 the distribution.</p>
<p>Requires: a &gt; 0 &amp;&amp; b &gt; 0 </p>
</li></ol></div>
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<div class="refsect2">
<a name="idp157167152"></a><h3>
<a name="idp74785216-bb"></a><code class="computeroutput">param_type</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="identifier">RealType</span> <a name="idp74785424-bb"></a><span class="identifier">a</span><span class="special">(</span><span class="spec