TESTING/LIN/crzt02.f(3)

NAME
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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