SUBROUTINE CERREC( PATH, NUNIT ) * * -- LAPACK test routine (version 3.1) -- * Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. * November 2006 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * Purpose * ======= * * CERREC tests the error exits for the routines for eigen- condition * estimation for REAL matrices: * CTRSYL, CTREXC, CTRSNA and CTRSEN. * * Arguments * ========= * * PATH (input) CHARACTER*3 * The LAPACK path name for the routines to be tested. * * NUNIT (input) INTEGER * The unit number for output. * * ===================================================================== * * .. Parameters .. INTEGER NMAX, LW PARAMETER ( NMAX = 4, LW = NMAX*( NMAX+2 ) ) REAL ONE, ZERO PARAMETER ( ONE = 1.0E0, ZERO = 0.0E0 ) * .. * .. Local Scalars .. INTEGER I, IFST, ILST, INFO, J, M, NT REAL SCALE * .. * .. Local Arrays .. LOGICAL SEL( NMAX ) REAL RW( LW ), S( NMAX ), SEP( NMAX ) COMPLEX A( NMAX, NMAX ), B( NMAX, NMAX ), \$ C( NMAX, NMAX ), WORK( LW ), X( NMAX ) * .. * .. External Subroutines .. EXTERNAL CHKXER, CTREXC, CTRSEN, CTRSNA, CTRSYL * .. * .. 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 OK = .TRUE. NT = 0 * * Initialize A, B and SEL * DO 20 J = 1, NMAX DO 10 I = 1, NMAX A( I, J ) = ZERO B( I, J ) = ZERO 10 CONTINUE 20 CONTINUE DO 30 I = 1, NMAX A( I, I ) = ONE SEL( I ) = .TRUE. 30 CONTINUE * * Test CTRSYL * SRNAMT = 'CTRSYL' INFOT = 1 CALL CTRSYL( 'X', 'N', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CTRSYL( 'N', 'X', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CTRSYL( 'N', 'N', 0, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CTRSYL( 'N', 'N', 1, -1, 0, A, 1, B, 1, C, 1, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL CTRSYL( 'N', 'N', 1, 0, -1, A, 1, B, 1, C, 1, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL CTRSYL( 'N', 'N', 1, 2, 0, A, 1, B, 1, C, 2, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL CTRSYL( 'N', 'N', 1, 0, 2, A, 1, B, 1, C, 1, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) INFOT = 11 CALL CTRSYL( 'N', 'N', 1, 2, 0, A, 2, B, 1, C, 1, SCALE, INFO ) CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) NT = NT + 8 * * Test CTREXC * SRNAMT = 'CTREXC' IFST = 1 ILST = 1 INFOT = 1 CALL CTREXC( 'X', 1, A, 1, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL CTREXC( 'N', 0, A, 1, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) INFOT = 4 ILST = 2 CALL CTREXC( 'N', 2, A, 1, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL CTREXC( 'V', 2, A, 2, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) INFOT = 7 IFST = 0 ILST = 1 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) INFOT = 7 IFST = 2 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) INFOT = 8 IFST = 1 ILST = 0 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) INFOT = 8 ILST = 2 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) NT = NT + 8 * * Test CTRSNA * SRNAMT = 'CTRSNA' INFOT = 1 CALL CTRSNA( 'X', 'A', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M, \$ WORK, 1, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CTRSNA( 'B', 'X', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M, \$ WORK, 1, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CTRSNA( 'B', 'A', SEL, -1, A, 1, B, 1, C, 1, S, SEP, 1, M, \$ WORK, 1, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL CTRSNA( 'V', 'A', SEL, 2, A, 1, B, 1, C, 1, S, SEP, 2, M, \$ WORK, 2, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 1, C, 2, S, SEP, 2, M, \$ WORK, 2, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 1, S, SEP, 2, M, \$ WORK, 2, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL CTRSNA( 'B', 'A', SEL, 1, A, 1, B, 1, C, 1, S, SEP, 0, M, \$ WORK, 1, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 13 CALL CTRSNA( 'B', 'S', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 1, M, \$ WORK, 1, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) INFOT = 16 CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 2, M, \$ WORK, 1, RW, INFO ) CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) NT = NT + 9 * * Test CTRSEN * SEL( 1 ) = .FALSE. SRNAMT = 'CTRSEN' INFOT = 1 CALL CTRSEN( 'X', 'N', SEL, 0, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ), \$ WORK, 1, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CTRSEN( 'N', 'X', SEL, 0, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ), \$ WORK, 1, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CTRSEN( 'N', 'N', SEL, -1, A, 1, B, 1, X, M, S( 1 ), \$ SEP( 1 ), WORK, 1, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL CTRSEN( 'N', 'N', SEL, 2, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ), \$ WORK, 2, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CTRSEN( 'N', 'V', SEL, 2, A, 2, B, 1, X, M, S( 1 ), SEP( 1 ), \$ WORK, 1, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL CTRSEN( 'N', 'V', SEL, 2, A, 2, B, 2, X, M, S( 1 ), SEP( 1 ), \$ WORK, 0, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL CTRSEN( 'E', 'V', SEL, 3, A, 3, B, 3, X, M, S( 1 ), SEP( 1 ), \$ WORK, 1, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL CTRSEN( 'V', 'V', SEL, 3, A, 3, B, 3, X, M, S( 1 ), SEP( 1 ), \$ WORK, 3, INFO ) CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) NT = NT + 8 * * 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 CERREC * END