nd</span>;
0409     <span class="keyword">if</span> (strcmp(varargin{na},<span class="string">'itype'</span>)) <span class="comment">% density - integration type.</span>
0410         deit = varargin{na+1};
0411         inc = 2;
0412     <span class="keyword">end</span>;
0413     <span class="keyword">if</span> (strcmp(varargin{na},<span class="string">'mint'</span>)) <span class="comment">% density - # of integration points.</span>
0414         demint = varargin{na+1};
0415         inc = 2;
0416    