ALAHD prints header information for the different test paths.

IOUNIT

          IOUNIT is INTEGER


          The unit number to which the header information should be


          printed.

PATH

          PATH is CHARACTER*3


          The name of the path for which the header information is to


          be printed.  Current paths are


             _GE:  General matrices


             _GB:  General band


             _GT:  General Tridiagonal


             _PO:  Symmetric or Hermitian positive definite


             _PS:  Symmetric or Hermitian positive semi-definite


             _PP:  Symmetric or Hermitian positive definite packed


             _PB:  Symmetric or Hermitian positive definite band


             _PT:  Symmetric or Hermitian positive definite tridiagonal


             _SY:  Symmetric indefinite,


                     with partial (Bunch-Kaufman) pivoting


             _SR:  Symmetric indefinite,


                     with rook (bounded Bunch-Kaufman) pivoting


             _SK:  Symmetric indefinite,


                     with rook (bounded Bunch-Kaufman) pivoting


                     ( new storage format for factors:


                       L and diagonal of D is stored in A,


                       subdiagonal of D is stored in E )


             _SP:  Symmetric indefinite packed,


                     with partial (Bunch-Kaufman) pivoting


             _HA:  (complex) Hermitian ,


                     with Aasen Algorithm


             _HE:  (complex) Hermitian indefinite,


                     with partial (Bunch-Kaufman) pivoting


             _HR:  (complex) Hermitian indefinite,


                     with rook (bounded Bunch-Kaufman) pivoting


             _HK:  (complex) Hermitian indefinite,


                     with rook (bounded Bunch-Kaufman) pivoting


                     ( new storage format for factors:


                       L and diagonal of D is stored in A,


                       subdiagonal of D is stored in E )


             _HP:  (complex) Hermitian indefinite packed,


                     with partial (Bunch-Kaufman) pivoting


             _TR:  Triangular


             _TP:  Triangular packed


             _TB:  Triangular band


             _QR:  QR (general matrices)


             _LQ:  LQ (general matrices)


             _QL:  QL (general matrices)


             _RQ:  RQ (general matrices)


             _QP:  QR with column pivoting


             _TZ:  Trapezoidal


             _LS:  Least Squares driver routines


             _LU:  LU variants


             _CH:  Cholesky variants


             _QS:  QR variants


             _QT:  QRT (general matrices)


             _QX:  QRT (triangular-pentagonal matrices)


             _TS:  QR routines for tall-skinny and short-wide matrices


             _HH:  Householder reconstruction for tall-skinny matrices


          The first character must be one of S, D, C, or Z (C or Z only


          if complex).

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