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299 lines
9.3 KiB
299 lines
9.3 KiB
2 years ago
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*> \brief \b CERRBD
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*
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* =========== DOCUMENTATION ===========
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*
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* Online html documentation available at
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* http://www.netlib.org/lapack/explore-html/
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*
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* Definition:
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* ===========
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*
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* SUBROUTINE CERRBD( PATH, NUNIT )
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*
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* .. Scalar Arguments ..
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* CHARACTER*3 PATH
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* INTEGER NUNIT
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* ..
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*
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*
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*> \par Purpose:
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* =============
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*>
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*> \verbatim
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*>
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*> CERRBD tests the error exits for CGEBD2, CGEBRD, CUNGBR, CUNMBR,
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*> and CBDSQR.
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*> \endverbatim
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*
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* Arguments:
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* ==========
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*
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*> \param[in] PATH
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*> \verbatim
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*> PATH is CHARACTER*3
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*> The LAPACK path name for the routines to be tested.
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*> \endverbatim
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*>
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*> \param[in] NUNIT
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*> \verbatim
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*> NUNIT is INTEGER
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*> The unit number for output.
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*> \endverbatim
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*
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* Authors:
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* ========
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*
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*> \author Univ. of Tennessee
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*> \author Univ. of California Berkeley
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*> \author Univ. of Colorado Denver
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*> \author NAG Ltd.
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*
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*> \ingroup complex_eig
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*
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* =====================================================================
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SUBROUTINE CERRBD( PATH, NUNIT )
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*
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* -- LAPACK test routine --
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* -- LAPACK is a software package provided by Univ. of Tennessee, --
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* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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*
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* .. Scalar Arguments ..
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CHARACTER*3 PATH
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INTEGER NUNIT
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* ..
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*
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* =====================================================================
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*
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* .. Parameters ..
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INTEGER NMAX, LW
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PARAMETER ( NMAX = 4, LW = NMAX )
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* ..
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* .. Local Scalars ..
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CHARACTER*2 C2
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INTEGER I, INFO, J, NT
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* ..
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* .. Local Arrays ..
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REAL D( NMAX ), E( NMAX ), RW( 4*NMAX )
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COMPLEX A( NMAX, NMAX ), TP( NMAX ), TQ( NMAX ),
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$ U( NMAX, NMAX ), V( NMAX, NMAX ), W( LW )
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* ..
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* .. External Functions ..
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LOGICAL LSAMEN
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EXTERNAL LSAMEN
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* ..
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* .. External Subroutines ..
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EXTERNAL CHKXER, CBDSQR, CGEBD2, CGEBRD, CUNGBR,
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$ CUNMBR
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* ..
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* .. Scalars in Common ..
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LOGICAL LERR, OK
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CHARACTER*32 SRNAMT
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INTEGER INFOT, NOUT
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* ..
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* .. Common blocks ..
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COMMON / INFOC / INFOT, NOUT, OK, LERR
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COMMON / SRNAMC / SRNAMT
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* ..
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* .. Intrinsic Functions ..
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INTRINSIC REAL
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* ..
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* .. Executable Statements ..
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*
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NOUT = NUNIT
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WRITE( NOUT, FMT = * )
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C2 = PATH( 2: 3 )
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*
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* Set the variables to innocuous values.
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*
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DO 20 J = 1, NMAX
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DO 10 I = 1, NMAX
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A( I, J ) = 1. / REAL( I+J )
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10 CONTINUE
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20 CONTINUE
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OK = .TRUE.
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NT = 0
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*
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* Test error exits of the SVD routines.
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*
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IF( LSAMEN( 2, C2, 'BD' ) ) THEN
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*
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* CGEBRD
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*
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SRNAMT = 'CGEBRD'
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INFOT = 1
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CALL CGEBRD( -1, 0, A, 1, D, E, TQ, TP, W, 1, INFO )
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CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CGEBRD( 0, -1, A, 1, D, E, TQ, TP, W, 1, INFO )
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CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CGEBRD( 2, 1, A, 1, D, E, TQ, TP, W, 2, INFO )
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CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL CGEBRD( 2, 1, A, 2, D, E, TQ, TP, W, 1, INFO )
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CALL CHKXER( 'CGEBRD', INFOT, NOUT, LERR, OK )
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NT = NT + 4
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*
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* CGEBD2
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*
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SRNAMT = 'CGEBD2'
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INFOT = 1
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CALL CGEBD2( -1, 0, A, 1, D, E, TQ, TP, W, INFO )
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CALL CHKXER( 'CGEBD2', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CGEBD2( 0, -1, A, 1, D, E, TQ, TP, W, INFO )
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CALL CHKXER( 'CGEBD2', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CGEBD2( 2, 1, A, 1, D, E, TQ, TP, W, INFO )
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CALL CHKXER( 'CGEBD2', INFOT, NOUT, LERR, OK )
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NT = NT + 3
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*
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* CUNGBR
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*
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SRNAMT = 'CUNGBR'
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INFOT = 1
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CALL CUNGBR( '/', 0, 0, 0, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CUNGBR( 'Q', -1, 0, 0, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CUNGBR( 'Q', 0, -1, 0, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CUNGBR( 'Q', 0, 1, 0, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CUNGBR( 'Q', 1, 0, 1, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CUNGBR( 'P', 1, 0, 0, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CUNGBR( 'P', 0, 1, 1, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CUNGBR( 'Q', 0, 0, -1, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL CUNGBR( 'Q', 2, 1, 1, A, 1, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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INFOT = 9
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CALL CUNGBR( 'Q', 2, 2, 1, A, 2, TQ, W, 1, INFO )
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CALL CHKXER( 'CUNGBR', INFOT, NOUT, LERR, OK )
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NT = NT + 10
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*
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* CUNMBR
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*
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SRNAMT = 'CUNMBR'
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INFOT = 1
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CALL CUNMBR( '/', 'L', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CUNMBR( 'Q', '/', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CUNMBR( 'Q', 'L', '/', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CUNMBR( 'Q', 'L', 'C', -1, 0, 0, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CUNMBR( 'Q', 'L', 'C', 0, -1, 0, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL CUNMBR( 'Q', 'L', 'C', 0, 0, -1, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL CUNMBR( 'Q', 'L', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL CUNMBR( 'Q', 'R', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL CUNMBR( 'P', 'L', 'C', 2, 0, 2, A, 1, TQ, U, 2, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL CUNMBR( 'P', 'R', 'C', 0, 2, 2, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 11
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CALL CUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 1, W, 1,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 13
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CALL CUNMBR( 'Q', 'L', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 0,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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INFOT = 13
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CALL CUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 0,
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$ INFO )
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CALL CHKXER( 'CUNMBR', INFOT, NOUT, LERR, OK )
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NT = NT + 13
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*
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* CBDSQR
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*
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SRNAMT = 'CBDSQR'
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INFOT = 1
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CALL CBDSQR( '/', 0, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CBDSQR( 'U', -1, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CBDSQR( 'U', 0, -1, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CBDSQR( 'U', 0, 0, -1, 0, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CBDSQR( 'U', 0, 0, 0, -1, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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INFOT = 9
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CALL CBDSQR( 'U', 2, 1, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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INFOT = 11
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CALL CBDSQR( 'U', 0, 0, 2, 0, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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INFOT = 13
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CALL CBDSQR( 'U', 2, 0, 0, 1, D, E, V, 1, U, 1, A, 1, RW,
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$ INFO )
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CALL CHKXER( 'CBDSQR', INFOT, NOUT, LERR, OK )
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NT = NT + 8
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END IF
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*
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* Print a summary line.
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*
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IF( OK ) THEN
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WRITE( NOUT, FMT = 9999 )PATH, NT
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ELSE
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WRITE( NOUT, FMT = 9998 )PATH
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END IF
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*
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9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits (',
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$ I3, ' tests done)' )
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9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ',
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$ 'exits ***' )
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*
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RETURN
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*
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* End of CERRBD
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*
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END
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