ING: end of line search forced by stpmin'</span>);
0277         nEff = 2;
0278         ier = 0;
0279         <span class="keyword">break</span>;
0280       <span class="keyword">end</span>     
0281     <span class="keyword">else</span>
0282       <span class="comment">% now the sufficient decrease condition holds</span>
0283       <span class="keyword">if</span> (0)   <span class="comment">%/*_isnan(f1)*/</span>
0284         <span class="keyword">if</span> (k &gt;= 3 &amp;&amp; alp == alp2 &amp;&amp; alp1 