testdata/lapack/TESTING/LIN/derrsy.f
*> \brief \b DERRSY
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE DERRSY( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> DERRSY tests the error exits for the DOUBLE PRECISION routines
*> for symmetric indefinite matrices.
*> \endverbatim
*
* Arguments:
* ==========
*
*> \param[in] PATH
*> \verbatim
*> PATH is CHARACTER*3
*> The LAPACK path name for the routines to be tested.
*> \endverbatim
*>
*> \param[in] NUNIT
*> \verbatim
*> NUNIT is INTEGER
*> The unit number for output.
*> \endverbatim
*
* Authors:
* ========
*
*> \author Univ. of Tennessee
*> \author Univ. of California Berkeley
*> \author Univ. of Colorado Denver
*> \author NAG Ltd.
*
*> \date November 2017
*
*> \ingroup double_lin
*
* =====================================================================
SUBROUTINE DERRSY( PATH, NUNIT )
*
* -- LAPACK test routine (version 3.8.0) --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* November 2017
*
* .. Scalar Arguments ..
CHARACTER*3 PATH
INTEGER NUNIT
* ..
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX
PARAMETER ( NMAX = 4 )
* ..
* .. Local Scalars ..
CHARACTER*2 C2
INTEGER I, INFO, J
DOUBLE PRECISION ANRM, RCOND
* ..
* .. Local Arrays ..
INTEGER IP( NMAX ), IW( NMAX )
DOUBLE PRECISION A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
$ E( NMAX ), R1( NMAX ), R2( NMAX ), W( 3*NMAX ),
$ X( NMAX )
* ..
* .. External Functions ..
LOGICAL LSAMEN
EXTERNAL LSAMEN
* ..
* .. External Subroutines ..
EXTERNAL ALAESM, CHKXER, DSPCON, DSPRFS, DSPTRF, DSPTRI,
$ DSPTRS, DSYCON, DSYCON_3, DSYCON_ROOK, DSYRFS,
$ DSYTF2, DSYTF2_RK, DSYTF2_ROOK, DSYTRF,
$ DSYTRF_RK, DSYTRF_ROOK, DSYTRF_AA, DSYTRI,
$ DSYTRI_3, DSYTRI_3X, DSYTRI_ROOK, DSYTRI2,
$ DSYTRI2X, DSYTRS, DSYTRS_3, DSYTRS_ROOK,
$ DSYTRS_AA, DSYTRF_AA_2STAGE, DSYTRS_AA_2STAGE
* ..
* .. Scalars in Common ..
LOGICAL LERR, OK
CHARACTER*32 SRNAMT
INTEGER INFOT, NOUT
* ..
* .. Common blocks ..
COMMON / INFOC / INFOT, NOUT, OK, LERR
COMMON / SRNAMC / SRNAMT
* ..
* .. Intrinsic Functions ..
INTRINSIC DBLE
* ..
* .. Executable Statements ..
*
NOUT = NUNIT
WRITE( NOUT, FMT = * )
C2 = PATH( 2: 3 )
*
* Set the variables to innocuous values.
*
DO 20 J = 1, NMAX
DO 10 I = 1, NMAX
A( I, J ) = 1.D0 / DBLE( I+J )
AF( I, J ) = 1.D0 / DBLE( I+J )
10 CONTINUE
B( J ) = 0.D0
E( J ) = 0.D0
R1( J ) = 0.D0
R2( J ) = 0.D0
W( J ) = 0.D0
X( J ) = 0.D0
IP( J ) = J
IW( J ) = J
20 CONTINUE
ANRM = 1.0D0
RCOND = 1.0D0
OK = .TRUE.
*
IF( LSAMEN( 2, C2, 'SY' ) ) THEN
*
* Test error exits of the routines that use factorization
* of a symmetric indefinite matrix with patrial
* (Bunch-Kaufman) pivoting.
*
* DSYTRF
*
SRNAMT = 'DSYTRF'
INFOT = 1
CALL DSYTRF( '/', 0, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRF( 'U', -1, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRF( 'U', 2, A, 1, IP, W, 4, INFO )
CALL CHKXER( 'DSYTRF', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYTRF( 'U', 0, A, 1, IP, W, 0, INFO )
CALL CHKXER( 'DSYTRF', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYTRF( 'U', 0, A, 1, IP, W, -2, INFO )
CALL CHKXER( 'DSYTRF', INFOT, NOUT, LERR, OK )
*
* DSYTF2
*
SRNAMT = 'DSYTF2'
INFOT = 1
CALL DSYTF2( '/', 0, A, 1, IP, INFO )
CALL CHKXER( 'DSYTF2', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTF2( 'U', -1, A, 1, IP, INFO )
CALL CHKXER( 'DSYTF2', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTF2( 'U', 2, A, 1, IP, INFO )
CALL CHKXER( 'DSYTF2', INFOT, NOUT, LERR, OK )
*
* DSYTRI
*
SRNAMT = 'DSYTRI'
INFOT = 1
CALL DSYTRI( '/', 0, A, 1, IP, W, INFO )
CALL CHKXER( 'DSYTRI', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRI( 'U', -1, A, 1, IP, W, INFO )
CALL CHKXER( 'DSYTRI', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRI( 'U', 2, A, 1, IP, W, INFO )
CALL CHKXER( 'DSYTRI', INFOT, NOUT, LERR, OK )
*
* DSYTRI2
*
SRNAMT = 'DSYTRI2'
INFOT = 1
CALL DSYTRI2( '/', 0, A, 1, IP, W, IW(1), INFO )
CALL CHKXER( 'DSYTRI2', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRI2( 'U', -1, A, 1, IP, W, IW(1), INFO )
CALL CHKXER( 'DSYTRI2', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRI2( 'U', 2, A, 1, IP, W, IW(1), INFO )
CALL CHKXER( 'DSYTRI2', INFOT, NOUT, LERR, OK )
*
* DSYTRI2X
*
SRNAMT = 'DSYTRI2X'
INFOT = 1
CALL DSYTRI2X( '/', 0, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI2X', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRI2X( 'U', -1, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI2X', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRI2X( 'U', 2, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI2X', INFOT, NOUT, LERR, OK )
*
* DSYTRS
*
SRNAMT = 'DSYTRS'
INFOT = 1
CALL DSYTRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRS( 'U', -1, 0, A, 1, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSYTRS( 'U', 0, -1, A, 1, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DSYTRS( 'U', 2, 1, A, 1, IP, B, 2, INFO )
CALL CHKXER( 'DSYTRS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSYTRS( 'U', 2, 1, A, 2, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS', INFOT, NOUT, LERR, OK )
*
* DSYRFS
*
SRNAMT = 'DSYRFS'
INFOT = 1
CALL DSYRFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DSYRFS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYRFS( 'U', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DSYRFS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSYRFS( 'U', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DSYRFS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DSYRFS( 'U', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DSYRFS', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYRFS( 'U', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DSYRFS', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DSYRFS', INFOT, NOUT, LERR, OK )
INFOT = 12
CALL DSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DSYRFS', INFOT, NOUT, LERR, OK )
*
* DSYCON
*
SRNAMT = 'DSYCON'
INFOT = 1
CALL DSYCON( '/', 0, A, 1, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSYCON', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYCON( 'U', -1, A, 1, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSYCON', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYCON( 'U', 2, A, 1, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSYCON', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DSYCON( 'U', 1, A, 1, IP, -1.0D0, RCOND, W, IW, INFO )
CALL CHKXER( 'DSYCON', INFOT, NOUT, LERR, OK )
*
ELSE IF( LSAMEN( 2, C2, 'SR' ) ) THEN
*
* Test error exits of the routines that use factorization
* of a symmetric indefinite matrix with rook
* (bounded Bunch-Kaufman) pivoting.
*
* DSYTRF_ROOK
*
SRNAMT = 'DSYTRF_ROOK'
INFOT = 1
CALL DSYTRF_ROOK( '/', 0, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRF_ROOK( 'U', -1, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRF_ROOK( 'U', 2, A, 1, IP, W, 4, INFO )
CALL CHKXER( 'DSYTRF_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYTRF_ROOK( 'U', 0, A, 1, IP, W, 0, INFO )
CALL CHKXER( 'DSYTRF_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYTRF_ROOK( 'U', 0, A, 1, IP, W, -2, INFO )
CALL CHKXER( 'DSYTRF_ROOK', INFOT, NOUT, LERR, OK )
*
* DSYTF2_ROOK
*
SRNAMT = 'DSYTF2_ROOK'
INFOT = 1
CALL DSYTF2_ROOK( '/', 0, A, 1, IP, INFO )
CALL CHKXER( 'DSYTF2_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTF2_ROOK( 'U', -1, A, 1, IP, INFO )
CALL CHKXER( 'DSYTF2_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTF2_ROOK( 'U', 2, A, 1, IP, INFO )
CALL CHKXER( 'DSYTF2_ROOK', INFOT, NOUT, LERR, OK )
*
* DSYTRI_ROOK
*
SRNAMT = 'DSYTRI_ROOK'
INFOT = 1
CALL DSYTRI_ROOK( '/', 0, A, 1, IP, W, INFO )
CALL CHKXER( 'DSYTRI_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRI_ROOK( 'U', -1, A, 1, IP, W, INFO )
CALL CHKXER( 'DSYTRI_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRI_ROOK( 'U', 2, A, 1, IP, W, INFO )
CALL CHKXER( 'DSYTRI_ROOK', INFOT, NOUT, LERR, OK )
*
* DSYTRS_ROOK
*
SRNAMT = 'DSYTRS_ROOK'
INFOT = 1
CALL DSYTRS_ROOK( '/', 0, 0, A, 1, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRS_ROOK( 'U', -1, 0, A, 1, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSYTRS_ROOK( 'U', 0, -1, A, 1, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DSYTRS_ROOK( 'U', 2, 1, A, 1, IP, B, 2, INFO )
CALL CHKXER( 'DSYTRS_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSYTRS_ROOK( 'U', 2, 1, A, 2, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_ROOK', INFOT, NOUT, LERR, OK )
*
* DSYCON_ROOK
*
SRNAMT = 'DSYCON_ROOK'
INFOT = 1
CALL DSYCON_ROOK( '/', 0, A, 1, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSYCON_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYCON_ROOK( 'U', -1, A, 1, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSYCON_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYCON_ROOK( 'U', 2, A, 1, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSYCON_ROOK', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DSYCON_ROOK( 'U', 1, A, 1, IP, -1.0D0, RCOND, W, IW, INFO)
CALL CHKXER( 'DSYCON_ROOK', INFOT, NOUT, LERR, OK )
*
ELSE IF( LSAMEN( 2, C2, 'SK' ) ) THEN
*
* Test error exits of the routines that use factorization
* of a symmetric indefinite matrix with rook
* (bounded Bunch-Kaufman) pivoting with the new storage
* format for factors L ( or U) and D.
*
* L (or U) is stored in A, diagonal of D is stored on the
* diagonal of A, subdiagonal of D is stored in a separate array E.
*
* DSYTRF_RK
*
SRNAMT = 'DSYTRF_RK'
INFOT = 1
CALL DSYTRF_RK( '/', 0, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF_RK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRF_RK( 'U', -1, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF_RK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRF_RK( 'U', 2, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF_RK', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSYTRF_RK( 'U', 0, A, 1, E, IP, W, 0, INFO )
CALL CHKXER( 'DSYTRF_RK', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSYTRF_RK( 'U', 0, A, 1, E, IP, W, -2, INFO )
CALL CHKXER( 'DSYTRF_RK', INFOT, NOUT, LERR, OK )
*
* DSYTF2_RK
*
SRNAMT = 'DSYTF2_RK'
INFOT = 1
CALL DSYTF2_RK( '/', 0, A, 1, E, IP, INFO )
CALL CHKXER( 'DSYTF2_RK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTF2_RK( 'U', -1, A, 1, E, IP, INFO )
CALL CHKXER( 'DSYTF2_RK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTF2_RK( 'U', 2, A, 1, E, IP, INFO )
CALL CHKXER( 'DSYTF2_RK', INFOT, NOUT, LERR, OK )
*
* DSYTRI_3
*
SRNAMT = 'DSYTRI_3'
INFOT = 1
CALL DSYTRI_3( '/', 0, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI_3', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRI_3( 'U', -1, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI_3', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRI_3( 'U', 2, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI_3', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSYTRI_3( 'U', 0, A, 1, E, IP, W, 0, INFO )
CALL CHKXER( 'DSYTRI_3', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSYTRI_3( 'U', 0, A, 1, E, IP, W, -2, INFO )
CALL CHKXER( 'DSYTRI_3', INFOT, NOUT, LERR, OK )
*
* DSYTRI_3X
*
SRNAMT = 'DSYTRI_3X'
INFOT = 1
CALL DSYTRI_3X( '/', 0, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI_3X', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRI_3X( 'U', -1, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI_3X', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRI_3X( 'U', 2, A, 1, E, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRI_3X', INFOT, NOUT, LERR, OK )
*
* DSYTRS_3
*
SRNAMT = 'DSYTRS_3'
INFOT = 1
CALL DSYTRS_3( '/', 0, 0, A, 1, E, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_3', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRS_3( 'U', -1, 0, A, 1, E, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_3', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSYTRS_3( 'U', 0, -1, A, 1, E, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_3', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DSYTRS_3( 'U', 2, 1, A, 1, E, IP, B, 2, INFO )
CALL CHKXER( 'DSYTRS_3', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DSYTRS_3( 'U', 2, 1, A, 2, E, IP, B, 1, INFO )
CALL CHKXER( 'DSYTRS_3', INFOT, NOUT, LERR, OK )
*
* DSYCON_3
*
SRNAMT = 'DSYCON_3'
INFOT = 1
CALL DSYCON_3( '/', 0, A, 1, E, IP, ANRM, RCOND, W, IW,
$ INFO )
CALL CHKXER( 'DSYCON_3', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYCON_3( 'U', -1, A, 1, E, IP, ANRM, RCOND, W, IW,
$ INFO )
CALL CHKXER( 'DSYCON_3', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYCON_3( 'U', 2, A, 1, E, IP, ANRM, RCOND, W, IW,
$ INFO )
CALL CHKXER( 'DSYCON_3', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYCON_3( 'U', 1, A, 1, E, IP, -1.0D0, RCOND, W, IW,
$ INFO)
CALL CHKXER( 'DSYCON_3', INFOT, NOUT, LERR, OK )
*
ELSE IF( LSAMEN( 2, C2, 'SA' ) ) THEN
*
* Test error exits of the routines that use factorization
* of a symmetric indefinite matrix with Aasen's algorithm.
*
* DSYTRF_AA
*
SRNAMT = 'DSYTRF_AA'
INFOT = 1
CALL DSYTRF_AA( '/', 0, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF_AA', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRF_AA( 'U', -1, A, 1, IP, W, 1, INFO )
CALL CHKXER( 'DSYTRF_AA', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRF_AA( 'U', 2, A, 1, IP, W, 4, INFO )
CALL CHKXER( 'DSYTRF_AA', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYTRF_AA( 'U', 0, A, 1, IP, W, 0, INFO )
CALL CHKXER( 'DSYTRF_AA', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYTRF_AA( 'U', 0, A, 1, IP, W, -2, INFO )
CALL CHKXER( 'DSYTRF_AA', INFOT, NOUT, LERR, OK )
*
* DSYTRS_AA
*
SRNAMT = 'DSYTRS_AA'
INFOT = 1
CALL DSYTRS_AA( '/', 0, 0, A, 1, IP, B, 1, W, 1, INFO )
CALL CHKXER( 'DSYTRS_AA', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRS_AA( 'U', -1, 0, A, 1, IP, B, 1, W, 1, INFO )
CALL CHKXER( 'DSYTRS_AA', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSYTRS_AA( 'U', 0, -1, A, 1, IP, B, 1, W, 1, INFO )
CALL CHKXER( 'DSYTRS_AA', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DSYTRS_AA( 'U', 2, 1, A, 1, IP, B, 2, W, 1, INFO )
CALL CHKXER( 'DSYTRS_AA', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSYTRS_AA( 'U', 2, 1, A, 2, IP, B, 1, W, 1, INFO )
CALL CHKXER( 'DSYTRS_AA', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DSYTRS_AA( 'U', 0, 1, A, 2, IP, B, 1, W, 0, INFO )
CALL CHKXER( 'DSYTRS_AA', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DSYTRS_AA( 'U', 0, 1, A, 2, IP, B, 1, W, -2, INFO )
CALL CHKXER( 'DSYTRS_AA', INFOT, NOUT, LERR, OK )
*
ELSE IF( LSAMEN( 2, C2, 'S2' ) ) THEN
*
* Test error exits of the routines that use factorization
* of a symmetric indefinite matrix with Aasen's algorithm.
*
* DSYTRF_AA_2STAGE
*
SRNAMT = 'DSYTRF_AA_2STAGE'
INFOT = 1
CALL DSYTRF_AA_2STAGE( '/', 0, A, 1, A, 1, IP, IP, W, 1,
$ INFO )
CALL CHKXER( 'DSYTRF_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRF_AA_2STAGE( 'U', -1, A, 1, A, 1, IP, IP, W, 1,
$ INFO )
CALL CHKXER( 'DSYTRF_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DSYTRF_AA_2STAGE( 'U', 2, A, 1, A, 2, IP, IP, W, 1,
$ INFO )
CALL CHKXER( 'DSYTRF_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DSYTRF_AA_2STAGE( 'U', 2, A, 2, A, 1, IP, IP, W, 1,
$ INFO )
CALL CHKXER( 'DSYTRF_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DSYTRF_AA_2STAGE( 'U', 2, A, 2, A, 8, IP, IP, W, 0,
$ INFO )
CALL CHKXER( 'DSYTRF_AA_2STAGE', INFOT, NOUT, LERR, OK )
*
* DSYTRS_AA_2STAGE
*
SRNAMT = 'DSYTRS_AA_2STAGE'
INFOT = 1
CALL DSYTRS_AA_2STAGE( '/', 0, 0, A, 1, A, 1, IP, IP,
$ B, 1, INFO )
CALL CHKXER( 'DSYTRS_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSYTRS_AA_2STAGE( 'U', -1, 0, A, 1, A, 1, IP, IP,
$ B, 1, INFO )
CALL CHKXER( 'DSYTRS_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSYTRS_AA_2STAGE( 'U', 0, -1, A, 1, A, 1, IP, IP,
$ B, 1, INFO )
CALL CHKXER( 'DSYTRS_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DSYTRS_AA_2STAGE( 'U', 2, 1, A, 1, A, 1, IP, IP,
$ B, 1, INFO )
CALL CHKXER( 'DSYTRS_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSYTRS_AA_2STAGE( 'U', 2, 1, A, 2, A, 1, IP, IP,
$ B, 1, INFO )
CALL CHKXER( 'DSYTRS_AA_2STAGE', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DSYTRS_AA_2STAGE( 'U', 2, 1, A, 2, A, 8, IP, IP,
$ B, 1, INFO )
CALL CHKXER( 'DSYTRS_AA_STAGE', INFOT, NOUT, LERR, OK )
ELSE IF( LSAMEN( 2, C2, 'SP' ) ) THEN
*
* Test error exits of the routines that use factorization
* of a symmetric indefinite packed matrix with patrial
* (Bunch-Kaufman) pivoting.
*
* DSPTRF
*
SRNAMT = 'DSPTRF'
INFOT = 1
CALL DSPTRF( '/', 0, A, IP, INFO )
CALL CHKXER( 'DSPTRF', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSPTRF( 'U', -1, A, IP, INFO )
CALL CHKXER( 'DSPTRF', INFOT, NOUT, LERR, OK )
*
* DSPTRI
*
SRNAMT = 'DSPTRI'
INFOT = 1
CALL DSPTRI( '/', 0, A, IP, W, INFO )
CALL CHKXER( 'DSPTRI', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSPTRI( 'U', -1, A, IP, W, INFO )
CALL CHKXER( 'DSPTRI', INFOT, NOUT, LERR, OK )
*
* DSPTRS
*
SRNAMT = 'DSPTRS'
INFOT = 1
CALL DSPTRS( '/', 0, 0, A, IP, B, 1, INFO )
CALL CHKXER( 'DSPTRS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSPTRS( 'U', -1, 0, A, IP, B, 1, INFO )
CALL CHKXER( 'DSPTRS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSPTRS( 'U', 0, -1, A, IP, B, 1, INFO )
CALL CHKXER( 'DSPTRS', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DSPTRS( 'U', 2, 1, A, IP, B, 1, INFO )
CALL CHKXER( 'DSPTRS', INFOT, NOUT, LERR, OK )
*
* DSPRFS
*
SRNAMT = 'DSPRFS'
INFOT = 1
CALL DSPRFS( '/', 0, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DSPRFS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSPRFS( 'U', -1, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DSPRFS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DSPRFS( 'U', 0, -1, A, AF, IP, B, 1, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DSPRFS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DSPRFS( 'U', 2, 1, A, AF, IP, B, 1, X, 2, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DSPRFS', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DSPRFS( 'U', 2, 1, A, AF, IP, B, 2, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DSPRFS', INFOT, NOUT, LERR, OK )
*
* DSPCON
*
SRNAMT = 'DSPCON'
INFOT = 1
CALL DSPCON( '/', 0, A, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSPCON', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DSPCON( 'U', -1, A, IP, ANRM, RCOND, W, IW, INFO )
CALL CHKXER( 'DSPCON', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DSPCON( 'U', 1, A, IP, -1.0D0, RCOND, W, IW, INFO )
CALL CHKXER( 'DSPCON', INFOT, NOUT, LERR, OK )
END IF
*
* Print a summary line.
*
CALL ALAESM( PATH, OK, NOUT )
*
RETURN
*
* End of DERRSY
*
END