private void InitializeCommonInformation()
 {
     Debug.Assert(commonInformation == null);
     commonInformation = new CommonInformation();
     for (int i = 0; i < container.Size; ++i)
     {
         commonInformation.Edges.Add(-1);
     }
 }
 public QuickGraphAnalyzer(AbstractNetwork n) : base(n)
 {
     commonInformation      = null;
     pathInformation        = null;
     coefficientInformation = null;
 }