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cerrec.f
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cerrec.f
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*> \brief \b CERREC
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE CERREC( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> CERREC tests the error exits for the routines for eigen- condition
*> estimation for REAL matrices:
*> CTRSYL, CTRSYL3, CTREXC, CTRSNA and CTRSEN.
*> \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_eig
*
* =====================================================================
SUBROUTINE CERREC( 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, LW
PARAMETER ( NMAX = 4, LW = NMAX*( NMAX+2 ) )
REAL ONE, ZERO
PARAMETER ( ONE = 1.0E0, ZERO = 0.0E0 )
* ..
* .. Local Scalars ..
INTEGER I, IFST, ILST, INFO, J, M, NT
REAL SCALE
* ..
* .. Local Arrays ..
LOGICAL SEL( NMAX )
REAL RW( LW ), S( NMAX ), SEP( NMAX ), SWORK( NMAX )
COMPLEX A( NMAX, NMAX ), B( NMAX, NMAX ),
$ C( NMAX, NMAX ), WORK( LW ), X( NMAX )
* ..
* .. External Subroutines ..
EXTERNAL CHKXER, CTREXC, CTRSEN, CTRSNA, CTRSYL, CTRSYL3
* ..
* .. 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
OK = .TRUE.
NT = 0
*
* Initialize A, B and SEL
*
DO 20 J = 1, NMAX
DO 10 I = 1, NMAX
A( I, J ) = ZERO
B( I, J ) = ZERO
10 CONTINUE
20 CONTINUE
DO 30 I = 1, NMAX
A( I, I ) = ONE
SEL( I ) = .TRUE.
30 CONTINUE
*
* Test CTRSYL
*
SRNAMT = 'CTRSYL'
INFOT = 1
CALL CTRSYL( 'X', 'N', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CTRSYL( 'N', 'X', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL CTRSYL( 'N', 'N', 0, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CTRSYL( 'N', 'N', 1, -1, 0, A, 1, B, 1, C, 1, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL CTRSYL( 'N', 'N', 1, 0, -1, A, 1, B, 1, C, 1, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL CTRSYL( 'N', 'N', 1, 2, 0, A, 1, B, 1, C, 2, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL CTRSYL( 'N', 'N', 1, 0, 2, A, 1, B, 1, C, 1, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL CTRSYL( 'N', 'N', 1, 2, 0, A, 2, B, 1, C, 1, SCALE, INFO )
CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK )
NT = NT + 8
*
* Test CTRSYL3
*
SRNAMT = 'CTRSYL3'
INFOT = 1
CALL CTRSYL3( 'X', 'N', 1, 0, 0, A, 1, B, 1, C, 1, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CTRSYL3( 'N', 'X', 1, 0, 0, A, 1, B, 1, C, 1, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
INFOT = 3
CALL CTRSYL3( 'N', 'N', 0, 0, 0, A, 1, B, 1, C, 1, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CTRSYL3( 'N', 'N', 1, -1, 0, A, 1, B, 1, C, 1, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
INFOT = 5
CALL CTRSYL3( 'N', 'N', 1, 0, -1, A, 1, B, 1, C, 1, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL CTRSYL3( 'N', 'N', 1, 2, 0, A, 1, B, 1, C, 2, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL CTRSYL3( 'N', 'N', 1, 0, 2, A, 1, B, 1, C, 1, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
INFOT = 11
CALL CTRSYL3( 'N', 'N', 1, 2, 0, A, 2, B, 1, C, 1, SCALE,
$ SWORK, NMAX, INFO )
CALL CHKXER( 'CTRSYL3', INFOT, NOUT, LERR, OK )
NT = NT + 8
*
* Test CTREXC
*
SRNAMT = 'CTREXC'
IFST = 1
ILST = 1
INFOT = 1
CALL CTREXC( 'X', 1, A, 1, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CTREXC( 'N', -1, A, 1, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
INFOT = 4
ILST = 2
CALL CTREXC( 'N', 2, A, 1, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL CTREXC( 'V', 2, A, 2, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
INFOT = 7
IFST = 0
ILST = 1
CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
INFOT = 7
IFST = 2
CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
INFOT = 8
IFST = 1
ILST = 0
CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
INFOT = 8
ILST = 2
CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO )
CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK )
NT = NT + 8
*
* Test CTRSNA
*
SRNAMT = 'CTRSNA'
INFOT = 1
CALL CTRSNA( 'X', 'A', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M,
$ WORK, 1, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CTRSNA( 'B', 'X', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M,
$ WORK, 1, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CTRSNA( 'B', 'A', SEL, -1, A, 1, B, 1, C, 1, S, SEP, 1, M,
$ WORK, 1, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL CTRSNA( 'V', 'A', SEL, 2, A, 1, B, 1, C, 1, S, SEP, 2, M,
$ WORK, 2, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 1, C, 2, S, SEP, 2, M,
$ WORK, 2, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 10
CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 1, S, SEP, 2, M,
$ WORK, 2, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL CTRSNA( 'B', 'A', SEL, 1, A, 1, B, 1, C, 1, S, SEP, 0, M,
$ WORK, 1, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 13
CALL CTRSNA( 'B', 'S', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 1, M,
$ WORK, 1, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
INFOT = 16
CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 2, M,
$ WORK, 1, RW, INFO )
CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK )
NT = NT + 9
*
* Test CTRSEN
*
SEL( 1 ) = .FALSE.
SRNAMT = 'CTRSEN'
INFOT = 1
CALL CTRSEN( 'X', 'N', SEL, 0, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ),
$ WORK, 1, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL CTRSEN( 'N', 'X', SEL, 0, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ),
$ WORK, 1, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL CTRSEN( 'N', 'N', SEL, -1, A, 1, B, 1, X, M, S( 1 ),
$ SEP( 1 ), WORK, 1, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
INFOT = 6
CALL CTRSEN( 'N', 'N', SEL, 2, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ),
$ WORK, 2, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
INFOT = 8
CALL CTRSEN( 'N', 'V', SEL, 2, A, 2, B, 1, X, M, S( 1 ), SEP( 1 ),
$ WORK, 1, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
INFOT = 14
CALL CTRSEN( 'N', 'V', SEL, 2, A, 2, B, 2, X, M, S( 1 ), SEP( 1 ),
$ WORK, 0, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
INFOT = 14
CALL CTRSEN( 'E', 'V', SEL, 3, A, 3, B, 3, X, M, S( 1 ), SEP( 1 ),
$ WORK, 1, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
INFOT = 14
CALL CTRSEN( 'V', 'V', SEL, 3, A, 3, B, 3, X, M, S( 1 ), SEP( 1 ),
$ WORK, 3, INFO )
CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK )
NT = NT + 8
*
* Print a summary line.
*
IF( OK ) THEN
WRITE( NOUT, FMT = 9999 )PATH, NT
ELSE
WRITE( NOUT, FMT = 9998 )PATH
END IF
*
9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits (',
$ I3, ' tests done)' )
9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ',
$ 'exits ***' )
RETURN
*
* End of CERREC
*
END