Original Version

1 files changed, 24 insertions, 0 deletions

diff --git a/src/c/auxiliaryFunctions/sign/dsigns.c b/src/c/auxiliaryFunctions/sign/dsigns.c
new file mode 100644
index 00000000..66bd2669
--- /dev/null
+++ b/src/c/auxiliaryFunctions/sign/dsigns.c
@@ -0,0 +1,24 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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 "sign.h"
+
+double dsigns(double num) {
+  if (num > 0) {
+    return 1.0;
+  }
+  if (num < 0) {
+    return -1.0;
+  }
+  /* num == 0 */
+  return 0.0;
+}