r <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>.
              </li>
<li class="listitem">
                Never uses <code class="computeroutput"><span class="identifier">fpclass</span></code>
                which doesn't support <code class="computeroutput"><span class="keyword">long</span>
                <span class="keyword">double</span></code>.
              </li>
<li class="listitem">
                <a href="http://svn.boost.org/trac/boos