    <span class="keyword">end</span>
0259     <span class="keyword">end</span>
0260     
0261     <span class="comment">%**********************************</span>
0262     <span class="comment">%* convergence tests              *</span>
0263     <span class="comment">%**********************************</span>
0264     
0265     <span class="comment">%if (f0 &gt;= HUGE_VAL &amp;&amp; f &lt; f0)</span>
0266       <span class="comment">% f0=infinity and f is finite</span>
0267     <span class="comment">%  obj.