n> <span class="number">0.5</span><span class="special">);</span>
</pre>
<p>
          We can, of course, still provide the type explicitly thus:
        </p>
<pre class="programlisting"><span class="comment">// Explicit double precision:  both arguments are double:</span>
<span class="identifier">negative_binomial_distribution</span><span class="special">&lt;</span><span class="keyword">double</span><span class="special">&gt;</span>        <span class="identifier">mydist1</span><span class="special">(</spa