testdata/lapack/TESTING/LIN/cerrls.f
*> \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.
*
*> \date December 2016
*
*> \ingroup complex_lin
*
* =====================================================================
SUBROUTINE CERRLS( PATH, NUNIT )
*
* -- LAPACK test routine (version 3.7.0) --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* December 2016
*
* .. 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