sysdeps/tile/bits/mathdef.h

   1 /* Copyright (C) 2011-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
   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, see
  17    <http://www.gnu.org/licenses/>.  */
  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 values returned by `ilogb' for 0 and NaN respectively.  */
  27 # define FP_ILOGB0      (-2147483647)
  28 # define FP_ILOGBNAN    (2147483647)
  29
  30 /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l}
  31    builtins are supported.  */
  32 # ifdef __FP_FAST_FMA
  33 #  define FP_FAST_FMA 1
  34 # endif
  35
  36 # ifdef __FP_FAST_FMAF
  37 #  define FP_FAST_FMAF 1
  38 # endif
  39
  40 # ifdef __FP_FAST_FMAL
  41 #  define FP_FAST_FMAL 1
  42 # endif
  43
  44 #endif /* ISO C99 */
  45
  46 #ifndef __NO_LONG_DOUBLE_MATH
  47 /* Signal that we do not really have a `long double'.  This disables the
  48    declaration of all the `long double' function variants.  */
  49 # define __NO_LONG_DOUBLE_MATH  1
  50 #endif