a><span class="lineno">  110</span>&#160;              <span class="comment">! There may be a way to rewrite to remove this if.</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;              <span class="keywordflow">if</span> (low == upper(idx)) <span class="keywordflow">then</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;                 high = low</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</