options[1] = m_DistanceFunction.getClass().getName()+" "+ Utils.joinOptions(m_DistanceFunction.getOptions());
options[1] =   m_DistanceFunction.getClass().getName() + new String(" " + Utils.joinOptions(m_DistanceFunction.getOptions())).trim();
  public String [] getOptions() {    String [] options = new String[2];    options[0] = "-A";    options[1] = m_DistanceFunction.getClass().getName()+" "+                 Utils.joinOptions(m_DistanceFunction.getOptions());         return options;  }