1 files changed, 18 insertions, 0 deletions
diff --git a/src/c/elementaryFunctions/tan/dtans.c b/src/c/elementaryFunctions/tan/dtans.c
new file mode 100644
index 0000000..888a2da
--- /dev/null
+++ b/src/c/elementaryFunctions/tan/dtans.c
@@ -0,0 +1,18 @@
+/*
+ *  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 <math.h>
+#include "tan.h"
+
+double	       dtans(double x) {
+  return tan(x);
+}