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/*
* 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 );
double accumulateFre = 0.0;
doubleComplex meanf = zmeanfa (in1 , size , in2);
//printf("\n\tComplex meanf result : %lf \t+ %lf i " ,zreals( meanf) ,zimags( meanf)) ;
for(i = 0 ; i < size ; ++i)
{
temp = zpows ( zdiffs (in1[i] , meanf ) ,DoubleComplex (2.0, 0.0 ) );
temp = zmuls( in2[i] , temp);
//printf("\n\tComplex accumulate : %lf \t+ %lf i " ,zreals(temp) ,zimags(temp)) ;
accumulate = zadds( temp , accumulate);
accumulateFre += zreals(in2[i]);
}
//printf("\n\tComplex division result : %lf \t+ %lf i / %lf " ,zreals(accumulate) ,zimags(accumulate),accumulateFre) ;
return DoubleComplex( zreals(accumulate) /(accumulateFre -1), zimags(accumulate) /(accumulateFre -1));
}
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