331 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			331 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Fortran
		
	
	
	
*> \brief \b SERRQR
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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 SERRQR( 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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*> SERRQR tests the error exits for the REAL routines
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*> that use the QR decomposition of a general matrix.
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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 single_lin
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*
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*  =====================================================================
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      SUBROUTINE SERRQR( 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 = 2 )
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*     ..
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*     .. Local Scalars ..
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      INTEGER            I, INFO, J
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*     ..
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*     .. Local Arrays ..
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      REAL               A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
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     $                   W( NMAX ), X( NMAX )
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*     ..
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*     .. External Subroutines ..
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      EXTERNAL           ALAESM, CHKXER, SGEQR2, SGEQR2P, SGEQRF,
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     $                   SGEQRFP, SGEQRS, SORG2R, SORGQR, SORM2R,
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     $                   SORMQR
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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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*
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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. / REAL( I+J )
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            AF( I, J ) = 1. / REAL( I+J )
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   10    CONTINUE
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         B( J ) = 0.
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         W( J ) = 0.
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         X( J ) = 0.
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   20 CONTINUE
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      OK = .TRUE.
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*
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*     Error exits for QR factorization
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*
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*     SGEQRF
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*
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      SRNAMT = 'SGEQRF'
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      INFOT = 1
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      CALL SGEQRF( -1, 0, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SGEQRF( 0, -1, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK )
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      INFOT = 4
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      CALL SGEQRF( 2, 1, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK )
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      INFOT = 7
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      CALL SGEQRF( 1, 2, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK )
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*
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*     SGEQRFP
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*
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      SRNAMT = 'SGEQRFP'
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      INFOT = 1
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      CALL SGEQRFP( -1, 0, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SGEQRFP( 0, -1, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK )
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      INFOT = 4
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      CALL SGEQRFP( 2, 1, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK )
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      INFOT = 7
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      CALL SGEQRFP( 1, 2, A, 1, B, W, 1, INFO )
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      CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK )
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*
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*     SGEQR2
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*
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      SRNAMT = 'SGEQR2'
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      INFOT = 1
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      CALL SGEQR2( -1, 0, A, 1, B, W, INFO )
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      CALL CHKXER( 'SGEQR2', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SGEQR2( 0, -1, A, 1, B, W, INFO )
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      CALL CHKXER( 'SGEQR2', INFOT, NOUT, LERR, OK )
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      INFOT = 4
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      CALL SGEQR2( 2, 1, A, 1, B, W, INFO )
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      CALL CHKXER( 'SGEQR2', INFOT, NOUT, LERR, OK )
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*
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*     SGEQR2P
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*
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      SRNAMT = 'SGEQR2P'
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      INFOT = 1
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      CALL SGEQR2P( -1, 0, A, 1, B, W, INFO )
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      CALL CHKXER( 'SGEQR2P', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SGEQR2P( 0, -1, A, 1, B, W, INFO )
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      CALL CHKXER( 'SGEQR2P', INFOT, NOUT, LERR, OK )
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      INFOT = 4
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      CALL SGEQR2P( 2, 1, A, 1, B, W, INFO )
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      CALL CHKXER( 'SGEQR2P', INFOT, NOUT, LERR, OK )
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*
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*     SGEQRS
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*
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      SRNAMT = 'SGEQRS'
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      INFOT = 1
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      CALL SGEQRS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO )
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      CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SGEQRS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO )
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      CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SGEQRS( 1, 2, 0, A, 2, X, B, 2, W, 1, INFO )
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      CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK )
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      INFOT = 3
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      CALL SGEQRS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO )
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      CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SGEQRS( 2, 1, 0, A, 1, X, B, 2, W, 1, INFO )
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      CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK )
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      INFOT = 8
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      CALL SGEQRS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO )
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      CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK )
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      INFOT = 10
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      CALL SGEQRS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO )
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      CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK )
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*
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*     SORGQR
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*
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      SRNAMT = 'SORGQR'
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      INFOT = 1
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      CALL SORGQR( -1, 0, 0, A, 1, X, W, 1, INFO )
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      CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SORGQR( 0, -1, 0, A, 1, X, W, 1, INFO )
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      CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SORGQR( 1, 2, 0, A, 1, X, W, 2, INFO )
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      CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK )
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      INFOT = 3
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      CALL SORGQR( 0, 0, -1, A, 1, X, W, 1, INFO )
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      CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK )
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      INFOT = 3
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      CALL SORGQR( 1, 1, 2, A, 1, X, W, 1, INFO )
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      CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORGQR( 2, 2, 0, A, 1, X, W, 2, INFO )
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      CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK )
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      INFOT = 8
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      CALL SORGQR( 2, 2, 0, A, 2, X, W, 1, INFO )
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      CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK )
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*
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*     SORG2R
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*
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      SRNAMT = 'SORG2R'
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      INFOT = 1
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      CALL SORG2R( -1, 0, 0, A, 1, X, W, INFO )
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      CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SORG2R( 0, -1, 0, A, 1, X, W, INFO )
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      CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SORG2R( 1, 2, 0, A, 1, X, W, INFO )
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      CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK )
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      INFOT = 3
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      CALL SORG2R( 0, 0, -1, A, 1, X, W, INFO )
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      CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK )
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      INFOT = 3
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      CALL SORG2R( 2, 1, 2, A, 2, X, W, INFO )
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      CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORG2R( 2, 1, 0, A, 1, X, W, INFO )
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      CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK )
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*
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*     SORMQR
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*
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      SRNAMT = 'SORMQR'
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      INFOT = 1
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      CALL SORMQR( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SORMQR( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 3
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      CALL SORMQR( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 4
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      CALL SORMQR( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORMQR( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORMQR( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORMQR( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 7
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      CALL SORMQR( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 7
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      CALL SORMQR( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 10
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      CALL SORMQR( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 12
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      CALL SORMQR( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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      INFOT = 12
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      CALL SORMQR( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
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      CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK )
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*
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*     SORM2R
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*
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      SRNAMT = 'SORM2R'
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      INFOT = 1
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      CALL SORM2R( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 2
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      CALL SORM2R( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 3
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      CALL SORM2R( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 4
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      CALL SORM2R( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORM2R( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORM2R( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 5
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      CALL SORM2R( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 7
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      CALL SORM2R( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 7
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      CALL SORM2R( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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      INFOT = 10
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      CALL SORM2R( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO )
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      CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK )
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*
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*     Print a summary line.
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*
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      CALL ALAESM( PATH, OK, NOUT )
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*
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      RETURN
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*
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*     End of SERRQR
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*
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      END
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