SUBROUTINE DERRRQ( 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 * ======= * * DERRRQ tests the error exits for the DOUBLE PRECISION routines * that use the RQ decomposition of a general matrix. * * 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 .. INTEGER I, INFO, J * .. * .. Local Arrays .. DOUBLE PRECISION A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ), \$ W( NMAX ), X( NMAX ) * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, DGERQ2, DGERQF, DGERQS, DORGR2, \$ DORGRQ, DORMR2, DORMRQ * .. * .. 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 DBLE * .. * .. Executable Statements .. * NOUT = NUNIT WRITE( NOUT, FMT = * ) * * Set the variables to innocuous values. * DO 20 J = 1, NMAX DO 10 I = 1, NMAX A( I, J ) = 1.D0 / DBLE( I+J ) AF( I, J ) = 1.D0 / DBLE( I+J ) 10 CONTINUE B( J ) = 0.D0 W( J ) = 0.D0 X( J ) = 0.D0 20 CONTINUE OK = .TRUE. * * Error exits for RQ factorization * * DGERQF * SRNAMT = 'DGERQF' INFOT = 1 CALL DGERQF( -1, 0, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGERQF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGERQF( 0, -1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'DGERQF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGERQF( 2, 1, A, 1, B, W, 2, INFO ) CALL CHKXER( 'DGERQF', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGERQF( 2, 1, A, 2, B, W, 1, INFO ) CALL CHKXER( 'DGERQF', INFOT, NOUT, LERR, OK ) * * DGERQ2 * SRNAMT = 'DGERQ2' INFOT = 1 CALL DGERQ2( -1, 0, A, 1, B, W, INFO ) CALL CHKXER( 'DGERQ2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGERQ2( 0, -1, A, 1, B, W, INFO ) CALL CHKXER( 'DGERQ2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGERQ2( 2, 1, A, 1, B, W, INFO ) CALL CHKXER( 'DGERQ2', INFOT, NOUT, LERR, OK ) * * DGERQS * SRNAMT = 'DGERQS' INFOT = 1 CALL DGERQS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGERQS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGERQS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGERQS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGERQS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGERQS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGERQS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGERQS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGERQS( 2, 2, 0, A, 1, X, B, 2, W, 1, INFO ) CALL CHKXER( 'DGERQS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DGERQS( 2, 2, 0, A, 2, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGERQS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGERQS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'DGERQS', INFOT, NOUT, LERR, OK ) * * DORGRQ * SRNAMT = 'DORGRQ' INFOT = 1 CALL DORGRQ( -1, 0, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGRQ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGRQ( 0, -1, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGRQ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGRQ( 2, 1, 0, A, 2, X, W, 2, INFO ) CALL CHKXER( 'DORGRQ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGRQ( 0, 0, -1, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGRQ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGRQ( 1, 2, 2, A, 1, X, W, 1, INFO ) CALL CHKXER( 'DORGRQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORGRQ( 2, 2, 0, A, 1, X, W, 2, INFO ) CALL CHKXER( 'DORGRQ', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DORGRQ( 2, 2, 0, A, 2, X, W, 1, INFO ) CALL CHKXER( 'DORGRQ', INFOT, NOUT, LERR, OK ) * * DORGR2 * SRNAMT = 'DORGR2' INFOT = 1 CALL DORGR2( -1, 0, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORGR2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGR2( 0, -1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORGR2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORGR2( 2, 1, 0, A, 2, X, W, INFO ) CALL CHKXER( 'DORGR2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGR2( 0, 0, -1, A, 1, X, W, INFO ) CALL CHKXER( 'DORGR2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORGR2( 1, 2, 2, A, 2, X, W, INFO ) CALL CHKXER( 'DORGR2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORGR2( 2, 2, 0, A, 1, X, W, INFO ) CALL CHKXER( 'DORGR2', INFOT, NOUT, LERR, OK ) * * DORMRQ * SRNAMT = 'DORMRQ' INFOT = 1 CALL DORMRQ( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORMRQ( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORMRQ( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORMRQ( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMRQ( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMRQ( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMRQ( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMRQ( 'L', 'N', 2, 1, 2, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMRQ( 'R', 'N', 1, 2, 2, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DORMRQ( 'L', 'N', 2, 1, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DORMRQ( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DORMRQ( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'DORMRQ', INFOT, NOUT, LERR, OK ) * * DORMR2 * SRNAMT = 'DORMR2' INFOT = 1 CALL DORMR2( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DORMR2( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DORMR2( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DORMR2( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMR2( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMR2( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DORMR2( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMR2( 'L', 'N', 2, 1, 2, A, 1, X, AF, 2, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DORMR2( 'R', 'N', 1, 2, 2, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DORMR2( 'L', 'N', 2, 1, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'DORMR2', INFOT, NOUT, LERR, OK ) * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of DERRRQ * END