testdata/lapack/TESTING/EIG/derrhs.f
*> \brief \b DERRHS
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE DERRHS( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> DERRHS tests the error exits for DGEBAK, SGEBAL, SGEHRD, DORGHR,
*> DORMHR, DHSEQR, SHSEIN, and DTREVC.
*> \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 December 2016
*
*> \ingroup double_eig
*
* =====================================================================
SUBROUTINE DERRHS( 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..--
* December 2016
*
* .. Scalar Arguments ..
CHARACTER*3 PATH
INTEGER NUNIT
* ..
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX, LW
PARAMETER ( NMAX = 3, LW = ( NMAX+2 )*( NMAX+2 )+NMAX )
* ..
* .. Local Scalars ..
CHARACTER*2 C2
INTEGER I, IHI, ILO, INFO, J, M, NT
* ..
* .. Local Arrays ..
LOGICAL SEL( NMAX )
INTEGER IFAILL( NMAX ), IFAILR( NMAX )
DOUBLE PRECISION A( NMAX, NMAX ), C( NMAX, NMAX ), S( NMAX ),
$ TAU( NMAX ), VL( NMAX, NMAX ),
$ VR( NMAX, NMAX ), W( LW ), WI( NMAX ),
$ WR( NMAX )
* ..
* .. External Functions ..
LOGICAL LSAMEN
EXTERNAL LSAMEN
* ..
* .. External Subroutines ..
EXTERNAL CHKXER, DGEBAK, DGEBAL, DGEHRD, DHSEIN, DHSEQR,
$ DORGHR, DORMHR, DTREVC
* ..
* .. Intrinsic Functions ..
INTRINSIC DBLE
* ..
* .. 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 )
*
* 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
WI( J ) = DBLE( J )
SEL( J ) = .TRUE.
20 CONTINUE
OK = .TRUE.
NT = 0
*
* Test error exits of the nonsymmetric eigenvalue routines.
*
IF( LSAMEN( 2, C2, 'HS' ) ) THEN
*
* DGEBAL
*
SRNAMT = 'DGEBAL'
INFOT = 1
CALL DGEBAL( '/', 0, A, 1, ILO, IHI, S, INFO )
CALL CHKXER( 'DGEBAL', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DGEBAL( 'N', -1, A, 1, ILO, IHI, S, INFO )
CALL CHKXER( 'DGEBAL', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DGEBAL( 'N', 2, A, 1, ILO, IHI, S, INFO )
CALL CHKXER( 'DGEBAL', INFOT, NOUT, LERR, OK )
NT = NT + 3
*
* DGEBAK
*
SRNAMT = 'DGEBAK'
INFOT = 1
CALL DGEBAK( '/', 'R', 0, 1, 0, S, 0, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DGEBAK( 'N', '/', 0, 1, 0, S, 0, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DGEBAK( 'N', 'R', -1, 1, 0, S, 0, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DGEBAK( 'N', 'R', 0, 0, 0, S, 0, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DGEBAK( 'N', 'R', 0, 2, 0, S, 0, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DGEBAK( 'N', 'R', 2, 2, 1, S, 0, A, 2, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DGEBAK( 'N', 'R', 0, 1, 1, S, 0, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DGEBAK( 'N', 'R', 0, 1, 0, S, -1, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL DGEBAK( 'N', 'R', 2, 1, 2, S, 0, A, 1, INFO )
CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK )
NT = NT + 9
*
* DGEHRD
*
SRNAMT = 'DGEHRD'
INFOT = 1
CALL DGEHRD( -1, 1, 1, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DGEHRD( 0, 0, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DGEHRD( 0, 2, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DGEHRD( 1, 1, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DGEHRD( 0, 1, 1, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DGEHRD( 2, 1, 1, A, 1, TAU, W, 2, INFO )
CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DGEHRD( 2, 1, 2, A, 2, TAU, W, 1, INFO )
CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK )
NT = NT + 7
*
* DORGHR
*
SRNAMT = 'DORGHR'
INFOT = 1
CALL DORGHR( -1, 1, 1, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DORGHR( 0, 0, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DORGHR( 0, 2, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORGHR( 1, 1, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORGHR( 0, 1, 1, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DORGHR( 2, 1, 1, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DORGHR( 3, 1, 3, A, 3, TAU, W, 1, INFO )
CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK )
NT = NT + 7
*
* DORMHR
*
SRNAMT = 'DORMHR'
INFOT = 1
CALL DORMHR( '/', 'N', 0, 0, 1, 0, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DORMHR( 'L', '/', 0, 0, 1, 0, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DORMHR( 'L', 'N', -1, 0, 1, 0, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DORMHR( 'L', 'N', 0, -1, 1, 0, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DORMHR( 'L', 'N', 0, 0, 0, 0, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DORMHR( 'L', 'N', 0, 0, 2, 0, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DORMHR( 'L', 'N', 1, 2, 2, 1, A, 1, TAU, C, 1, W, 2,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DORMHR( 'R', 'N', 2, 1, 2, 1, A, 1, TAU, C, 2, W, 2,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DORMHR( 'L', 'N', 1, 1, 1, 0, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DORMHR( 'L', 'N', 0, 1, 1, 1, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DORMHR( 'R', 'N', 1, 0, 1, 1, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DORMHR( 'L', 'N', 2, 1, 1, 1, A, 1, TAU, C, 2, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DORMHR( 'R', 'N', 1, 2, 1, 1, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DORMHR( 'L', 'N', 2, 1, 1, 1, A, 2, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL DORMHR( 'L', 'N', 1, 2, 1, 1, A, 1, TAU, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL DORMHR( 'R', 'N', 2, 1, 1, 1, A, 1, TAU, C, 2, W, 1,
$ INFO )
CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK )
NT = NT + 16
*
* DHSEQR
*
SRNAMT = 'DHSEQR'
INFOT = 1
CALL DHSEQR( '/', 'N', 0, 1, 0, A, 1, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DHSEQR( 'E', '/', 0, 1, 0, A, 1, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DHSEQR( 'E', 'N', -1, 1, 0, A, 1, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DHSEQR( 'E', 'N', 0, 0, 0, A, 1, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DHSEQR( 'E', 'N', 0, 2, 0, A, 1, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DHSEQR( 'E', 'N', 1, 1, 0, A, 1, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DHSEQR( 'E', 'N', 1, 1, 2, A, 1, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DHSEQR( 'E', 'N', 2, 1, 2, A, 1, WR, WI, C, 2, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DHSEQR( 'E', 'V', 2, 1, 2, A, 2, WR, WI, C, 1, W, 1,
$ INFO )
CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK )
NT = NT + 9
*
* DHSEIN
*
SRNAMT = 'DHSEIN'
INFOT = 1
CALL DHSEIN( '/', 'N', 'N', SEL, 0, A, 1, WR, WI, VL, 1, VR, 1,
$ 0, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DHSEIN( 'R', '/', 'N', SEL, 0, A, 1, WR, WI, VL, 1, VR, 1,
$ 0, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL DHSEIN( 'R', 'N', '/', SEL, 0, A, 1, WR, WI, VL, 1, VR, 1,
$ 0, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL DHSEIN( 'R', 'N', 'N', SEL, -1, A, 1, WR, WI, VL, 1, VR,
$ 1, 0, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL DHSEIN( 'R', 'N', 'N', SEL, 2, A, 1, WR, WI, VL, 1, VR, 2,
$ 4, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DHSEIN( 'L', 'N', 'N', SEL, 2, A, 2, WR, WI, VL, 1, VR, 1,
$ 4, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL DHSEIN( 'R', 'N', 'N', SEL, 2, A, 2, WR, WI, VL, 1, VR, 1,
$ 4, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
INFOT = 14
CALL DHSEIN( 'R', 'N', 'N', SEL, 2, A, 2, WR, WI, VL, 1, VR, 2,
$ 1, M, W, IFAILL, IFAILR, INFO )
CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK )
NT = NT + 8
*
* DTREVC
*
SRNAMT = 'DTREVC'
INFOT = 1
CALL DTREVC( '/', 'A', SEL, 0, A, 1, VL, 1, VR, 1, 0, M, W,
$ INFO )
CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL DTREVC( 'L', '/', SEL, 0, A, 1, VL, 1, VR, 1, 0, M, W,
$ INFO )
CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL DTREVC( 'L', 'A', SEL, -1, A, 1, VL, 1, VR, 1, 0, M, W,
$ INFO )
CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL DTREVC( 'L', 'A', SEL, 2, A, 1, VL, 2, VR, 1, 4, M, W,
$ INFO )
CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL DTREVC( 'L', 'A', SEL, 2, A, 2, VL, 1, VR, 1, 4, M, W,
$ INFO )
CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL DTREVC( 'R', 'A', SEL, 2, A, 2, VL, 1, VR, 1, 4, M, W,
$ INFO )
CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL DTREVC( 'L', 'A', SEL, 2, A, 2, VL, 2, VR, 1, 1, M, W,
$ INFO )
CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK )
NT = NT + 7
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 DERRHS
*
END