wcsmbs/wcstof.c

   1 /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20
  21 /* The actual implementation for all floating point sizes is in strtod.c.
  22    These macros tell it to produce the `float' version, `wcstof'.  */
  23
  24 #define FLOAT           float
  25 #define FLT             FLT
  26 #ifdef USE_IN_EXTENDED_LOCALE_MODEL
  27 # define STRTOF         __wcstof_l
  28 #else
  29 # define STRTOF         wcstof
  30 #endif
  31 #define MPN2FLOAT       __mpn_construct_float
  32 #define FLOAT_HUGE_VAL  HUGE_VALF
  33 #define USE_WIDE_CHAR   1
  34 #define SET_MANTISSA(flt, mant) \
  35   do { union ieee754_float u;                                                 \
  36        u.f = (flt);                                                           \
  37        if ((mant & 0x7fffff) == 0)                                            \
  38          mant = 0x400000;                                                     \
  39        u.ieee.mantissa = (mant) & 0x7fffff;                                   \
  40        (flt) = u.f;                                                           \
  41   } while (0)
  42
  43 #include <stdlib/strtod.c>