563 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			563 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			Fortran
		
	
	
	
*> \brief \b DERRED
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*
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*  =========== DOCUMENTATION ===========
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*
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* Online html documentation available at
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*            http://www.netlib.org/lapack/explore-html/
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*
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*  Definition:
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*  ===========
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*
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*       SUBROUTINE DERRED( PATH, NUNIT )
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*
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*       .. Scalar Arguments ..
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*       CHARACTER*3        PATH
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*       INTEGER            NUNIT
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*       ..
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*
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*
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*> \par Purpose:
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*  =============
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*>
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*> \verbatim
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*>
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*> DERRED tests the error exits for the eigenvalue driver routines for
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*> DOUBLE PRECISION matrices:
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*>
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*> PATH  driver   description
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*> ----  ------   -----------
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*> SEV   DGEEV    find eigenvalues/eigenvectors for nonsymmetric A
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*> SES   DGEES    find eigenvalues/Schur form for nonsymmetric A
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*> SVX   DGEEVX   SGEEV + balancing and condition estimation
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*> SSX   DGEESX   SGEES + balancing and condition estimation
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*> DBD   DGESVD   compute SVD of an M-by-N matrix A
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*>       DGESDD   compute SVD of an M-by-N matrix A (by divide and
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*>                conquer)
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*>       DGEJSV   compute SVD of an M-by-N matrix A where M >= N
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*>       DGESVDX  compute SVD of an M-by-N matrix A(by bisection
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*>                and inverse iteration)
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*>       DGESVDQ  compute SVD of an M-by-N matrix A(with a 
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*>                QR-Preconditioned )
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*> \endverbatim
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*
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*  Arguments:
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*  ==========
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*
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*> \param[in] PATH
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*> \verbatim
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*>          PATH is CHARACTER*3
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*>          The LAPACK path name for the routines to be tested.
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*> \endverbatim
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*>
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*> \param[in] NUNIT
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*> \verbatim
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*>          NUNIT is INTEGER
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*>          The unit number for output.
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*> \endverbatim
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*
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*  Authors:
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*  ========
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*
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*> \author Univ. of Tennessee
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*> \author Univ. of California Berkeley
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*> \author Univ. of Colorado Denver
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*> \author NAG Ltd.
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*
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*> \ingroup double_eig
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*
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*  =====================================================================
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      SUBROUTINE DERRED( PATH, NUNIT )
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*
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*  -- LAPACK test routine --
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*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
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*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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*
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*     .. Scalar Arguments ..
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      CHARACTER*3        PATH
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      INTEGER            NUNIT
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*     ..
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*
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*  =====================================================================
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*
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*     .. Parameters ..
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      INTEGER            NMAX
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      DOUBLE PRECISION   ONE, ZERO
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      PARAMETER          ( NMAX = 4, ONE = 1.0D0, ZERO = 0.0D0 )
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*     ..
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*     .. Local Scalars ..
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      CHARACTER*2        C2
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      INTEGER            I, IHI, ILO, INFO, J, NS, NT, SDIM
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      DOUBLE PRECISION   ABNRM
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*     ..
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*     .. Local Arrays ..
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      LOGICAL            B( NMAX )
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      INTEGER            IW( 2*NMAX )
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      DOUBLE PRECISION   A( NMAX, NMAX ), R1( NMAX ), R2( NMAX ),
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     $                   S( NMAX ), U( NMAX, NMAX ), VL( NMAX, NMAX ),
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     $                   VR( NMAX, NMAX ), VT( NMAX, NMAX ),
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     $                   W( 10*NMAX ), WI( NMAX ), WR( NMAX )
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*     ..
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*     .. External Subroutines ..
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      EXTERNAL           CHKXER, DGEES, DGEESX, DGEEV, DGEEVX, DGEJSV,
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     $                   DGESDD, DGESVD, DGESVDX, DGESVDQ
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*     ..
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*     .. External Functions ..
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      LOGICAL            DSLECT, LSAMEN
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      EXTERNAL           DSLECT, LSAMEN
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*     ..
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*     .. Intrinsic Functions ..
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      INTRINSIC          LEN_TRIM
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*     ..
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*     .. Arrays in Common ..
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      LOGICAL            SELVAL( 20 )
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      DOUBLE PRECISION   SELWI( 20 ), SELWR( 20 )
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*     ..
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*     .. Scalars in Common ..
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      LOGICAL            LERR, OK
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      CHARACTER*32       SRNAMT
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      INTEGER            INFOT, NOUT, SELDIM, SELOPT
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*     ..
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*     .. Common blocks ..
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      COMMON             / INFOC / INFOT, NOUT, OK, LERR
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      COMMON             / SRNAMC / SRNAMT
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      COMMON             / SSLCT / SELOPT, SELDIM, SELVAL, SELWR, SELWI
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*     ..
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*     .. Executable Statements ..
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*
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      NOUT = NUNIT
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      WRITE( NOUT, FMT = * )
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      C2 = PATH( 2: 3 )
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*
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*     Initialize A
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*
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      DO 20 J = 1, NMAX
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         DO 10 I = 1, NMAX
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            A( I, J ) = ZERO
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   10    CONTINUE
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   20 CONTINUE
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      DO 30 I = 1, NMAX
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         A( I, I ) = ONE
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   30 CONTINUE
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      OK = .TRUE.
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      NT = 0
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*
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      IF( LSAMEN( 2, C2, 'EV' ) ) THEN
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*
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*        Test DGEEV
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*
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         SRNAMT = 'DGEEV '
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         INFOT = 1
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         CALL DGEEV( 'X', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1, W, 1,
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     $               INFO )
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         CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DGEEV( 'N', 'X', 0, A, 1, WR, WI, VL, 1, VR, 1, W, 1,
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     $               INFO )
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         CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DGEEV( 'N', 'N', -1, A, 1, WR, WI, VL, 1, VR, 1, W, 1,
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     $               INFO )
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         CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL DGEEV( 'N', 'N', 2, A, 1, WR, WI, VL, 1, VR, 1, W, 6,
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     $               INFO )
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         CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK )
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         INFOT = 9
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         CALL DGEEV( 'V', 'N', 2, A, 2, WR, WI, VL, 1, VR, 1, W, 8,
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     $               INFO )
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         CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK )
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         INFOT = 11
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         CALL DGEEV( 'N', 'V', 2, A, 2, WR, WI, VL, 1, VR, 1, W, 8,
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     $               INFO )
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         CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK )
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         INFOT = 13
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         CALL DGEEV( 'V', 'V', 1, A, 1, WR, WI, VL, 1, VR, 1, W, 3,
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     $               INFO )
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         CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK )
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         NT = NT + 7
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*
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      ELSE IF( LSAMEN( 2, C2, 'ES' ) ) THEN
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*
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*        Test DGEES
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*
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         SRNAMT = 'DGEES '
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         INFOT = 1
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         CALL DGEES( 'X', 'N', DSLECT, 0, A, 1, SDIM, WR, WI, VL, 1, W,
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     $               1, B, INFO )
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         CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DGEES( 'N', 'X', DSLECT, 0, A, 1, SDIM, WR, WI, VL, 1, W,
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     $               1, B, INFO )
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         CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DGEES( 'N', 'S', DSLECT, -1, A, 1, SDIM, WR, WI, VL, 1, W,
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     $               1, B, INFO )
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         CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK )
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         INFOT = 6
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         CALL DGEES( 'N', 'S', DSLECT, 2, A, 1, SDIM, WR, WI, VL, 1, W,
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     $               6, B, INFO )
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         CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK )
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         INFOT = 11
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         CALL DGEES( 'V', 'S', DSLECT, 2, A, 2, SDIM, WR, WI, VL, 1, W,
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     $               6, B, INFO )
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         CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK )
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         INFOT = 13
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         CALL DGEES( 'N', 'S', DSLECT, 1, A, 1, SDIM, WR, WI, VL, 1, W,
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     $               2, B, INFO )
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         CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK )
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         NT = NT + 6
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*
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      ELSE IF( LSAMEN( 2, C2, 'VX' ) ) THEN
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*
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*        Test DGEEVX
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*
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         SRNAMT = 'DGEEVX'
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         INFOT = 1
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         CALL DGEEVX( 'X', 'N', 'N', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DGEEVX( 'N', 'X', 'N', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DGEEVX( 'N', 'N', 'X', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DGEEVX( 'N', 'N', 'N', 'X', 0, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL DGEEVX( 'N', 'N', 'N', 'N', -1, A, 1, WR, WI, VL, 1, VR,
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     $                1, ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL DGEEVX( 'N', 'N', 'N', 'N', 2, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 11
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         CALL DGEEVX( 'N', 'V', 'N', 'N', 2, A, 2, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 6, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 13
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         CALL DGEEVX( 'N', 'N', 'V', 'N', 2, A, 2, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 6, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 21
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         CALL DGEEVX( 'N', 'N', 'N', 'N', 1, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 21
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         CALL DGEEVX( 'N', 'V', 'N', 'N', 1, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 2, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         INFOT = 21
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         CALL DGEEVX( 'N', 'N', 'V', 'V', 1, A, 1, WR, WI, VL, 1, VR, 1,
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     $                ILO, IHI, S, ABNRM, R1, R2, W, 3, IW, INFO )
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         CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK )
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         NT = NT + 11
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*
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      ELSE IF( LSAMEN( 2, C2, 'SX' ) ) THEN
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*
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*        Test DGEESX
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*
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         SRNAMT = 'DGEESX'
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         INFOT = 1
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         CALL DGEESX( 'X', 'N', DSLECT, 'N', 0, A, 1, SDIM, WR, WI, VL,
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     $                1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO )
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         CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DGEESX( 'N', 'X', DSLECT, 'N', 0, A, 1, SDIM, WR, WI, VL,
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     $                1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO )
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         CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DGEESX( 'N', 'N', DSLECT, 'X', 0, A, 1, SDIM, WR, WI, VL,
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     $                1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO )
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         CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL DGEESX( 'N', 'N', DSLECT, 'N', -1, A, 1, SDIM, WR, WI, VL,
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     $                1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO )
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         CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL DGEESX( 'N', 'N', DSLECT, 'N', 2, A, 1, SDIM, WR, WI, VL,
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     $                1, R1( 1 ), R2( 1 ), W, 6, IW, 1, B, INFO )
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         CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK )
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         INFOT = 12
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         CALL DGEESX( 'V', 'N', DSLECT, 'N', 2, A, 2, SDIM, WR, WI, VL,
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     $                1, R1( 1 ), R2( 1 ), W, 6, IW, 1, B, INFO )
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         CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK )
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         INFOT = 16
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         CALL DGEESX( 'N', 'N', DSLECT, 'N', 1, A, 1, SDIM, WR, WI, VL,
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     $                1, R1( 1 ), R2( 1 ), W, 2, IW, 1, B, INFO )
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         CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK )
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         NT = NT + 7
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*
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      ELSE IF( LSAMEN( 2, C2, 'BD' ) ) THEN
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*
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*        Test DGESVD
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*
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         SRNAMT = 'DGESVD'
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         INFOT = 1
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         CALL DGESVD( 'X', 'N', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DGESVD( 'N', 'X', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DGESVD( 'O', 'O', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DGESVD( 'N', 'N', -1, 0, A, 1, S, U, 1, VT, 1, W, 1,
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     $                INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DGESVD( 'N', 'N', 0, -1, A, 1, S, U, 1, VT, 1, W, 1,
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     $                INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         INFOT = 6
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         CALL DGESVD( 'N', 'N', 2, 1, A, 1, S, U, 1, VT, 1, W, 5, INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         INFOT = 9
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         CALL DGESVD( 'A', 'N', 2, 1, A, 2, S, U, 1, VT, 1, W, 5, INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         INFOT = 11
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         CALL DGESVD( 'N', 'A', 1, 2, A, 1, S, U, 1, VT, 1, W, 5, INFO )
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         CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK )
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         NT = 8
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         IF( OK ) THEN
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            WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
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     $           NT
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         ELSE
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            WRITE( NOUT, FMT = 9998 )
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         END IF
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*
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*        Test DGESDD
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*
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         SRNAMT = 'DGESDD'
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         INFOT = 1
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         CALL DGESDD( 'X', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, IW, INFO )
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         CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK )
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         INFOT = 2
 | 
						|
         CALL DGESDD( 'N', -1, 0, A, 1, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL DGESDD( 'N', 0, -1, A, 1, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL DGESDD( 'N', 2, 1, A, 1, S, U, 1, VT, 1, W, 5, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL DGESDD( 'A', 2, 1, A, 2, S, U, 1, VT, 1, W, 5, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 10
 | 
						|
         CALL DGESDD( 'A', 1, 2, A, 1, S, U, 1, VT, 1, W, 5, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK )
 | 
						|
         NT = 6
 | 
						|
         IF( OK ) THEN
 | 
						|
            WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
 | 
						|
     $           NT
 | 
						|
         ELSE
 | 
						|
            WRITE( NOUT, FMT = 9998 )
 | 
						|
         END IF
 | 
						|
*
 | 
						|
*        Test DGEJSV
 | 
						|
*
 | 
						|
         SRNAMT = 'DGEJSV'
 | 
						|
         INFOT = 1
 | 
						|
         CALL DGEJSV( 'X', 'U', 'V', 'R', 'N', 'N',
 | 
						|
     $                 0, 0, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL DGEJSV( 'G', 'X', 'V', 'R', 'N', 'N',
 | 
						|
     $                 0, 0, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL DGEJSV( 'G', 'U', 'X', 'R', 'N', 'N',
 | 
						|
     $                 0, 0, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'X', 'N', 'N',
 | 
						|
     $                 0, 0, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'R', 'X', 'N',
 | 
						|
     $                 0, 0, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'X',
 | 
						|
     $                 0, 0, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 7
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
 | 
						|
     $                 -1, 0, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
 | 
						|
     $                 0, -1, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 10
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
 | 
						|
     $                 2, 1, A, 1, S, U, 1, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 13
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
 | 
						|
     $                 2, 2, A, 2, S, U, 1, VT, 2,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 15
 | 
						|
         CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
 | 
						|
     $                 2, 2, A, 2, S, U, 2, VT, 1,
 | 
						|
     $                 W, 1, IW, INFO)
 | 
						|
         CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK )
 | 
						|
         NT = 11
 | 
						|
         IF( OK ) THEN
 | 
						|
            WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
 | 
						|
     $           NT
 | 
						|
         ELSE
 | 
						|
            WRITE( NOUT, FMT = 9998 )
 | 
						|
         END IF
 | 
						|
*
 | 
						|
*        Test DGESVDX
 | 
						|
*
 | 
						|
         SRNAMT = 'DGESVDX'
 | 
						|
         INFOT = 1
 | 
						|
         CALL DGESVDX( 'X', 'N', 'A', 0, 0, A, 1, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL DGESVDX( 'N', 'X', 'A', 0, 0, A, 1, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL DGESVDX( 'N', 'N', 'X', 0, 0, A, 1, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL DGESVDX( 'N', 'N', 'A', -1, 0, A, 1, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL DGESVDX( 'N', 'N', 'A', 0, -1, A, 1, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 7
 | 
						|
         CALL DGESVDX( 'N', 'N', 'A', 2, 1, A, 1, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL DGESVDX( 'N', 'N', 'V', 2, 1, A, 2, -ONE, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 9
 | 
						|
         CALL DGESVDX( 'N', 'N', 'V', 2, 1, A, 2, ONE, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 10
 | 
						|
         CALL DGESVDX( 'N', 'N', 'I', 2, 2, A, 2, ZERO, ZERO,
 | 
						|
     $                 0, 1, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 11
 | 
						|
         CALL DGESVDX( 'V', 'N', 'I', 2, 2, A, 2, ZERO, ZERO,
 | 
						|
     $                 1, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 15
 | 
						|
         CALL DGESVDX( 'V', 'N', 'A', 2, 2, A, 2, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 17
 | 
						|
         CALL DGESVDX( 'N', 'V', 'A', 2, 2, A, 2, ZERO, ZERO,
 | 
						|
     $                 0, 0, NS, S, U, 1, VT, 1, W, 1, IW, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDX', INFOT, NOUT, LERR, OK )
 | 
						|
         NT = 12
 | 
						|
         IF( OK ) THEN
 | 
						|
            WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
 | 
						|
     $           NT
 | 
						|
         ELSE
 | 
						|
            WRITE( NOUT, FMT = 9998 )
 | 
						|
         END IF
 | 
						|
*
 | 
						|
*        Test DGESVDQ
 | 
						|
*
 | 
						|
         SRNAMT = 'DGESVDQ'
 | 
						|
         INFOT = 1
 | 
						|
         CALL DGESVDQ( 'X', 'P', 'T', 'A', 'A', 0, 0, A, 1, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL DGESVDQ( 'A', 'X', 'T', 'A', 'A', 0, 0, A, 1, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'X', 'A', 'A', 0, 0, A, 1, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'X', 'A', 0, 0, A, 1, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'A', 'X', 0, 0, A, 1, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'A', 'A', -1, 0, A, 1, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 7
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'A', 'A', 0, 1, A, 1, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 9
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'A', 'A', 1, 1, A, 0, S, U,
 | 
						|
     $                 0, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 12
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'A', 'A', 1, 1, A, 1, S, U,
 | 
						|
     $                 -1, VT, 0, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 14
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'A', 'A', 1, 1, A, 1, S, U,
 | 
						|
     $                 1, VT, -1, NS, IW, 1, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 17
 | 
						|
         CALL DGESVDQ( 'A', 'P', 'T', 'A', 'A', 1, 1, A, 1, S, U,
 | 
						|
     $                 1, VT, 1, NS, IW, -5, W, 1, W, 1, INFO )
 | 
						|
         CALL CHKXER( 'DGESVDQ', INFOT, NOUT, LERR, OK )
 | 
						|
         NT = 11
 | 
						|
         IF( OK ) THEN
 | 
						|
            WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
 | 
						|
     $           NT
 | 
						|
         ELSE
 | 
						|
            WRITE( NOUT, FMT = 9998 )
 | 
						|
         END IF
 | 
						|
      END IF
 | 
						|
*
 | 
						|
*     Print a summary line.
 | 
						|
*
 | 
						|
      IF( .NOT.LSAMEN( 2, C2, 'BD' ) ) THEN
 | 
						|
         IF( OK ) THEN
 | 
						|
            WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
 | 
						|
     $           NT
 | 
						|
         ELSE
 | 
						|
            WRITE( NOUT, FMT = 9998 )
 | 
						|
         END IF
 | 
						|
      END IF
 | 
						|
*
 | 
						|
 9999 FORMAT( 1X, A, ' passed the tests of the error exits (', I3,
 | 
						|
     $      ' tests done)' )
 | 
						|
 9998 FORMAT( ' *** ', A, ' failed the tests of the error exits ***' )
 | 
						|
      RETURN
 | 
						|
*
 | 
						|
*     End of DERRED
 | 
						|
      END
 |