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xf.libfc6e712025-02-07 01:54:34 -08001/* 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/* "float" and "double" expressions evaluated as "float" and "double". */
27typedef float float_t;
28typedef double double_t;
29
30/* The values returned by `ilogb' for 0 and NaN respectively. */
31# define FP_ILOGB0 (-2147483647)
32# define FP_ILOGBNAN (2147483647)
33
34/* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l}
35 builtins are supported. */
36# ifdef __FP_FAST_FMA
37# define FP_FAST_FMA 1
38# endif
39
40# ifdef __FP_FAST_FMAF
41# define FP_FAST_FMAF 1
42# endif
43
44# ifdef __FP_FAST_FMAL
45# define FP_FAST_FMAL 1
46# endif
47
48#endif /* ISO C99 */
49
50#ifndef __NO_LONG_DOUBLE_MATH
51/* Signal that we do not really have a `long double'. This disables the
52 declaration of all the `long double' function variants. */
53# define __NO_LONG_DOUBLE_MATH 1
54#endif