mal rank of the transfer function matrix.

  DINFZ   (output) INTEGER
          The maximum degree of infinite elementary divisors.

  NKROR   (output) INTEGER
          The number of right Kronecker indices.

  NKROL   (output) INTEGER
          The number of left Kronecker indices.

  INFZ    (output) INTEGER array, dimension (N)
          The leading DINFZ elements of INFZ contain information
          on the infinite elementary divisors as follows:
          the system has INFZ(i) infinite elementary di