 stpmin;
0418     <span class="keyword">elseif</span> (alp &gt; stpmax)
0419       alp=stpmax;
0420     <span class="keyword">end</span>
0421     
0422     <span class="keyword">if</span> (alp &gt; alp2 &amp;&amp; (alp &lt; alp1 || alp1 == 0.))
0423       <span class="comment">% good trial step; request next function value</span>
0424       <span class="comment">% task='VALUE'</span>
0425       ;
0426     <span class="keyword">else</span>
0427       <span class="comment">% interval too small for splitting</