284 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			284 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Fortran
		
	
	
	
*> \brief \b ZERRLS
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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 ZERRLS( 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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*> ZERRLS tests the error exits for the COMPLEX*16 least squares
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*> driver routines (ZGELS, ZGELST, ZGETSLS, CGELSS, CGELSY, CGELSD).
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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 complex16_lin
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*
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*  =====================================================================
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      SUBROUTINE ZERRLS( PATH, NUNIT )
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*
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*  -- LAPACK test routine --
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*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
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*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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*
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*     .. Scalar Arguments ..
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      CHARACTER*3        PATH
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      INTEGER            NUNIT
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*     ..
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*
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*  =====================================================================
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*
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*     .. Parameters ..
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      INTEGER            NMAX
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      PARAMETER          ( NMAX = 2 )
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*     ..
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*     .. Local Scalars ..
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      CHARACTER*2        C2
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      INTEGER            INFO, IRNK
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      DOUBLE PRECISION   RCOND
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*     ..
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*     .. Local Arrays ..
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      INTEGER            IP( NMAX )
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      DOUBLE PRECISION   RW( NMAX ), S( NMAX )
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      COMPLEX*16         A( NMAX, NMAX ), B( NMAX, NMAX ), W( 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, ZGELS, ZGELSD, ZGELSS, ZGELST,
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     $                   ZGELSY, ZGETSLS
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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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*     .. Executable Statements ..
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*
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      NOUT = NUNIT
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      C2 = PATH( 2: 3 )
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      A( 1, 1 ) = ( 1.0D+0, 0.0D+0 )
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      A( 1, 2 ) = ( 2.0D+0, 0.0D+0 )
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      A( 2, 2 ) = ( 3.0D+0, 0.0D+0 )
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      A( 2, 1 ) = ( 4.0D+0, 0.0D+0 )
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      OK = .TRUE.
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      WRITE( NOUT, FMT = * )
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*
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*     Test error exits for the least squares driver routines.
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*
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      IF( LSAMEN( 2, C2, 'LS' ) ) THEN
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*
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*        ZGELS
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*
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         SRNAMT = 'ZGELS '
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         INFOT = 1
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         CALL ZGELS( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL ZGELS( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL ZGELS( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL ZGELS( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK )
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         INFOT = 6
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         CALL ZGELS( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO )
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         CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK )
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         INFOT = 8
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         CALL ZGELS( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO )
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         CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK )
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         INFOT = 8
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         CALL ZGELS( 'N', 0, 2, 0, A, 1, B, 1, W, 2, INFO )
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         CALL CHKXER( 'ZGELS', INFOT, NOUT, LERR, OK )
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         INFOT = 10
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         CALL ZGELS( 'N', 1, 1, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK )
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*
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*        ZGELST
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*
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         SRNAMT = 'ZGELST'
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         INFOT = 1
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         CALL ZGELST( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL ZGELST( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL ZGELST( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL ZGELST( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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         INFOT = 6
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         CALL ZGELST( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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         INFOT = 8
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         CALL ZGELST( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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         INFOT = 8
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         CALL ZGELST( 'N', 0, 2, 0, A, 1, B, 1, W, 2, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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         INFOT = 10
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         CALL ZGELST( 'N', 1, 1, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGELST', INFOT, NOUT, LERR, OK )
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*
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*        ZGETSLS
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*
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         SRNAMT = 'ZGETSLS'
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         INFOT = 1
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         CALL ZGETSLS( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGETSLS', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL ZGETSLS( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGETSLS', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL ZGETSLS( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGETSLS', INFOT, NOUT, LERR, OK )
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         INFOT = 4
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         CALL ZGETSLS( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO )
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         CALL CHKXER( 'ZGETSLS', INFOT, NOUT, LERR, OK )
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         INFOT = 6
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         CALL ZGETSLS( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO )
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         CALL CHKXER( 'ZGETSLS', INFOT, NOUT, LERR, OK )
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         INFOT = 8
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         CALL ZGETSLS( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO )
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         CALL CHKXER( 'ZGETSLS', INFOT, NOUT, LERR, OK )
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         INFOT = 8
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         CALL ZGETSLS( 'N', 0, 2, 0, A, 1, B, 1, W, 2, INFO )
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         CALL CHKXER( 'ZGETSLS', INFOT, NOUT, LERR, OK )
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*
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*        ZGELSS
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*
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         SRNAMT = 'ZGELSS'
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         INFOT = 1
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         CALL ZGELSS( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL ZGELSS( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL ZGELSS( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL ZGELSS( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 2, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL ZGELSS( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 2, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK )
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*
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*        ZGELSY
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*
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         SRNAMT = 'ZGELSY'
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         INFOT = 1
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         CALL ZGELSY( -1, 0, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL ZGELSY( 0, -1, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL ZGELSY( 0, 0, -1, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL ZGELSY( 2, 0, 0, A, 1, B, 2, IP, RCOND, IRNK, W, 10, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL ZGELSY( 2, 0, 0, A, 2, B, 1, IP, RCOND, IRNK, W, 10, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK )
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         INFOT = 12
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         CALL ZGELSY( 0, 3, 0, A, 1, B, 3, IP, RCOND, IRNK, W, 1, RW,
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     $                INFO )
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         CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK )
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*
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*        ZGELSD
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*
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         SRNAMT = 'ZGELSD'
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         INFOT = 1
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         CALL ZGELSD( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, RW,
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     $                IP, INFO )
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         CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK )
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         INFOT = 2
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         CALL ZGELSD( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, RW,
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     $                IP, INFO )
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         CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK )
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         INFOT = 3
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         CALL ZGELSD( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 10, RW,
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     $                IP, INFO )
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         CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK )
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         INFOT = 5
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         CALL ZGELSD( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 10, RW,
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     $                IP, INFO )
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         CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK )
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         INFOT = 7
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         CALL ZGELSD( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 10, RW,
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     $                IP, INFO )
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         CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK )
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         INFOT = 12
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         CALL ZGELSD( 2, 2, 1, A, 2, B, 2, S, RCOND, IRNK, W, 1, RW, IP,
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     $                INFO )
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         CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK )
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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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      CALL ALAESM( PATH, OK, NOUT )
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*
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      RETURN
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*
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*     End of ZERRLS
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*
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      END
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