&lt;= kappa*alp2)
0285           <span class="comment">% step close to a NaN point !!!!!!</span>
0286           nEff = 1;
0287           ier = 0;
0288           <span class="keyword">break</span>;
0289         <span class="keyword">end</span>
0290       <span class="keyword">end</span>
0291       
0292       <span class="keyword">if</span> (alp2*mu2*max(omega1,omega2) &gt;= eff &amp;&amp; f ~= f0)
0293         <span class="comment">% efficiency condition holds</span>
0294         nEff = 1;
0295         ier 