You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
242 lines
6.9 KiB
242 lines
6.9 KiB
*> \brief \b DERRGT
|
|
*
|
|
* =========== DOCUMENTATION ===========
|
|
*
|
|
* Online html documentation available at
|
|
* http://www.netlib.org/lapack/explore-html/
|
|
*
|
|
* Definition:
|
|
* ===========
|
|
*
|
|
* SUBROUTINE DERRGT( PATH, NUNIT )
|
|
*
|
|
* .. Scalar Arguments ..
|
|
* CHARACTER*3 PATH
|
|
* INTEGER NUNIT
|
|
* ..
|
|
*
|
|
*
|
|
*> \par Purpose:
|
|
* =============
|
|
*>
|
|
*> \verbatim
|
|
*>
|
|
*> DERRGT tests the error exits for the DOUBLE PRECISION tridiagonal
|
|
*> routines.
|
|
*> \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 double_lin
|
|
*
|
|
* =====================================================================
|
|
SUBROUTINE DERRGT( 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
|
|
DOUBLE PRECISION ANORM, RCOND
|
|
* ..
|
|
* .. Local Arrays ..
|
|
INTEGER IP( NMAX ), IW( NMAX )
|
|
DOUBLE PRECISION B( NMAX ), C( NMAX ), CF( NMAX ), D( NMAX ),
|
|
$ DF( NMAX ), E( NMAX ), EF( NMAX ), F( NMAX ),
|
|
$ R1( NMAX ), R2( NMAX ), W( NMAX ), X( NMAX )
|
|
* ..
|
|
* .. External Functions ..
|
|
LOGICAL LSAMEN
|
|
EXTERNAL LSAMEN
|
|
* ..
|
|
* .. External Subroutines ..
|
|
EXTERNAL ALAESM, CHKXER, DGTCON, DGTRFS, DGTTRF, DGTTRS,
|
|
$ DPTCON, DPTRFS, DPTTRF, DPTTRS
|
|
* ..
|
|
* .. 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
|
|
WRITE( NOUT, FMT = * )
|
|
C2 = PATH( 2: 3 )
|
|
D( 1 ) = 1.D0
|
|
D( 2 ) = 2.D0
|
|
DF( 1 ) = 1.D0
|
|
DF( 2 ) = 2.D0
|
|
E( 1 ) = 3.D0
|
|
E( 2 ) = 4.D0
|
|
EF( 1 ) = 3.D0
|
|
EF( 2 ) = 4.D0
|
|
ANORM = 1.0D0
|
|
OK = .TRUE.
|
|
*
|
|
IF( LSAMEN( 2, C2, 'GT' ) ) THEN
|
|
*
|
|
* Test error exits for the general tridiagonal routines.
|
|
*
|
|
* DGTTRF
|
|
*
|
|
SRNAMT = 'DGTTRF'
|
|
INFOT = 1
|
|
CALL DGTTRF( -1, C, D, E, F, IP, INFO )
|
|
CALL CHKXER( 'DGTTRF', INFOT, NOUT, LERR, OK )
|
|
*
|
|
* DGTTRS
|
|
*
|
|
SRNAMT = 'DGTTRS'
|
|
INFOT = 1
|
|
CALL DGTTRS( '/', 0, 0, C, D, E, F, IP, X, 1, INFO )
|
|
CALL CHKXER( 'DGTTRS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 2
|
|
CALL DGTTRS( 'N', -1, 0, C, D, E, F, IP, X, 1, INFO )
|
|
CALL CHKXER( 'DGTTRS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 3
|
|
CALL DGTTRS( 'N', 0, -1, C, D, E, F, IP, X, 1, INFO )
|
|
CALL CHKXER( 'DGTTRS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 10
|
|
CALL DGTTRS( 'N', 2, 1, C, D, E, F, IP, X, 1, INFO )
|
|
CALL CHKXER( 'DGTTRS', INFOT, NOUT, LERR, OK )
|
|
*
|
|
* DGTRFS
|
|
*
|
|
SRNAMT = 'DGTRFS'
|
|
INFOT = 1
|
|
CALL DGTRFS( '/', 0, 0, C, D, E, CF, DF, EF, F, IP, B, 1, X, 1,
|
|
$ R1, R2, W, IW, INFO )
|
|
CALL CHKXER( 'DGTRFS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 2
|
|
CALL DGTRFS( 'N', -1, 0, C, D, E, CF, DF, EF, F, IP, B, 1, X,
|
|
$ 1, R1, R2, W, IW, INFO )
|
|
CALL CHKXER( 'DGTRFS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 3
|
|
CALL DGTRFS( 'N', 0, -1, C, D, E, CF, DF, EF, F, IP, B, 1, X,
|
|
$ 1, R1, R2, W, IW, INFO )
|
|
CALL CHKXER( 'DGTRFS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 13
|
|
CALL DGTRFS( 'N', 2, 1, C, D, E, CF, DF, EF, F, IP, B, 1, X, 2,
|
|
$ R1, R2, W, IW, INFO )
|
|
CALL CHKXER( 'DGTRFS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 15
|
|
CALL DGTRFS( 'N', 2, 1, C, D, E, CF, DF, EF, F, IP, B, 2, X, 1,
|
|
$ R1, R2, W, IW, INFO )
|
|
CALL CHKXER( 'DGTRFS', INFOT, NOUT, LERR, OK )
|
|
*
|
|
* DGTCON
|
|
*
|
|
SRNAMT = 'DGTCON'
|
|
INFOT = 1
|
|
CALL DGTCON( '/', 0, C, D, E, F, IP, ANORM, RCOND, W, IW,
|
|
$ INFO )
|
|
CALL CHKXER( 'DGTCON', INFOT, NOUT, LERR, OK )
|
|
INFOT = 2
|
|
CALL DGTCON( 'I', -1, C, D, E, F, IP, ANORM, RCOND, W, IW,
|
|
$ INFO )
|
|
CALL CHKXER( 'DGTCON', INFOT, NOUT, LERR, OK )
|
|
INFOT = 8
|
|
CALL DGTCON( 'I', 0, C, D, E, F, IP, -ANORM, RCOND, W, IW,
|
|
$ INFO )
|
|
CALL CHKXER( 'DGTCON', INFOT, NOUT, LERR, OK )
|
|
*
|
|
ELSE IF( LSAMEN( 2, C2, 'PT' ) ) THEN
|
|
*
|
|
* Test error exits for the positive definite tridiagonal
|
|
* routines.
|
|
*
|
|
* DPTTRF
|
|
*
|
|
SRNAMT = 'DPTTRF'
|
|
INFOT = 1
|
|
CALL DPTTRF( -1, D, E, INFO )
|
|
CALL CHKXER( 'DPTTRF', INFOT, NOUT, LERR, OK )
|
|
*
|
|
* DPTTRS
|
|
*
|
|
SRNAMT = 'DPTTRS'
|
|
INFOT = 1
|
|
CALL DPTTRS( -1, 0, D, E, X, 1, INFO )
|
|
CALL CHKXER( 'DPTTRS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 2
|
|
CALL DPTTRS( 0, -1, D, E, X, 1, INFO )
|
|
CALL CHKXER( 'DPTTRS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 6
|
|
CALL DPTTRS( 2, 1, D, E, X, 1, INFO )
|
|
CALL CHKXER( 'DPTTRS', INFOT, NOUT, LERR, OK )
|
|
*
|
|
* DPTRFS
|
|
*
|
|
SRNAMT = 'DPTRFS'
|
|
INFOT = 1
|
|
CALL DPTRFS( -1, 0, D, E, DF, EF, B, 1, X, 1, R1, R2, W, INFO )
|
|
CALL CHKXER( 'DPTRFS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 2
|
|
CALL DPTRFS( 0, -1, D, E, DF, EF, B, 1, X, 1, R1, R2, W, INFO )
|
|
CALL CHKXER( 'DPTRFS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 8
|
|
CALL DPTRFS( 2, 1, D, E, DF, EF, B, 1, X, 2, R1, R2, W, INFO )
|
|
CALL CHKXER( 'DPTRFS', INFOT, NOUT, LERR, OK )
|
|
INFOT = 10
|
|
CALL DPTRFS( 2, 1, D, E, DF, EF, B, 2, X, 1, R1, R2, W, INFO )
|
|
CALL CHKXER( 'DPTRFS', INFOT, NOUT, LERR, OK )
|
|
*
|
|
* DPTCON
|
|
*
|
|
SRNAMT = 'DPTCON'
|
|
INFOT = 1
|
|
CALL DPTCON( -1, D, E, ANORM, RCOND, W, INFO )
|
|
CALL CHKXER( 'DPTCON', INFOT, NOUT, LERR, OK )
|
|
INFOT = 4
|
|
CALL DPTCON( 0, D, E, -ANORM, RCOND, W, INFO )
|
|
CALL CHKXER( 'DPTCON', INFOT, NOUT, LERR, OK )
|
|
END IF
|
|
*
|
|
* Print a summary line.
|
|
*
|
|
CALL ALAESM( PATH, OK, NOUT )
|
|
*
|
|
RETURN
|
|
*
|
|
* End of DERRGT
|
|
*
|
|
END
|
|
|