468 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			468 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Fortran
		
	
	
	
*> \brief \b DERRPO
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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 DERRPO( 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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*> DERRPO tests the error exits for the DOUBLE PRECISION routines
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*> for symmetric positive definite matrices.
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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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*> \date November 2011
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*
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*> \ingroup double_lin
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*
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*  =====================================================================
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      SUBROUTINE DERRPO( PATH, NUNIT )
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*
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*  -- LAPACK test routine (version 3.4.0) --
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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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*     November 2011
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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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      PARAMETER          ( NMAX = 4 )
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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
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      DOUBLE PRECISION   ANRM, RCOND
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*     ..
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*     .. Local Arrays ..
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      INTEGER            IW( NMAX )
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      DOUBLE PRECISION   A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
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     $                   R1( NMAX ), R2( NMAX ), W( 3*NMAX ), X( NMAX )
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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           ALAESM, CHKXER, DPBCON, DPBEQU, DPBRFS, DPBTF2,
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     $                   DPBTRF, DPBTRS, DPOCON, DPOEQU, DPORFS, DPOTF2,
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     $                   DPOTRF, DPOTRI, DPOTRS, DPPCON, DPPEQU, DPPRFS,
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     $                   DPPTRF, DPPTRI, DPPTRS
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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          DBLE
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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 / DBLE( I+J )
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            AF( I, J ) = 1.D0 / DBLE( I+J )
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   10    CONTINUE
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         B( J ) = 0.D0
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         R1( J ) = 0.D0
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         R2( J ) = 0.D0
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         W( J ) = 0.D0
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         X( J ) = 0.D0
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         IW( J ) = J
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   20 CONTINUE
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      OK = .TRUE.
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*
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      IF( LSAMEN( 2, C2, 'PO' ) ) THEN
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*
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*        Test error exits of the routines that use the Cholesky
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*        decomposition of a symmetric positive definite matrix.
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*
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*        DPOTRF
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*
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         SRNAMT = 'DPOTRF'
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         INFOT = 1
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         CALL DPOTRF( '/', 0, A, 1, INFO )
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         CALL CHKXER( 'DPOTRF', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPOTRF( 'U', -1, A, 1, INFO )
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         CALL CHKXER( 'DPOTRF', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DPOTRF( 'U', 2, A, 1, INFO )
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         CALL CHKXER( 'DPOTRF', INFOT, NOUT, LERR, OK )
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*
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*        DPOTF2
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*
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         SRNAMT = 'DPOTF2'
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         INFOT = 1
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         CALL DPOTF2( '/', 0, A, 1, INFO )
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         CALL CHKXER( 'DPOTF2', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPOTF2( 'U', -1, A, 1, INFO )
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         CALL CHKXER( 'DPOTF2', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DPOTF2( 'U', 2, A, 1, INFO )
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         CALL CHKXER( 'DPOTF2', INFOT, NOUT, LERR, OK )
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*
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*        DPOTRI
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*
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         SRNAMT = 'DPOTRI'
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         INFOT = 1
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         CALL DPOTRI( '/', 0, A, 1, INFO )
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         CALL CHKXER( 'DPOTRI', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPOTRI( 'U', -1, A, 1, INFO )
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         CALL CHKXER( 'DPOTRI', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DPOTRI( 'U', 2, A, 1, INFO )
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         CALL CHKXER( 'DPOTRI', INFOT, NOUT, LERR, OK )
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*
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*        DPOTRS
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*
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         SRNAMT = 'DPOTRS'
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         INFOT = 1
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         CALL DPOTRS( '/', 0, 0, A, 1, B, 1, INFO )
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         CALL CHKXER( 'DPOTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPOTRS( 'U', -1, 0, A, 1, B, 1, INFO )
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         CALL CHKXER( 'DPOTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPOTRS( 'U', 0, -1, A, 1, B, 1, INFO )
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         CALL CHKXER( 'DPOTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL DPOTRS( 'U', 2, 1, A, 1, B, 2, INFO )
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         CALL CHKXER( 'DPOTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL DPOTRS( 'U', 2, 1, A, 2, B, 1, INFO )
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         CALL CHKXER( 'DPOTRS', INFOT, NOUT, LERR, OK )
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*
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*        DPORFS
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*
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         SRNAMT = 'DPORFS'
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         INFOT = 1
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         CALL DPORFS( '/', 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPORFS', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPORFS( 'U', -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
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     $                IW, INFO )
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         CALL CHKXER( 'DPORFS', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPORFS( 'U', 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
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     $                IW, INFO )
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         CALL CHKXER( 'DPORFS', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL DPORFS( 'U', 2, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPORFS', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL DPORFS( 'U', 2, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPORFS', INFOT, NOUT, LERR, OK )
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         INFOT = 9
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         CALL DPORFS( 'U', 2, 1, A, 2, AF, 2, B, 1, X, 2, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPORFS', INFOT, NOUT, LERR, OK )
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         INFOT = 11
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         CALL DPORFS( 'U', 2, 1, A, 2, AF, 2, B, 2, X, 1, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPORFS', INFOT, NOUT, LERR, OK )
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*
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*        DPOCON
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*
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         SRNAMT = 'DPOCON'
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         INFOT = 1
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         CALL DPOCON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO )
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         CALL CHKXER( 'DPOCON', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPOCON( 'U', -1, A, 1, ANRM, RCOND, W, IW, INFO )
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         CALL CHKXER( 'DPOCON', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL DPOCON( 'U', 2, A, 1, ANRM, RCOND, W, IW, INFO )
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         CALL CHKXER( 'DPOCON', INFOT, NOUT, LERR, OK )
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*
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*        DPOEQU
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*
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         SRNAMT = 'DPOEQU'
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         INFOT = 1
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         CALL DPOEQU( -1, A, 1, R1, RCOND, ANRM, INFO )
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         CALL CHKXER( 'DPOEQU', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPOEQU( 2, A, 1, R1, RCOND, ANRM, INFO )
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         CALL CHKXER( 'DPOEQU', INFOT, NOUT, LERR, OK )
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*
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      ELSE IF( LSAMEN( 2, C2, 'PP' ) ) THEN
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*
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*        Test error exits of the routines that use the Cholesky
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*        decomposition of a symmetric positive definite packed matrix.
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*
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*        DPPTRF
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*
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         SRNAMT = 'DPPTRF'
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         INFOT = 1
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         CALL DPPTRF( '/', 0, A, INFO )
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         CALL CHKXER( 'DPPTRF', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPPTRF( 'U', -1, A, INFO )
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         CALL CHKXER( 'DPPTRF', INFOT, NOUT, LERR, OK )
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*
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*        DPPTRI
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*
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         SRNAMT = 'DPPTRI'
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         INFOT = 1
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         CALL DPPTRI( '/', 0, A, INFO )
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         CALL CHKXER( 'DPPTRI', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPPTRI( 'U', -1, A, INFO )
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         CALL CHKXER( 'DPPTRI', INFOT, NOUT, LERR, OK )
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*
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*        DPPTRS
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*
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         SRNAMT = 'DPPTRS'
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         INFOT = 1
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         CALL DPPTRS( '/', 0, 0, A, B, 1, INFO )
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         CALL CHKXER( 'DPPTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPPTRS( 'U', -1, 0, A, B, 1, INFO )
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         CALL CHKXER( 'DPPTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPPTRS( 'U', 0, -1, A, B, 1, INFO )
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         CALL CHKXER( 'DPPTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 6
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         CALL DPPTRS( 'U', 2, 1, A, B, 1, INFO )
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         CALL CHKXER( 'DPPTRS', INFOT, NOUT, LERR, OK )
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*
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*        DPPRFS
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*
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         SRNAMT = 'DPPRFS'
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         INFOT = 1
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         CALL DPPRFS( '/', 0, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPPRFS', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPPRFS( 'U', -1, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPPRFS', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPPRFS( 'U', 0, -1, A, AF, B, 1, X, 1, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPPRFS', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL DPPRFS( 'U', 2, 1, A, AF, B, 1, X, 2, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPPRFS', INFOT, NOUT, LERR, OK )
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         INFOT = 9
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         CALL DPPRFS( 'U', 2, 1, A, AF, B, 2, X, 1, R1, R2, W, IW,
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     $                INFO )
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         CALL CHKXER( 'DPPRFS', INFOT, NOUT, LERR, OK )
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*
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*        DPPCON
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*
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         SRNAMT = 'DPPCON'
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         INFOT = 1
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         CALL DPPCON( '/', 0, A, ANRM, RCOND, W, IW, INFO )
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         CALL CHKXER( 'DPPCON', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPPCON( 'U', -1, A, ANRM, RCOND, W, IW, INFO )
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         CALL CHKXER( 'DPPCON', INFOT, NOUT, LERR, OK )
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*
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*        DPPEQU
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*
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         SRNAMT = 'DPPEQU'
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         INFOT = 1
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         CALL DPPEQU( '/', 0, A, R1, RCOND, ANRM, INFO )
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         CALL CHKXER( 'DPPEQU', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPPEQU( 'U', -1, A, R1, RCOND, ANRM, INFO )
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         CALL CHKXER( 'DPPEQU', INFOT, NOUT, LERR, OK )
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*
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      ELSE IF( LSAMEN( 2, C2, 'PB' ) ) THEN
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*
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*        Test error exits of the routines that use the Cholesky
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*        decomposition of a symmetric positive definite band matrix.
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*
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*        DPBTRF
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*
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         SRNAMT = 'DPBTRF'
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         INFOT = 1
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         CALL DPBTRF( '/', 0, 0, A, 1, INFO )
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         CALL CHKXER( 'DPBTRF', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPBTRF( 'U', -1, 0, A, 1, INFO )
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         CALL CHKXER( 'DPBTRF', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPBTRF( 'U', 1, -1, A, 1, INFO )
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         CALL CHKXER( 'DPBTRF', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL DPBTRF( 'U', 2, 1, A, 1, INFO )
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         CALL CHKXER( 'DPBTRF', INFOT, NOUT, LERR, OK )
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*
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*        DPBTF2
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*
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         SRNAMT = 'DPBTF2'
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         INFOT = 1
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         CALL DPBTF2( '/', 0, 0, A, 1, INFO )
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         CALL CHKXER( 'DPBTF2', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPBTF2( 'U', -1, 0, A, 1, INFO )
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         CALL CHKXER( 'DPBTF2', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPBTF2( 'U', 1, -1, A, 1, INFO )
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         CALL CHKXER( 'DPBTF2', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL DPBTF2( 'U', 2, 1, A, 1, INFO )
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         CALL CHKXER( 'DPBTF2', INFOT, NOUT, LERR, OK )
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*
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*        DPBTRS
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*
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         SRNAMT = 'DPBTRS'
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         INFOT = 1
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         CALL DPBTRS( '/', 0, 0, 0, A, 1, B, 1, INFO )
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         CALL CHKXER( 'DPBTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL DPBTRS( 'U', -1, 0, 0, A, 1, B, 1, INFO )
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         CALL CHKXER( 'DPBTRS', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL DPBTRS( 'U', 1, -1, 0, A, 1, B, 1, INFO )
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						|
         CALL CHKXER( 'DPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL DPBTRS( 'U', 0, 0, -1, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'DPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL DPBTRS( 'U', 2, 1, 1, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'DPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL DPBTRS( 'U', 2, 0, 1, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'DPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        DPBRFS
 | 
						|
*
 | 
						|
         SRNAMT = 'DPBRFS'
 | 
						|
         INFOT = 1
 | 
						|
         CALL DPBRFS( '/', 0, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL DPBRFS( 'U', -1, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL DPBRFS( 'U', 1, -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL DPBRFS( 'U', 0, 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL DPBRFS( 'U', 2, 1, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL DPBRFS( 'U', 2, 1, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 10
 | 
						|
         CALL DPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 1, X, 2, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 12
 | 
						|
         CALL DPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 2, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        DPBCON
 | 
						|
*
 | 
						|
         SRNAMT = 'DPBCON'
 | 
						|
         INFOT = 1
 | 
						|
         CALL DPBCON( '/', 0, 0, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL DPBCON( 'U', -1, 0, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL DPBCON( 'U', 1, -1, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL DPBCON( 'U', 2, 1, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'DPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        DPBEQU
 | 
						|
*
 | 
						|
         SRNAMT = 'DPBEQU'
 | 
						|
         INFOT = 1
 | 
						|
         CALL DPBEQU( '/', 0, 0, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'DPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL DPBEQU( 'U', -1, 0, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'DPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL DPBEQU( 'U', 1, -1, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'DPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL DPBEQU( 'U', 2, 1, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'DPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
      END IF
 | 
						|
*
 | 
						|
*     Print a summary line.
 | 
						|
*
 | 
						|
      CALL ALAESM( PATH, OK, NOUT )
 | 
						|
*
 | 
						|
      RETURN
 | 
						|
*
 | 
						|
*     End of DERRPO
 | 
						|
*
 | 
						|
      END
 |