sysdeps/ieee754/ldbl-128/strtold_l.c

   1 /* Copyright (C) 1999-2024 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
  20 /* The actual implementation for all floating point sizes is in strtod.c.
  21    These macros tell it to produce the `long double' version, `strtold'.  */
  22
  23 #define FLOAT           long double
  24 #define FLT             LDBL
  25 #ifdef USE_WIDE_CHAR
  26 # define STRTOF         wcstold_l
  27 # define __STRTOF       __wcstold_l
  28 # define STRTOF_NAN     __wcstold_nan
  29 #else
  30 # define STRTOF         strtold_l
  31 # define __STRTOF       __strtold_l
  32 # define STRTOF_NAN     __strtold_nan
  33 #endif
  34 #define MPN2FLOAT       __mpn_construct_long_double
  35 #define FLOAT_HUGE_VAL  HUGE_VALL
  36
  37 #if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
  38 # define strtof128_l __hide_strtof128_l
  39 # define wcstof128_l __hide_wcstof128_l
  40 #endif
  41
  42 #if __HAVE_FLOAT64X_LONG_DOUBLE
  43 # define strtof64x_l __hide_strtof64x_l
  44 # define wcstof64x_l __hide_wcstof64x_l
  45 #endif
  46
  47 #include <strtod_l.c>
  48
  49 #if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
  50 # undef strtof128_l
  51 # undef wcstof128_l
  52 # ifdef USE_WIDE_CHAR
  53 weak_alias (wcstold_l, wcstof128_l)
  54 # else
  55 weak_alias (strtold_l, strtof128_l)
  56 # endif
  57 #endif
  58
  59 #if __HAVE_FLOAT64X_LONG_DOUBLE
  60 # undef strtof64x_l
  61 # undef wcstof64x_l
  62 # ifdef USE_WIDE_CHAR
  63 weak_alias (wcstold_l, wcstof64x_l)
  64 # else
  65 weak_alias (strtold_l, strtof64x_l)
  66 # endif
  67 #endif