src/c/auxiliaryFunctions/find/cfinda.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 cfinda(floatComplex* z, int size, float *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 (creals(z[i]) != 0 || cimags(z[i]) != 0)
      {
          out[j] = (float)(i+1);
          ++j;
      }
  }
}