testdata/lapack/TESTING/EIG/derrbd.f
*> \brief \b DERRBD
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE DERRBD( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> DERRBD tests the error exits for DGEBD2, DGEBRD, DORGBR, DORMBR,
*> DBDSQR, DBDSDC and DBDSVDX.
*> \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 June 2016
*
*> \ingroup double_eig
*
* =====================================================================
SUBROUTINE DERRBD( PATH, NUNIT )
*
* -- LAPACK test routine (version 3.7.0) --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* June 2016
*
* .. Scalar Arguments ..
CHARACTER*3 PATH
INTEGER NUNIT
* ..
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX, LW
PARAMETER ( NMAX = 4, LW = NMAX )
DOUBLE PRECISION ZERO, ONE
PARAMETER ( ZERO = 0.0D0, ONE = 1.0D0 )
* ..
* .. Local Scalars ..
CHARACTER*2 C2
INTEGER I, INFO, J, NS, NT
* ..
* .. Local Arrays ..
INTEGER IQ( NMAX, NMAX ), IW( NMAX )
DOUBLE PRECISION A( NMAX, NMAX ), D( NMAX ), E( NMAX ),
$ Q( NMAX, NMAX ), S( NMAX ), TP( NMAX ),
$ TQ( NMAX ), U( NMAX, NMAX ),
$ V( NMAX, NMAX ), W( LW )
* ..
* .. External Functions ..
LOGICAL LSAMEN
EXTERNAL LSAMEN
* ..
* .. External Subroutines ..
EXTERNAL CHKXER, DBDSDC, DBDSQR, DBDSVDX, DGEBD2,
$ DGEBRD, DORGBR, DORMBR
* ..
* .. 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 )
10 CONTINUE
20 CONTINUE
OK = .TRUE.
NT = 0
*
* Test error exits of the SVD routines.
*
IF( LSAMEN( 2, C2, 'BD' ) ) THEN
*
* DGEBRD
*
SRNAMT = 'DGEBRD'
INFOT = 1
CALL DGEBRD( -1, 0, A, 1, D, E, TQ, TP, W, 1, INFO )
CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DGEBRD( 0, -1, A, 1, D, E, TQ, TP, W, 1, INFO )
CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DGEBRD( 2, 1, A, 1, D, E, TQ, TP, W, 2, INFO )
CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DGEBRD( 2, 1, A, 2, D, E, TQ, TP, W, 1, INFO )
CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK )
NT = NT + 4
*
* DGEBD2
*
SRNAMT = 'DGEBD2'
INFOT = 1
CALL DGEBD2( -1, 0, A, 1, D, E, TQ, TP, W, INFO )
CALL CHKXER( 'DGEBD2', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DGEBD2( 0, -1, A, 1, D, E, TQ, TP, W, INFO )
CALL CHKXER( 'DGEBD2', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DGEBD2( 2, 1, A, 1, D, E, TQ, TP, W, INFO )
CALL CHKXER( 'DGEBD2', INFOT, NOUT, LERR, OK )
NT = NT + 3
*
* DORGBR
*
SRNAMT = 'DORGBR'
INFOT = 1
CALL DORGBR( '/', 0, 0, 0, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DORGBR( 'Q', -1, 0, 0, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORGBR( 'Q', 0, -1, 0, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORGBR( 'Q', 0, 1, 0, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORGBR( 'Q', 1, 0, 1, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORGBR( 'P', 1, 0, 0, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORGBR( 'P', 0, 1, 1, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DORGBR( 'Q', 0, 0, -1, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DORGBR( 'Q', 2, 1, 1, A, 1, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DORGBR( 'Q', 2, 2, 1, A, 2, TQ, W, 1, INFO )
CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK )
NT = NT + 10
*
* DORMBR
*
SRNAMT = 'DORMBR'
INFOT = 1
CALL DORMBR( '/', 'L', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DORMBR( 'Q', '/', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORMBR( 'Q', 'L', '/', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DORMBR( 'Q', 'L', 'T', -1, 0, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DORMBR( 'Q', 'L', 'T', 0, -1, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DORMBR( 'Q', 'L', 'T', 0, 0, -1, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DORMBR( 'Q', 'L', 'T', 2, 0, 0, A, 1, TQ, U, 2, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DORMBR( 'Q', 'R', 'T', 0, 2, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DORMBR( 'P', 'L', 'T', 2, 0, 2, A, 1, TQ, U, 2, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DORMBR( 'P', 'R', 'T', 0, 2, 2, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DORMBR( 'Q', 'R', 'T', 2, 0, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL DORMBR( 'Q', 'L', 'T', 0, 2, 0, A, 1, TQ, U, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL DORMBR( 'Q', 'R', 'T', 2, 0, 0, A, 1, TQ, U, 2, W, 1,
$ INFO )
CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK )
NT = NT + 13
*
* DBDSQR
*
SRNAMT = 'DBDSQR'
INFOT = 1
CALL DBDSQR( '/', 0, 0, 0, 0, D, E, V, 1, U, 1, A, 1, W, INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DBDSQR( 'U', -1, 0, 0, 0, D, E, V, 1, U, 1, A, 1, W,
$ INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DBDSQR( 'U', 0, -1, 0, 0, D, E, V, 1, U, 1, A, 1, W,
$ INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DBDSQR( 'U', 0, 0, -1, 0, D, E, V, 1, U, 1, A, 1, W,
$ INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DBDSQR( 'U', 0, 0, 0, -1, D, E, V, 1, U, 1, A, 1, W,
$ INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DBDSQR( 'U', 2, 1, 0, 0, D, E, V, 1, U, 1, A, 1, W, INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DBDSQR( 'U', 0, 0, 2, 0, D, E, V, 1, U, 1, A, 1, W, INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL DBDSQR( 'U', 2, 0, 0, 1, D, E, V, 1, U, 1, A, 1, W, INFO )
CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK )
NT = NT + 8
*
* DBDSDC
*
SRNAMT = 'DBDSDC'
INFOT = 1
CALL DBDSDC( '/', 'N', 0, D, E, U, 1, V, 1, Q, IQ, W, IW,
$ INFO )
CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DBDSDC( 'U', '/', 0, D, E, U, 1, V, 1, Q, IQ, W, IW,
$ INFO )
CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DBDSDC( 'U', 'N', -1, D, E, U, 1, V, 1, Q, IQ, W, IW,
$ INFO )
CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DBDSDC( 'U', 'I', 2, D, E, U, 1, V, 1, Q, IQ, W, IW,
$ INFO )
CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DBDSDC( 'U', 'I', 2, D, E, U, 2, V, 1, Q, IQ, W, IW,
$ INFO )
CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK )
NT = NT + 5
*
* DBDSVDX
*
SRNAMT = 'DBDSVDX'
INFOT = 1
CALL DBDSVDX( 'X', 'N', 'A', 1, D, E, ZERO, ONE, 0, 0,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DBDSVDX( 'U', 'X', 'A', 1, D, E, ZERO, ONE, 0, 0,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DBDSVDX( 'U', 'V', 'X', 1, D, E, ZERO, ONE, 0, 0,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DBDSVDX( 'U', 'V', 'A', -1, D, E, ZERO, ONE, 0, 0,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DBDSVDX( 'U', 'V', 'V', 2, D, E, -ONE, ZERO, 0, 0,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DBDSVDX( 'U', 'V', 'V', 2, D, E, ONE, ZERO, 0, 0,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DBDSVDX( 'L', 'V', 'I', 2, D, E, ZERO, ZERO, 0, 2,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 5, 2,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 3, 2,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 3, 5,
$ NS, S, Q, 1, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 14
CALL DBDSVDX( 'L', 'V', 'A', 4, D, E, ZERO, ZERO, 0, 0,
$ NS, S, Q, 0, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
INFOT = 14
CALL DBDSVDX( 'L', 'V', 'A', 4, D, E, ZERO, ZERO, 0, 0,
$ NS, S, Q, 2, W, IW, INFO)
CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK )
NT = NT + 12
END IF
*
* Print a summary line.
*
IF( OK ) THEN
WRITE( NOUT, FMT = 9999 )PATH, NT
ELSE
WRITE( NOUT, FMT = 9998 )PATH
END IF
*
9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits',
$ ' (', I3, ' tests done)' )
9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ',
$ 'exits ***' )
*
RETURN
*
* End of DERRBD
*
END