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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 "stdevf.h"
#include "meanf.h"
#include "abs.h"
void zcolumnstdevfa(doubleComplex *in1, int lines, int columns, doubleComplex*in2, doubleComplex* out){
int i = 0;
int j = 0;
doubleComplex temp = DoubleComplex(0.0,0.0);
doubleComplex accumulate = DoubleComplex(0.0,0.0);
doubleComplex accumulateFre = DoubleComplex(0.0,0.0);
zcolumnmeanfa(in1, lines, columns, in2, out );
/*we first multiply each zell of the input matrix by its zoefficient*/
for (j = 0; j < lines; ++j)
{
accumulate = DoubleComplex(0.0,0.0);
accumulateFre = DoubleComplex(0.0,0.0);
temp = DoubleComplex(0.0,0.0);
for ( i = 0 ; i < columns; ++i )
{
temp = zpows ( zdiffs (in1[lines*i + j] ,out[j] ) ,DoubleComplex (2.0, 0.0 ) );
temp = zmuls( in2[lines*i + j] , temp);
accumulate = zadds( temp , accumulate);
accumulateFre = zadds(in2[lines*i + j] ,accumulateFre );
}
if (lines <= 1)
{
out[j] = zmuls (DoubleComplex(0.0,0.0) , accumulate ) ;
}
else
{
if( dabss (zreals(accumulate)) <= 3e-14 ) accumulate = DoubleComplex(dabss(zreals(accumulate)) ,zimags(accumulate));
if( dabss (zimags(accumulate)) <= 3e-14 ) accumulate = DoubleComplex(zreals(accumulate) ,dabss(zimags(accumulate)));
accumulate = zrdivs(accumulate, zdiffs(accumulateFre ,DoubleComplex(1.0,0.0)));
out[j] = zsqrts(accumulate);
}
}
}
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