Method flow

ot/lp/network_simplex_simple.h:899–901

\brief Return the flow on the given arc. This function returns the flow on the given arc. \pre \ref run() must be called before using this function.

        ///
        /// \pre \ref run() must be called before using this function.
        Value flow(const Arc& a) const {
            return _flow[getArcID(a)];
        }

        /// \brief Return the flow map (the primal solution).
        ///