gl/float.in.h

   1 /* A correct <float.h>.
   2
   3    Copyright (C) 2007-2010 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 3 of the License, or
   8    (at your option) 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, see <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _GL_FLOAT_H
  19
  20 #if __GNUC__ >= 3
  21 @PRAGMA_SYSTEM_HEADER@
  22 #endif
  23
  24 /* The include_next requires a split double-inclusion guard.  */
  25 #@INCLUDE_NEXT@ @NEXT_FLOAT_H@
  26
  27 #ifndef _GL_FLOAT_H
  28 #define _GL_FLOAT_H
  29
  30 /* 'long double' properties.  */
  31 #if defined __i386__ && (defined __BEOS__ || defined __OpenBSD__)
  32 /* Number of mantissa units, in base FLT_RADIX.  */
  33 # undef LDBL_MANT_DIG
  34 # define LDBL_MANT_DIG   64
  35 /* Number of decimal digits that is sufficient for representing a number.  */
  36 # undef LDBL_DIG
  37 # define LDBL_DIG        18
  38 /* x-1 where x is the smallest representable number > 1.  */
  39 # undef LDBL_EPSILON
  40 # define LDBL_EPSILON    1.0842021724855044340E-19L
  41 /* Minimum e such that FLT_RADIX^(e-1) is a normalized number.  */
  42 # undef LDBL_MIN_EXP
  43 # define LDBL_MIN_EXP    (-16381)
  44 /* Maximum e such that FLT_RADIX^(e-1) is a representable finite number.  */
  45 # undef LDBL_MAX_EXP
  46 # define LDBL_MAX_EXP    16384
  47 /* Minimum positive normalized number.  */
  48 # undef LDBL_MIN
  49 # define LDBL_MIN        3.3621031431120935063E-4932L
  50 /* Maximum representable finite number.  */
  51 # undef LDBL_MAX
  52 # define LDBL_MAX        1.1897314953572317650E+4932L
  53 /* Minimum e such that 10^e is in the range of normalized numbers.  */
  54 # undef LDBL_MIN_10_EXP
  55 # define LDBL_MIN_10_EXP (-4931)
  56 /* Maximum e such that 10^e is in the range of representable finite numbers.  */
  57 # undef LDBL_MAX_10_EXP
  58 # define LDBL_MAX_10_EXP 4932
  59 #endif
  60
  61 #endif /* _GL_FLOAT_H */
  62 #endif /* _GL_FLOAT_H */