# ztsqr01.f - Man Page

TESTING/LIN/ztsqr01.f

## Synopsis

### Functions/Subroutines

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

## Function/Subroutine Documentation

### subroutine ztsqr01 (character tssw, integer m, integer n, integer mb, integer nb, double precision, dimension(6) result)

**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**.

## Author

Generated automatically by Doxygen for LAPACK from the source code.

## Referenced By

The man page ztsqr01(3) is an alias of ztsqr01.f(3).

Tue Nov 28 2023 12:08:43 Version 3.12.0 LAPACK