49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* Wrapper for x86 bits/fenv.h for use when building glibc.
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Copyright (C) 1997-2016 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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#ifndef _BITS_FENV_H
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#include_next <bits/fenv.h>
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# ifndef _ISOMAC
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/* Ensure __feraiseexcept calls in glibc are optimized the same as
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feraiseexcept calls. */
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#ifdef __USE_EXTERN_INLINES
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__BEGIN_DECLS
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extern int __REDIRECT_NTH (____feraiseexcept_renamed, (int), __feraiseexcept);
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__extern_inline int
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__NTH (__feraiseexcept (int __excepts))
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{
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if (__builtin_constant_p (__excepts)
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&& (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0)
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{
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__feraiseexcept_invalid_divbyzero (__excepts);
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return 0;
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}
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return ____feraiseexcept_renamed (__excepts);
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}
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__END_DECLS
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#endif
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# endif /* _ISOMAC */
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#endif /* bits/fenv.h */
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