 column oriented and rank
                  deficient;
          = 'C':  generator is column oriented and not rank
                  deficient;
          = 'R':  generator is row oriented and not rank
                  deficient.
          Note that this parameter must be equivalent with the
          used TYPEG in the call of MB02CU.

  STRUCG  CHARACTER*1
          Information about the structure of the generators,
          as follows:
          = 'T':  the trailing block of the positive generator
      