Method potential

ot/lp/network_simplex_simple.h:924–926

\brief Return the potential (dual value) of the given node. This function returns the potential (dual value) of the given node. \pre \ref run() must be called before using this function.

        ///
        /// \pre \ref run() must be called before using this function.
        Cost potential(const Node& n) const {
            return _pi[_node_id(n)];
        }

        /// \brief Return the potential map (the dual solution).
        ///