*> \brief \b CERRLS * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE CERRLS( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> CERRLS tests the error exits for the COMPLEX least squares *> driver routines (CGELS, CGELSS, CGELSY, CGELSD). *> \endverbatim * * Arguments: * ========== * *> \param[in] PATH *> \verbatim *> PATH is CHARACTER*3 *> The LAPACK path name for the routines to be tested. *> \endverbatim *> *> \param[in] NUNIT *> \verbatim *> NUNIT is INTEGER *> The unit number for output. *> \endverbatim * * Authors: * ======== * *> \author Univ. of Tennessee *> \author Univ. of California Berkeley *> \author Univ. of Colorado Denver *> \author NAG Ltd. * *> \ingroup complex_lin * * ===================================================================== SUBROUTINE CERRLS( PATH, NUNIT ) * * -- LAPACK test routine -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX PARAMETER ( NMAX = 2 ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER INFO, IRNK REAL RCOND * .. * .. Local Arrays .. INTEGER IP( NMAX ) REAL RW( NMAX ), S( NMAX ) COMPLEX A( NMAX, NMAX ), B( NMAX, NMAX ), W( NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL ALAESM, CGELS, CGELSD, CGELSS, CGELSY, CHKXER * .. * .. 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 ) = ( 1.0E+0, 0.0E+0 ) A( 1, 2 ) = ( 2.0E+0, 0.0E+0 ) A( 2, 2 ) = ( 3.0E+0, 0.0E+0 ) A( 2, 1 ) = ( 4.0E+0, 0.0E+0 ) OK = .TRUE. WRITE( NOUT, FMT = * ) * * Test error exits for the least squares driver routines. * IF( LSAMEN( 2, C2, 'LS' ) ) THEN * * CGELS * SRNAMT = 'CGELS ' INFOT = 1 CALL CGELS( '/', 0, 0, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGELS( 'N', -1, 0, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CGELS( 'N', 0, -1, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CGELS( 'N', 0, 0, -1, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL CGELS( 'N', 2, 0, 0, A, 1, B, 2, W, 2, INFO ) CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CGELS( 'N', 2, 0, 0, A, 2, B, 1, W, 2, INFO ) CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL CGELS( 'N', 1, 1, 0, A, 1, B, 1, W, 1, INFO ) CALL CHKXER( 'CGELS ', INFOT, NOUT, LERR, OK ) * * CGELSS * SRNAMT = 'CGELSS' INFOT = 1 CALL CGELSS( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGELSS( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CGELSS( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL CGELSS( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 2, RW, $ INFO ) CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL CGELSS( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 2, RW, $ INFO ) CALL CHKXER( 'CGELSS', INFOT, NOUT, LERR, OK ) * * CGELSY * SRNAMT = 'CGELSY' INFOT = 1 CALL CGELSY( -1, 0, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGELSY( 0, -1, 0, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CGELSY( 0, 0, -1, A, 1, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL CGELSY( 2, 0, 0, A, 1, B, 2, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL CGELSY( 2, 0, 0, A, 2, B, 1, IP, RCOND, IRNK, W, 10, RW, $ INFO ) CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL CGELSY( 0, 3, 0, A, 1, B, 3, IP, RCOND, IRNK, W, 1, RW, $ INFO ) CALL CHKXER( 'CGELSY', INFOT, NOUT, LERR, OK ) * * CGELSD * SRNAMT = 'CGELSD' INFOT = 1 CALL CGELSD( -1, 0, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, $ RW, IP, INFO ) CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGELSD( 0, -1, 0, A, 1, B, 1, S, RCOND, IRNK, W, 10, $ RW, IP, INFO ) CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL CGELSD( 0, 0, -1, A, 1, B, 1, S, RCOND, IRNK, W, 10, $ RW, IP, INFO ) CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL CGELSD( 2, 0, 0, A, 1, B, 2, S, RCOND, IRNK, W, 10, $ RW, IP, INFO ) CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL CGELSD( 2, 0, 0, A, 2, B, 1, S, RCOND, IRNK, W, 10, $ RW, IP, INFO ) CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL CGELSD( 2, 2, 1, A, 2, B, 2, S, RCOND, IRNK, W, 1, $ RW, IP, INFO ) CALL CHKXER( 'CGELSD', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of CERRLS * END