32     for (std::size_t k = 0; k < number_of_nodes; ++k) {  in create_random_dag()  local
33         Cell& c = my_vertex_set[k];  in create_random_dag()
35         if (op > int(k))  in create_random_dag()
36             op = int(k);  in create_random_dag()
40                 c.value = Cell::value_type((float)k);  in create_random_dag()
48             Cell& input = my_vertex_set[rand() % k];  in create_random_dag()
55     for (std::size_t k = 0; k < my_vertex_set.size(); ++k) {  in print()  local
56         std::cout << "Cell " << k << ":";  in print()
57         for (std::size_t j = 0; j < my_vertex_set[k].successor.size(); ++j)  in print()
58             std::cout << " " << int(my_vertex_set[k].successor[j] - &my_vertex_set[0]);  in print()
64     for (std::size_t k = 0; k < my_vertex_set.size(); ++k) {  in get_root_set()  local
65         my_vertex_set[k].successor.clear();  in get_root_set()
68     for (std::size_t k = 0; k < my_vertex_set.size(); ++k) {  in get_root_set()  local
69         Cell& c = my_vertex_set[k];  in get_root_set()
75             root_set.push_back(&my_vertex_set[k]);  in get_root_set()