no">   50</span>&#160;        <span class="keyword">typedef</span> tvec1&lt;bool, aligned_mediump&gt;    aligned_mediump_bvec1;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        <span class="keyword">typedef</span> tvec1&lt;bool, aligned_lowp&gt;               aligned_lowp_bvec1;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <span class=