LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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subroutine stsqr01 | ( | character | TSSW, |
integer | M, | ||
integer | N, | ||
integer | MB, | ||
integer | NB, | ||
real, dimension(6) | RESULT | ||
) |
STSQR01
DTSQR01 tests DGEQR , DGELQ, DGEMLQ and DGEMQR.
[in] | TSSW | TSSW is CHARACTER 'TS' for testing tall skinny QR and anything else for testing short wide LQ |
[in] | M | M is INTEGER Number of rows in test matrix. |
[in] | N | N is INTEGER Number of columns in test matrix. |
[in] | MB | MB is INTEGER Number of row in row block in test matrix. |
[in] | NB | NB is INTEGER Number of columns in column block test matrix. |
[out] | 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 | |