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34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/* Return current rounding direction.
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Copyright (C) 1997-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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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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#include <fenv.h>
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int
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__fegetround (void)
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{
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int fpcr;
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__asm__ ("fmove%.l %!,%0" : "=dm" (fpcr));
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return fpcr & FE_UPWARD;
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}
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libm_hidden_def (__fegetround)
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weak_alias (__fegetround, fegetround)
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libm_hidden_weak (fegetround)
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