SUBROUTINE DERRQR( PATH, NUNIT ) * * -- LAPACK test routine (version 3.1) -- * Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. * June 2010 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * Purpose * ======= * * DERRQR tests the error exits for the DOUBLE PRECISION routines * that use the QR 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, DGEQR2, DGEQR2P, DGEQRF, \$ DGEQRFP, DGEQRS, DORG2R, DORGQR, DORM2R, \$ DORMQR * .. * .. 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 QR factorization * * DGEQRF * SRNAMT = 'DGEQRF' INFOT = 1 CALL DGEQRF( -1, 0, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQRF( 0, -1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEQRF( 2, 1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGEQRF( 1, 2, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK ) * * DGEQRFP * SRNAMT = 'DGEQRFP' INFOT = 1 CALL DGEQRFP( -1, 0, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQRFP( 0, -1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEQRFP( 2, 1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGEQRFP( 1, 2, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK ) * * DGEQR2 * SRNAMT = 'DGEQR2' INFOT = 1 CALL DGEQR2( -1, 0, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQR2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQR2( 0, -1, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQR2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEQR2( 2, 1, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQR2', INFOT, NOUT, LERR, OK ) * * DGEQR2P * SRNAMT = 'DGEQR2P' INFOT = 1 CALL DGEQR2P( -1, 0, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQR2P', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQR2P( 0, -1, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQR2P', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEQR2P( 2, 1, A, 1, B, W, INFO ) CALL CHKXER( 'DGEQR2P', INFOT, NOUT, LERR, OK ) * * DGEQRS * SRNAMT = 'DGEQRS' INFOT = 1 CALL DGEQRS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQRS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEQRS( 1, 2, 0, A, 2, X, B, 2, W, 1, INFO ) CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEQRS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEQRS( 2, 1, 0, A, 1, X, B, 2, W, 1, INFO ) CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DGEQRS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGEQRS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK ) * * DORGQR * SRNAMT = 'DORGQR' INFOT = 1 CALL DORGQR( -1, 0, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGQR( 0, -1, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGQR( 1, 2, 0, A, 1, X, W, 2, INFO ) CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGQR( 0, 0, -1, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGQR( 1, 1, 2, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORGQR( 2, 2, 0, A, 1, X, W, 2, INFO ) CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORGQR( 2, 2, 0, A, 2, X, W, 1, INFO ) CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK ) * * DORG2R * SRNAMT = 'DORG2R' INFOT = 1 CALL DORG2R( -1, 0, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORG2R( 0, -1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORG2R( 1, 2, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORG2R( 0, 0, -1, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORG2R( 2, 1, 2, A, 2, X, W, INFO ) CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORG2R( 2, 1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK ) * * DORMQR * SRNAMT = 'DORMQR' INFOT = 1 CALL DORMQR( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORMQR( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORMQR( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORMQR( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMQR( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMQR( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMQR( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMQR( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMQR( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DORMQR( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DORMQR( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DORMQR( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK ) * * DORM2R * SRNAMT = 'DORM2R' INFOT = 1 CALL DORM2R( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORM2R( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORM2R( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORM2R( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORM2R( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORM2R( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORM2R( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORM2R( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORM2R( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DORM2R( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO ) CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK ) * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of DERRQR * END