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04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/* Test exception in current environment.
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Copyright (C) 2001-2019 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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#include <fenv.h>
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int
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fetestexcept (int excepts)
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{
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int temp;
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unsigned int mxscr;
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/* Get current exceptions. */
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__asm__ ("fnstsw %0\n"
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"stmxcsr %1" : "=m" (*&temp), "=m" (*&mxscr));
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return (temp | mxscr) & excepts & FE_ALL_EXCEPT;
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}
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libm_hidden_def (fetestexcept)
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