.y, rhs.y)) - rhs.y;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>    <span class="keyword">const</span> <span class="keywordtype">double</span> dz = ::fmin(lhs.upper.z, ::fmax(lhs.lower.z, rhs.z)) - rhs.z;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>    <span class="keywordflow">return</span> dx * dx + dy * dy + dz * dz;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>}</div>