etmsg_c</a> ( &quot;Frame ID code # could not be mapped to &quot;
                         &quot;a frame name.&quot;                          );
              <a href="errint_c.html">errint_c</a> ( &quot;#&quot;, dskdsc.frmcde                       );
              <a href="sigerr_c.html">sigerr_c</a> ( &quot;SPICE(UNKNOWNFRAME)&quot;                    );
           }

           /.
           Now compute sub-points using both computation
           methods.  We'll vary the aberration corrections
         