span class="number">0</span><span class="special">;</span>
<span class="special">}</span>
</pre>
<p>
        </p>
<p>
          Output:
        </p>
<pre class="programlisting">Area: 6.5
Contains (1.5, 2.5): false
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2009-2012 Barend
      Gehrels, Bruno Lalande, Mateusz Loskot<p>
        Distributed under the Boost Sof