          state/output matrix C of the system.

  LDC     INTEGER
          The leading dimension of array C.  LDC &gt;= MAX(1,P).

  D       (input) COMPLEX*16 array, dimension (LDD,M)
          The leading P-by-M part of this array must contain the
          direct transmission matrix D of the system.

  LDD     INTEGER
          The leading dimension of array D.  LDD &gt;= MAX(1,P).

  NU      (output) INTEGER
          The number of (finite) invariant zeros.

  RANK    (output) INTEGER
          The nor