377 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			377 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Fortran
		
	
	
	
| *> \brief \b SERRBD
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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 SERRBD( 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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| *> SERRBD tests the error exits for SGEBD2, SGEBRD, SORGBR, SORMBR,
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| *> SBDSQR, SBDSDC and SBDSVDX.
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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 single_eig
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| *
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| *  =====================================================================
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|       SUBROUTINE SERRBD( 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, LW
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|       PARAMETER          ( NMAX = 4, LW = NMAX )
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|       REAL               ZERO, ONE
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|       PARAMETER          ( ZERO = 0.0E0, ONE = 1.0E0 )
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| *     ..
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| *     .. Local Scalars ..
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|       CHARACTER*2        C2
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|       INTEGER            I, INFO, J, NS, NT
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| *     ..
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| *     .. Local Arrays ..
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|       INTEGER            IQ( NMAX, NMAX ), IW( NMAX )
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|       REAL               A( NMAX, NMAX ), D( NMAX ), E( NMAX ),
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|      $                   Q( NMAX, NMAX ), S( NMAX ), TP( NMAX ),
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|      $                   TQ( NMAX ), U( NMAX, NMAX ),
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|      $                   V( NMAX, NMAX ), W( LW )
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| *     ..
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| *     .. External Functions ..
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|       LOGICAL            LSAMEN
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|       EXTERNAL           LSAMEN
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| *     ..
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| *     .. External Subroutines ..
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|       EXTERNAL           CHKXER, SBDSDC, SBDSQR, SBDSVDX, SGEBD2,
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|      $                   SGEBRD, SORGBR, SORMBR
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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
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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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| *     ..
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| *     .. Intrinsic Functions ..
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|       INTRINSIC          REAL
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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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| *     Set the variables to innocuous values.
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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 ) = 1.D0 / REAL( I+J )
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|    10    CONTINUE
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|    20 CONTINUE
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|       OK = .TRUE.
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|       NT = 0
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| *
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| *     Test error exits of the SVD routines.
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| *
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|       IF( LSAMEN( 2, C2, 'BD' ) ) THEN
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| *
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| *        SGEBRD
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| *
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|          SRNAMT = 'SGEBRD'
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|          INFOT = 1
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|          CALL SGEBRD( -1, 0, A, 1, D, E, TQ, TP, W, 1, INFO )
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|          CALL CHKXER( 'SGEBRD', INFOT, NOUT, LERR, OK )
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|          INFOT = 2
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|          CALL SGEBRD( 0, -1, A, 1, D, E, TQ, TP, W, 1, INFO )
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|          CALL CHKXER( 'SGEBRD', INFOT, NOUT, LERR, OK )
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|          INFOT = 4
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|          CALL SGEBRD( 2, 1, A, 1, D, E, TQ, TP, W, 2, INFO )
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|          CALL CHKXER( 'SGEBRD', INFOT, NOUT, LERR, OK )
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|          INFOT = 10
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|          CALL SGEBRD( 2, 1, A, 2, D, E, TQ, TP, W, 1, INFO )
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|          CALL CHKXER( 'SGEBRD', INFOT, NOUT, LERR, OK )
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|          NT = NT + 4
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| *
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| *        SGEBD2
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| *
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|          SRNAMT = 'SGEBD2'
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|          INFOT = 1
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|          CALL SGEBD2( -1, 0, A, 1, D, E, TQ, TP, W, INFO )
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|          CALL CHKXER( 'SGEBD2', INFOT, NOUT, LERR, OK )
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|          INFOT = 2
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|          CALL SGEBD2( 0, -1, A, 1, D, E, TQ, TP, W, INFO )
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|          CALL CHKXER( 'SGEBD2', INFOT, NOUT, LERR, OK )
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|          INFOT = 4
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|          CALL SGEBD2( 2, 1, A, 1, D, E, TQ, TP, W, INFO )
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|          CALL CHKXER( 'SGEBD2', INFOT, NOUT, LERR, OK )
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|          NT = NT + 3
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| *
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| *        SORGBR
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| *
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|          SRNAMT = 'SORGBR'
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|          INFOT = 1
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|          CALL SORGBR( '/', 0, 0, 0, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 2
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|          CALL SORGBR( 'Q', -1, 0, 0, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SORGBR( 'Q', 0, -1, 0, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SORGBR( 'Q', 0, 1, 0, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SORGBR( 'Q', 1, 0, 1, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SORGBR( 'P', 1, 0, 0, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SORGBR( 'P', 0, 1, 1, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 4
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|          CALL SORGBR( 'Q', 0, 0, -1, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 6
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|          CALL SORGBR( 'Q', 2, 1, 1, A, 1, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 9
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|          CALL SORGBR( 'Q', 2, 2, 1, A, 2, TQ, W, 1, INFO )
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|          CALL CHKXER( 'SORGBR', INFOT, NOUT, LERR, OK )
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|          NT = NT + 10
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| *
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| *        SORMBR
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| *
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|          SRNAMT = 'SORMBR'
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|          INFOT = 1
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|          CALL SORMBR( '/', 'L', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 2
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|          CALL SORMBR( 'Q', '/', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SORMBR( 'Q', 'L', '/', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 4
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|          CALL SORMBR( 'Q', 'L', 'T', -1, 0, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 5
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|          CALL SORMBR( 'Q', 'L', 'T', 0, -1, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 6
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|          CALL SORMBR( 'Q', 'L', 'T', 0, 0, -1, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 8
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|          CALL SORMBR( 'Q', 'L', 'T', 2, 0, 0, A, 1, TQ, U, 2, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 8
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|          CALL SORMBR( 'Q', 'R', 'T', 0, 2, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 8
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|          CALL SORMBR( 'P', 'L', 'T', 2, 0, 2, A, 1, TQ, U, 2, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 8
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|          CALL SORMBR( 'P', 'R', 'T', 0, 2, 2, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 11
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|          CALL SORMBR( 'Q', 'R', 'T', 2, 0, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 13
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|          CALL SORMBR( 'Q', 'L', 'T', 0, 2, 0, A, 1, TQ, U, 1, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          INFOT = 13
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|          CALL SORMBR( 'Q', 'R', 'T', 2, 0, 0, A, 1, TQ, U, 2, W, 1,
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|      $                INFO )
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|          CALL CHKXER( 'SORMBR', INFOT, NOUT, LERR, OK )
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|          NT = NT + 13
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| *
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| *        SBDSQR
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| *
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|          SRNAMT = 'SBDSQR'
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|          INFOT = 1
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|          CALL SBDSQR( '/', 0, 0, 0, 0, D, E, V, 1, U, 1, A, 1, W, INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          INFOT = 2
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|          CALL SBDSQR( 'U', -1, 0, 0, 0, D, E, V, 1, U, 1, A, 1, W,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SBDSQR( 'U', 0, -1, 0, 0, D, E, V, 1, U, 1, A, 1, W,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          INFOT = 4
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|          CALL SBDSQR( 'U', 0, 0, -1, 0, D, E, V, 1, U, 1, A, 1, W,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          INFOT = 5
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|          CALL SBDSQR( 'U', 0, 0, 0, -1, D, E, V, 1, U, 1, A, 1, W,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          INFOT = 9
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|          CALL SBDSQR( 'U', 2, 1, 0, 0, D, E, V, 1, U, 1, A, 1, W, INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          INFOT = 11
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|          CALL SBDSQR( 'U', 0, 0, 2, 0, D, E, V, 1, U, 1, A, 1, W, INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          INFOT = 13
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|          CALL SBDSQR( 'U', 2, 0, 0, 1, D, E, V, 1, U, 1, A, 1, W, INFO )
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|          CALL CHKXER( 'SBDSQR', INFOT, NOUT, LERR, OK )
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|          NT = NT + 8
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| *
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| *        SBDSDC
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| *
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|          SRNAMT = 'SBDSDC'
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|          INFOT = 1
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|          CALL SBDSDC( '/', 'N', 0, D, E, U, 1, V, 1, Q, IQ, W, IW,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSDC', INFOT, NOUT, LERR, OK )
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|          INFOT = 2
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|          CALL SBDSDC( 'U', '/', 0, D, E, U, 1, V, 1, Q, IQ, W, IW,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSDC', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SBDSDC( 'U', 'N', -1, D, E, U, 1, V, 1, Q, IQ, W, IW,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSDC', INFOT, NOUT, LERR, OK )
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|          INFOT = 7
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|          CALL SBDSDC( 'U', 'I', 2, D, E, U, 1, V, 1, Q, IQ, W, IW,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSDC', INFOT, NOUT, LERR, OK )
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|          INFOT = 9
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|          CALL SBDSDC( 'U', 'I', 2, D, E, U, 2, V, 1, Q, IQ, W, IW,
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|      $                INFO )
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|          CALL CHKXER( 'SBDSDC', INFOT, NOUT, LERR, OK )
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|          NT = NT + 5
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| *
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| *        SBDSVDX
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| *
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|          SRNAMT = 'SBDSVDX'
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|          INFOT = 1
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|          CALL SBDSVDX( 'X', 'N', 'A', 1, D, E, ZERO, ONE, 0, 0,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 2
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|          CALL SBDSVDX( 'U', 'X', 'A', 1, D, E, ZERO, ONE, 0, 0,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 3
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|          CALL SBDSVDX( 'U', 'V', 'X', 1, D, E, ZERO, ONE, 0, 0,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 4
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|          CALL SBDSVDX( 'U', 'V', 'A', -1, D, E, ZERO, ONE, 0, 0,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 7
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|          CALL SBDSVDX( 'U', 'V', 'V', 2, D, E, -ONE, ZERO, 0, 0,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 8
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|          CALL SBDSVDX( 'U', 'V', 'V', 2, D, E, ONE, ZERO, 0, 0,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 9
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|          CALL SBDSVDX( 'L', 'V', 'I', 2, D, E, ZERO, ZERO, 0, 2,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 9
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|          CALL SBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 5, 2,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 10
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|          CALL SBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 3, 2,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 10
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|          CALL SBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 3, 5,
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|      $                    NS, S, Q, 1, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 14
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|          CALL SBDSVDX( 'L', 'V', 'A', 4, D, E, ZERO, ZERO, 0, 0,
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|      $                    NS, S, Q, 0, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          INFOT = 14
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|          CALL SBDSVDX( 'L', 'V', 'A', 4, D, E, ZERO, ZERO, 0, 0,
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|      $                    NS, S, Q, 2, W, IW, INFO)
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|          CALL CHKXER( 'SBDSVDX', INFOT, NOUT, LERR, OK )
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|          NT = NT + 12
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|       END IF
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| *
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| *     Print a summary line.
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| *
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|       IF( OK ) THEN
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|          WRITE( NOUT, FMT = 9999 )PATH, NT
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|       ELSE
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|          WRITE( NOUT, FMT = 9998 )PATH
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|       END IF
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| *
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|  9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits',
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|      $      ' (', I3, ' tests done)' )
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|  9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ',
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|      $      'exits ***' )
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| *
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|       RETURN
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| *
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| *     End of SERRBD
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| *
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|       END
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