*> \brief \b DERRBD * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE DERRBD( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> DERRBD tests the error exits for DGEBD2, DGEBRD, DORGBR, DORMBR, *> DBDSQR, DBDSDC and DBDSVDX. *> \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 June 2016 * *> \ingroup double_eig * * ===================================================================== SUBROUTINE DERRBD( PATH, NUNIT ) * * -- LAPACK test routine (version 3.7.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * June 2016 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX, LW PARAMETER ( NMAX = 4, LW = NMAX ) DOUBLE PRECISION ZERO, ONE PARAMETER ( ZERO = 0.0D0, ONE = 1.0D0 ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, INFO, J, NS, NT * .. * .. Local Arrays .. INTEGER IQ( NMAX, NMAX ), IW( NMAX ) DOUBLE PRECISION A( NMAX, NMAX ), D( NMAX ), E( NMAX ), $ Q( NMAX, NMAX ), S( NMAX ), TP( NMAX ), $ TQ( NMAX ), U( NMAX, NMAX ), $ V( NMAX, NMAX ), W( LW ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL CHKXER, DBDSDC, DBDSQR, DBDSVDX, DGEBD2, $ DGEBRD, DORGBR, DORMBR * .. * .. 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 = * ) 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 * * DGEBRD * SRNAMT = 'DGEBRD' INFOT = 1 CALL DGEBRD( -1, 0, A, 1, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEBRD( 0, -1, A, 1, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEBRD( 2, 1, A, 1, D, E, TQ, TP, W, 2, INFO ) CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGEBRD( 2, 1, A, 2, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'DGEBRD', INFOT, NOUT, LERR, OK ) NT = NT + 4 * * DGEBD2 * SRNAMT = 'DGEBD2' INFOT = 1 CALL DGEBD2( -1, 0, A, 1, D, E, TQ, TP, W, INFO ) CALL CHKXER( 'DGEBD2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEBD2( 0, -1, A, 1, D, E, TQ, TP, W, INFO ) CALL CHKXER( 'DGEBD2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEBD2( 2, 1, A, 1, D, E, TQ, TP, W, INFO ) CALL CHKXER( 'DGEBD2', INFOT, NOUT, LERR, OK ) NT = NT + 3 * * DORGBR * SRNAMT = 'DORGBR' INFOT = 1 CALL DORGBR( '/', 0, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGBR( 'Q', -1, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGBR( 'Q', 0, -1, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGBR( 'Q', 0, 1, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGBR( 'Q', 1, 0, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGBR( 'P', 1, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGBR( 'P', 0, 1, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORGBR( 'Q', 0, 0, -1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DORGBR( 'Q', 2, 1, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DORGBR( 'Q', 2, 2, 1, A, 2, TQ, W, 1, INFO ) CALL CHKXER( 'DORGBR', INFOT, NOUT, LERR, OK ) NT = NT + 10 * * DORMBR * SRNAMT = 'DORMBR' INFOT = 1 CALL DORMBR( '/', 'L', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORMBR( 'Q', '/', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORMBR( 'Q', 'L', '/', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORMBR( 'Q', 'L', 'T', -1, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMBR( 'Q', 'L', 'T', 0, -1, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DORMBR( 'Q', 'L', 'T', 0, 0, -1, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORMBR( 'Q', 'L', 'T', 2, 0, 0, A, 1, TQ, U, 2, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORMBR( 'Q', 'R', 'T', 0, 2, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORMBR( 'P', 'L', 'T', 2, 0, 2, A, 1, TQ, U, 2, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORMBR( 'P', 'R', 'T', 0, 2, 2, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DORMBR( 'Q', 'R', 'T', 2, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DORMBR( 'Q', 'L', 'T', 0, 2, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DORMBR( 'Q', 'R', 'T', 2, 0, 0, A, 1, TQ, U, 2, W, 1, $ INFO ) CALL CHKXER( 'DORMBR', INFOT, NOUT, LERR, OK ) NT = NT + 13 * * DBDSQR * SRNAMT = 'DBDSQR' INFOT = 1 CALL DBDSQR( '/', 0, 0, 0, 0, D, E, V, 1, U, 1, A, 1, W, INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DBDSQR( 'U', -1, 0, 0, 0, D, E, V, 1, U, 1, A, 1, W, $ INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DBDSQR( 'U', 0, -1, 0, 0, D, E, V, 1, U, 1, A, 1, W, $ INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DBDSQR( 'U', 0, 0, -1, 0, D, E, V, 1, U, 1, A, 1, W, $ INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DBDSQR( 'U', 0, 0, 0, -1, D, E, V, 1, U, 1, A, 1, W, $ INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DBDSQR( 'U', 2, 1, 0, 0, D, E, V, 1, U, 1, A, 1, W, INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DBDSQR( 'U', 0, 0, 2, 0, D, E, V, 1, U, 1, A, 1, W, INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DBDSQR( 'U', 2, 0, 0, 1, D, E, V, 1, U, 1, A, 1, W, INFO ) CALL CHKXER( 'DBDSQR', INFOT, NOUT, LERR, OK ) NT = NT + 8 * * DBDSDC * SRNAMT = 'DBDSDC' INFOT = 1 CALL DBDSDC( '/', 'N', 0, D, E, U, 1, V, 1, Q, IQ, W, IW, $ INFO ) CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DBDSDC( 'U', '/', 0, D, E, U, 1, V, 1, Q, IQ, W, IW, $ INFO ) CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DBDSDC( 'U', 'N', -1, D, E, U, 1, V, 1, Q, IQ, W, IW, $ INFO ) CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DBDSDC( 'U', 'I', 2, D, E, U, 1, V, 1, Q, IQ, W, IW, $ INFO ) CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DBDSDC( 'U', 'I', 2, D, E, U, 2, V, 1, Q, IQ, W, IW, $ INFO ) CALL CHKXER( 'DBDSDC', INFOT, NOUT, LERR, OK ) NT = NT + 5 * * DBDSVDX * SRNAMT = 'DBDSVDX' INFOT = 1 CALL DBDSVDX( 'X', 'N', 'A', 1, D, E, ZERO, ONE, 0, 0, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DBDSVDX( 'U', 'X', 'A', 1, D, E, ZERO, ONE, 0, 0, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DBDSVDX( 'U', 'V', 'X', 1, D, E, ZERO, ONE, 0, 0, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DBDSVDX( 'U', 'V', 'A', -1, D, E, ZERO, ONE, 0, 0, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DBDSVDX( 'U', 'V', 'V', 2, D, E, -ONE, ZERO, 0, 0, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DBDSVDX( 'U', 'V', 'V', 2, D, E, ONE, ZERO, 0, 0, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DBDSVDX( 'L', 'V', 'I', 2, D, E, ZERO, ZERO, 0, 2, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 5, 2, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 3, 2, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DBDSVDX( 'L', 'V', 'I', 4, D, E, ZERO, ZERO, 3, 5, $ NS, S, Q, 1, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL DBDSVDX( 'L', 'V', 'A', 4, D, E, ZERO, ZERO, 0, 0, $ NS, S, Q, 0, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL DBDSVDX( 'L', 'V', 'A', 4, D, E, ZERO, ZERO, 0, 0, $ NS, S, Q, 2, W, IW, INFO) CALL CHKXER( 'DBDSVDX', INFOT, NOUT, LERR, OK ) NT = NT + 12 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 DERRBD * END