SUBROUTINE ZERRED( 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 * ======= * * ZERRED tests the error exits for the eigenvalue driver routines for * DOUBLE PRECISION matrices: * * PATH driver description * ---- ------ ----------- * ZEV ZGEEV find eigenvalues/eigenvectors for nonsymmetric A * ZES ZGEES find eigenvalues/Schur form for nonsymmetric A * ZVX ZGEEVX ZGEEV + balancing and condition estimation * ZSX ZGEESX ZGEES + balancing and condition estimation * ZBD ZGESVD compute SVD of an M-by-N matrix A * ZGESDD compute SVD of an M-by-N matrix A(by divide and * conquer) * * 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 = 5*NMAX ) DOUBLE PRECISION ONE, ZERO PARAMETER ( ONE = 1.0D0, ZERO = 0.0D0 ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, IHI, ILO, INFO, J, NT, SDIM DOUBLE PRECISION ABNRM * .. * .. Local Arrays .. LOGICAL B( NMAX ) INTEGER IW( 4*NMAX ) DOUBLE PRECISION R1( NMAX ), R2( NMAX ), RW( LW ), S( NMAX ) COMPLEX*16 A( NMAX, NMAX ), U( NMAX, NMAX ), $ VL( NMAX, NMAX ), VR( NMAX, NMAX ), $ VT( NMAX, NMAX ), W( 4*NMAX ), X( NMAX ) * .. * .. External Subroutines .. EXTERNAL CHKXER, ZGEES, ZGEESX, ZGEEV, ZGEEVX, ZGESDD, $ ZGESVD * .. * .. External Functions .. LOGICAL LSAMEN, ZSLECT EXTERNAL LSAMEN, ZSLECT * .. * .. Intrinsic Functions .. INTRINSIC LEN_TRIM * .. * .. Arrays in Common .. LOGICAL SELVAL( 20 ) DOUBLE PRECISION SELWI( 20 ), SELWR( 20 ) * .. * .. Scalars in Common .. LOGICAL LERR, OK CHARACTER*32 SRNAMT INTEGER INFOT, NOUT, SELDIM, SELOPT * .. * .. Common blocks .. COMMON / INFOC / INFOT, NOUT, OK, LERR COMMON / SRNAMC / SRNAMT COMMON / SSLCT / SELOPT, SELDIM, SELVAL, SELWR, SELWI * .. * .. Executable Statements .. * NOUT = NUNIT WRITE( NOUT, FMT = * ) C2 = PATH( 2: 3 ) * * Initialize A * DO 20 J = 1, NMAX DO 10 I = 1, NMAX A( I, J ) = ZERO 10 CONTINUE 20 CONTINUE DO 30 I = 1, NMAX A( I, I ) = ONE 30 CONTINUE OK = .TRUE. NT = 0 * IF( LSAMEN( 2, C2, 'EV' ) ) THEN * * Test ZGEEV * SRNAMT = 'ZGEEV ' INFOT = 1 CALL ZGEEV( 'X', 'N', 0, A, 1, X, VL, 1, VR, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGEEV( 'N', 'X', 0, A, 1, X, VL, 1, VR, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGEEV( 'N', 'N', -1, A, 1, X, VL, 1, VR, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGEEV( 'N', 'N', 2, A, 1, X, VL, 1, VR, 1, W, 4, RW, $ INFO ) CALL CHKXER( 'ZGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZGEEV( 'V', 'N', 2, A, 2, X, VL, 1, VR, 1, W, 4, RW, $ INFO ) CALL CHKXER( 'ZGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL ZGEEV( 'N', 'V', 2, A, 2, X, VL, 1, VR, 1, W, 4, RW, $ INFO ) CALL CHKXER( 'ZGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL ZGEEV( 'V', 'V', 1, A, 1, X, VL, 1, VR, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGEEV ', INFOT, NOUT, LERR, OK ) NT = NT + 7 * ELSE IF( LSAMEN( 2, C2, 'ES' ) ) THEN * * Test ZGEES * SRNAMT = 'ZGEES ' INFOT = 1 CALL ZGEES( 'X', 'N', ZSLECT, 0, A, 1, SDIM, X, VL, 1, W, 1, $ RW, B, INFO ) CALL CHKXER( 'ZGEES ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGEES( 'N', 'X', ZSLECT, 0, A, 1, SDIM, X, VL, 1, W, 1, $ RW, B, INFO ) CALL CHKXER( 'ZGEES ', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGEES( 'N', 'S', ZSLECT, -1, A, 1, SDIM, X, VL, 1, W, 1, $ RW, B, INFO ) CALL CHKXER( 'ZGEES ', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL ZGEES( 'N', 'S', ZSLECT, 2, A, 1, SDIM, X, VL, 1, W, 4, $ RW, B, INFO ) CALL CHKXER( 'ZGEES ', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL ZGEES( 'V', 'S', ZSLECT, 2, A, 2, SDIM, X, VL, 1, W, 4, $ RW, B, INFO ) CALL CHKXER( 'ZGEES ', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL ZGEES( 'N', 'S', ZSLECT, 1, A, 1, SDIM, X, VL, 1, W, 1, $ RW, B, INFO ) CALL CHKXER( 'ZGEES ', INFOT, NOUT, LERR, OK ) NT = NT + 6 * ELSE IF( LSAMEN( 2, C2, 'VX' ) ) THEN * * Test ZGEEVX * SRNAMT = 'ZGEEVX' INFOT = 1 CALL ZGEEVX( 'X', 'N', 'N', 'N', 0, A, 1, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 1, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGEEVX( 'N', 'X', 'N', 'N', 0, A, 1, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 1, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGEEVX( 'N', 'N', 'X', 'N', 0, A, 1, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 1, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGEEVX( 'N', 'N', 'N', 'X', 0, A, 1, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 1, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGEEVX( 'N', 'N', 'N', 'N', -1, A, 1, X, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 1, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL ZGEEVX( 'N', 'N', 'N', 'N', 2, A, 1, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 4, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL ZGEEVX( 'N', 'V', 'N', 'N', 2, A, 2, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 4, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL ZGEEVX( 'N', 'N', 'V', 'N', 2, A, 2, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 4, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 20 CALL ZGEEVX( 'N', 'N', 'N', 'N', 1, A, 1, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 1, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 20 CALL ZGEEVX( 'N', 'N', 'V', 'V', 1, A, 1, X, VL, 1, VR, 1, ILO, $ IHI, S, ABNRM, R1, R2, W, 2, RW, INFO ) CALL CHKXER( 'ZGEEVX', INFOT, NOUT, LERR, OK ) NT = NT + 10 * ELSE IF( LSAMEN( 2, C2, 'SX' ) ) THEN * * Test ZGEESX * SRNAMT = 'ZGEESX' INFOT = 1 CALL ZGEESX( 'X', 'N', ZSLECT, 'N', 0, A, 1, SDIM, X, VL, 1, $ R1( 1 ), R2( 1 ), W, 1, RW, B, INFO ) CALL CHKXER( 'ZGEESX', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGEESX( 'N', 'X', ZSLECT, 'N', 0, A, 1, SDIM, X, VL, 1, $ R1( 1 ), R2( 1 ), W, 1, RW, B, INFO ) CALL CHKXER( 'ZGEESX', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGEESX( 'N', 'N', ZSLECT, 'X', 0, A, 1, SDIM, X, VL, 1, $ R1( 1 ), R2( 1 ), W, 1, RW, B, INFO ) CALL CHKXER( 'ZGEESX', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGEESX( 'N', 'N', ZSLECT, 'N', -1, A, 1, SDIM, X, VL, 1, $ R1( 1 ), R2( 1 ), W, 1, RW, B, INFO ) CALL CHKXER( 'ZGEESX', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL ZGEESX( 'N', 'N', ZSLECT, 'N', 2, A, 1, SDIM, X, VL, 1, $ R1( 1 ), R2( 1 ), W, 4, RW, B, INFO ) CALL CHKXER( 'ZGEESX', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL ZGEESX( 'V', 'N', ZSLECT, 'N', 2, A, 2, SDIM, X, VL, 1, $ R1( 1 ), R2( 1 ), W, 4, RW, B, INFO ) CALL CHKXER( 'ZGEESX', INFOT, NOUT, LERR, OK ) INFOT = 15 CALL ZGEESX( 'N', 'N', ZSLECT, 'N', 1, A, 1, SDIM, X, VL, 1, $ R1( 1 ), R2( 1 ), W, 1, RW, B, INFO ) CALL CHKXER( 'ZGEESX', INFOT, NOUT, LERR, OK ) NT = NT + 7 * ELSE IF( LSAMEN( 2, C2, 'BD' ) ) THEN * * Test ZGESVD * SRNAMT = 'ZGESVD' INFOT = 1 CALL ZGESVD( 'X', 'N', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGESVD( 'N', 'X', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGESVD( 'O', 'O', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGESVD( 'N', 'N', -1, 0, A, 1, S, U, 1, VT, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGESVD( 'N', 'N', 0, -1, A, 1, S, U, 1, VT, 1, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL ZGESVD( 'N', 'N', 2, 1, A, 1, S, U, 1, VT, 1, W, 5, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL ZGESVD( 'A', 'N', 2, 1, A, 2, S, U, 1, VT, 1, W, 5, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL ZGESVD( 'N', 'A', 1, 2, A, 1, S, U, 1, VT, 1, W, 5, RW, $ INFO ) CALL CHKXER( 'ZGESVD', INFOT, NOUT, LERR, OK ) NT = NT + 8 IF( OK ) THEN WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ), $ NT ELSE WRITE( NOUT, FMT = 9998 ) END IF * * Test ZGESDD * SRNAMT = 'ZGESDD' INFOT = 1 CALL ZGESDD( 'X', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, RW, IW, $ INFO ) CALL CHKXER( 'ZGESDD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGESDD( 'N', -1, 0, A, 1, S, U, 1, VT, 1, W, 1, RW, IW, $ INFO ) CALL CHKXER( 'ZGESDD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGESDD( 'N', 0, -1, A, 1, S, U, 1, VT, 1, W, 1, RW, IW, $ INFO ) CALL CHKXER( 'ZGESDD', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGESDD( 'N', 2, 1, A, 1, S, U, 1, VT, 1, W, 5, RW, IW, $ INFO ) CALL CHKXER( 'ZGESDD', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZGESDD( 'A', 2, 1, A, 2, S, U, 1, VT, 1, W, 5, RW, IW, $ INFO ) CALL CHKXER( 'ZGESDD', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL ZGESDD( 'A', 1, 2, A, 1, S, U, 1, VT, 1, W, 5, RW, IW, $ INFO ) CALL CHKXER( 'ZGESDD', INFOT, NOUT, LERR, OK ) NT = NT - 2 IF( OK ) THEN WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ), $ NT ELSE WRITE( NOUT, FMT = 9998 ) END IF END IF * * Print a summary line. * IF( .NOT.LSAMEN( 2, C2, 'BD' ) ) THEN IF( OK ) THEN WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ), $ NT ELSE WRITE( NOUT, FMT = 9998 ) END IF END IF * 9999 FORMAT( 1X, A, ' passed the tests of the error exits (', I3, $ ' tests done)' ) 9998 FORMAT( ' *** ', A, ' failed the tests of the error exits ***' ) RETURN * * End of ZERRED * END