Function forall_nodes

app/fast_node_ordering.cpp:56–61

        // Make input_graph unweighted
        bool has_node_weights = false;
        forall_nodes(input_graph, node) {
                if (input_graph.getNodeWeight(node) != 1) {
                        has_node_weights = true;
                }
                input_graph.setNodeWeight(node, 1);
        } endfor
        if (has_node_weights) {
                std::cout << "There were nodes with weight != 1" << std::endl;
        }