ne" href="a00732.html#gacd33061fc64a7b2dcfd7322c49d9557a">  122</a></span>&#160;    <span class="keyword">typedef</span> mat&lt;2, 4, double, highp&gt;        <a class="code" href="a00732.html#gacd33061fc64a7b2dcfd7322c49d9557a">double2x4</a>;      </div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="a00732.html#ga5ec08fc39c9d783dfcc488be240fe975">  123</a></span>&#160;    <span class="keyword">typedef</span> mat&lt;3, 2, double, highp&gt;        <a class="code" href="a007