COIN-OR::LEMON - Graph Library

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  • lemon/hypercube_graph.h

    r833 r835  
    263263    }
    264264
    265     int index(Node node) const {
     265    static int index(Node node) {
    266266      return node._id;
    267267    }
     
    295295  /// only in the concept class.
    296296  ///
     297  /// This class provides constant time counting for nodes, edges and arcs.
     298  ///
    297299  /// \note The type of the indices is chosen to \c int for efficiency
    298300  /// reasons. Thus the maximum dimension of this implementation is 26
     
    357359    /// Gives back the index of the given node.
    358360    /// The lower bits of the integer describes the node.
    359     int index(Node node) const {
     361    static int index(Node node) {
    360362      return Parent::index(node);
    361363    }
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