l'</span>) || ~isfield(pen,<span class="string">'ci'</span>))
0066       error(<span class="string">'Input: incomplete linear constraints Bx&lt;=c.'</span>);
0067     <span class="keyword">end</span>
0068     <span class="keyword">if</span> (any(pen.bi_dim&lt;0))
0069       error(<span class="string">'Input: bi_dim has negative components.'</span>);
0070     <span class="keyword">end</span>
0071 
0072     <span class="comment">% convert CCS -&gt; CS</span>
0073     nnzB=sum(pen.bi_dim);
0074     brows=[];
0