</td>
          </tr>
          <tr>
            <td style="font-family: Courier New,Courier,monospace;">size_t
            <span style="font-weight: bold;">num_cells</span>() const </td>
            <td>Returns the number of the Voronoi
cells in the Voronoi diagram. </td>
          </tr>
          <tr>
            <td style="font-family: Courier New,Courier,monospace;">size_t
            <span style="font-weight: bold;">num_edges</span>() const </td>
            <td>Returns the number of the
Voronoi edges 