* Update COSH algorithm according to Scilab behaviour

* Update Licenses
* Update dependencies

1 files changed, 13 insertions, 13 deletions

diff --git a/src/elementaryFunctions/cosh/zcoshs.c b/src/elementaryFunctions/cosh/zcoshs.c
index d80fd091..a4c072fd 100644
--- a/src/elementaryFunctions/cosh/zcoshs.c
+++ b/src/elementaryFunctions/cosh/zcoshs.c
@@ -1,21 +1,21 @@
 /*
-**  -*- C -*-
-**
-** zcoshs.c
-** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
-**
-** Started on  Thu Dec  7 12:05:48 2006 jofret
-** Last update Fri Feb 23 16:48:33 2007 jofret
-**
-** Copyright INRIA 2006
-*/
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2006-2008 - INRIA - Bruno JOFRET
+ *
+ *  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
+ *
+ */
+
+/** cosh(z) = cos(i z) */
 
 #include "cosh.h"
 #include "cos.h"
 
 doubleComplex		zcoshs(doubleComplex z) {
-  double real = zreals(z);
-  double minusImag = -zimags(z);
 
-  return (zcoss(DoubleComplex(minusImag, real)));
+  return (zcoss(DoubleComplex(-zimags(z), zreals(z))));
 }