Original Version

1 files changed, 35 insertions, 0 deletions

diff --git a/2.3-1/src/c/statisticsFunctions/variancef/zvariancefa.c b/2.3-1/src/c/statisticsFunctions/variancef/zvariancefa.c
new file mode 100644
index 00000000..6de6f11a
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+++ b/2.3-1/src/c/statisticsFunctions/variancef/zvariancefa.c
@@ -0,0 +1,35 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Allan SIMON
+ *
+ *  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 "variancef.h"
+#include "division.h"
+
+doubleComplex zvariancefa(doubleComplex *in1, int size, doubleComplex *in2)
+
+{
+  int i = 0 ;
+  doubleComplex temp = DoubleComplex (0.0, 0.0 );
+  doubleComplex accumulate =DoubleComplex (0.0, 0.0 );
+  doubleComplex accumulateFre = DoubleComplex (0.0, 0.0 );
+
+  doubleComplex meanf = zmeanfa (in1 , size , in2);
+  for(i = 0 ; i < size ; ++i)
+    {
+     temp = zpows (  zdiffs (in1[i] , meanf ) ,DoubleComplex (2.0, 0.0 ) );
+     temp = zmuls( in2[i] , temp);
+
+     accumulate = zadds( temp , accumulate);
+     accumulateFre =  zadds(in2[i ] ,accumulateFre );
+    }
+
+  return zrdivs(accumulate, zdiffs(accumulateFre ,DoubleComplex(1.0,0.0) ));
+}