sysdeps/arm/bits/mathdef.h

   1 /* Copyright (C) 1999, 2000, 2004, 2006, 2007
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 #if !defined _MATH_H && !defined _COMPLEX_H
  21 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
  22 #endif
  23
  24 #if defined  __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
  25 # define _MATH_H_MATHDEF        1
  26
  27 /* GCC does not promote `float' values to `double'.  */
  28 typedef float float_t;          /* `float' expressions are evaluated as
  29                                    `float'.  */
  30 typedef double double_t;        /* `double' expressions are evaluated as
  31                                    `double'.  */
  32
  33 /* The values returned by `ilogb' for 0 and NaN respectively.  */
  34 # define FP_ILOGB0      (-2147483647)
  35 # define FP_ILOGBNAN    (2147483647)
  36
  37 #endif  /* ISO C99 */
  38
  39 #ifndef __NO_LONG_DOUBLE_MATH
  40 /* Signal that we do not really have a `long double'.  This disables the
  41    declaration of all the `long double' function variants.  */
  42 # define __NO_LONG_DOUBLE_MATH  1
  43 #endif