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37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* Nearest integet template for x86.
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Copyright (C) 2024-2025 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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<https://www.gnu.org/licenses/>. */
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#define NO_MATH_REDIRECT
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#include <math.h>
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#include <fenv_private.h>
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TYPE
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FUNC (TYPE x)
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{
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fenv_t fenv;
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TYPE r;
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libc_feholdexcept_setround_387 (&fenv, FE_OPTION);
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asm volatile ("frndint" : "=t" (r) : "0" (x));
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/* Preserve "invalid" exceptions from sNaN input. */
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fenv.__status_word |= libc_fetestexcept_387 (FE_INVALID);
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libc_fesetenv_387 (&fenv);
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return r;
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}
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