   <code class="funcdef">genDType <strong class="fsfunc">mix</strong>(</code>
              </td>
              <td>genDType <var class="pdparam">x</var>, </td>
            </tr>
            <tr>
              <td> </td>
              <td>genDType <var class="pdparam">y</var>, </td>
            </tr>
            <tr>
              <td> </td>
              <td>double <var class="pdparam">a</var><code>)</code>;</td>
            </tr>
          </table>
          <div class="funcprototype-spacer"> </div>
  