SUBROUTINE CERRTZ( 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 * ======= * * CERRTZ tests the error exits for CTZRQF and CTZRZF. * * 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 PARAMETER ( NMAX = 2 ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER INFO * .. * .. Local Arrays .. COMPLEX A( NMAX, NMAX ), TAU( NMAX ), W( NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, CTZRQF, CTZRZF * .. * .. 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 CMPLX * .. * .. Executable Statements .. * NOUT = NUNIT C2 = PATH( 2: 3 ) A( 1, 1 ) = CMPLX( 1.E+0, -1.E+0 ) A( 1, 2 ) = CMPLX( 2.E+0, -2.E+0 ) A( 2, 2 ) = CMPLX( 3.E+0, -3.E+0 ) A( 2, 1 ) = CMPLX( 4.E+0, -4.E+0 ) W( 1 ) = CMPLX( 0.E+0, 0.E+0 ) W( 2 ) = CMPLX( 0.E+0, 0.E+0 ) OK = .TRUE. * * Test error exits for the trapezoidal routines. * WRITE( NOUT, FMT = * ) IF( LSAMEN( 2, C2, 'TZ' ) ) THEN * * CTZRQF * SRNAMT = 'CTZRQF' INFOT = 1 CALL CTZRQF( -1, 0, A, 1, TAU, INFO ) CALL CHKXER( 'CTZRQF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CTZRQF( 1, 0, A, 1, TAU, INFO ) CALL CHKXER( 'CTZRQF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CTZRQF( 2, 2, A, 1, TAU, INFO ) CALL CHKXER( 'CTZRQF', INFOT, NOUT, LERR, OK ) * * CTZRZF * SRNAMT = 'CTZRZF' INFOT = 1 CALL CTZRZF( -1, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CTZRZF( 1, 0, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CTZRZF( 2, 2, A, 1, TAU, W, 1, INFO ) CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL CTZRZF( 2, 2, A, 2, TAU, W, 1, INFO ) CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of CERRTZ * END