al">}</span> <span class="special">}</span> <span class="comment">// namespace numeric, boost</span>
</pre>
      <p>
        <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">numeric</span><span class="special">::</span><span class="identifier">converter</span><span class="special">&lt;&gt;</span></code>
        is a <a class="ulink" href="http://www.sgi.com/tech/stl/UnaryFunction.html" target="_top">Unary Function
        Object</a> e