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 <math.h> 19 #include <stdlib.h> 20 #include <wchar.h> 21 22 /* The actual implementation for all floating point sizes is in strtod.c. 23 These macros tell it to produce the `long double' version, `strtold'. */ 24 25 #define FLOAT long double 26 #define FLT LDBL 27 #ifdef USE_WIDE_CHAR 28 extern long double ____new_wcstold_l (const wchar_t *, wchar_t **, locale_t); 29 # define STRTOF __new_wcstold_l 30 # define __STRTOF ____new_wcstold_l 31 # define ____STRTOF_INTERNAL ____wcstold_l_internal 32 # define STRTOF_NAN __wcstold_nan 33 #else 34 extern long double ____new_strtold_l (const char *, char **, locale_t); 35 # define STRTOF __new_strtold_l 36 # define __STRTOF ____new_strtold_l 37 # define ____STRTOF_INTERNAL ____strtold_l_internal 38 # define STRTOF_NAN __strtold_nan 39 #endif 40 extern __typeof (__STRTOF) STRTOF; 41 libc_hidden_proto (__STRTOF) 42 libc_hidden_proto (STRTOF) 43 #define MPN2FLOAT __mpn_construct_long_double 44 #define FLOAT_HUGE_VAL HUGE_VALL 45 46 #include <strtod_l.c> 47 48 #ifdef __LONG_DOUBLE_MATH_OPTIONAL 49 # include <math_ldbl_opt.h> 50 # ifdef USE_WIDE_CHAR 51 weak_alias (____new_wcstold_l, ___new_wcstold_l); 52 long_double_symbol (libc, ___new_wcstold_l, wcstold_l); 53 long_double_symbol (libc, ____new_wcstold_l, __wcstold_l); 54 # else 55 weak_alias (____new_strtold_l, ___new_strtold_l); 56 long_double_symbol (libc, ___new_strtold_l, strtold_l); 57 long_double_symbol (libc, ____new_strtold_l, __strtold_l); 58 # endif 59 #endif 60