SUBROUTINE ZERRBD( 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 * ======= * * ZERRBD tests the error exits for ZGEBRD, ZUNGBR, ZUNMBR, and ZBDSQR. * * 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, LW PARAMETER ( NMAX = 4, LW = NMAX ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, INFO, J, NT * .. * .. Local Arrays .. DOUBLE PRECISION D( NMAX ), E( NMAX ), RW( 4*NMAX ) COMPLEX*16 A( NMAX, NMAX ), TP( NMAX ), TQ( NMAX ), $ U( NMAX, NMAX ), V( NMAX, NMAX ), W( LW ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL CHKXER, ZBDSQR, ZGEBRD, ZUNGBR, ZUNMBR * .. * .. Scalars in Common .. LOGICAL LERR, OK CHARACTER*6 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 = * ) C2 = PATH( 2: 3 ) * * Set the variables to innocuous values. * DO 20 J = 1, NMAX DO 10 I = 1, NMAX A( I, J ) = 1.D0 / DBLE( I+J ) 10 CONTINUE 20 CONTINUE OK = .TRUE. NT = 0 * * Test error exits of the SVD routines. * IF( LSAMEN( 2, C2, 'BD' ) ) THEN * * ZGEBRD * SRNAMT = 'ZGEBRD' INFOT = 1 CALL ZGEBRD( -1, 0, A, 1, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGEBRD( 0, -1, A, 1, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGEBRD( 2, 1, A, 1, D, E, TQ, TP, W, 2, INFO ) CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL ZGEBRD( 2, 1, A, 2, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK ) NT = NT + 4 * * ZUNGBR * SRNAMT = 'ZUNGBR' INFOT = 1 CALL ZUNGBR( '/', 0, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZUNGBR( 'Q', -1, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZUNGBR( 'Q', 0, -1, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZUNGBR( 'Q', 0, 1, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZUNGBR( 'Q', 1, 0, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZUNGBR( 'P', 1, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZUNGBR( 'P', 0, 1, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZUNGBR( 'Q', 0, 0, -1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL ZUNGBR( 'Q', 2, 1, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL ZUNGBR( 'Q', 2, 2, 1, A, 2, TQ, W, 1, INFO ) CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK ) NT = NT + 10 * * ZUNMBR * SRNAMT = 'ZUNMBR' INFOT = 1 CALL ZUNMBR( '/', 'L', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZUNMBR( 'Q', '/', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZUNMBR( 'Q', 'L', '/', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZUNMBR( 'Q', 'L', 'C', -1, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZUNMBR( 'Q', 'L', 'C', 0, -1, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL ZUNMBR( 'Q', 'L', 'C', 0, 0, -1, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZUNMBR( 'Q', 'L', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZUNMBR( 'Q', 'R', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZUNMBR( 'P', 'L', 'C', 2, 0, 2, A, 1, TQ, U, 2, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZUNMBR( 'P', 'R', 'C', 0, 2, 2, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL ZUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL ZUNMBR( 'Q', 'L', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 0, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL ZUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 0, $ INFO ) CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK ) NT = NT + 13 * * ZBDSQR * SRNAMT = 'ZBDSQR' INFOT = 1 CALL ZBDSQR( '/', 0, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZBDSQR( 'U', -1, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZBDSQR( 'U', 0, -1, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZBDSQR( 'U', 0, 0, -1, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZBDSQR( 'U', 0, 0, 0, -1, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL ZBDSQR( 'U', 2, 1, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL ZBDSQR( 'U', 0, 0, 2, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL ZBDSQR( 'U', 2, 0, 0, 1, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK ) NT = NT + 8 END IF * * Print a summary line. * IF( OK ) THEN WRITE( NOUT, FMT = 9999 )PATH, NT ELSE WRITE( NOUT, FMT = 9998 )PATH END IF * 9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits (', $ I3, ' tests done)' ) 9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ', $ 'exits ***' ) * RETURN * * End of ZERRBD * END