 class="lineno">   45</span>&#160;<span class="comment">c apply stored rotations, column-wise</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        ui = u(i)</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <span class="keywordflow">do</span> j = 1,i-1</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;          t = w(j)*r(j,i) + u(j)*ui</div>
<div class="line"><a name="l00049"></a><span 