TESTING/EIG/dget33.f(3)

NAME
TESTING/EIG/dget33.f

SYNOPSIS

  Functions/Subroutines
subroutine dget33 (rmax, lmax, ninfo, knt)
DGET33

Function/Subroutine Documentation

  subroutine dget33 (double precision rmax, integer lmax, integer ninfo, integer knt)

DGET33

Purpose:

    !>
    !> DGET33 tests DLANV2, a routine for putting 2 by 2 blocks into
    !> standard form.  In other words, it computes a two by two rotation
    !> [[C,S]
    [-S,C]] where in
    !>
    !>    [ C S ][T(1,1) T(1,2)][ C -S ] = [ T11 T12 ]
    !>    [-S C ][T(2,1) T(2,2)][ S  C ]   [ T21 T22 ]
    !>
    !> either
    !>    1) T21=0 (real eigenvalues), or
    !>    2) T11=T22 and T21*T12<0 (complex conjugate eigenvalues).
    !> We also  verify that the residual is small.
    !>

Parameters
    RMAX

    !>          RMAX is DOUBLE PRECISION
    !>          Value of the largest test ratio.
    !>

    LMAX

    !>          LMAX is INTEGER
    !>          Example number where largest test ratio achieved.
    !>

    NINFO

    !>          NINFO is INTEGER
    !>          Number of examples returned with INFO .NE. 0.
    !>

    KNT

    !>          KNT is INTEGER
    !>          Total number of examples tested.
    !>

Author
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Definition at line 75 of file dget33.f.

Author

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