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278 lines
8.9 KiB
278 lines
8.9 KiB
2 years ago
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*> \brief \b DERRLS
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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 DERRLS( 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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*> DERRLS tests the error exits for the DOUBLE PRECISION least squares
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*> driver routines (DGELS, DGELST, DGETSLS, SGELSS, SGELSY, SGELSD).
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*> \endverbatim
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*
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* Arguments:
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* ==========
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*
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*> \param[in] PATH
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*> \verbatim
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*> PATH is CHARACTER*3
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*> The LAPACK path name for the routines to be tested.
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*> \endverbatim
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*>
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*> \param[in] NUNIT
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*> \verbatim
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*> NUNIT is INTEGER
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*> The unit number for output.
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*> \endverbatim
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*
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* Authors:
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* ========
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*
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*> \author Univ. of Tennessee
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*> \author Univ. of California Berkeley
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*> \author Univ. of Colorado Denver
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*> \author NAG Ltd.
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*
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*> \ingroup double_lin
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*
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* =====================================================================
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SUBROUTINE DERRLS( 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 A( NMAX, NMAX ), B( NMAX, NMAX ), S( NMAX ),
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$ 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, DGELS, DGELSD, DGELSS, DGELST,
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$ DGELSY, DGETSLS
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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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WRITE( NOUT, FMT = * )
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C2 = PATH( 2: 3 )
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A( 1, 1 ) = 1.0D+0
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A( 1, 2 ) = 2.0D+0
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A( 2, 2 ) = 3.0D+0
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A( 2, 1 ) = 4.0D+0
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OK = .TRUE.
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*
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IF( LSAMEN( 2, C2, 'LS' ) ) THEN
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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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* DGELS
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*
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SRNAMT = 'DGELS '
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INFOT = 1
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CALL DGELS( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DGELS( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DGELS( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL DGELS( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL DGELS( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO )
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CALL CHKXER( 'DGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DGELS( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO )
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CALL CHKXER( 'DGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DGELS( 'N', 0, 2, 0, A, 1, B, 1, W, 2, INFO )
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CALL CHKXER( 'DGELS', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL DGELS( 'N', 1, 1, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELS ', INFOT, NOUT, LERR, OK )
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*
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* DGELST
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*
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SRNAMT = 'DGELST'
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INFOT = 1
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CALL DGELST( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DGELST( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DGELST( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL DGELST( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL DGELST( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DGELST( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DGELST( 'N', 0, 2, 0, A, 1, B, 1, W, 2, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL DGELST( 'N', 1, 1, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGELST', INFOT, NOUT, LERR, OK )
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*
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* DGETSLS
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*
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SRNAMT = 'DGETSLS'
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INFOT = 1
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CALL DGETSLS( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGETSLS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DGETSLS( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGETSLS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DGETSLS( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGETSLS', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL DGETSLS( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'DGETSLS', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL DGETSLS( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO )
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CALL CHKXER( 'DGETSLS', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DGETSLS( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO )
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CALL CHKXER( 'DGETSLS', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DGETSLS( 'N', 0, 2, 0, A, 1, B, 1, W, 2, INFO )
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CALL CHKXER( 'DGETSLS', INFOT, NOUT, LERR, OK )
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*
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* DGELSS
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*
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SRNAMT = 'DGELSS'
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INFOT = 1
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CALL DGELSS( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, INFO )
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CALL CHKXER( 'DGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DGELSS( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, INFO )
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CALL CHKXER( 'DGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DGELSS( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 1, INFO )
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CALL CHKXER( 'DGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL DGELSS( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 2, INFO )
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CALL CHKXER( 'DGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL DGELSS( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 2, INFO )
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CALL CHKXER( 'DGELSS', INFOT, NOUT, LERR, OK )
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*
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* DGELSY
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*
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SRNAMT = 'DGELSY'
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INFOT = 1
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CALL DGELSY( -1, 0, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10,
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$ INFO )
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CALL CHKXER( 'DGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DGELSY( 0, -1, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10,
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$ INFO )
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CALL CHKXER( 'DGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DGELSY( 0, 0, -1, A, 1, B, 1, IP, RCOND, IRNK, W, 10,
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$ INFO )
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CALL CHKXER( 'DGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL DGELSY( 2, 0, 0, A, 1, B, 2, IP, RCOND, IRNK, W, 10,
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$ INFO )
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CALL CHKXER( 'DGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL DGELSY( 2, 0, 0, A, 2, B, 1, IP, RCOND, IRNK, W, 10,
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$ INFO )
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CALL CHKXER( 'DGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 12
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CALL DGELSY( 2, 2, 1, A, 2, B, 2, IP, RCOND, IRNK, W, 1, INFO )
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CALL CHKXER( 'DGELSY', INFOT, NOUT, LERR, OK )
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*
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* DGELSD
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*
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SRNAMT = 'DGELSD'
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INFOT = 1
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CALL DGELSD( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, IP,
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$ INFO )
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CALL CHKXER( 'DGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DGELSD( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, IP,
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$ INFO )
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CALL CHKXER( 'DGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DGELSD( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 10, IP,
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$ INFO )
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CALL CHKXER( 'DGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL DGELSD( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 10, IP,
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$ INFO )
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CALL CHKXER( 'DGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL DGELSD( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 10, IP,
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$ INFO )
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CALL CHKXER( 'DGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 12
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CALL DGELSD( 2, 2, 1, A, 2, B, 2, S, RCOND, IRNK, W, 1, IP,
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$ INFO )
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CALL CHKXER( 'DGELSD', 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 DERRLS
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*
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END
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