RhodeCode

  /// Thus you can neither add nor delete nodes or edges, however 

  /// the structure can be resized using resize().

    /// \brief Resizes the graph

    ///

    /// This function resizes the graph. It fully destroys and

    /// rebuilds the structure, therefore the maps of the graph will be

    /// reallocated automatically and the previous values will be lost.

    void resize(int dim) {

      Parent::notifier(Arc()).clear();

      Parent::notifier(Edge()).clear();

      Parent::notifier(Node()).clear();

      construct(dim);

      Parent::notifier(Node()).build();

      Parent::notifier(Edge()).build();

      Parent::notifier(Arc()).build();

    }

  check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size");

  G.resize(num);

  check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size");

  check(G.nodeNum() == num && G.edgeNum() == num * (num - 1) / 2,

        "Wrong size");

  G.resize(num);

  check(G.nodeNum() == num && G.edgeNum() == num * (num - 1) / 2,

        "Wrong size");

  G.resize(width, height);

  check(G.width() == width, "Wrong column number");

  check(G.height() == height, "Wrong row number");

  check(G.dimension() == dim, "Wrong dimension");

  G.resize(dim);

  check(G.dimension() == dim, "Wrong dimension");