+2}],
            50]</code>
          </p>
</td></tr>
</table></div>
<p>
          The parameters of a distribution can be obtained using these member functions:
        </p>
<pre class="programlisting"><span class="identifier">RealType</span> <span class="identifier">lower</span><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
</pre>
<p>
          Returns the <span class="emphasis"><em>lower</em></span> parameter of this distribution (default
          -1).
 