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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>    PE_Eb1Ea0Ea1 = 7,  <span class="comment">// point-edge, the shortest distance is the distance between the point 1 in edge b and some point the edge a</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>    EE = 8,  <span class="comment">// edge-edge, the shortest distance is the distance between some point on edge a and some point on edge b</span></div>
<div class="line"><a 