t</td>
  <td></td>
  <td>Boolean varnode containing result of NaN test.</td>
</tr>
</tbody>
<tfoot>
<tr>
  <td align="center" colspan="2"><span class="bold"><strong>Semantic statement</strong></span></td>
  <td></td>
</tr>
<tr>
  <td></td>
  <td colspan="2"><code class="code">output = nan(input0);</code></td>
</tr>
</tfoot>
</table>
</div></div>
<p>
This operator returns <span class="emphasis"><em>true</em></span> in output if input0 is
interpreted as <span class="bold"><strong>NaN</strong></span>. Output m