dqrt05.f3
Usage
Functions/Subroutines
subroutine dqrt05 (m, n, l, nb, result)
DQRT05
Function/Subroutine Documentation
subroutine dqrt05 (integer m, integer n, integer l, integer nb, double precision, dimension(6) result)
DQRT05
Purpose:
!> !> DQRT05 tests DTPQRT and DTPMQRT. !>
Parameters
M
!> M is INTEGER !> Number of rows in lower part of the test matrix. !>
N
!> N is INTEGER !> Number of columns in test matrix. !>
L
!> L is INTEGER !> The number of rows of the upper trapezoidal part the !> lower test matrix. 0 <= L <= M. !>
NB
!> NB is INTEGER !> Block size of test matrix. NB <= 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 79 of file dqrt05.f.