*> \brief \b DERRHS * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE DERRHS( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> DERRHS tests the error exits for DGEBAK, SGEBAL, SGEHRD, DORGHR, *> DORMHR, DHSEQR, SHSEIN, and DTREVC. *> \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 DERRHS( 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 = 3, LW = ( NMAX+2 )*( NMAX+2 )+NMAX ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, IHI, ILO, INFO, J, M, NT * .. * .. Local Arrays .. LOGICAL SEL( NMAX ) INTEGER IFAILL( NMAX ), IFAILR( NMAX ) DOUBLE PRECISION A( NMAX, NMAX ), C( NMAX, NMAX ), S( NMAX ), $ TAU( NMAX ), VL( NMAX, NMAX ), $ VR( NMAX, NMAX ), W( LW ), WI( NMAX ), $ WR( NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL CHKXER, DGEBAK, DGEBAL, DGEHRD, DHSEIN, DHSEQR, $ DORGHR, DORMHR, DTREVC * .. * .. Intrinsic Functions .. INTRINSIC DBLE * .. * .. Scalars in Common .. LOGICAL LERR, OK CHARACTER*32 SRNAMT INTEGER INFOT, NOUT * .. * .. Common blocks .. COMMON / INFOC / INFOT, NOUT, OK, LERR COMMON / SRNAMC / SRNAMT * .. * .. 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 WI( J ) = DBLE( J ) SEL( J ) = .TRUE. 20 CONTINUE OK = .TRUE. NT = 0 * * Test error exits of the nonsymmetric eigenvalue routines. * IF( LSAMEN( 2, C2, 'HS' ) ) THEN * * DGEBAL * SRNAMT = 'DGEBAL' INFOT = 1 CALL DGEBAL( '/', 0, A, 1, ILO, IHI, S, INFO ) CALL CHKXER( 'DGEBAL', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEBAL( 'N', -1, A, 1, ILO, IHI, S, INFO ) CALL CHKXER( 'DGEBAL', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEBAL( 'N', 2, A, 1, ILO, IHI, S, INFO ) CALL CHKXER( 'DGEBAL', INFOT, NOUT, LERR, OK ) NT = NT + 3 * * DGEBAK * SRNAMT = 'DGEBAK' INFOT = 1 CALL DGEBAK( '/', 'R', 0, 1, 0, S, 0, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEBAK( 'N', '/', 0, 1, 0, S, 0, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEBAK( 'N', 'R', -1, 1, 0, S, 0, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEBAK( 'N', 'R', 0, 0, 0, S, 0, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEBAK( 'N', 'R', 0, 2, 0, S, 0, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEBAK( 'N', 'R', 2, 2, 1, S, 0, A, 2, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEBAK( 'N', 'R', 0, 1, 1, S, 0, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGEBAK( 'N', 'R', 0, 1, 0, S, -1, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DGEBAK( 'N', 'R', 2, 1, 2, S, 0, A, 1, INFO ) CALL CHKXER( 'DGEBAK', INFOT, NOUT, LERR, OK ) NT = NT + 9 * * DGEHRD * SRNAMT = 'DGEHRD' INFOT = 1 CALL DGEHRD( -1, 1, 1, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEHRD( 0, 0, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEHRD( 0, 2, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEHRD( 1, 1, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGEHRD( 0, 1, 1, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGEHRD( 2, 1, 1, A, 1, TAU, W, 2, INFO ) CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DGEHRD( 2, 1, 2, A, 2, TAU, W, 1, INFO ) CALL CHKXER( 'DGEHRD', INFOT, NOUT, LERR, OK ) NT = NT + 7 * * DORGHR * SRNAMT = 'DORGHR' INFOT = 1 CALL DORGHR( -1, 1, 1, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGHR( 0, 0, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGHR( 0, 2, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGHR( 1, 1, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGHR( 0, 1, 1, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORGHR( 2, 1, 1, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORGHR( 3, 1, 3, A, 3, TAU, W, 1, INFO ) CALL CHKXER( 'DORGHR', INFOT, NOUT, LERR, OK ) NT = NT + 7 * * DORMHR * SRNAMT = 'DORMHR' INFOT = 1 CALL DORMHR( '/', 'N', 0, 0, 1, 0, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORMHR( 'L', '/', 0, 0, 1, 0, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORMHR( 'L', 'N', -1, 0, 1, 0, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORMHR( 'L', 'N', 0, -1, 1, 0, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMHR( 'L', 'N', 0, 0, 0, 0, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMHR( 'L', 'N', 0, 0, 2, 0, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMHR( 'L', 'N', 1, 2, 2, 1, A, 1, TAU, C, 1, W, 2, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMHR( 'R', 'N', 2, 1, 2, 1, A, 1, TAU, C, 2, W, 2, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DORMHR( 'L', 'N', 1, 1, 1, 0, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DORMHR( 'L', 'N', 0, 1, 1, 1, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DORMHR( 'R', 'N', 1, 0, 1, 1, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORMHR( 'L', 'N', 2, 1, 1, 1, A, 1, TAU, C, 2, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORMHR( 'R', 'N', 1, 2, 1, 1, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DORMHR( 'L', 'N', 2, 1, 1, 1, A, 2, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DORMHR( 'L', 'N', 1, 2, 1, 1, A, 1, TAU, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DORMHR( 'R', 'N', 2, 1, 1, 1, A, 1, TAU, C, 2, W, 1, $ INFO ) CALL CHKXER( 'DORMHR', INFOT, NOUT, LERR, OK ) NT = NT + 16 * * DHSEQR * SRNAMT = 'DHSEQR' INFOT = 1 CALL DHSEQR( '/', 'N', 0, 1, 0, A, 1, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DHSEQR( 'E', '/', 0, 1, 0, A, 1, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DHSEQR( 'E', 'N', -1, 1, 0, A, 1, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DHSEQR( 'E', 'N', 0, 0, 0, A, 1, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DHSEQR( 'E', 'N', 0, 2, 0, A, 1, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DHSEQR( 'E', 'N', 1, 1, 0, A, 1, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DHSEQR( 'E', 'N', 1, 1, 2, A, 1, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DHSEQR( 'E', 'N', 2, 1, 2, A, 1, WR, WI, C, 2, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DHSEQR( 'E', 'V', 2, 1, 2, A, 2, WR, WI, C, 1, W, 1, $ INFO ) CALL CHKXER( 'DHSEQR', INFOT, NOUT, LERR, OK ) NT = NT + 9 * * DHSEIN * SRNAMT = 'DHSEIN' INFOT = 1 CALL DHSEIN( '/', 'N', 'N', SEL, 0, A, 1, WR, WI, VL, 1, VR, 1, $ 0, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DHSEIN( 'R', '/', 'N', SEL, 0, A, 1, WR, WI, VL, 1, VR, 1, $ 0, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DHSEIN( 'R', 'N', '/', SEL, 0, A, 1, WR, WI, VL, 1, VR, 1, $ 0, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DHSEIN( 'R', 'N', 'N', SEL, -1, A, 1, WR, WI, VL, 1, VR, $ 1, 0, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DHSEIN( 'R', 'N', 'N', SEL, 2, A, 1, WR, WI, VL, 1, VR, 2, $ 4, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DHSEIN( 'L', 'N', 'N', SEL, 2, A, 2, WR, WI, VL, 1, VR, 1, $ 4, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL DHSEIN( 'R', 'N', 'N', SEL, 2, A, 2, WR, WI, VL, 1, VR, 1, $ 4, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL DHSEIN( 'R', 'N', 'N', SEL, 2, A, 2, WR, WI, VL, 1, VR, 2, $ 1, M, W, IFAILL, IFAILR, INFO ) CALL CHKXER( 'DHSEIN', INFOT, NOUT, LERR, OK ) NT = NT + 8 * * DTREVC * SRNAMT = 'DTREVC' INFOT = 1 CALL DTREVC( '/', 'A', SEL, 0, A, 1, VL, 1, VR, 1, 0, M, W, $ INFO ) CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DTREVC( 'L', '/', SEL, 0, A, 1, VL, 1, VR, 1, 0, M, W, $ INFO ) CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DTREVC( 'L', 'A', SEL, -1, A, 1, VL, 1, VR, 1, 0, M, W, $ INFO ) CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DTREVC( 'L', 'A', SEL, 2, A, 1, VL, 2, VR, 1, 4, M, W, $ INFO ) CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DTREVC( 'L', 'A', SEL, 2, A, 2, VL, 1, VR, 1, 4, M, W, $ INFO ) CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DTREVC( 'R', 'A', SEL, 2, A, 2, VL, 1, VR, 1, 4, M, W, $ INFO ) CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL DTREVC( 'L', 'A', SEL, 2, A, 2, VL, 2, VR, 1, 1, M, W, $ INFO ) CALL CHKXER( 'DTREVC', INFOT, NOUT, LERR, OK ) NT = NT + 7 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 DERRHS * END