="Getting the Best Performance from this Library">release
        and debug builds can be as much as 20 times</a>, so for complex applications
        this can be a big win.
      </p>
<h5>
<a name="math_toolkit.extern_c.tr1.h1"></a>
        <span class="phrase"><a name="math_toolkit.extern_c.tr1.supported_c99_functions"></a></span><a class="link" href="tr1.html#math_toolkit.extern_c.tr1.supported_c99_functions">Supported
        C99 Functions</a>
      </h5>
<p>
        See also the <a class="link" href="c