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32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
/* Get enabled floating-point exceptions.
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Copyright (C) 1999-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@suse.de>, 1999.
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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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#include <fenv.h>
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int
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fegetexcept (void)
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{
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unsigned short int exc;
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/* Get the current control word. */
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__asm__ ("fstcw %0" : "=m" (*&exc));
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return (~exc) & FE_ALL_EXCEPT;
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}
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