/// <summary> /// Check the graph contains an edge from <paramref name="u"/> /// to <paramref name="v"/>. /// </summary> /// <param name="u"></param> /// <param name="v"></param> /// <returns></returns> public bool ContainsEdge(IVertex u, IVertex v) { if (u == null) { throw new ArgumentNullException(@"u"); } if (v == null) { throw new ArgumentNullException(@"v"); } return(ReversedGraph.ContainsEdge(v, u)); }