1 files changed, 26 insertions, 0 deletions
diff --git a/2.3-1/src/c/elementaryFunctions/cosh/u16coshs.c b/2.3-1/src/c/elementaryFunctions/cosh/u16coshs.c
new file mode 100644
index 00000000..22f6ded0
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/cosh/u16coshs.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+/*
+//         cosh(z) = 0.5 (exp(|z|) + exp(-|z|))
+//                 = 0.5 ( y + 1/y ) with y = exp(|z|)
+*/
+
+#include <math.h>
+#include "cosh.h"
+#include "exp.h"
+#include "abs.h"
+#include "types.h"
+
+float	       u16coshs(uint16 x) {
+  double y = u16exps(u16abss(x));
+  return (0.5 * (y + 1.0/y));
+}