</a><span class="lineno">  193</span><span class="preprocessor">    {                                                                                                 \</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="preprocessor">        return (lhs.depth() op rhs.depth()) &amp;&amp; (lhs.height() op rhs.height())                         \</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class