DTSQR01 tests DGEQR , DGELQ, DGEMLQ and DGEMQR.

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 |

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.