TESTING/LIN/dtsqr01.f(3) Library Functions Manual TESTING/LIN/dtsqr01.f(3) NAME TESTING/LIN/dtsqr01.f SYNOPSIS Functions/Subroutines subroutine dtsqr01 (tssw, m, n, mb, nb, result) DTSQR01 Function/Subroutine Documentation subroutine dtsqr01 (character tssw, integer m, integer n, integer mb, integer nb, double precision, dimension(6) result) DTSQR01 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 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 83 of file dtsqr01.f. Author Generated automatically by Doxygen for LAPACK from the source code. LAPACK Version 3.12.0 TESTING/LIN/dtsqr01.f(3)