SUBROUTINE DERRQL( PATH, NUNIT ) * * -- LAPACK test routine (version 3.1) -- * Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. * November 2006 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * Purpose * ======= * * DERRQL tests the error exits for the DOUBLE PRECISION routines * that use the QL decomposition of a general matrix. * * Arguments * ========= * * PATH (input) CHARACTER*3 * The LAPACK path name for the routines to be tested. * * NUNIT (input) INTEGER * The unit number for output. * * ===================================================================== * * .. Parameters .. INTEGER NMAX PARAMETER ( NMAX = 2 ) * .. * .. Local Scalars .. INTEGER I, INFO, J * .. * .. Local Arrays .. DOUBLE PRECISION A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ), \$ W( NMAX ), X( NMAX ) * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, DGEQL2, DGEQLF, DGEQLS, DORG2L, \$ DORGQL, DORM2L, DORMQL * .. * .. 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 * .. * .. 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.D0 / DBLE( I+J ) AF( I, J ) = 1.D0 / DBLE( I+J ) 10 CONTINUE B( J ) = 0.D0 W( J ) = 0.D0 X( J ) = 0.D0 20 CONTINUE OK = .TRUE. * * Error exits for QL factorization * * DGEQLF * SRNAMT = 'DGEQLF' INFOT = 1 CALL DGEQLF( -1, 0, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQLF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQLF( 0, -1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQLF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEQLF( 2, 1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQLF', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGEQLF( 1, 2, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQLF', INFOT, NOUT, LERR, OK ) * * DGEQL2 * SRNAMT = 'DGEQL2' INFOT = 1 CALL DGEQL2( -1, 0, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQL2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQL2( 0, -1, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQL2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEQL2( 2, 1, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQL2', INFOT, NOUT, LERR, OK ) * * DGEQLS * SRNAMT = 'DGEQLS' INFOT = 1 CALL DGEQLS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQLS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQLS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQLS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQLS( 1, 2, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQLS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEQLS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQLS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEQLS( 2, 1, 0, A, 1, X, B, 2, W, 1, INFO ) CALL CHKXER( 'DGEQLS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DGEQLS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQLS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGEQLS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQLS', INFOT, NOUT, LERR, OK ) * * DORGQL * SRNAMT = 'DORGQL' INFOT = 1 CALL DORGQL( -1, 0, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQL', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGQL( 0, -1, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQL', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGQL( 1, 2, 0, A, 1, X, W, 2, INFO ) CALL CHKXER( 'DORGQL', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGQL( 0, 0, -1, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQL', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGQL( 1, 1, 2, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQL', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORGQL( 2, 1, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQL', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORGQL( 2, 2, 0, A, 2, X, W, 1, INFO ) CALL CHKXER( 'DORGQL', INFOT, NOUT, LERR, OK ) * * DORG2L * SRNAMT = 'DORG2L' INFOT = 1 CALL DORG2L( -1, 0, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2L', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORG2L( 0, -1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2L', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORG2L( 1, 2, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2L', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORG2L( 0, 0, -1, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2L', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORG2L( 2, 1, 2, A, 2, X, W, INFO ) CALL CHKXER( 'DORG2L', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORG2L( 2, 1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2L', INFOT, NOUT, LERR, OK ) * * DORMQL * SRNAMT = 'DORMQL' INFOT = 1 CALL DORMQL( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORMQL( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORMQL( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORMQL( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMQL( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMQL( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMQL( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMQL( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMQL( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DORMQL( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DORMQL( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DORMQL( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'DORMQL', INFOT, NOUT, LERR, OK ) * * DORM2L * SRNAMT = 'DORM2L' INFOT = 1 CALL DORM2L( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORM2L( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORM2L( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORM2L( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORM2L( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORM2L( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORM2L( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORM2L( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORM2L( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DORM2L( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2L', INFOT, NOUT, LERR, OK ) * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of DERRQL * END