2.3-1/src/c/auxiliaryFunctions/find/zfinda.c


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/*
 *  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 "find.h"

void zfinda(doubleComplex* z, int size, double *out, int max)
{
    int i = 0;
    int j = 0;

    /* if out is empty */
    out[0]=-1;

    for (i = 0; i < size ; ++i)
    {
        /*to avoid useless search if we only want to find the  max first founded value   */
        if (j == max  )
        {
            return ;
        }

        if (zreals(z[i]) != 0 || zimags(z[i]) != 0)
        {
            out[j] = (double)(i+1);
            ++j;
        }
    }
}