255 lines
7.9 KiB
Fortran
255 lines
7.9 KiB
Fortran
*> \brief \b CERRLS
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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 CERRLS( 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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*> CERRLS tests the error exits for the COMPLEX least squares
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*> driver routines (CGELS, CGELSS, CGELSX, 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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*> \date November 2011
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*
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*> \ingroup complex_lin
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*
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* =====================================================================
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SUBROUTINE CERRLS( 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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CHARACTER*2 C2
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INTEGER INFO, IRNK
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REAL RCOND
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* ..
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* .. Local Arrays ..
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INTEGER IP( NMAX )
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REAL RW( NMAX ), S( NMAX )
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COMPLEX 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, CGELS, CGELSD, CGELSS, CGELSX, CGELSY,
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$ CHKXER
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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 ) = ( 1.0E+0, 0.0E+0 )
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A( 1, 2 ) = ( 2.0E+0, 0.0E+0 )
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A( 2, 2 ) = ( 3.0E+0, 0.0E+0 )
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A( 2, 1 ) = ( 4.0E+0, 0.0E+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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* CGELS
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*
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SRNAMT = 'CGELS '
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INFOT = 1
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CALL CGELS( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CGELS( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CGELS( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CGELS( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL CGELS( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO )
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CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL CGELS( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO )
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CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL CGELS( 'N', 1, 1, 0, A, 1, B, 1, W, 1, INFO )
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CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK )
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*
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* CGELSS
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*
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SRNAMT = 'CGELSS'
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INFOT = 1
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CALL CGELSS( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW,
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$ INFO )
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CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CGELSS( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW,
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$ INFO )
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CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CGELSS( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW,
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$ INFO )
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CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CGELSS( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 2, RW,
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$ INFO )
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CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CGELSS( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 2, RW,
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$ INFO )
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CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK )
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*
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* CGELSX
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*
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SRNAMT = 'CGELSX'
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INFOT = 1
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CALL CGELSX( -1, 0, 0, A, 1, B, 1, IP, RCOND, IRNK, W, RW,
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$ INFO )
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CALL CHKXER( 'CGELSX', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CGELSX( 0, -1, 0, A, 1, B, 1, IP, RCOND, IRNK, W, RW,
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$ INFO )
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CALL CHKXER( 'CGELSX', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CGELSX( 0, 0, -1, A, 1, B, 1, IP, RCOND, IRNK, W, RW,
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$ INFO )
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CALL CHKXER( 'CGELSX', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CGELSX( 2, 0, 0, A, 1, B, 2, IP, RCOND, IRNK, W, RW,
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$ INFO )
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CALL CHKXER( 'CGELSX', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CGELSX( 2, 0, 0, A, 2, B, 1, IP, RCOND, IRNK, W, RW,
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$ INFO )
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CALL CHKXER( 'CGELSX', INFOT, NOUT, LERR, OK )
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*
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* CGELSY
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*
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SRNAMT = 'CGELSY'
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INFOT = 1
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CALL CGELSY( -1, 0, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW,
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$ INFO )
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CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CGELSY( 0, -1, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW,
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$ INFO )
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CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CGELSY( 0, 0, -1, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW,
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$ INFO )
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CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CGELSY( 2, 0, 0, A, 1, B, 2, IP, RCOND, IRNK, W, 10, RW,
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$ INFO )
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CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CGELSY( 2, 0, 0, A, 2, B, 1, IP, RCOND, IRNK, W, 10, RW,
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$ INFO )
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CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK )
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INFOT = 12
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CALL CGELSY( 0, 3, 0, A, 1, B, 3, IP, RCOND, IRNK, W, 1, RW,
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$ INFO )
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CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK )
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*
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* CGELSD
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*
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SRNAMT = 'CGELSD'
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INFOT = 1
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CALL CGELSD( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10,
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$ RW, IP, INFO )
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CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CGELSD( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10,
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$ RW, IP, INFO )
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CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CGELSD( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 10,
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$ RW, IP, INFO )
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CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CGELSD( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 10,
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$ RW, IP, INFO )
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CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CGELSD( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 10,
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$ RW, IP, INFO )
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CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK )
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INFOT = 12
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CALL CGELSD( 2, 2, 1, A, 2, B, 2, S, RCOND, IRNK, W, 1,
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$ RW, IP, INFO )
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CALL CHKXER( 'CGELSD', 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 CERRLS
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*
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END
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