tyle="vertical-align: top;">At least 8X-bit signed
integer type for voronoi of points.<br>
At least 64X-bit signed integer type for voronoi of segments.<br>
            </td>
          </tr>
          <tr>
            <td style="vertical-align: top; font-family: 'Courier New',Courier,monospace; font-weight: bold;">
fpt_type<br>
            </td>
            <td style="vertical-align: top;">IEEE-754 floating point
type, with mantissa at least (X+16) bits and exponent able to handle
32X-bit unsigned integer t