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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* Wrapper for __log1p that handles setting errno.
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Copyright (C) 2015-2016 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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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <math.h>
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#include <math_private.h>
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double
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__w_log1p (double x)
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{
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if (__glibc_unlikely (islessequal (x, -1.0)))
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{
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if (x == -1.0)
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__set_errno (ERANGE);
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else
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__set_errno (EDOM);
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}
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return __log1p (x);
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}
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weak_alias (__w_log1p, log1p)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__w_log1p, __log1pl)
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weak_alias (__w_log1p, log1pl)
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#endif
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