1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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.
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.
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/>. */
19 #if !defined _MATH_H && !defined _COMPLEX_H
20 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
23 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
24 # define _MATH_H_MATHDEF 1
26 /* "float" and "double" expressions evaluated as "float" and "double". */
27 typedef float float_t;
28 typedef double double_t;
30 /* The values returned by `ilogb' for 0 and NaN respectively. */
31 # define FP_ILOGB0 (-2147483647)
32 # define FP_ILOGBNAN (2147483647)
34 /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l}
35 builtins are supported. */
37 # define FP_FAST_FMA 1
41 # define FP_FAST_FMAF 1
45 # define FP_FAST_FMAL 1