[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/math/s_ccosf.c b/ap/libc/glibc/glibc-2.23/math/s_ccosf.c
new file mode 100644
index 0000000..c7da3fe
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/math/s_ccosf.c
@@ -0,0 +1,38 @@
+/* Return cosine of complex float value.
+ Copyright (C) 1997-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ 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 <complex.h>
+#include <fenv.h>
+#include <math.h>
+#include <math_private.h>
+
+
+__complex__ float
+__ccosf (__complex__ float x)
+{
+ __complex__ float y;
+
+ __real__ y = -__imag__ x;
+ __imag__ y = __real__ x;
+
+ return __ccoshf (y);
+}
+#ifndef __ccosf
+weak_alias (__ccosf, ccosf)
+#endif