*>
*> \param[in] AB
*> \verbatim
-*> AB is DOUBLE PRECISION array, dimension (LDAB,N)
+*> AB is REAL array, dimension (LDAB,N)
*> The original band matrix A, stored in rows 1 to KL+KU+1.
*> The j-th column of A is stored in the j-th column of the
*> array AB as follows:
*>
*> \param[in] AFB
*> \verbatim
-*> AFB is DOUBLE PRECISION array, dimension (LDAFB,N)
+*> AFB is REAL array, dimension (LDAFB,N)
*> Details of the LU factorization of the band matrix A, as
*> computed by DGBTRF. U is stored as an upper triangular band
*> matrix with KL+KU superdiagonals in rows 1 to KL+KU+1, and