OrderEdge* getOrderEdgeFromOrderGraph(OrderGraph* graph, OrderNode* begin, OrderNode* end);
void addOrderEdge(OrderGraph* graph, OrderNode* node1, OrderNode* node2, Boolean* constr);
void deleteOrderGraph(OrderGraph* graph);
-
+OrderEdge* getInverseOrderEdge(OrderGraph* graph, OrderEdge *edge);
#endif /* ORDERGRAPH_H */