Cloned library LAPACK-3.11.0 with extra build files for internal package management.
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*> \brief \b DERRTR
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE DERRTR( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> DERRTR tests the error exits for the DOUBLE PRECISION triangular
*> routines.
*> \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.
*
*> \ingroup double_lin
*
* =====================================================================
SUBROUTINE DERRTR( PATH, NUNIT )
*
* -- LAPACK test routine --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
*
* .. Scalar Arguments ..
CHARACTER*3 PATH
INTEGER NUNIT
* ..
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX
PARAMETER ( NMAX = 2 )
* ..
* .. Local Scalars ..
CHARACTER*2 C2
INTEGER INFO
DOUBLE PRECISION RCOND, SCALE
* ..
* .. Local Arrays ..
INTEGER IW( NMAX )
DOUBLE PRECISION A( NMAX, NMAX ), B( NMAX ), R1( NMAX ),
$ R2( NMAX ), W( NMAX ), X( NMAX )
* ..
* .. External Functions ..
LOGICAL LSAMEN
EXTERNAL LSAMEN
* ..
* .. External Subroutines ..
EXTERNAL ALAESM, CHKXER, DLATBS, DLATPS, DLATRS,
$ DLATRS3, DTBCON, DTBRFS, DTBTRS, DTPCON,
$ DTPRFS, DTPTRI, DTPTRS, DTRCON, DTRRFS,
$ DTRTI2, DTRTRI, DTRTRS
* ..
* .. Scalars in Common ..
LOGICAL LERR, OK
CHARACTER*32 SRNAMT
INTEGER INFOT, NOUT
* ..
* .. Common blocks ..
COMMON / INFOC / INFOT, NOUT, OK, LERR
COMMON / SRNAMC / SRNAMT
* ..
* .. Executable Statements ..
*
NOUT = NUNIT
WRITE( NOUT, FMT = * )
C2 = PATH( 2: 3 )
A( 1, 1 ) = 1.D0
A( 1, 2 ) = 2.D0
A( 2, 2 ) = 3.D0
A( 2, 1 ) = 4.D0
OK = .TRUE.
*
IF( LSAMEN( 2, C2, 'TR' ) ) THEN
*
* Test error exits for the general triangular routines.
*
* DTRTRI
*
SRNAMT = 'DTRTRI'
INFOT = 1
CALL DTRTRI( '/', 'N', 0, A, 1, INFO )
CALL CHKXER( 'DTRTRI', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTRTRI( 'U', '/', 0, A, 1, INFO )
CALL CHKXER( 'DTRTRI', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTRTRI( 'U', 'N', -1, A, 1, INFO )
CALL CHKXER( 'DTRTRI', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTRTRI( 'U', 'N', 2, A, 1, INFO )
CALL CHKXER( 'DTRTRI', INFOT, NOUT, LERR, OK )
*
* DTRTI2
*
SRNAMT = 'DTRTI2'
INFOT = 1
CALL DTRTI2( '/', 'N', 0, A, 1, INFO )
CALL CHKXER( 'DTRTI2', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTRTI2( 'U', '/', 0, A, 1, INFO )
CALL CHKXER( 'DTRTI2', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTRTI2( 'U', 'N', -1, A, 1, INFO )
CALL CHKXER( 'DTRTI2', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTRTI2( 'U', 'N', 2, A, 1, INFO )
CALL CHKXER( 'DTRTI2', INFOT, NOUT, LERR, OK )
*
* DTRTRS
*
SRNAMT = 'DTRTRS'
INFOT = 1
CALL DTRTRS( '/', 'N', 'N', 0, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTRTRS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTRTRS( 'U', '/', 'N', 0, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTRTRS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTRTRS( 'U', 'N', '/', 0, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTRTRS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTRTRS( 'U', 'N', 'N', -1, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTRTRS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTRTRS( 'U', 'N', 'N', 0, -1, A, 1, X, 1, INFO )
CALL CHKXER( 'DTRTRS', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DTRTRS( 'U', 'N', 'N', 2, 1, A, 1, X, 2, INFO )
CALL CHKXER( 'DTRTRS', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DTRTRS( 'U', 'N', 'N', 2, 1, A, 2, X, 1, INFO )
CALL CHKXER( 'DTRTRS', INFOT, NOUT, LERR, OK )
*
* DTRRFS
*
SRNAMT = 'DTRRFS'
INFOT = 1
CALL DTRRFS( '/', 'N', 'N', 0, 0, A, 1, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTRRFS( 'U', '/', 'N', 0, 0, A, 1, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTRRFS( 'U', 'N', '/', 0, 0, A, 1, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTRRFS( 'U', 'N', 'N', -1, 0, A, 1, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTRRFS( 'U', 'N', 'N', 0, -1, A, 1, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DTRRFS( 'U', 'N', 'N', 2, 1, A, 1, B, 2, X, 2, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DTRRFS( 'U', 'N', 'N', 2, 1, A, 2, B, 1, X, 2, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DTRRFS( 'U', 'N', 'N', 2, 1, A, 2, B, 2, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTRRFS', INFOT, NOUT, LERR, OK )
*
* DTRCON
*
SRNAMT = 'DTRCON'
INFOT = 1
CALL DTRCON( '/', 'U', 'N', 0, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTRCON', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTRCON( '1', '/', 'N', 0, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTRCON', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTRCON( '1', 'U', '/', 0, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTRCON', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTRCON( '1', 'U', 'N', -1, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTRCON', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DTRCON( '1', 'U', 'N', 2, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTRCON', INFOT, NOUT, LERR, OK )
*
* DLATRS
*
SRNAMT = 'DLATRS'
INFOT = 1
CALL DLATRS( '/', 'N', 'N', 'N', 0, A, 1, X, SCALE, W, INFO )
CALL CHKXER( 'DLATRS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DLATRS( 'U', '/', 'N', 'N', 0, A, 1, X, SCALE, W, INFO )
CALL CHKXER( 'DLATRS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DLATRS( 'U', 'N', '/', 'N', 0, A, 1, X, SCALE, W, INFO )
CALL CHKXER( 'DLATRS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DLATRS( 'U', 'N', 'N', '/', 0, A, 1, X, SCALE, W, INFO )
CALL CHKXER( 'DLATRS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DLATRS( 'U', 'N', 'N', 'N', -1, A, 1, X, SCALE, W, INFO )
CALL CHKXER( 'DLATRS', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DLATRS( 'U', 'N', 'N', 'N', 2, A, 1, X, SCALE, W, INFO )
CALL CHKXER( 'DLATRS', INFOT, NOUT, LERR, OK )
*
* DLATRS3
*
SRNAMT = 'DLATRS3'
INFOT = 1
CALL DLATRS3( '/', 'N', 'N', 'N', 0, 0, A, 1, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DLATRS3( 'U', '/', 'N', 'N', 0, 0, A, 1, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DLATRS3( 'U', 'N', '/', 'N', 0, 0, A, 1, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DLATRS3( 'U', 'N', 'N', '/', 0, 0, A, 1, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DLATRS3( 'U', 'N', 'N', 'N', -1, 0, A, 1, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DLATRS3( 'U', 'N', 'N', 'N', 0, -1, A, 1, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DLATRS3( 'U', 'N', 'N', 'N', 2, 0, A, 1, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DLATRS3( 'U', 'N', 'N', 'N', 2, 0, A, 2, X, 1, SCALE, W,
$ W( 2 ), 1, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
INFOT = 14
CALL DLATRS3( 'U', 'N', 'N', 'N', 1, 0, A, 1, X, 1, SCALE, W,
$ W( 2 ), 0, INFO )
CALL CHKXER( 'DLATRS3', INFOT, NOUT, LERR, OK )
*
ELSE IF( LSAMEN( 2, C2, 'TP' ) ) THEN
*
* Test error exits for the packed triangular routines.
*
* DTPTRI
*
SRNAMT = 'DTPTRI'
INFOT = 1
CALL DTPTRI( '/', 'N', 0, A, INFO )
CALL CHKXER( 'DTPTRI', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTPTRI( 'U', '/', 0, A, INFO )
CALL CHKXER( 'DTPTRI', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTPTRI( 'U', 'N', -1, A, INFO )
CALL CHKXER( 'DTPTRI', INFOT, NOUT, LERR, OK )
*
* DTPTRS
*
SRNAMT = 'DTPTRS'
INFOT = 1
CALL DTPTRS( '/', 'N', 'N', 0, 0, A, X, 1, INFO )
CALL CHKXER( 'DTPTRS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTPTRS( 'U', '/', 'N', 0, 0, A, X, 1, INFO )
CALL CHKXER( 'DTPTRS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTPTRS( 'U', 'N', '/', 0, 0, A, X, 1, INFO )
CALL CHKXER( 'DTPTRS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTPTRS( 'U', 'N', 'N', -1, 0, A, X, 1, INFO )
CALL CHKXER( 'DTPTRS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTPTRS( 'U', 'N', 'N', 0, -1, A, X, 1, INFO )
CALL CHKXER( 'DTPTRS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DTPTRS( 'U', 'N', 'N', 2, 1, A, X, 1, INFO )
CALL CHKXER( 'DTPTRS', INFOT, NOUT, LERR, OK )
*
* DTPRFS
*
SRNAMT = 'DTPRFS'
INFOT = 1
CALL DTPRFS( '/', 'N', 'N', 0, 0, A, B, 1, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DTPRFS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTPRFS( 'U', '/', 'N', 0, 0, A, B, 1, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DTPRFS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTPRFS( 'U', 'N', '/', 0, 0, A, B, 1, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DTPRFS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTPRFS( 'U', 'N', 'N', -1, 0, A, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTPRFS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTPRFS( 'U', 'N', 'N', 0, -1, A, B, 1, X, 1, R1, R2, W,
$ IW, INFO )
CALL CHKXER( 'DTPRFS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DTPRFS( 'U', 'N', 'N', 2, 1, A, B, 1, X, 2, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DTPRFS', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DTPRFS( 'U', 'N', 'N', 2, 1, A, B, 2, X, 1, R1, R2, W, IW,
$ INFO )
CALL CHKXER( 'DTPRFS', INFOT, NOUT, LERR, OK )
*
* DTPCON
*
SRNAMT = 'DTPCON'
INFOT = 1
CALL DTPCON( '/', 'U', 'N', 0, A, RCOND, W, IW, INFO )
CALL CHKXER( 'DTPCON', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTPCON( '1', '/', 'N', 0, A, RCOND, W, IW, INFO )
CALL CHKXER( 'DTPCON', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTPCON( '1', 'U', '/', 0, A, RCOND, W, IW, INFO )
CALL CHKXER( 'DTPCON', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTPCON( '1', 'U', 'N', -1, A, RCOND, W, IW, INFO )
CALL CHKXER( 'DTPCON', INFOT, NOUT, LERR, OK )
*
* DLATPS
*
SRNAMT = 'DLATPS'
INFOT = 1
CALL DLATPS( '/', 'N', 'N', 'N', 0, A, X, SCALE, W, INFO )
CALL CHKXER( 'DLATPS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DLATPS( 'U', '/', 'N', 'N', 0, A, X, SCALE, W, INFO )
CALL CHKXER( 'DLATPS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DLATPS( 'U', 'N', '/', 'N', 0, A, X, SCALE, W, INFO )
CALL CHKXER( 'DLATPS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DLATPS( 'U', 'N', 'N', '/', 0, A, X, SCALE, W, INFO )
CALL CHKXER( 'DLATPS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DLATPS( 'U', 'N', 'N', 'N', -1, A, X, SCALE, W, INFO )
CALL CHKXER( 'DLATPS', INFOT, NOUT, LERR, OK )
*
ELSE IF( LSAMEN( 2, C2, 'TB' ) ) THEN
*
* Test error exits for the banded triangular routines.
*
* DTBTRS
*
SRNAMT = 'DTBTRS'
INFOT = 1
CALL DTBTRS( '/', 'N', 'N', 0, 0, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTBTRS( 'U', '/', 'N', 0, 0, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTBTRS( 'U', 'N', '/', 0, 0, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTBTRS( 'U', 'N', 'N', -1, 0, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTBTRS( 'U', 'N', 'N', 0, -1, 0, A, 1, X, 1, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DTBTRS( 'U', 'N', 'N', 0, 0, -1, A, 1, X, 1, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DTBTRS( 'U', 'N', 'N', 2, 1, 1, A, 1, X, 2, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DTBTRS( 'U', 'N', 'N', 2, 0, 1, A, 1, X, 1, INFO )
CALL CHKXER( 'DTBTRS', INFOT, NOUT, LERR, OK )
*
* DTBRFS
*
SRNAMT = 'DTBRFS'
INFOT = 1
CALL DTBRFS( '/', 'N', 'N', 0, 0, 0, A, 1, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTBRFS( 'U', '/', 'N', 0, 0, 0, A, 1, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTBRFS( 'U', 'N', '/', 0, 0, 0, A, 1, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTBRFS( 'U', 'N', 'N', -1, 0, 0, A, 1, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTBRFS( 'U', 'N', 'N', 0, -1, 0, A, 1, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DTBRFS( 'U', 'N', 'N', 0, 0, -1, A, 1, B, 1, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DTBRFS( 'U', 'N', 'N', 2, 1, 1, A, 1, B, 2, X, 2, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DTBRFS( 'U', 'N', 'N', 2, 1, 1, A, 2, B, 1, X, 2, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
INFOT = 12
CALL DTBRFS( 'U', 'N', 'N', 2, 1, 1, A, 2, B, 2, X, 1, R1, R2,
$ W, IW, INFO )
CALL CHKXER( 'DTBRFS', INFOT, NOUT, LERR, OK )
*
* DTBCON
*
SRNAMT = 'DTBCON'
INFOT = 1
CALL DTBCON( '/', 'U', 'N', 0, 0, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTBCON', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTBCON( '1', '/', 'N', 0, 0, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTBCON', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DTBCON( '1', 'U', '/', 0, 0, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTBCON', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTBCON( '1', 'U', 'N', -1, 0, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTBCON', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DTBCON( '1', 'U', 'N', 0, -1, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTBCON', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DTBCON( '1', 'U', 'N', 2, 1, A, 1, RCOND, W, IW, INFO )
CALL CHKXER( 'DTBCON', INFOT, NOUT, LERR, OK )
*
* DLATBS
*
SRNAMT = 'DLATBS'
INFOT = 1
CALL DLATBS( '/', 'N', 'N', 'N', 0, 0, A, 1, X, SCALE, W,
$ INFO )
CALL CHKXER( 'DLATBS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DLATBS( 'U', '/', 'N', 'N', 0, 0, A, 1, X, SCALE, W,
$ INFO )
CALL CHKXER( 'DLATBS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DLATBS( 'U', 'N', '/', 'N', 0, 0, A, 1, X, SCALE, W,
$ INFO )
CALL CHKXER( 'DLATBS', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DLATBS( 'U', 'N', 'N', '/', 0, 0, A, 1, X, SCALE, W,
$ INFO )
CALL CHKXER( 'DLATBS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DLATBS( 'U', 'N', 'N', 'N', -1, 0, A, 1, X, SCALE, W,
$ INFO )
CALL CHKXER( 'DLATBS', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DLATBS( 'U', 'N', 'N', 'N', 1, -1, A, 1, X, SCALE, W,
$ INFO )
CALL CHKXER( 'DLATBS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DLATBS( 'U', 'N', 'N', 'N', 2, 1, A, 1, X, SCALE, W,
$ INFO )
CALL CHKXER( 'DLATBS', INFOT, NOUT, LERR, OK )
END IF
*
* Print a summary line.
*
CALL ALAESM( PATH, OK, NOUT )
*
RETURN
*
* End of DERRTR
*
END