407 lines
13 KiB
Fortran
407 lines
13 KiB
Fortran
*> \brief \b SERRGE
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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 SERRGE( 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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*> SERRGE tests the error exits for the REAL routines
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*> for general matrices.
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*> \endverbatim
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*
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* Arguments:
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* ==========
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*
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*> \param[in] PATH
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*> \verbatim
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*> PATH is CHARACTER*3
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*> The LAPACK path name for the routines to be tested.
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*> \endverbatim
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*>
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*> \param[in] NUNIT
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*> \verbatim
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*> NUNIT is INTEGER
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*> The unit number for output.
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*> \endverbatim
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*
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* Authors:
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* ========
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*
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*> \author Univ. of Tennessee
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*> \author Univ. of California Berkeley
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*> \author Univ. of Colorado Denver
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*> \author NAG Ltd.
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*
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*> \ingroup single_lin
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*
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* =====================================================================
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SUBROUTINE SERRGE( 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, LW
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PARAMETER ( NMAX = 4, LW = 3*NMAX )
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* ..
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* .. Local Scalars ..
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CHARACTER*2 C2
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INTEGER I, INFO, J
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REAL ANRM, CCOND, RCOND
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* ..
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* .. Local Arrays ..
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INTEGER IP( NMAX ), IW( NMAX )
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REAL A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
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$ R1( NMAX ), R2( NMAX ), W( LW ), X( NMAX )
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* ..
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* .. External Functions ..
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LOGICAL LSAMEN
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EXTERNAL LSAMEN
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* ..
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* .. External Subroutines ..
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EXTERNAL ALAESM, CHKXER, SGBCON, SGBEQU, SGBRFS, SGBTF2,
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$ SGBTRF, SGBTRS, SGECON, SGEEQU, SGERFS, SGETF2,
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$ SGETRF, SGETRI, SGETRS
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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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C2 = PATH( 2: 3 )
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*
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* Set the variables to innocuous values.
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*
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DO 20 J = 1, NMAX
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DO 10 I = 1, NMAX
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A( I, J ) = 1. / 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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R1( J ) = 0.
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R2( J ) = 0.
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W( J ) = 0.
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X( J ) = 0.
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IP( J ) = J
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IW( J ) = J
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20 CONTINUE
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OK = .TRUE.
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*
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IF( LSAMEN( 2, C2, 'GE' ) ) THEN
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*
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* Test error exits of the routines that use the LU decomposition
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* of a general matrix.
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*
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* SGETRF
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*
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SRNAMT = 'SGETRF'
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INFOT = 1
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CALL SGETRF( -1, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGETRF( 0, -1, A, 1, IP, INFO )
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CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGETRF( 2, 1, A, 1, IP, INFO )
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CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK )
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*
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* SGETF2
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*
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SRNAMT = 'SGETF2'
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INFOT = 1
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CALL SGETF2( -1, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGETF2( 0, -1, A, 1, IP, INFO )
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CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGETF2( 2, 1, A, 1, IP, INFO )
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CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK )
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*
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* SGETRI
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*
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SRNAMT = 'SGETRI'
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INFOT = 1
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CALL SGETRI( -1, A, 1, IP, W, LW, INFO )
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CALL CHKXER( 'SGETRI', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGETRI( 2, A, 1, IP, W, LW, INFO )
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CALL CHKXER( 'SGETRI', INFOT, NOUT, LERR, OK )
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*
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* SGETRS
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*
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SRNAMT = 'SGETRS'
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INFOT = 1
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CALL SGETRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGETRS( 'N', -1, 0, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGETRS( 'N', 0, -1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL SGETRS( 'N', 2, 1, A, 1, IP, B, 2, INFO )
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CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL SGETRS( 'N', 2, 1, A, 2, IP, B, 1, INFO )
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CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
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*
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* SGERFS
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*
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SRNAMT = 'SGERFS'
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INFOT = 1
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CALL SGERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
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$ IW, INFO )
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CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGERFS( 'N', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
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$ W, IW, INFO )
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CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGERFS( 'N', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
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$ W, IW, INFO )
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CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL SGERFS( 'N', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
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$ IW, INFO )
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CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL SGERFS( 'N', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
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$ IW, INFO )
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CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL SGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
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$ IW, INFO )
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CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
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INFOT = 12
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CALL SGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
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$ IW, INFO )
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CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
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*
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* SGECON
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*
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SRNAMT = 'SGECON'
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INFOT = 1
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CALL SGECON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGECON( '1', -1, A, 1, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGECON( '1', 2, A, 1, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK )
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*
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* SGEEQU
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*
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SRNAMT = 'SGEEQU'
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INFOT = 1
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CALL SGEEQU( -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
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CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGEEQU( 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
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CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGEEQU( 2, 2, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
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CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK )
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*
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ELSE IF( LSAMEN( 2, C2, 'GB' ) ) THEN
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*
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* Test error exits of the routines that use the LU decomposition
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* of a general band matrix.
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*
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* SGBTRF
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*
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SRNAMT = 'SGBTRF'
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INFOT = 1
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CALL SGBTRF( -1, 0, 0, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGBTRF( 0, -1, 0, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGBTRF( 1, 1, -1, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGBTRF( 1, 1, 0, -1, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL SGBTRF( 2, 2, 1, 1, A, 3, IP, INFO )
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CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
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*
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* SGBTF2
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*
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SRNAMT = 'SGBTF2'
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INFOT = 1
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CALL SGBTF2( -1, 0, 0, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGBTF2( 0, -1, 0, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGBTF2( 1, 1, -1, 0, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGBTF2( 1, 1, 0, -1, A, 1, IP, INFO )
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CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL SGBTF2( 2, 2, 1, 1, A, 3, IP, INFO )
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CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
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*
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* SGBTRS
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*
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SRNAMT = 'SGBTRS'
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INFOT = 1
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CALL SGBTRS( '/', 0, 0, 0, 1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGBTRS( 'N', -1, 0, 0, 1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGBTRS( 'N', 1, -1, 0, 1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGBTRS( 'N', 1, 0, -1, 1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL SGBTRS( 'N', 1, 0, 0, -1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL SGBTRS( 'N', 2, 1, 1, 1, A, 3, IP, B, 2, INFO )
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CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL SGBTRS( 'N', 2, 0, 0, 1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
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*
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* SGBRFS
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*
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SRNAMT = 'SGBRFS'
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INFOT = 1
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CALL SGBRFS( '/', 0, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGBRFS( 'N', -1, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGBRFS( 'N', 1, -1, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGBRFS( 'N', 1, 0, -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL SGBRFS( 'N', 1, 0, 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL SGBRFS( 'N', 2, 1, 1, 1, A, 2, AF, 4, IP, B, 2, X, 2, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 9
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CALL SGBRFS( 'N', 2, 1, 1, 1, A, 3, AF, 3, IP, B, 2, X, 2, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 12
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CALL SGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 1, X, 2, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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INFOT = 14
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CALL SGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 2, X, 1, R1,
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$ R2, W, IW, INFO )
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CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
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*
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* SGBCON
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*
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SRNAMT = 'SGBCON'
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INFOT = 1
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CALL SGBCON( '/', 0, 0, 0, A, 1, IP, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGBCON( '1', -1, 0, 0, A, 1, IP, ANRM, RCOND, W, IW,
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$ INFO )
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CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGBCON( '1', 1, -1, 0, A, 1, IP, ANRM, RCOND, W, IW,
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$ INFO )
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CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGBCON( '1', 1, 0, -1, A, 1, IP, ANRM, RCOND, W, IW,
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$ INFO )
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CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL SGBCON( '1', 2, 1, 1, A, 3, IP, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
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*
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* SGBEQU
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*
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SRNAMT = 'SGBEQU'
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INFOT = 1
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CALL SGBEQU( -1, 0, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
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$ INFO )
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CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SGBEQU( 0, -1, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
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$ INFO )
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CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SGBEQU( 1, 1, -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
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$ INFO )
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CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SGBEQU( 1, 1, 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM,
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$ INFO )
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CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL SGBEQU( 2, 2, 1, 1, A, 2, R1, R2, RCOND, CCOND, ANRM,
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$ INFO )
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CALL CHKXER( 'SGBEQU', 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 SERRGE
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*
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END
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