pan>&#160;        <span class="keyword">static</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> is_mat = <span class="keyword">false</span>;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <span class="keyword">static</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> is_quat = <span class="keyword">true</span>;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <spa