ztsqr01.f - Man Page

subroutine ztsqr01 (tssw, m, n, mb, nb, result)
ZTSQR01

ZTSQR01

Purpose:

 ZTSQR01 tests ZGEQR , ZGELQ, ZGEMLQ and ZGEMQR.

Parameters

TSSW

          TSSW is CHARACTER
          'TS' for testing tall skinny QR
               and anything else for testing short wide LQ

M

          M is INTEGER
          Number of rows in test matrix.

N

          N is INTEGER
          Number of columns in test matrix.

MB

          MB is INTEGER
          Number of row in row block in test matrix.

NB

          NB is INTEGER
          Number of columns in column block test matrix.

RESULT

          RESULT is DOUBLE PRECISION array, dimension (6)
          Results of each of the six tests below.

          RESULT(1) = | A - Q R | or | A - L Q |
          RESULT(2) = | I - Q^H Q | or | I - Q Q^H |
          RESULT(3) = | Q C - Q C |
          RESULT(4) = | Q^H C - Q^H C |
          RESULT(5) = | C Q - C Q |
          RESULT(6) = | C Q^H - C Q^H |

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 81 of file ztsqr01.f.