*> \brief \b SERRSY * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE SERRSY( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> SERRSY tests the error exits for the REAL routines *> for symmetric indefinite matrices. *> \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 2015 * *> \ingroup single_lin * * ===================================================================== SUBROUTINE SERRSY( PATH, NUNIT ) * * -- LAPACK test routine (version 3.6.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * November 2015 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX PARAMETER ( NMAX = 4 ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, INFO, J REAL ANRM, RCOND * .. * .. Local Arrays .. INTEGER IP( NMAX ), IW( NMAX ) REAL A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ), $ R1( NMAX ), R2( NMAX ), W( 3*NMAX ), X( NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, SSPCON, SSYCON_ROOK, SSPRFS, $ SSPTRF, SSPTRI, SSPTRS, SSYCON, SSYRFS, SSYTF2, $ SSYTF2_ROOK, SSYTRF, SSYTRF_ROOK, SSYTRI, $ SSYTRI_ROOK, SSYTRI2, SSYTRS, SSYTRS_ROOK * .. * .. 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 ) AF( I, J ) = 1. / REAL( I+J ) 10 CONTINUE B( J ) = 0. R1( J ) = 0. R2( J ) = 0. W( J ) = 0. X( J ) = 0. IP( J ) = J IW( J ) = J 20 CONTINUE ANRM = 1.0 RCOND = 1.0 OK = .TRUE. * IF( LSAMEN( 2, C2, 'SY' ) ) THEN * * Test error exits of the routines that use factorization * of a symmetric indefinite matrix with patrial * (Bunch-Kaufman) pivoting. * * SSYTRF * SRNAMT = 'SSYTRF' INFOT = 1 CALL SSYTRF( '/', 0, A, 1, IP, W, 1, INFO ) CALL CHKXER( 'SSYTRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTRF( 'U', -1, A, 1, IP, W, 1, INFO ) CALL CHKXER( 'SSYTRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYTRF( 'U', 2, A, 1, IP, W, 4, INFO ) CALL CHKXER( 'SSYTRF', INFOT, NOUT, LERR, OK ) * * SSYTF2 * SRNAMT = 'SSYTF2' INFOT = 1 CALL SSYTF2( '/', 0, A, 1, IP, INFO ) CALL CHKXER( 'SSYTF2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTF2( 'U', -1, A, 1, IP, INFO ) CALL CHKXER( 'SSYTF2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYTF2( 'U', 2, A, 1, IP, INFO ) CALL CHKXER( 'SSYTF2', INFOT, NOUT, LERR, OK ) * * SSYTRI * SRNAMT = 'SSYTRI' INFOT = 1 CALL SSYTRI( '/', 0, A, 1, IP, W, INFO ) CALL CHKXER( 'SSYTRI', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTRI( 'U', -1, A, 1, IP, W, INFO ) CALL CHKXER( 'SSYTRI', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYTRI( 'U', 2, A, 1, IP, W, INFO ) CALL CHKXER( 'SSYTRI', INFOT, NOUT, LERR, OK ) * * SSYTRI2 * SRNAMT = 'SSYTRI2' INFOT = 1 CALL SSYTRI2( '/', 0, A, 1, IP, W, IW(1), INFO ) CALL CHKXER( 'SSYTRI2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTRI2( 'U', -1, A, 1, IP, W, IW(1), INFO ) CALL CHKXER( 'SSYTRI2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYTRI2( 'U', 2, A, 1, IP, W, IW(1), INFO ) CALL CHKXER( 'SSYTRI2', INFOT, NOUT, LERR, OK ) * * SSYTRS * SRNAMT = 'SSYTRS' INFOT = 1 CALL SSYTRS( '/', 0, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTRS( 'U', -1, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SSYTRS( 'U', 0, -1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SSYTRS( 'U', 2, 1, A, 1, IP, B, 2, INFO ) CALL CHKXER( 'SSYTRS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SSYTRS( 'U', 2, 1, A, 2, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS', INFOT, NOUT, LERR, OK ) * * SSYRFS * SRNAMT = 'SSYRFS' INFOT = 1 CALL SSYRFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SSYRFS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYRFS( 'U', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, $ W, IW, INFO ) CALL CHKXER( 'SSYRFS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SSYRFS( 'U', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, $ W, IW, INFO ) CALL CHKXER( 'SSYRFS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SSYRFS( 'U', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SSYRFS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SSYRFS( 'U', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SSYRFS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SSYRFS', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL SSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SSYRFS', INFOT, NOUT, LERR, OK ) * * SSYCON * SRNAMT = 'SSYCON' INFOT = 1 CALL SSYCON( '/', 0, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYCON( 'U', -1, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYCON( 'U', 2, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL SSYCON( 'U', 1, A, 1, IP, -1.0, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON', INFOT, NOUT, LERR, OK ) * ELSE IF( LSAMEN( 2, C2, 'SR' ) ) THEN * * Test error exits of the routines that use factorization * of a symmetric indefinite matrix with rook * (bounded Bunch-Kaufman) pivoting. * * SSYTRF_ROOK * SRNAMT = 'SSYTRF_ROOK' INFOT = 1 CALL SSYTRF_ROOK( '/', 0, A, 1, IP, W, 1, INFO ) CALL CHKXER( 'SSYTRF_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTRF_ROOK( 'U', -1, A, 1, IP, W, 1, INFO ) CALL CHKXER( 'SSYTRF_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYTRF_ROOK( 'U', 2, A, 1, IP, W, 4, INFO ) CALL CHKXER( 'SSYTRF_ROOK', INFOT, NOUT, LERR, OK ) * * SSYTF2_ROOK * SRNAMT = 'SSYTF2_ROOK' INFOT = 1 CALL SSYTF2_ROOK( '/', 0, A, 1, IP, INFO ) CALL CHKXER( 'SSYTF2_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTF2_ROOK( 'U', -1, A, 1, IP, INFO ) CALL CHKXER( 'SSYTF2_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYTF2_ROOK( 'U', 2, A, 1, IP, INFO ) CALL CHKXER( 'SSYTF2_ROOK', INFOT, NOUT, LERR, OK ) * * SSYTRI_ROOK * SRNAMT = 'SSYTRI_ROOK' INFOT = 1 CALL SSYTRI_ROOK( '/', 0, A, 1, IP, W, INFO ) CALL CHKXER( 'SSYTRI_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTRI_ROOK( 'U', -1, A, 1, IP, W, INFO ) CALL CHKXER( 'SSYTRI_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYTRI_ROOK( 'U', 2, A, 1, IP, W, INFO ) CALL CHKXER( 'SSYTRI_ROOK', INFOT, NOUT, LERR, OK ) * * SSYTRS_ROOK * SRNAMT = 'SSYTRS_ROOK' INFOT = 1 CALL SSYTRS_ROOK( '/', 0, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYTRS_ROOK( 'U', -1, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SSYTRS_ROOK( 'U', 0, -1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SSYTRS_ROOK( 'U', 2, 1, A, 1, IP, B, 2, INFO ) CALL CHKXER( 'SSYTRS_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SSYTRS_ROOK( 'U', 2, 1, A, 2, IP, B, 1, INFO ) CALL CHKXER( 'SSYTRS_ROOK', INFOT, NOUT, LERR, OK ) * * SSYCON_ROOK * SRNAMT = 'SSYCON_ROOK' INFOT = 1 CALL SSYCON_ROOK( '/', 0, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSYCON_ROOK( 'U', -1, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SSYCON_ROOK( 'U', 2, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON_ROOK', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL SSYCON_ROOK( 'U', 1, A, 1, IP, -1.0, RCOND, W, IW, INFO ) CALL CHKXER( 'SSYCON_ROOK', INFOT, NOUT, LERR, OK ) * * Test error exits of the routines that use factorization * of a symmetric indefinite packed matrix with patrial * (Bunch-Kaufman) pivoting. * ELSE IF( LSAMEN( 2, C2, 'SP' ) ) THEN * * SSPTRF * SRNAMT = 'SSPTRF' INFOT = 1 CALL SSPTRF( '/', 0, A, IP, INFO ) CALL CHKXER( 'SSPTRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSPTRF( 'U', -1, A, IP, INFO ) CALL CHKXER( 'SSPTRF', INFOT, NOUT, LERR, OK ) * * SSPTRI * SRNAMT = 'SSPTRI' INFOT = 1 CALL SSPTRI( '/', 0, A, IP, W, INFO ) CALL CHKXER( 'SSPTRI', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSPTRI( 'U', -1, A, IP, W, INFO ) CALL CHKXER( 'SSPTRI', INFOT, NOUT, LERR, OK ) * * SSPTRS * SRNAMT = 'SSPTRS' INFOT = 1 CALL SSPTRS( '/', 0, 0, A, IP, B, 1, INFO ) CALL CHKXER( 'SSPTRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSPTRS( 'U', -1, 0, A, IP, B, 1, INFO ) CALL CHKXER( 'SSPTRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SSPTRS( 'U', 0, -1, A, IP, B, 1, INFO ) CALL CHKXER( 'SSPTRS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SSPTRS( 'U', 2, 1, A, IP, B, 1, INFO ) CALL CHKXER( 'SSPTRS', INFOT, NOUT, LERR, OK ) * * SSPRFS * SRNAMT = 'SSPRFS' INFOT = 1 CALL SSPRFS( '/', 0, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, IW, $ INFO ) CALL CHKXER( 'SSPRFS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSPRFS( 'U', -1, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, IW, $ INFO ) CALL CHKXER( 'SSPRFS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SSPRFS( 'U', 0, -1, A, AF, IP, B, 1, X, 1, R1, R2, W, IW, $ INFO ) CALL CHKXER( 'SSPRFS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SSPRFS( 'U', 2, 1, A, AF, IP, B, 1, X, 2, R1, R2, W, IW, $ INFO ) CALL CHKXER( 'SSPRFS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SSPRFS( 'U', 2, 1, A, AF, IP, B, 2, X, 1, R1, R2, W, IW, $ INFO ) CALL CHKXER( 'SSPRFS', INFOT, NOUT, LERR, OK ) * * SSPCON * SRNAMT = 'SSPCON' INFOT = 1 CALL SSPCON( '/', 0, A, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSPCON', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SSPCON( 'U', -1, A, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SSPCON', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SSPCON( 'U', 1, A, IP, -1.0, RCOND, W, IW, INFO ) CALL CHKXER( 'SSPCON', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of SERRSY * END