*> \brief \b CERRBD * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE CERRBD( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> CERRBD tests the error exits for CGEBRD, CUNGBR, CUNMBR, and CBDSQR. *> \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 complex_eig * * ===================================================================== SUBROUTINE CERRBD( 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, LW PARAMETER ( NMAX = 4, LW = NMAX ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, INFO, J, NT * .. * .. Local Arrays .. REAL D( NMAX ), E( NMAX ), RW( 4*NMAX ) COMPLEX A( NMAX, NMAX ), TP( NMAX ), TQ( NMAX ), $ U( NMAX, NMAX ), V( NMAX, NMAX ), W( LW ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL CBDSQR, CGEBRD, CHKXER, CUNGBR, CUNMBR * .. * .. 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 REAL * .. * .. 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. / REAL( I+J ) 10 CONTINUE 20 CONTINUE OK = .TRUE. NT = 0 * * Test error exits of the SVD routines. * IF( LSAMEN( 2, C2, 'BD' ) ) THEN * * CGEBRD * SRNAMT = 'CGEBRD' INFOT = 1 CALL CGEBRD( -1, 0, A, 1, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGEBRD( 0, -1, A, 1, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CGEBRD( 2, 1, A, 1, D, E, TQ, TP, W, 2, INFO ) CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL CGEBRD( 2, 1, A, 2, D, E, TQ, TP, W, 1, INFO ) CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK ) NT = NT + 4 * * CUNGBR * SRNAMT = 'CUNGBR' INFOT = 1 CALL CUNGBR( '/', 0, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CUNGBR( 'Q', -1, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CUNGBR( 'Q', 0, -1, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CUNGBR( 'Q', 0, 1, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CUNGBR( 'Q', 1, 0, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CUNGBR( 'P', 1, 0, 0, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CUNGBR( 'P', 0, 1, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CUNGBR( 'Q', 0, 0, -1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL CUNGBR( 'Q', 2, 1, 1, A, 1, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL CUNGBR( 'Q', 2, 2, 1, A, 2, TQ, W, 1, INFO ) CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK ) NT = NT + 10 * * CUNMBR * SRNAMT = 'CUNMBR' INFOT = 1 CALL CUNMBR( '/', 'L', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CUNMBR( 'Q', '/', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CUNMBR( 'Q', 'L', '/', 0, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CUNMBR( 'Q', 'L', 'C', -1, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL CUNMBR( 'Q', 'L', 'C', 0, -1, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL CUNMBR( 'Q', 'L', 'C', 0, 0, -1, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CUNMBR( 'Q', 'L', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CUNMBR( 'Q', 'R', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CUNMBR( 'P', 'L', 'C', 2, 0, 2, A, 1, TQ, U, 2, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CUNMBR( 'P', 'R', 'C', 0, 2, 2, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL CUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 1, W, 1, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL CUNMBR( 'Q', 'L', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 0, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL CUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 0, $ INFO ) CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK ) NT = NT + 13 * * CBDSQR * SRNAMT = 'CBDSQR' INFOT = 1 CALL CBDSQR( '/', 0, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CBDSQR( 'U', -1, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CBDSQR( 'U', 0, -1, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CBDSQR( 'U', 0, 0, -1, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL CBDSQR( 'U', 0, 0, 0, -1, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL CBDSQR( 'U', 2, 1, 0, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL CBDSQR( 'U', 0, 0, 2, 0, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL CBDSQR( 'U', 2, 0, 0, 1, D, E, V, 1, U, 1, A, 1, RW, $ INFO ) CALL CHKXER( 'CBDSQR', 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 CERRBD * END