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37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/* Wrapper for __scalblnf handles setting errno.
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Copyright (C) 2014-2015 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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float
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__w_scalblnf (float x, long int n)
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{
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if (!isfinite (x) || x == 0.0f)
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return x;
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x = __scalblnf (x, n);
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if (!isfinite (x) || x == 0.0f)
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__set_errno (ERANGE);
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return x;
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}
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weak_alias (__w_scalblnf, scalblnf)
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