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Thrown when edges are not symmetric in a symmetric graph.
Thrown when a cycle has been detected in an acyclic graph.
An edge (or arc) between two vertices.
A graph is a set of vertices that are connected by directed edges.
Checks a graph for consistency.
Exceptions indicating problems have been detected in graph state.
Sorts the vertices of a graph into a particular order.
A multi graph is a set of vertices that are connected by directed edges.
A graph where each edge has an edge in the opposite direction.
A multi graph where each edge has an edge in the opposite direction.
A weight is anything that can be compared and added.