ourier,monospace;">const
point_type&amp; <span style="font-weight: bold;">y</span>() const</td>
            <td>Returns the y-coordinate of the point that represents
the vertex. </td>
          </tr>
          <tr>
            <td style="font-family: Courier New,Courier,monospace;">voronoi_edge_type*
            <span style="font-weight: bold;">incident_edge</span>() </td>
            <td>Returns the incident edge
pointer. </td>
          </tr>
          <tr>
            <td style="font-family: Courier New,