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authorjofret2009-04-28 06:53:00 +0000
committerjofret2009-04-28 06:53:00 +0000
commitb56c1d5508edf80f36c9a48e8806641f5cdf2cd8 (patch)
tree921ff5c8b47befe9b797cffa57bea9c940a7224c /src/c/elementaryFunctions/pow/cpows.c
parent127ac18608c72acfed9d59599252ad62cb562ee5 (diff)
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+/*
+ * 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 "pow.h"
+#include "exp.h"
+#include "log.h"
+
+floatComplex cpows(floatComplex z, floatComplex power) {
+ /*Cas z=0 */
+ if ( (creals(z)==0) && (cimags(z)==0) ){
+ /* Cas 0^0 */
+ if ( (creals(power)==0) && (cimags(power)==0) ) return FloatComplex(1,0);
+ /* Cas 0^x, x!=0 */
+ return FloatComplex(0,0);
+ }
+
+ /* Cas z!=0 */
+ return cexps(cmuls(clogs(z), power));
+}