SUBROUTINE CERRQP( 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 * ======= * * CERRQP tests the error exits for CGEQPF and CGEQP3. * * 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 = 3 ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER INFO, LW * .. * .. Local Arrays .. INTEGER IP( NMAX ) REAL RW( 2*NMAX ) COMPLEX A( NMAX, NMAX ), TAU( NMAX ), $ W( 2*NMAX+3*NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL ALAESM, CGEQP3, CGEQPF, CHKXER * .. * .. 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 ) LW = NMAX + 1 A( 1, 1 ) = CMPLX( 1.0E+0, -1.0E+0 ) A( 1, 2 ) = CMPLX( 2.0E+0, -2.0E+0 ) A( 2, 2 ) = CMPLX( 3.0E+0, -3.0E+0 ) A( 2, 1 ) = CMPLX( 4.0E+0, -4.0E+0 ) OK = .TRUE. WRITE( NOUT, FMT = * ) * * Test error exits for QR factorization with pivoting * IF( LSAMEN( 2, C2, 'QP' ) ) THEN * * CGEQPF * SRNAMT = 'CGEQPF' INFOT = 1 CALL CGEQPF( -1, 0, A, 1, IP, TAU, W, RW, INFO ) CALL CHKXER( 'CGEQPF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGEQPF( 0, -1, A, 1, IP, TAU, W, RW, INFO ) CALL CHKXER( 'CGEQPF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CGEQPF( 2, 0, A, 1, IP, TAU, W, RW, INFO ) CALL CHKXER( 'CGEQPF', INFOT, NOUT, LERR, OK ) * * CGEQP3 * SRNAMT = 'CGEQP3' INFOT = 1 CALL CGEQP3( -1, 0, A, 1, IP, TAU, W, LW, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGEQP3( 1, -1, A, 1, IP, TAU, W, LW, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CGEQP3( 2, 3, A, 1, IP, TAU, W, LW, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CGEQP3( 2, 2, A, 2, IP, TAU, W, LW-10, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of CERRQP * END