= 0;
0296         <span class="keyword">break</span>;
0297       <span class="keyword">end</span>
0298       
0299       <span class="comment">% check step size restrictions</span>
0300       <span class="keyword">if</span> (alp1 == stpmin &amp;&amp; alp1 ~= 0.)
0301         <span class="comment">% stpmin too large</span>
0302         obj.print(3,Inf,<span class="string">'WARNING: end of line search forced by stpmin'</span>);
0303         nEff = 2;
0304         ier = 0;
0305         <span class="keyword">br