32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/* Functions for controlling the floating-point environment as a whole.
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Copyright (C) 1997-2024 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include <fenv.h>
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int
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feupdateenv (fenv_t const *envp)
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{
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int previously_flagged_exceptions = fetestexcept (FE_ALL_EXCEPT);
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if (fesetenv (envp))
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return -1;
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if (feraiseexcept (previously_flagged_exceptions))
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return -1;
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return 0;
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}
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