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lapack/TESTING/LIN/serrql.f
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*> \brief \b SERRQL
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE SERRQL( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> SERRQL tests the error exits for the REAL routines
*> that use the QL decomposition of a general matrix.
*> \endverbatim
*
* Arguments:
* ==========
*
*> \param[in] PATH
*> \verbatim
*> PATH is CHARACTER*3
*> The LAPACK path name for the routines to be tested.
*> \endverbatim
*>
*> \param[in] NUNIT
*> \verbatim
*> NUNIT is INTEGER
*> The unit number for output.
*> \endverbatim
*
* Authors:
* ========
*
*> \author Univ. of Tennessee
*> \author Univ. of California Berkeley
*> \author Univ. of Colorado Denver
*> \author NAG Ltd.
*
*> \ingroup single_lin
*
* =====================================================================
SUBROUTINE SERRQL( PATH, NUNIT )
*
* -- LAPACK test routine --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
*
* .. Scalar Arguments ..
CHARACTER*3 PATH
INTEGER NUNIT
* ..
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX
PARAMETER ( NMAX = 2 )
* ..
* .. Local Scalars ..
INTEGER I, INFO, J
* ..
* .. Local Arrays ..
REAL A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
$ W( NMAX ), X( NMAX )
* ..
* .. External Subroutines ..
EXTERNAL ALAESM, CHKXER, SGEQL2, SGEQLF, SGEQLS, SORG2L,
$ SORGQL, SORM2L, SORMQL
* ..
* .. Scalars in Common ..
LOGICAL LERR, OK
CHARACTER*32 SRNAMT
INTEGER INFOT, NOUT
* ..
* .. Common blocks ..
COMMON / INFOC / INFOT, NOUT, OK, LERR
COMMON / SRNAMC / SRNAMT
* ..
* .. Intrinsic Functions ..
INTRINSIC REAL
* ..
* .. Executable Statements ..
*
NOUT = NUNIT
WRITE( NOUT, FMT = * )
*
* Set the variables to innocuous values.
*
DO 20 J = 1, NMAX
DO 10 I = 1, NMAX
A( I, J ) = 1. / REAL( I+J )
AF( I, J ) = 1. / REAL( I+J )
10 CONTINUE
B( J ) = 0.
W( J ) = 0.
X( J ) = 0.
20 CONTINUE
OK = .TRUE.
*
* Error exits for QL factorization
*
* SGEQLF
*
SRNAMT = 'SGEQLF'
INFOT = 1
CALL SGEQLF( -1, 0, A, 1, B, W, 1, INFO )
CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SGEQLF( 0, -1, A, 1, B, W, 1, INFO )
CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL SGEQLF( 2, 1, A, 1, B, W, 1, INFO )
CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL SGEQLF( 1, 2, A, 1, B, W, 1, INFO )
CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
*
* SGEQL2
*
SRNAMT = 'SGEQL2'
INFOT = 1
CALL SGEQL2( -1, 0, A, 1, B, W, INFO )
CALL CHKXER( 'SGEQL2', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SGEQL2( 0, -1, A, 1, B, W, INFO )
CALL CHKXER( 'SGEQL2', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL SGEQL2( 2, 1, A, 1, B, W, INFO )
CALL CHKXER( 'SGEQL2', INFOT, NOUT, LERR, OK )
*
* SGEQLS
*
SRNAMT = 'SGEQLS'
INFOT = 1
CALL SGEQLS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO )
CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SGEQLS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO )
CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SGEQLS( 1, 2, 0, A, 1, X, B, 1, W, 1, INFO )
CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL SGEQLS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO )
CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SGEQLS( 2, 1, 0, A, 1, X, B, 2, W, 1, INFO )
CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL SGEQLS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO )
CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL SGEQLS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO )
CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
*
* SORGQL
*
SRNAMT = 'SORGQL'
INFOT = 1
CALL SORGQL( -1, 0, 0, A, 1, X, W, 1, INFO )
CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SORGQL( 0, -1, 0, A, 1, X, W, 1, INFO )
CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SORGQL( 1, 2, 0, A, 1, X, W, 2, INFO )
CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL SORGQL( 0, 0, -1, A, 1, X, W, 1, INFO )
CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL SORGQL( 1, 1, 2, A, 1, X, W, 1, INFO )
CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORGQL( 2, 1, 0, A, 1, X, W, 1, INFO )
CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL SORGQL( 2, 2, 0, A, 2, X, W, 1, INFO )
CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
*
* SORG2L
*
SRNAMT = 'SORG2L'
INFOT = 1
CALL SORG2L( -1, 0, 0, A, 1, X, W, INFO )
CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SORG2L( 0, -1, 0, A, 1, X, W, INFO )
CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SORG2L( 1, 2, 0, A, 1, X, W, INFO )
CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL SORG2L( 0, 0, -1, A, 1, X, W, INFO )
CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL SORG2L( 2, 1, 2, A, 2, X, W, INFO )
CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORG2L( 2, 1, 0, A, 1, X, W, INFO )
CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
*
* SORMQL
*
SRNAMT = 'SORMQL'
INFOT = 1
CALL SORMQL( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SORMQL( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL SORMQL( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL SORMQL( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORMQL( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORMQL( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORMQL( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL SORMQL( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL SORMQL( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL SORMQL( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 12
CALL SORMQL( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
INFOT = 12
CALL SORMQL( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
*
* SORM2L
*
SRNAMT = 'SORM2L'
INFOT = 1
CALL SORM2L( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL SORM2L( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL SORM2L( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL SORM2L( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORM2L( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORM2L( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL SORM2L( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL SORM2L( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL SORM2L( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL SORM2L( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO )
CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
*
* Print a summary line.
*
CALL ALAESM( PATH, OK, NOUT )
*
RETURN
*
* End of SERRQL
*
END
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