- std::vector<unsigned int> lowerLevelNodesNumber_; // number of children by node
- std::vector<unsigned int> upperLevelNodesNumber_; // number of parents by node
- std::vector<unsigned int> lowerLevelPortsNumber_; // ports between each level l and l-1
+ std::vector<unsigned int> num_children_per_node_; // number of children by node
+ std::vector<unsigned int> num_parents_per_node_; // number of parents by node
+ std::vector<unsigned int> num_port_lower_level_; // ports between each level l and l-1