alias (____new_strtold_l, strtof64x_l)
90 # endif
91 #endif
92