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SUBROUTINE ZERRLS( 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 * ======= * * ZERRLS tests the error exits for the COMPLEX*16 least squares * driver routines (ZGELS, CGELSS, CGELSX, CGELSY, CGELSD). * * 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, IRNK DOUBLE PRECISION RCOND * .. * .. Local Arrays .. INTEGER IP( NMAX ) DOUBLE PRECISION RW( NMAX ), S( NMAX ) COMPLEX*16 A( NMAX, NMAX ), B( NMAX, NMAX ), W( NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, ZGELS, ZGELSD, ZGELSS, ZGELSX, $ ZGELSY * .. * .. Scalars in Common .. LOGICAL LERR, OK CHARACTER*32 SRNAMT INTEGER INFOT, NOUT * .. * .. Common blocks .. COMMON / INFOC / INFOT, NOUT, OK, LERR COMMON / SRNAMC / SRNAMT * .. * .. Executable Statements .. * NOUT = NUNIT C2 = PATH( 2: 3 ) A( 1, 1 ) = ( 1.0D+0, 0.0D+0 ) A( 1, 2 ) = ( 2.0D+0, 0.0D+0 ) A( 2, 2 ) = ( 3.0D+0, 0.0D+0 ) A( 2, 1 ) = ( 4.0D+0, 0.0D+0 ) OK = .TRUE. WRITE( NOUT, FMT = * ) * * Test error exits for the least squares driver routines. * IF( LSAMEN( 2, C2, 'LS' ) ) THEN * * ZGELS * SRNAMT = 'ZGELS ' INFOT = 1 CALL ZGELS( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGELS( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGELS( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL ZGELS( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL ZGELS( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO ) CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL ZGELS( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO ) CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL ZGELS( 'N', 1, 1, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'ZGELS ', INFOT, NOUT, LERR, OK ) * * ZGELSS * SRNAMT = 'ZGELSS' INFOT = 1 CALL ZGELSS( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGELSS( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGELSS( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGELSS( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 2, RW, $ INFO ) CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL ZGELSS( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 2, RW, $ INFO ) CALL CHKXER( 'ZGELSS', INFOT, NOUT, LERR, OK ) * * ZGELSX * SRNAMT = 'ZGELSX' INFOT = 1 CALL ZGELSX( -1, 0, 0, A, 1, B, 1, IP, RCOND, IRNK, W, RW, $ INFO ) CALL CHKXER( 'ZGELSX', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGELSX( 0, -1, 0, A, 1, B, 1, IP, RCOND, IRNK, W, RW, $ INFO ) CALL CHKXER( 'ZGELSX', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGELSX( 0, 0, -1, A, 1, B, 1, IP, RCOND, IRNK, W, RW, $ INFO ) CALL CHKXER( 'ZGELSX', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGELSX( 2, 0, 0, A, 1, B, 2, IP, RCOND, IRNK, W, RW, $ INFO ) CALL CHKXER( 'ZGELSX', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL ZGELSX( 2, 0, 0, A, 2, B, 1, IP, RCOND, IRNK, W, RW, $ INFO ) CALL CHKXER( 'ZGELSX', INFOT, NOUT, LERR, OK ) * * ZGELSY * SRNAMT = 'ZGELSY' INFOT = 1 CALL ZGELSY( -1, 0, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGELSY( 0, -1, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGELSY( 0, 0, -1, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGELSY( 2, 0, 0, A, 1, B, 2, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL ZGELSY( 2, 0, 0, A, 2, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL ZGELSY( 0, 3, 0, A, 1, B, 3, IP, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'ZGELSY', INFOT, NOUT, LERR, OK ) * * ZGELSD * SRNAMT = 'ZGELSD' INFOT = 1 CALL ZGELSD( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, RW, $ IP, INFO ) CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL ZGELSD( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, RW, $ IP, INFO ) CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL ZGELSD( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 10, RW, $ IP, INFO ) CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL ZGELSD( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 10, RW, $ IP, INFO ) CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL ZGELSD( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 10, RW, $ IP, INFO ) CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL ZGELSD( 2, 2, 1, A, 2, B, 2, S, RCOND, IRNK, W, 1, RW, IP, $ INFO ) CALL CHKXER( 'ZGELSD', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of ZERRLS * END |