an><span class="special">);</span>
<span class="keyword">long</span> <span class="keyword">double</span> <span class="identifier">lgammal</span><span class="special">(</span><span class="keyword">long</span> <span class="keyword">double</span> <span class="identifier">x</span><span class="special">);</span>
</pre>
<p>
      Returns the log of the gamma function of <span class="emphasis"><em>x</em></span>.
    </p>
<div class="blockquote"><blockquote class="blockquote"><p>
        <span class="inlinemediaobj