n triangle</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>    PE_PT0T1 = 3,  <span class="comment">// point-triangle, the closest point is on the edge (t0, t1)</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>    PE_PT1T2 = 4,  <span class="comment">// point-triangle, the closest point is on the edge (t1, t2)</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>    PE