TESTING/LIN/crzt01.f(3)

NAME
TESTING/LIN/crzt01.f

SYNOPSIS

  Functions/Subroutines
real function crzt01 (m, n, a, af, lda, tau, work, lwork)
CRZT01

Function/Subroutine Documentation

  real function crzt01 (integer m, integer n, complex, dimension( lda, * ) a, complex, dimension( lda, * ) af, integer lda, complex, dimension( * ) tau, complex, dimension( lwork ) work, integer lwork)

CRZT01

Purpose:

    !>
    !> CRZT01 returns
    !>      || A - R*Q || / ( M * eps * ||A|| )
    !> for an upper trapezoidal A that was factored with CTZRZF.
    !>

Parameters
    M

    !>          M is INTEGER
    !>          The number of rows of the matrices A and AF.
    !>

    N

    !>          N is INTEGER
    !>          The number of columns of the matrices A and AF.
    !>

    A

    !>          A is COMPLEX array, dimension (LDA,N)
    !>          The original upper trapezoidal M by N matrix A.
    !>

    AF

    !>          AF is COMPLEX array, dimension (LDA,N)
    !>          The output of CTZRZF for input matrix A.
    !>          The lower triangle is not referenced.
    !>

    LDA

    !>          LDA is INTEGER
    !>          The leading dimension of the arrays A and 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
    !>          The length of the array WORK.  LWORK >= m*n + m.
    !>

Author
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Definition at line 96 of file crzt01.f.

Author

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