"l00021"></a><span class="lineno">   21</span>    {</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>    }</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span>    <span class="keywordflow">if</span>(lhs.upper.y &lt; rhs.lower.y || rhs.upper.y &lt; lhs.lower.y