="l00147"></a><span class="lineno">  147</span>&#160;      <span class="keywordflow">case</span> 3: <span class="keywordflow">return</span> INFEASIBLE;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;      <span class="keywordflow">case</span> 4: <span class="keywordflow">return</span> OPTIMAL;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;      <span class="keywordflow">default</span>: <span class="keywordflow">return</span> <span cl