              vec&lt;3, T, Q&gt; <span class="keyword">const</span>&amp; direction,</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                vec&lt;3, T, Q&gt; <span class="keyword">const</span>&amp; up);</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, quali