[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/math/w_exp10.c b/ap/libc/glibc/glibc-2.23/math/w_exp10.c
new file mode 100644
index 0000000..d506a8a
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/math/w_exp10.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2011-2016 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/>. */
+
+
+/*
+ * wrapper exp10(x)
+ */
+
+#include <math.h>
+#include <math_private.h>
+
+double
+__exp10 (double x)
+{
+ double z = __ieee754_exp10 (x);
+ if (__builtin_expect (!isfinite (z) || z == 0, 0)
+ && isfinite (x) && _LIB_VERSION != _IEEE_)
+ /* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */
+ return __kernel_standard (x, x, 46 + !!signbit (x));
+
+ return z;
+}
+weak_alias (__exp10, exp10)
+strong_alias (__exp10, __pow10)
+weak_alias (__pow10, pow10)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__exp10, __exp10l)
+weak_alias (__exp10, exp10l)
+strong_alias (__exp10l, __pow10l)
+weak_alias (__pow10l, pow10l)
+#endif