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-rw-r--r--2.3-1/src/c/auxiliaryFunctions/sign/zsigns.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/2.3-1/src/c/auxiliaryFunctions/sign/zsigns.c b/2.3-1/src/c/auxiliaryFunctions/sign/zsigns.c
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+++ b/2.3-1/src/c/auxiliaryFunctions/sign/zsigns.c
@@ -0,0 +1,19 @@
+/*
+ * 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"
+#include "abs.h"
+
+doubleComplex zsigns(doubleComplex in) {
+ if ( (zreals(in)==0) && (zimags(in)==0) ) return DoubleComplex(0,0);
+ return DoubleComplex(zreals(in) / zabss(in), zimags(in) / zabss(in));
+}