                \</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="preprocessor">        return Extent3D{lhs.depth() op  rhs.depth(),                                 \</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="preprocessor">                        lhs.height() op rhs.height(),                                \</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span cl