sysdeps/m68k/fpu/bits/mathdef.h

   1 /* Copyright (C) 1997, 1998, 1999, 2000, 2004 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #if !defined _MATH_H && !defined _COMPLEX_H
  20 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
  21 #endif
  22
  23 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
  24 # define _MATH_H_MATHDEF        1
  25
  26 /* The m68k FPUs evaluate all values in the 96 bit floating-point format
  27    which is also available for the user as `long double'.  Therefore we
  28    define: */
  29 typedef long double float_t;    /* `float' expressions are evaluated as
  30                                    `long double'.  */
  31 typedef long double double_t;   /* `double' expressions are evaluated as
  32                                    `long double'.  */
  33
  34 /* The values returned by `ilogb' for 0 and NaN respectively.  */
  35 # define FP_ILOGB0      (-2147483647 - 1)
  36 # define FP_ILOGBNAN    (2147483647)
  37
  38 #endif  /* ISO C99 */