SUBROUTINE SERRQR( PATH, NUNIT ) * * -- LAPACK test routine (version 3.1) -- * Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. * June 2010 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * Purpose * ======= * * SERRQR tests the error exits for the REAL routines * that use the QR 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 .. REAL A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ), \$ W( NMAX ), X( NMAX ) * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, SGEQR2, SGEQR2P, SGEQRF, \$ SGEQRFP, SGEQRS, SORG2R, SORGQR, SORM2R, \$ SORMQR * .. * .. 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 = * ) * * 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. W( J ) = 0. X( J ) = 0. 20 CONTINUE OK = .TRUE. * * Error exits for QR factorization * * SGEQRF * SRNAMT = 'SGEQRF' INFOT = 1 CALL SGEQRF( -1, 0, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGEQRF( 0, -1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGEQRF( 2, 1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SGEQRF( 1, 2, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRF', INFOT, NOUT, LERR, OK ) * * SGEQRFP * SRNAMT = 'SGEQRFP' INFOT = 1 CALL SGEQRFP( -1, 0, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGEQRFP( 0, -1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGEQRFP( 2, 1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SGEQRFP( 1, 2, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGEQRFP', INFOT, NOUT, LERR, OK ) * * SGEQR2 * SRNAMT = 'SGEQR2' INFOT = 1 CALL SGEQR2( -1, 0, A, 1, B, W, INFO ) CALL CHKXER( 'SGEQR2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGEQR2( 0, -1, A, 1, B, W, INFO ) CALL CHKXER( 'SGEQR2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGEQR2( 2, 1, A, 1, B, W, INFO ) CALL CHKXER( 'SGEQR2', INFOT, NOUT, LERR, OK ) * * SGEQR2P * SRNAMT = 'SGEQR2P' INFOT = 1 CALL SGEQR2P( -1, 0, A, 1, B, W, INFO ) CALL CHKXER( 'SGEQR2P', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGEQR2P( 0, -1, A, 1, B, W, INFO ) CALL CHKXER( 'SGEQR2P', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGEQR2P( 2, 1, A, 1, B, W, INFO ) CALL CHKXER( 'SGEQR2P', INFOT, NOUT, LERR, OK ) * * SGEQRS * SRNAMT = 'SGEQRS' INFOT = 1 CALL SGEQRS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGEQRS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGEQRS( 1, 2, 0, A, 2, X, B, 2, W, 1, INFO ) CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGEQRS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SGEQRS( 2, 1, 0, A, 1, X, B, 2, W, 1, INFO ) CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SGEQRS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SGEQRS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGEQRS', INFOT, NOUT, LERR, OK ) * * SORGQR * SRNAMT = 'SORGQR' INFOT = 1 CALL SORGQR( -1, 0, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORGQR( 0, -1, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORGQR( 1, 2, 0, A, 1, X, W, 2, INFO ) CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORGQR( 0, 0, -1, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORGQR( 1, 1, 2, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORGQR( 2, 2, 0, A, 1, X, W, 2, INFO ) CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SORGQR( 2, 2, 0, A, 2, X, W, 1, INFO ) CALL CHKXER( 'SORGQR', INFOT, NOUT, LERR, OK ) * * SORG2R * SRNAMT = 'SORG2R' INFOT = 1 CALL SORG2R( -1, 0, 0, A, 1, X, W, INFO ) CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORG2R( 0, -1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORG2R( 1, 2, 0, A, 1, X, W, INFO ) CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORG2R( 0, 0, -1, A, 1, X, W, INFO ) CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORG2R( 2, 1, 2, A, 2, X, W, INFO ) CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORG2R( 2, 1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'SORG2R', INFOT, NOUT, LERR, OK ) * * SORMQR * SRNAMT = 'SORMQR' INFOT = 1 CALL SORMQR( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORMQR( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORMQR( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SORMQR( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORMQR( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORMQR( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORMQR( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORMQR( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORMQR( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SORMQR( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL SORMQR( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL SORMQR( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'SORMQR', INFOT, NOUT, LERR, OK ) * * SORM2R * SRNAMT = 'SORM2R' INFOT = 1 CALL SORM2R( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORM2R( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORM2R( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SORM2R( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORM2R( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORM2R( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORM2R( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORM2R( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORM2R( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SORM2R( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO ) CALL CHKXER( 'SORM2R', INFOT, NOUT, LERR, OK ) * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of SERRQR * END