gl/float_.h

   1 /* A correct <float.h>.
   2
   3    Copyright (C) 2007 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2, or (at your option)
   8    any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 #ifndef _GL_FLOAT_H
  20
  21 /* The include_next requires a split double-inclusion guard.  */
  22 #if @HAVE_INCLUDE_NEXT@
  23 # include_next <float.h>
  24 #else
  25 # include @ABSOLUTE_FLOAT_H@
  26 #endif
  27
  28 #ifndef _GL_FLOAT_H
  29 #define _GL_FLOAT_H
  30
  31 /* 'long double' properties.  */
  32 #if defined __i386__ && defined __BEOS__
  33 /* Number of mantissa units, in base FLT_RADIX.  */
  34 # undef LDBL_MANT_DIG
  35 # define LDBL_MANT_DIG   64
  36 /* Number of decimal digits that is sufficient for representing a number.  */
  37 # undef LDBL_DIG
  38 # define LDBL_DIG        18
  39 /* x-1 where x is the smallest representable number > 1.  */
  40 # undef LDBL_EPSILON
  41 # define LDBL_EPSILON    1.0842021724855044340E-19L
  42 /* Minimum e such that FLT_RADIX^(e-1) is a normalized number.  */
  43 # undef LDBL_MIN_EXP
  44 # define LDBL_MIN_EXP    (-16381)
  45 /* Maximum e such that FLT_RADIX^(e-1) is a representable finite number.  */
  46 # undef LDBL_MAX_EXP
  47 # define LDBL_MAX_EXP    16384
  48 /* Minimum positive normalized number.  */
  49 # undef LDBL_MIN
  50 # define LDBL_MIN        3.3621031431120935063E-4932L
  51 /* Maximum representable finite number.  */
  52 # undef LDBL_MAX
  53 # define LDBL_MAX        1.1897314953572317650E+4932L
  54 /* Minimum e such that 10^e is in the range of normalized numbers.  */
  55 # undef LDBL_MIN_10_EXP
  56 # define LDBL_MIN_10_EXP (-4931)
  57 /* Maximum e such that 10^e is in the range of representable finite numbers.  */
  58 # undef LDBL_MAX_10_EXP
  59 # define LDBL_MAX_10_EXP 4932
  60 #endif
  61
  62 #endif /* _GL_FLOAT_H */
  63 #endif /* _GL_FLOAT_H */