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m68k/cf: define __signbit/__signbitf as inlines
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Andreas Schwab
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Aug 8, 2012
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/* Inline math functions for Coldfire. | ||
Copyright (C) 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, see | ||
<http://www.gnu.org/licenses/>. */ | ||
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#ifndef _MATH_H | ||
# error "Never use <bits/mathinline.h> directly; include <math.h> instead." | ||
#endif | ||
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#ifndef __extern_always_inline | ||
# define __MATH_INLINE __inline | ||
#else | ||
# define __MATH_INLINE __extern_always_inline | ||
#endif | ||
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#if defined __USE_ISOC99 && defined __GNUC__ | ||
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/* Test for negative number. Used in the signbit macro. */ | ||
__MATH_INLINE int | ||
__NTH (__signbitf (float __x)) | ||
{ | ||
return __builtin_signbitf (__x); | ||
} | ||
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__MATH_INLINE int | ||
__NTH (__signbit (double __x)) | ||
{ | ||
return __builtin_signbit (__x); | ||
} | ||
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#endif |