*> \brief \b DERRED * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE DERRED( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> DERRED tests the error exits for the eigenvalue driver routines for *> DOUBLE PRECISION matrices: *> *> PATH driver description *> ---- ------ ----------- *> SEV DGEEV find eigenvalues/eigenvectors for nonsymmetric A *> SES DGEES find eigenvalues/Schur form for nonsymmetric A *> SVX DGEEVX SGEEV + balancing and condition estimation *> SSX DGEESX SGEES + balancing and condition estimation *> DBD DGESVD compute SVD of an M-by-N matrix A *> DGESDD compute SVD of an M-by-N matrix A (by divide and *> conquer) *> DGEJSV compute SVD of an M-by-N matrix A where M >= N *> \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. * *> \date November 2011 * *> \ingroup double_eig * * ===================================================================== SUBROUTINE DERRED( PATH, NUNIT ) * * -- LAPACK test routine (version 3.4.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * November 2011 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX DOUBLE PRECISION ONE, ZERO PARAMETER ( NMAX = 4, 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( 2*NMAX ) DOUBLE PRECISION A( NMAX, NMAX ), R1( NMAX ), R2( NMAX ), $ S( NMAX ), U( NMAX, NMAX ), VL( NMAX, NMAX ), $ VR( NMAX, NMAX ), VT( NMAX, NMAX ), $ W( 4*NMAX ), WI( NMAX ), WR( NMAX ) * .. * .. External Subroutines .. EXTERNAL CHKXER, DGEES, DGEESX, DGEEV, DGEEVX, DGEJSV, $ DGESDD, DGESVD * .. * .. External Functions .. LOGICAL DSLECT, LSAMEN EXTERNAL DSLECT, LSAMEN * .. * .. 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 DGEEV * SRNAMT = 'DGEEV ' INFOT = 1 CALL DGEEV( 'X', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1, W, 1, $ INFO ) CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEEV( 'N', 'X', 0, A, 1, WR, WI, VL, 1, VR, 1, W, 1, $ INFO ) CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEEV( 'N', 'N', -1, A, 1, WR, WI, VL, 1, VR, 1, W, 1, $ INFO ) CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEEV( 'N', 'N', 2, A, 1, WR, WI, VL, 1, VR, 1, W, 6, $ INFO ) CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DGEEV( 'V', 'N', 2, A, 2, WR, WI, VL, 1, VR, 1, W, 8, $ INFO ) CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DGEEV( 'N', 'V', 2, A, 2, WR, WI, VL, 1, VR, 1, W, 8, $ INFO ) CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DGEEV( 'V', 'V', 1, A, 1, WR, WI, VL, 1, VR, 1, W, 3, $ INFO ) CALL CHKXER( 'DGEEV ', INFOT, NOUT, LERR, OK ) NT = NT + 7 * ELSE IF( LSAMEN( 2, C2, 'ES' ) ) THEN * * Test DGEES * SRNAMT = 'DGEES ' INFOT = 1 CALL DGEES( 'X', 'N', DSLECT, 0, A, 1, SDIM, WR, WI, VL, 1, W, $ 1, B, INFO ) CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEES( 'N', 'X', DSLECT, 0, A, 1, SDIM, WR, WI, VL, 1, W, $ 1, B, INFO ) CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEES( 'N', 'S', DSLECT, -1, A, 1, SDIM, WR, WI, VL, 1, W, $ 1, B, INFO ) CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DGEES( 'N', 'S', DSLECT, 2, A, 1, SDIM, WR, WI, VL, 1, W, $ 6, B, INFO ) CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DGEES( 'V', 'S', DSLECT, 2, A, 2, SDIM, WR, WI, VL, 1, W, $ 6, B, INFO ) CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DGEES( 'N', 'S', DSLECT, 1, A, 1, SDIM, WR, WI, VL, 1, W, $ 2, B, INFO ) CALL CHKXER( 'DGEES ', INFOT, NOUT, LERR, OK ) NT = NT + 6 * ELSE IF( LSAMEN( 2, C2, 'VX' ) ) THEN * * Test DGEEVX * SRNAMT = 'DGEEVX' INFOT = 1 CALL DGEEVX( 'X', 'N', 'N', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEEVX( 'N', 'X', 'N', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEEVX( 'N', 'N', 'X', 'N', 0, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEEVX( 'N', 'N', 'N', 'X', 0, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEEVX( 'N', 'N', 'N', 'N', -1, A, 1, WR, WI, VL, 1, VR, $ 1, ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGEEVX( 'N', 'N', 'N', 'N', 2, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DGEEVX( 'N', 'V', 'N', 'N', 2, A, 2, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 6, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DGEEVX( 'N', 'N', 'V', 'N', 2, A, 2, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 6, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 21 CALL DGEEVX( 'N', 'N', 'N', 'N', 1, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 1, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 21 CALL DGEEVX( 'N', 'V', 'N', 'N', 1, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 2, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) INFOT = 21 CALL DGEEVX( 'N', 'N', 'V', 'V', 1, A, 1, WR, WI, VL, 1, VR, 1, $ ILO, IHI, S, ABNRM, R1, R2, W, 3, IW, INFO ) CALL CHKXER( 'DGEEVX', INFOT, NOUT, LERR, OK ) NT = NT + 11 * ELSE IF( LSAMEN( 2, C2, 'SX' ) ) THEN * * Test DGEESX * SRNAMT = 'DGEESX' INFOT = 1 CALL DGEESX( 'X', 'N', DSLECT, 'N', 0, A, 1, SDIM, WR, WI, VL, $ 1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO ) CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEESX( 'N', 'X', DSLECT, 'N', 0, A, 1, SDIM, WR, WI, VL, $ 1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO ) CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEESX( 'N', 'N', DSLECT, 'X', 0, A, 1, SDIM, WR, WI, VL, $ 1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO ) CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEESX( 'N', 'N', DSLECT, 'N', -1, A, 1, SDIM, WR, WI, VL, $ 1, R1( 1 ), R2( 1 ), W, 1, IW, 1, B, INFO ) CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGEESX( 'N', 'N', DSLECT, 'N', 2, A, 1, SDIM, WR, WI, VL, $ 1, R1( 1 ), R2( 1 ), W, 6, IW, 1, B, INFO ) CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DGEESX( 'V', 'N', DSLECT, 'N', 2, A, 2, SDIM, WR, WI, VL, $ 1, R1( 1 ), R2( 1 ), W, 6, IW, 1, B, INFO ) CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK ) INFOT = 16 CALL DGEESX( 'N', 'N', DSLECT, 'N', 1, A, 1, SDIM, WR, WI, VL, $ 1, R1( 1 ), R2( 1 ), W, 2, IW, 1, B, INFO ) CALL CHKXER( 'DGEESX', INFOT, NOUT, LERR, OK ) NT = NT + 7 * ELSE IF( LSAMEN( 2, C2, 'BD' ) ) THEN * * Test DGESVD * SRNAMT = 'DGESVD' INFOT = 1 CALL DGESVD( 'X', 'N', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGESVD( 'N', 'X', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGESVD( 'O', 'O', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGESVD( 'N', 'N', -1, 0, A, 1, S, U, 1, VT, 1, W, 1, $ INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGESVD( 'N', 'N', 0, -1, A, 1, S, U, 1, VT, 1, W, 1, $ INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DGESVD( 'N', 'N', 2, 1, A, 1, S, U, 1, VT, 1, W, 5, INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DGESVD( 'A', 'N', 2, 1, A, 2, S, U, 1, VT, 1, W, 5, INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DGESVD( 'N', 'A', 1, 2, A, 1, S, U, 1, VT, 1, W, 5, INFO ) CALL CHKXER( 'DGESVD', INFOT, NOUT, LERR, OK ) NT = 8 IF( OK ) THEN WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ), $ NT ELSE WRITE( NOUT, FMT = 9998 ) END IF * * Test DGESDD * SRNAMT = 'DGESDD' INFOT = 1 CALL DGESDD( 'X', 0, 0, A, 1, S, U, 1, VT, 1, W, 1, IW, INFO ) CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGESDD( 'N', -1, 0, A, 1, S, U, 1, VT, 1, W, 1, IW, INFO ) CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGESDD( 'N', 0, -1, A, 1, S, U, 1, VT, 1, W, 1, IW, INFO ) CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGESDD( 'N', 2, 1, A, 1, S, U, 1, VT, 1, W, 5, IW, INFO ) CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DGESDD( 'A', 2, 1, A, 2, S, U, 1, VT, 1, W, 5, IW, INFO ) CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGESDD( 'A', 1, 2, A, 1, S, U, 1, VT, 1, W, 5, IW, INFO ) CALL CHKXER( 'DGESDD', INFOT, NOUT, LERR, OK ) NT = 6 IF( OK ) THEN WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ), $ NT ELSE WRITE( NOUT, FMT = 9998 ) END IF * * Test DGEJSV * SRNAMT = 'DGEJSV' INFOT = 1 CALL DGEJSV( 'X', 'U', 'V', 'R', 'N', 'N', $ 0, 0, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEJSV( 'G', 'X', 'V', 'R', 'N', 'N', $ 0, 0, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEJSV( 'G', 'U', 'X', 'R', 'N', 'N', $ 0, 0, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEJSV( 'G', 'U', 'V', 'X', 'N', 'N', $ 0, 0, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEJSV( 'G', 'U', 'V', 'R', 'X', 'N', $ 0, 0, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'X', $ 0, 0, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N', $ -1, 0, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N', $ 0, -1, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N', $ 2, 1, A, 1, S, U, 1, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N', $ 2, 2, A, 2, S, U, 1, VT, 2, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL DGEJSV( 'G', 'U', 'V', 'R', 'N', 'N', $ 2, 2, A, 2, S, U, 2, VT, 1, $ W, 1, IW, INFO) CALL CHKXER( 'DGEJSV', INFOT, NOUT, LERR, OK ) NT = 11 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 DERRED END