LayerEdge InEdgeOfVirtualNode(int v) { return(this.BT ? graph.InEdgeOfVirtualNode(v) : graph.OutEdgeOfVirtualNode(v)); }
//here u is a virtual vertex private LayerEdge OutcomingEdge(int u) { return(layeredGraph.OutEdgeOfVirtualNode(u)); }
LayerEdge InEdgeOfVirtualNode(int v) { return(this.BT ? graph.InEdgeOfVirtualNode(v) : graph.OutEdgeOfVirtualNode(v)); }
//here u is a virtual vertex private LayerEdge OutcomingEdge(int u) { return(layeredGraph.OutEdgeOfVirtualNode(u)); }