SUBROUTINE SERRLQ( 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 * ======= * * SERRLQ tests the error exits for the REAL routines * that use the LQ 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, SGELQ2, SGELQF, SGELQS, SORGL2, \$ SORGLQ, SORML2, SORMLQ * .. * .. 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 LQ factorization * * SGELQF * SRNAMT = 'SGELQF' INFOT = 1 CALL SGELQF( -1, 0, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGELQF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGELQF( 0, -1, A, 1, B, W, 1, INFO ) CALL CHKXER( 'SGELQF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGELQF( 2, 1, A, 1, B, W, 2, INFO ) CALL CHKXER( 'SGELQF', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SGELQF( 2, 1, A, 2, B, W, 1, INFO ) CALL CHKXER( 'SGELQF', INFOT, NOUT, LERR, OK ) * * SGELQ2 * SRNAMT = 'SGELQ2' INFOT = 1 CALL SGELQ2( -1, 0, A, 1, B, W, INFO ) CALL CHKXER( 'SGELQ2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGELQ2( 0, -1, A, 1, B, W, INFO ) CALL CHKXER( 'SGELQ2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGELQ2( 2, 1, A, 1, B, W, INFO ) CALL CHKXER( 'SGELQ2', INFOT, NOUT, LERR, OK ) * * SGELQS * SRNAMT = 'SGELQS' INFOT = 1 CALL SGELQS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGELQS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGELQS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGELQS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGELQS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGELQS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGELQS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGELQS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SGELQS( 2, 2, 0, A, 1, X, B, 2, W, 1, INFO ) CALL CHKXER( 'SGELQS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SGELQS( 1, 2, 0, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGELQS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SGELQS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO ) CALL CHKXER( 'SGELQS', INFOT, NOUT, LERR, OK ) * * SORGLQ * SRNAMT = 'SORGLQ' INFOT = 1 CALL SORGLQ( -1, 0, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGLQ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORGLQ( 0, -1, 0, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGLQ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORGLQ( 2, 1, 0, A, 2, X, W, 2, INFO ) CALL CHKXER( 'SORGLQ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORGLQ( 0, 0, -1, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGLQ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORGLQ( 1, 1, 2, A, 1, X, W, 1, INFO ) CALL CHKXER( 'SORGLQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORGLQ( 2, 2, 0, A, 1, X, W, 2, INFO ) CALL CHKXER( 'SORGLQ', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SORGLQ( 2, 2, 0, A, 2, X, W, 1, INFO ) CALL CHKXER( 'SORGLQ', INFOT, NOUT, LERR, OK ) * * SORGL2 * SRNAMT = 'SORGL2' INFOT = 1 CALL SORGL2( -1, 0, 0, A, 1, X, W, INFO ) CALL CHKXER( 'SORGL2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORGL2( 0, -1, 0, A, 1, X, W, INFO ) CALL CHKXER( 'SORGL2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORGL2( 2, 1, 0, A, 2, X, W, INFO ) CALL CHKXER( 'SORGL2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORGL2( 0, 0, -1, A, 1, X, W, INFO ) CALL CHKXER( 'SORGL2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORGL2( 1, 1, 2, A, 1, X, W, INFO ) CALL CHKXER( 'SORGL2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORGL2( 2, 2, 0, A, 1, X, W, INFO ) CALL CHKXER( 'SORGL2', INFOT, NOUT, LERR, OK ) * * SORMLQ * SRNAMT = 'SORMLQ' INFOT = 1 CALL SORMLQ( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORMLQ( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORMLQ( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SORMLQ( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORMLQ( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORMLQ( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORMLQ( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORMLQ( 'L', 'N', 2, 0, 2, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORMLQ( 'R', 'N', 0, 2, 2, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SORMLQ( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL SORMLQ( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL SORMLQ( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO ) CALL CHKXER( 'SORMLQ', INFOT, NOUT, LERR, OK ) * * SORML2 * SRNAMT = 'SORML2' INFOT = 1 CALL SORML2( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SORML2( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SORML2( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SORML2( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORML2( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORML2( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SORML2( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORML2( 'L', 'N', 2, 1, 2, A, 1, X, AF, 2, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SORML2( 'R', 'N', 1, 2, 2, A, 1, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SORML2( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO ) CALL CHKXER( 'SORML2', INFOT, NOUT, LERR, OK ) * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of SERRLQ * END