- unsigned int levels = 0;
- 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
+ unsigned int levels_ = 0;
+ 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