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* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Get floating-point 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 Geoffrey Keating <geoffk@geoffk.org>, 2000.
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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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int
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__fegetexcept (void)
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{
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fenv_union_t fe;
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int result = 0;
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fe.fenv = fegetenv_register ();
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if (fe.l & (1 << (31 - FPSCR_XE)))
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result |= FE_INEXACT;
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if (fe.l & (1 << (31 - FPSCR_ZE)))
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result |= FE_DIVBYZERO;
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if (fe.l & (1 << (31 - FPSCR_UE)))
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result |= FE_UNDERFLOW;
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if (fe.l & (1 << (31 - FPSCR_OE)))
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result |= FE_OVERFLOW;
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if (fe.l & (1 << (31 - FPSCR_VE)))
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result |= FE_INVALID;
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return result;
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}
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weak_alias (__fegetexcept, fegetexcept)
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