td>
</tr>
<tr>
  <td></td>
  <td colspan="2"><code class="code">output = ceil(input0);</code></td>
</tr>
</tfoot>
</table>
</div></div>
<p>
This operation rounds input0, as a signed floating-point value, towards <span class="emphasis"><em>positive infinity</em></span>.
For instance, the value 1.2 rounds to 2.0; -1.2 rounds to -1.0.
The integral value obtained by rounding input0 up is stored in output, as a floating-point
value. Both input0 and output must be the same size. If input0
is <span class="bold"><s