Original Version

1 files changed, 24 insertions, 0 deletions

diff --git a/2.3-1/src/c/elementaryFunctions/cos/zcoss.c b/2.3-1/src/c/elementaryFunctions/cos/zcoss.c
new file mode 100644
index 00000000..4fd5d3f0
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/cos/zcoss.c
@@ -0,0 +1,24 @@
+/*
+ *  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
+ *
+ */
+
+#include "cos.h"
+#include "sin.h"
+#include "cosh.h"
+#include "sinh.h"
+
+doubleComplex		zcoss(doubleComplex z) {
+  double real = zreals(z);
+  double imag = zimags(z);
+
+  return DoubleComplex(dcoss(real) * dcoshs(imag),
+		      -dsins(real) * dsinhs(imag));
+}