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/home/abuild/rpmbuild/BUILD/lapack-3.12.0/TESTING/LIN/crzt02.f(3) Library Functions Manual /home/abuild/rpmbuild/BUILD/lapack-3.12.0/TESTING/LIN/crzt02.f(3)

NAME

/home/abuild/rpmbuild/BUILD/lapack-3.12.0/TESTING/LIN/crzt02.f

SYNOPSIS

Functions/Subroutines


real function CRZT02 (m, n, af, lda, tau, work, lwork)
CRZT02

Function/Subroutine Documentation

real function CRZT02 (integer m, integer n, complex, dimension( lda, * ) af, integer lda, complex, dimension( * ) tau, complex, dimension( lwork ) work, integer lwork)

CRZT02

Purpose:

!>
!> CRZT02 returns
!>      || I - Q'*Q || / ( M * eps)
!> where the matrix Q is defined by the Householder transformations
!> generated by CTZRZF.
!>

Parameters

M 

!>          M is INTEGER
!>          The number of rows of the matrix AF.
!>

N

!>          N is INTEGER
!>          The number of columns of the matrix AF.
!>

AF

!>          AF is COMPLEX array, dimension (LDA,N)
!>          The output of CTZRZF.
!>

LDA

!>          LDA is INTEGER
!>          The leading dimension of the array AF.
!>

TAU

!>          TAU is COMPLEX array, dimension (M)
!>          Details of the Householder transformations as returned by
!>          CTZRZF.
!>

WORK

!>          WORK is COMPLEX array, dimension (LWORK)
!>

LWORK

!>          LWORK is INTEGER
!>          Length of WORK array. LWORK >= N*N+N.
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 89 of file crzt02.f.

Author

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Version 3.12.0 LAPACK