.
          On entry, if TYPEG = 'R', the leading K-by-N part of this
          array must contain the first part of the positive
          generator to be processed.
          On exit, if TYPEG = 'D'  or  TYPEG = 'C', the leading
          N-by-K part of this array contains the first part of the
          transformed positive generator.
          On exit, if TYPEG = 'R', the leading K-by-N part of this
          array contains the first part of the transformed positive
          generator.

  LDF1    INTEG