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glibc/sysdeps/powerpc/bits/mathdef.h
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/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006,2010,2012 | |
Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C Library is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, write to the Free | |
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
02111-1307 USA. */ | |
#if !defined _MATH_H && !defined _COMPLEX_H | |
# error "Never use <bits/mathdef.h> directly; include <math.h> instead" | |
#endif | |
/* FIXME! This file describes properties of the compiler, not the machine; | |
it should not be part of libc! | |
FIXME! This file does not deal with the -fshort-double option of | |
gcc! */ | |
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF | |
# define _MATH_H_MATHDEF 1 | |
# ifdef __GNUC__ | |
/* gcc leaves `float' expressions as-is. */ | |
typedef float float_t; /* `float' expressions are evaluated as | |
`float'. */ | |
typedef double double_t; /* `double' expressions are evaluated as | |
`double'. */ | |
# else | |
/* Wild guess at types for float_t and double_t. */ | |
typedef double float_t; | |
typedef double double_t; | |
# endif | |
/* The values returned by `ilogb' for 0 and NaN respectively. */ | |
# define FP_ILOGB0 (-2147483647) | |
# define FP_ILOGBNAN (2147483647) | |
/* The powerpc has a combined multiply/add instruction. */ | |
# define FP_FAST_FMA 1 | |
# define FP_FAST_FMAF 1 | |
#endif /* ISO C99 */ |