 a
          generator of the inverse one has to set
            G(K+1:2*K, 1:K) = 0,    if TYPET = 'R';
            G(1:K, K+1:2*K) = 0,    if TYPET = 'C'.

  LDG     INTEGER
          The leading dimension of the array G.
          LDG &gt;= MAX(1,2*K),  if TYPET = 'R' and JOB = 'R', or 'A';
          LDG &gt;= MAX(1,( N + M )*K),
                              if TYPET = 'C' and JOB = 'R', or 'A';
          LDG &gt;= 1,           if JOB = 'O'.

  R       (input/output)  DOUBLE PRECISION array, dimension
 