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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Install given floating-point environment and raise exceptions.
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Copyright (C) 2000-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
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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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#include <fpu_control.h>
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int
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__feupdateenv (const fenv_t *envp)
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{
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fexcept_t temp;
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_FPU_GETCW (temp);
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temp = (temp & FPC_FLAGS_MASK) >> FPC_FLAGS_SHIFT;
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/* Raise the exceptions since the last call to feholdenv */
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/* re install saved environment. */
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__fesetenv (envp);
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__feraiseexcept ((int) temp);
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/* Success. */
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return 0;
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}
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libm_hidden_def (__feupdateenv)
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weak_alias (__feupdateenv, feupdateenv)
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libm_hidden_weak (feupdateenv)
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