1 files changed, 54 insertions, 0 deletions
diff --git a/REORG.TODO/math/e_scalbl.c b/REORG.TODO/math/e_scalbl.c
new file mode 100644
index 0000000000..64c7765adb
--- /dev/null
+++ b/REORG.TODO/math/e_scalbl.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+
+   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 <math.h>
+#include <math_private.h>
+
+
+static long double
+__attribute__ ((noinline))
+invalid_fn (long double x, long double fn)
+{
+  if (__rintl (fn) != fn)
+    return (fn - fn) / (fn - fn);
+  else if (fn > 65000.0L)
+    return __scalbnl (x, 65000);
+  else
+    return __scalbnl (x,-65000);
+}
+
+
+long double
+__ieee754_scalbl (long double x, long double fn)
+{
+  if (__glibc_unlikely (isnan (x)))
+    return x * fn;
+  if (__glibc_unlikely (!isfinite (fn)))
+    {
+      if (isnan (fn) || fn > 0.0L)
+	return x * fn;
+      if (x == 0.0L)
+	return x;
+      return x / -fn;
+    }
+  if (__glibc_unlikely (fabsl (fn) >= 0x1p31L || (long double) (int) fn != fn))
+    return invalid_fn (x, fn);
+
+  return __scalbnl (x, (int) fn);
+}
+strong_alias (__ieee754_scalbl, __scalbl_finite)