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40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* Store current representation for exceptions.
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Copyright (C) 1998-2015 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>, 1998.
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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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#include <fpu_control.h>
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int
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fegetexceptflag (fexcept_t *flagp, int excepts)
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{
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fpu_control_t temp;
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/* Get the current exceptions. */
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_FPU_GETCW (temp);
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/* We only save the relevant bits here. In particular, care has to be
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taken with the CAUSE bits, as an inadvertent restore later on could
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generate unexpected exceptions. */
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*flagp = temp & excepts & FE_ALL_EXCEPT;
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/* Success. */
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return 0;
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}
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