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36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/* Store current floating-point environment and clear exceptions.
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Copyright (C) 1997-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson <rth@tamu.edu>, 1997
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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_libc.h>
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int
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__feholdexcept (fenv_t *envp)
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{
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/* Save the current state. */
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__fegetenv(envp);
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/* Clear all exception status bits and exception enable bits. */
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__ieee_set_fp_control(*envp & SWCR_MAP_MASK);
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return 0;
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}
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libm_hidden_def (__feholdexcept)
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weak_alias (__feholdexcept, feholdexcept)
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libm_hidden_weak (feholdexcept)
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