1  /* Copyright (C) 1999-2023 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