an class="comment">// namespaces</span>
</pre>
<h5>
<a name="math_toolkit.ellint.ellint_d.h1"></a>
        <span class="phrase"><a name="math_toolkit.ellint.ellint_d.description"></a></span><a class="link" href="ellint_d.html#math_toolkit.ellint.ellint_d.description">Description</a>
      </h5>
<p>
        These two functions evaluate the incomplete elliptic integral <span class="emphasis"><em>D(&#966;,
        k)</em></span> and its complete counterpart <span class="emphasis"><em>D(k) = D(&#960;/2, k)</em>