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35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/* Set 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 Ulrich Drepper <drepper@cygnus.com>, 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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<https://www.gnu.org/licenses/>. */
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#include <fenv.h>
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int
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__fesetround (int round)
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{
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#ifdef FE_TONEAREST
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return (round == FE_TONEAREST) ? 0 : 1;
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#else
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return 1; /* Signal we are unable to set the direction. */
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#endif
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}
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libm_hidden_def (__fesetround)
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weak_alias (__fesetround, fesetround)
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libm_hidden_weak (fesetround)
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stub_warning (fesetround)
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