v class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;                <span class="keyword">typedef</span> tmat2x2&lt;T, P&gt; type;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;                <span class="keyword">typedef</span> tmat2x2&lt;T, P&gt; transpose_type;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;                <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a name="l