="l00063"></a><span class="lineno">   63</span>&#160;                        vec&lt;3, V2, Q&gt; const&amp; v2,</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                        vec&lt;3, V3, Q&gt; const&amp; v3);</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                <span class="comment">// -- Matrix conversions --</span></div>
<div cla