ut"><span class="identifier">RealType</span></code>)
          defaults to type <code class="computeroutput"><span class="keyword">double</span></code>, so
          we can also write:
        </p>
<pre class="programlisting"><span class="identifier">negative_binomial_distribution</span><span class="special">&lt;&gt;</span> <span class="identifier">mydist9</span><span class="special">(</span><span class="number">8.</span><span class="special">,</span> <span class="number">0.25</span><span class="special">);