<td>
                <p>
                  <code class="computeroutput"><span class="identifier">Traits</span></code>
                </p>
              </td>
<td>
                <p>
                  This must be a conversion traits class with the interface of <a class="link" href="conversion_traits___traits_class.html" title="conversion_traits&lt;&gt; traits class"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">numeric</span><span