stsqr01.f - Man Page

subroutine stsqr01 (tssw, m, n, mb, nb, result)
STSQR01

STSQR01

Purpose:

 DTSQR01 tests DGEQR , DGELQ, DGEMLQ and DGEMQR.

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 REAL 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 83 of file stsqr01.f.