*> \brief \b ZERLQT * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE ZERRLQT( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> ZERRLQT tests the error exits for the COMPLEX routines *> that use the LQT 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 double_lin * * ===================================================================== SUBROUTINE ZERRLQT( PATH, NUNIT ) IMPLICIT NONE * * -- 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 .. COMPLEX*16 A( NMAX, NMAX ), T( NMAX, NMAX ), W( NMAX ), $ C( NMAX, NMAX ) * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, ZGELQT3, ZGELQT, $ ZGEMLQT * .. * .. 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 DBLE, DCMPLX * .. * .. 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.D0 / DCMPLX( DBLE( I+J ), 0.D0 ) C( I, J ) = 1.D0 / DCMPLX( DBLE( I+J ), 0.D0 ) T( I, J ) = 1.D0 / DCMPLX( DBLE( I+J ), 0.D0 ) END DO W( J ) = 0.D0 END DO OK = .TRUE. * * Error exits for LQT factorization * * ZGELQT * SRNAMT = 'ZGELQT' INFOT = 1 CALL ZGELQT( -1, 0, 1, A, 1, T, 1, W, INFO ) CALL CHKXER( 'ZGELQT', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGELQT( 0, -1, 1, A, 1, T, 1, W, INFO ) CALL CHKXER( 'ZGELQT', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGELQT( 0, 0, 0, A, 1, T, 1, W, INFO ) CALL CHKXER( 'ZGELQT', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGELQT( 2, 1, 1, A, 1, T, 1, W, INFO ) CALL CHKXER( 'ZGELQT', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL ZGELQT( 2, 2, 2, A, 2, T, 1, W, INFO ) CALL CHKXER( 'ZGELQT', INFOT, NOUT, LERR, OK ) * * ZGELQT3 * SRNAMT = 'ZGELQT3' INFOT = 1 CALL ZGELQT3( -1, 0, A, 1, T, 1, INFO ) CALL CHKXER( 'ZGELQT3', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGELQT3( 0, -1, A, 1, T, 1, INFO ) CALL CHKXER( 'ZGELQT3', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGELQT3( 2, 2, A, 1, T, 1, INFO ) CALL CHKXER( 'ZGELQT3', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL ZGELQT3( 2, 2, A, 2, T, 1, INFO ) CALL CHKXER( 'ZGELQT3', INFOT, NOUT, LERR, OK ) * * ZGEMLQT * SRNAMT = 'ZGEMLQT' INFOT = 1 CALL ZGEMLQT( '/', 'N', 0, 0, 0, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGEMLQT( 'L', '/', 0, 0, 0, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGEMLQT( 'L', 'N', -1, 0, 0, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGEMLQT( 'L', 'N', 0, -1, 0, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGEMLQT( 'L', 'N', 0, 0, -1, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGEMLQT( 'R', 'N', 0, 0, -1, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL ZGEMLQT( 'L', 'N', 0, 0, 0, 0, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZGEMLQT( 'R', 'N', 2, 2, 2, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZGEMLQT( 'L', 'N', 2, 2, 2, 1, A, 1, T, 1, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL ZGEMLQT( 'R', 'N', 1, 1, 1, 1, A, 1, T, 0, C, 1, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL ZGEMLQT( 'L', 'N', 1, 1, 1, 1, A, 1, T, 1, C, 0, W, INFO ) CALL CHKXER( 'ZGEMLQT', INFOT, NOUT, LERR, OK ) * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of ZERRLQT * END