sysdeps/ieee754/float128/strtof128_l.c

   1 /* Convert string representing a number to a _Float128 value, with locale.
   2    Copyright (C) 2017-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <bits/types/locale_t.h>
  20
  21 /* Bring in potential typedef for _Float128 early for declaration below.  */
  22 #include <bits/floatn.h>
  23
  24 #if __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE
  25 # define strtof64x_l __hide_strtof64x_l
  26 # define wcstof64x_l __hide_wcstof64x_l
  27 #endif
  28
  29 extern _Float128 ____strtof128_l_internal (const char *, char **,
  30                                            int, locale_t);
  31
  32 #define FLOAT           _Float128
  33 #define FLT             FLT128
  34 #ifdef USE_WIDE_CHAR
  35 # define STRTOF         wcstof128_l
  36 # define __STRTOF       __wcstof128_l
  37 # define STRTOF_NAN     __wcstof128_nan
  38 #else
  39 # define STRTOF         strtof128_l
  40 # define __STRTOF       __strtof128_l
  41 # define STRTOF_NAN     __strtof128_nan
  42 #endif
  43 #define MPN2FLOAT       __mpn_construct_float128
  44 #define FLOAT_HUGE_VAL  __builtin_huge_valf128 ()
  45
  46 #include <float128_private.h>
  47
  48 #include <stdlib/strtod_l.c>
  49
  50 #if __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE
  51 # undef strtof64x_l
  52 # undef wcstof64x_l
  53 # ifdef USE_WIDE_CHAR
  54 weak_alias (wcstof128_l, wcstof64x_l)
  55 # else
  56 weak_alias (strtof128_l, strtof64x_l)
  57 # endif
  58 #endif