<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy">
<area shape="rect" id="Node000000" href="$a03713.html" title=" " alt="" coords="5,5,221,73"/>
<area shape="rect" id="Node000001" href="$a03533.html" title="ratio_equal" alt="" coords="269,15,396,64"/>
<area shape="poly" id="edge606_Node000000_Node000001" title=" " alt="" coords="236,36,268,36,268,42,236,42"/>
</map>
