323 lines
11 KiB
Fortran
323 lines
11 KiB
Fortran
*> \brief \b DERREC
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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 DERREC( 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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*> DERREC tests the error exits for the routines for eigen- condition
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*> estimation for DOUBLE PRECISION matrices:
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*> DTRSYL, DTRSYL3, DTREXC, DTRSNA and DTRSEN.
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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 double_eig
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*
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* =====================================================================
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SUBROUTINE DERREC( 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
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DOUBLE PRECISION ONE, ZERO
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PARAMETER ( NMAX = 4, ONE = 1.0D0, ZERO = 0.0D0 )
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* ..
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* .. Local Scalars ..
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INTEGER I, IFST, ILST, INFO, J, M, NT
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DOUBLE PRECISION SCALE
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* ..
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* .. Local Arrays ..
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LOGICAL SEL( NMAX )
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INTEGER IWORK( NMAX )
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DOUBLE PRECISION A( NMAX, NMAX ), B( NMAX, NMAX ),
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$ C( NMAX, NMAX ), S( NMAX ), SEP( NMAX ),
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$ WI( NMAX ), WORK( NMAX ), WR( NMAX )
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* ..
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* .. External Subroutines ..
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EXTERNAL CHKXER, DTREXC, DTRSEN, DTRSNA, DTRSYL, DTRSYL3
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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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* .. Executable Statements ..
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*
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NOUT = NUNIT
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OK = .TRUE.
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NT = 0
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*
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* Initialize A, B and SEL
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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 ) = ZERO
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B( I, J ) = ZERO
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10 CONTINUE
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20 CONTINUE
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DO 30 I = 1, NMAX
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A( I, I ) = ONE
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SEL( I ) = .TRUE.
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30 CONTINUE
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*
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* Test DTRSYL
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*
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SRNAMT = 'DTRSYL'
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INFOT = 1
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CALL DTRSYL( 'X', 'N', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DTRSYL( 'N', 'X', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DTRSYL( 'N', 'N', 0, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL DTRSYL( 'N', 'N', 1, -1, 0, A, 1, B, 1, C, 1, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL DTRSYL( 'N', 'N', 1, 0, -1, A, 1, B, 1, C, 1, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL DTRSYL( 'N', 'N', 1, 2, 0, A, 1, B, 1, C, 2, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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INFOT = 9
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CALL DTRSYL( 'N', 'N', 1, 0, 2, A, 1, B, 1, C, 1, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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INFOT = 11
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CALL DTRSYL( 'N', 'N', 1, 2, 0, A, 2, B, 1, C, 1, SCALE, INFO )
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CALL CHKXER( 'DTRSYL', INFOT, NOUT, LERR, OK )
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NT = NT + 8
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*
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* Test DTRSYL3
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*
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SRNAMT = 'DTRSYL3'
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INFOT = 1
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CALL DTRSYL3( 'X', 'N', 1, 0, 0, A, 1, B, 1, C, 1, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DTRSYL3( 'N', 'X', 1, 0, 0, A, 1, B, 1, C, 1, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL DTRSYL3( 'N', 'N', 0, 0, 0, A, 1, B, 1, C, 1, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL DTRSYL3( 'N', 'N', 1, -1, 0, A, 1, B, 1, C, 1, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL DTRSYL3( 'N', 'N', 1, 0, -1, A, 1, B, 1, C, 1, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL DTRSYL3( 'N', 'N', 1, 2, 0, A, 1, B, 1, C, 2, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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INFOT = 9
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CALL DTRSYL3( 'N', 'N', 1, 0, 2, A, 1, B, 1, C, 1, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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INFOT = 11
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CALL DTRSYL3( 'N', 'N', 1, 2, 0, A, 2, B, 1, C, 1, SCALE,
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$ IWORK, NMAX, WORK, NMAX, INFO )
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CALL CHKXER( 'DTRSYL3', INFOT, NOUT, LERR, OK )
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NT = NT + 8
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*
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* Test DTREXC
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*
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SRNAMT = 'DTREXC'
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IFST = 1
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ILST = 1
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INFOT = 1
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CALL DTREXC( 'X', 1, A, 1, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DTREXC( 'N', -1, A, 1, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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INFOT = 4
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ILST = 2
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CALL DTREXC( 'N', 2, A, 1, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL DTREXC( 'V', 2, A, 2, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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INFOT = 7
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IFST = 0
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ILST = 1
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CALL DTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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INFOT = 7
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IFST = 2
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CALL DTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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INFOT = 8
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IFST = 1
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ILST = 0
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CALL DTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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INFOT = 8
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ILST = 2
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CALL DTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, WORK, INFO )
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CALL CHKXER( 'DTREXC', INFOT, NOUT, LERR, OK )
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NT = NT + 8
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*
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* Test DTRSNA
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*
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SRNAMT = 'DTRSNA'
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INFOT = 1
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CALL DTRSNA( 'X', 'A', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M,
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$ WORK, 1, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DTRSNA( 'B', 'X', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M,
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$ WORK, 1, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL DTRSNA( 'B', 'A', SEL, -1, A, 1, B, 1, C, 1, S, SEP, 1, M,
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$ WORK, 1, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL DTRSNA( 'V', 'A', SEL, 2, A, 1, B, 1, C, 1, S, SEP, 2, M,
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$ WORK, 2, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DTRSNA( 'B', 'A', SEL, 2, A, 2, B, 1, C, 2, S, SEP, 2, M,
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$ WORK, 2, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL DTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 1, S, SEP, 2, M,
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$ WORK, 2, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 13
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CALL DTRSNA( 'B', 'A', SEL, 1, A, 1, B, 1, C, 1, S, SEP, 0, M,
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$ WORK, 1, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 13
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CALL DTRSNA( 'B', 'S', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 1, M,
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$ WORK, 2, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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INFOT = 16
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CALL DTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 2, M,
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$ WORK, 1, IWORK, INFO )
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CALL CHKXER( 'DTRSNA', INFOT, NOUT, LERR, OK )
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NT = NT + 9
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*
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* Test DTRSEN
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*
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SEL( 1 ) = .FALSE.
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SRNAMT = 'DTRSEN'
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INFOT = 1
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CALL DTRSEN( 'X', 'N', SEL, 0, A, 1, B, 1, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 1, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL DTRSEN( 'N', 'X', SEL, 0, A, 1, B, 1, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 1, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL DTRSEN( 'N', 'N', SEL, -1, A, 1, B, 1, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 1, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL DTRSEN( 'N', 'N', SEL, 2, A, 1, B, 1, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 2, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL DTRSEN( 'N', 'V', SEL, 2, A, 2, B, 1, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 1, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 15
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CALL DTRSEN( 'N', 'V', SEL, 2, A, 2, B, 2, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 0, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 15
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CALL DTRSEN( 'E', 'V', SEL, 3, A, 3, B, 3, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 1, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 15
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CALL DTRSEN( 'V', 'V', SEL, 3, A, 3, B, 3, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 3, IWORK, 2, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 17
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CALL DTRSEN( 'E', 'V', SEL, 2, A, 2, B, 2, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 1, IWORK, 0, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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INFOT = 17
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CALL DTRSEN( 'V', 'V', SEL, 3, A, 3, B, 3, WR, WI, M, S( 1 ),
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$ SEP( 1 ), WORK, 4, IWORK, 1, INFO )
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CALL CHKXER( 'DTRSEN', INFOT, NOUT, LERR, OK )
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NT = NT + 10
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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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RETURN
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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 ex',
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$ 'its ***' )
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*
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* End of DERREC
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*
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END
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