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/home/abuild/rpmbuild/BUILD/lapack-3.12.0/TESTING/LIN/dqrt04.f(3) Library Functions Manual /home/abuild/rpmbuild/BUILD/lapack-3.12.0/TESTING/LIN/dqrt04.f(3)

NAME

/home/abuild/rpmbuild/BUILD/lapack-3.12.0/TESTING/LIN/dqrt04.f

SYNOPSIS

Functions/Subroutines


subroutine DQRT04 (m, n, nb, result)
DQRT04

Function/Subroutine Documentation

subroutine DQRT04 (integer m, integer n, integer nb, double precision, dimension(6) result)

DQRT04

Purpose:

!>
!> DQRT04 tests DGEQRT and DGEMQRT.
!>

Parameters

M 

!>          M is INTEGER
!>          Number of rows in test matrix.
!>

N

!>          N is INTEGER
!>          Number of columns in test matrix.
!>

NB

!>          NB is INTEGER
!>          Block size of test matrix.  NB <= Min(M,N).
!>

RESULT

!>          RESULT is DOUBLE PRECISION array, dimension (6)
!>          Results of each of the six tests below.
!>
!>          RESULT(1) = | A - Q R |
!>          RESULT(2) = | I - Q^H Q |
!>          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 72 of file dqrt04.f.

Author

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Version 3.12.0 LAPACK