@Override
  protected void computeNextPosition ()
  {
    m_fPrevXn = m_fXn;
    m_fXn = m_fGn;
    m_fGn = m_aFunction.at (m_fXn);
  }
@Override
  protected void computeNextPosition ()
  {
    m_fPrevXn = m_fXn;
    m_fXn = m_fGn;
    m_fGn = m_aFunction.at (m_fXn);
  }
@ Override protected void computeNextPosition ( ) { m_fPrevXn = m_fXn ; m_fXn = m_fGn ; m_fGn = m_aFunction . at ( m_fXn ) ; }
Compute the next position of xn.
Compute the next position of xn .