  <span class="keywordtype">float</span> w1 = v1._w;</div>
<div class="line"><span class="lineno">   80</span>            <span class="keywordtype">float</span> w2 = v2._w;</div>
<div class="line"><span class="lineno">   81</span> </div>
<div class="line"><span class="lineno">   82</span>            <span class="comment">//Vector3 s = new Vector3(w1 * w2 - x1.Dot(x2), w1 * x2 + w2 * x1 + x1.Cross(x2));</span></div>
<div class="line"><span class="lineno">   83</span> </div>
<div class="line"><span class="lin