uteroutput"><span class="keyword">float</span></code>, <code class="computeroutput"><span class="keyword">double</span></code>
          or <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>,
          or a User-Defined floating-point type (UDT) provided that this UDT has
          a sign and that the changesign function is implemented.
        </p></td></tr>
</table></div>
<h6>
<a name="math_toolkit.fp_facets.reference.h5"></a>
        <span class="phr