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-rw-r--r--math/w_scalblnl.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/math/w_scalblnl.c b/math/w_scalblnl.c
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--- /dev/null
+++ b/math/w_scalblnl.c
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+/* Wrapper for __scalblnl handles setting errno.
+ Copyright (C) 2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <math.h>
+#include <math_private.h>
+
+long double
+__w_scalblnl (long double x, long int n)
+{
+ if (!__finitel (x) || x == 0.0L)
+ return x;
+
+ x = __scalblnl (x, n);
+
+ if (!__finitel (x) || x == 0.0L)
+ __set_errno (ERANGE);
+
+ return x;
+}
+weak_alias (__w_scalblnl, scalblnl)