n of the Type of the Result"><span class="emphasis"><em>result
        type calculation rules</em></span></a>.
      </p>
<h5>
<a name="math_toolkit.extern_c.tr1.h3"></a>
        <span class="phrase"><a name="math_toolkit.extern_c.tr1.currently_unsupported_c99_functions"></a></span><a class="link" href="tr1.html#math_toolkit.extern_c.tr1.currently_unsupported_c99_functions">Currently
        Unsupported C99 Functions</a>
      </h5>
<pre class="programlisting"><span class="keyword">double</span> <span class