/// <summary>
 /// Clear the state data
 /// </summary>
 public void Clear()
 {
     if (m_f1 != null)
     {
         m_f1.Clear();
     }
     if (m_f2 != null)
     {
         m_f2.Clear();
     }
     if (m_f3 != null)
     {
         m_f3.Clear();
     }
 }