        = 'C':  continuous-time system;
          = 'D':  discrete-time system.

  JOBE    CHARACTER*1
          Specifies whether E is an identity matrix, a general
          square matrix, or a matrix in compressed form, as follows:
          = 'I':  E is the identity matrix;
          = 'G':  E is a general matrix;
          = 'C':  E is in compressed form, i.e., E = [ T  0 ],
                                                     [ 0  0 ]
                  with a square full-rank matrix T.

  EQUIL   CHAR