testdata/lapack/TESTING/LIN/cerrtsqr.f
*> \brief \b CERRTSQR
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE CERRTSQR( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> CERRTSQR tests the error exits for the COMPLEX routines
*> that use the TSQR 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 Zenver
*> \author NAG Ltd.
*
*> \date December 2016
*
*> \ingroup double_lin
*
* =====================================================================
SUBROUTINE CERRTSQR( PATH, NUNIT )
IMPLICIT NONE
*
* -- LAPACK test routine (version 3.7.0) --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* December 2016
*
* .. Scalar Arguments ..
CHARACTER*3 PATH
INTEGER NUNIT
* ..
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX
PARAMETER ( NMAX = 2 )
* ..
* .. Local Scalars ..
INTEGER I, INFO, J, NB
* ..
* .. Local Arrays ..
COMPLEX A( NMAX, NMAX ), T( NMAX, NMAX ), W( NMAX ),
$ C( NMAX, NMAX ), TAU(NMAX)
* ..
* .. External Subroutines ..
EXTERNAL ALAESM, CHKXER, CGEQR,
$ CGEMQR, CGELQ, CGEMLQ
* ..
* .. 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 J = 1, NMAX
DO I = 1, NMAX
A( I, J ) = 1.E0 / CMPLX( REAL( I+J ), 0.E0 )
C( I, J ) = 1.E0 / CMPLX( REAL( I+J ), 0.E0 )
T( I, J ) = 1.E0 / CMPLX( REAL( I+J ), 0.E0 )
END DO
W( J ) = 0.E0
END DO
OK = .TRUE.
*
* Error exits for TS factorization
*
* CGEQR
*
SRNAMT = 'CGEQR'
INFOT = 1
CALL CGEQR( -1, 0, A, 1, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGEQR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CGEQR( 0, -1, A, 1, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGEQR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CGEQR( 1, 1, A, 0, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGEQR', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL CGEQR( 3, 2, A, 3, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGEQR', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL CGEQR( 3, 2, A, 3, TAU, 8, W, 0, INFO )
CALL CHKXER( 'CGEQR', INFOT, NOUT, LERR, OK )
*
* CGEMQR
*
TAU(1)=1
TAU(2)=1
SRNAMT = 'CGEMQR'
NB=1
INFOT = 1
CALL CGEMQR( '/', 'N', 0, 0, 0, A, 1, TAU, 1, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CGEMQR( 'L', '/', 0, 0, 0, A, 1, TAU, 1, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL CGEMQR( 'L', 'N', -1, 0, 0, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CGEMQR( 'L', 'N', 0, -1, 0, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL CGEMQR( 'L', 'N', 0, 0, -1, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL CGEMQR( 'R', 'N', 0, 0, -1, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL CGEMQR( 'L', 'N', 2, 1, 0, A, 0, TAU, 1, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL CGEMQR( 'R', 'N', 2, 2, 1, A, 2, TAU, 0, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL CGEMQR( 'L', 'N', 2, 2, 1, A, 2, TAU, 0, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL CGEMQR( 'L', 'N', 2, 1, 1, A, 2, TAU, 6, C, 0, W, 1,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL CGEMQR( 'L', 'N', 2, 2, 1, A, 2, TAU, 6, C, 2, W, 0,INFO)
CALL CHKXER( 'CGEMQR', INFOT, NOUT, LERR, OK )
*
* CGELQ
*
SRNAMT = 'CGELQ'
INFOT = 1
CALL CGELQ( -1, 0, A, 1, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGELQ', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CGELQ( 0, -1, A, 1, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGELQ', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CGELQ( 1, 1, A, 0, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGELQ', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL CGELQ( 2, 3, A, 3, TAU, 1, W, 1, INFO )
CALL CHKXER( 'CGELQ', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL CGELQ( 2, 3, A, 3, TAU, 8, W, 0, INFO )
CALL CHKXER( 'CGELQ', INFOT, NOUT, LERR, OK )
*
* CGEMLQ
*
TAU(1)=1
TAU(2)=1
SRNAMT = 'CGEMLQ'
NB=1
INFOT = 1
CALL CGEMLQ( '/', 'N', 0, 0, 0, A, 1, TAU, 1, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CGEMLQ( 'L', '/', 0, 0, 0, A, 1, TAU, 1, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL CGEMLQ( 'L', 'N', -1, 0, 0, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CGEMLQ( 'L', 'N', 0, -1, 0, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL CGEMLQ( 'L', 'N', 0, 0, -1, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL CGEMLQ( 'R', 'N', 0, 0, -1, A, 1, TAU, 1, C, 1, W,1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL CGEMLQ( 'L', 'N', 1, 2, 0, A, 0, TAU, 1, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL CGEMLQ( 'R', 'N', 2, 2, 1, A, 1, TAU, 0, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL CGEMLQ( 'L', 'N', 2, 2, 1, A, 1, TAU, 0, C, 1, W, 1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL CGEMLQ( 'L', 'N', 1, 2, 1, A, 1, TAU, 6, C, 0, W, 1,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL CGEMLQ( 'L', 'N', 2, 2, 1, A, 2, TAU, 6, C, 2, W, 0,INFO)
CALL CHKXER( 'CGEMLQ', INFOT, NOUT, LERR, OK )
*
* Print a summary line.
*
CALL ALAESM( PATH, OK, NOUT )
*
RETURN
*
* End of CERRTSQR
*
END