span> AABB&lt;double&gt;&amp; rhs) <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>    AABB&lt;double&gt; merged;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span>    merged.upper.x = ::fmax(lhs.upper.x, rhs.upper.x);</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   