551     RandomVariableNode node1 = mVar, node2 = other.get();  in setEqual()  local
552     NN_FUZZER_LOG << "Set equality of var" << node1->index << " and var" << node2->index;  in setEqual()
555     if (node1 == node2 || (node1->op == Singleton<UnaryEqual>::get() && node1->parent1 == node2) ||  in setEqual()
556         (node2->op == Singleton<UnaryEqual>::get() && node2->parent1 == node1)) {  in setEqual()
564     if (RandomVariableNetwork::get()->isSubordinate(node1, node2)) {  in setEqual()
565         NN_FUZZER_LOG << "  Make var" << node2->index << " a child of var" << node1->index;  in setEqual()
566         node2->type = RandomVariableType::OP;  in setEqual()
567         node2->parent1 = node1;  in setEqual()
568         node2->op = Singleton<UnaryEqual>::get();  in setEqual()
569         node1->children.push_back(node2);  in setEqual()
570         RandomVariableNetwork::get()->join(node1, node2);  in setEqual()
574     if (RandomVariableNetwork::get()->isSubordinate(node2, node1)) {  in setEqual()
575         NN_FUZZER_LOG << "  Make var" << node1->index << " a child of var" << node2->index;  in setEqual()
577         node1->parent1 = node2;  in setEqual()
579         node2->children.push_back(node1);  in setEqual()
580         RandomVariableNetwork::get()->join(node2, node1);  in setEqual()
641                                           const RandomVariableNode& node2) {  in isSubordinate()  argument
642     if (node2->type != RandomVariableType::FREE) return false;  in isSubordinate()
645     if (ind1 != mIndexMap[node2]) return true;  in isSubordinate()
647         if (node == node2) return false;  in isSubordinate()