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45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Copyright (C) 1997-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#if !defined _MATH_H && !defined _COMPLEX_H
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# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
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#endif
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/* FIXME! This file describes properties of the compiler, not the machine;
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it should not be part of libc!
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FIXME! This file does not deal with the -fshort-double option of
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gcc! */
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#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
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# define _MATH_H_MATHDEF 1
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/* PowerPC has both `float' and `double' arithmetic. */
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typedef float float_t;
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typedef double double_t;
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/* The values returned by `ilogb' for 0 and NaN respectively. */
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# define FP_ILOGB0 (-2147483647)
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# define FP_ILOGBNAN (2147483647)
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/* The powerpc has a combined multiply/add instruction. */
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# define FP_FAST_FMA 1
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# define FP_FAST_FMAF 1
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#endif /* ISO C99 */
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