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.
262 lines
6.9 KiB
262 lines
6.9 KiB
2 years ago
|
*> \brief \b DDRVRF2
|
||
|
*
|
||
|
* =========== DOCUMENTATION ===========
|
||
|
*
|
||
|
* Online html documentation available at
|
||
|
* http://www.netlib.org/lapack/explore-html/
|
||
|
*
|
||
|
* Definition:
|
||
|
* ===========
|
||
|
*
|
||
|
* SUBROUTINE DDRVRF2( NOUT, NN, NVAL, A, LDA, ARF, AP, ASAV )
|
||
|
*
|
||
|
* .. Scalar Arguments ..
|
||
|
* INTEGER LDA, NN, NOUT
|
||
|
* ..
|
||
|
* .. Array Arguments ..
|
||
|
* INTEGER NVAL( NN )
|
||
|
* DOUBLE PRECISION A( LDA, * ), ARF( * ), AP(*), ASAV( LDA, * )
|
||
|
* ..
|
||
|
*
|
||
|
*
|
||
|
*> \par Purpose:
|
||
|
* =============
|
||
|
*>
|
||
|
*> \verbatim
|
||
|
*>
|
||
|
*> DDRVRF2 tests the LAPACK RFP conversion routines.
|
||
|
*> \endverbatim
|
||
|
*
|
||
|
* Arguments:
|
||
|
* ==========
|
||
|
*
|
||
|
*> \param[in] NOUT
|
||
|
*> \verbatim
|
||
|
*> NOUT is INTEGER
|
||
|
*> The unit number for output.
|
||
|
*> \endverbatim
|
||
|
*>
|
||
|
*> \param[in] NN
|
||
|
*> \verbatim
|
||
|
*> NN is INTEGER
|
||
|
*> The number of values of N contained in the vector NVAL.
|
||
|
*> \endverbatim
|
||
|
*>
|
||
|
*> \param[in] NVAL
|
||
|
*> \verbatim
|
||
|
*> NVAL is INTEGER array, dimension (NN)
|
||
|
*> The values of the matrix dimension N.
|
||
|
*> \endverbatim
|
||
|
*>
|
||
|
*> \param[out] A
|
||
|
*> \verbatim
|
||
|
*> A is DOUBLE PRECISION array, dimension (LDA,NMAX)
|
||
|
*> \endverbatim
|
||
|
*>
|
||
|
*> \param[in] LDA
|
||
|
*> \verbatim
|
||
|
*> LDA is INTEGER
|
||
|
*> The leading dimension of the array A. LDA >= max(1,NMAX).
|
||
|
*> \endverbatim
|
||
|
*>
|
||
|
*> \param[out] ARF
|
||
|
*> \verbatim
|
||
|
*> ARF is DOUBLE PRECISION array, dimension ((NMAX*(NMAX+1))/2).
|
||
|
*> \endverbatim
|
||
|
*>
|
||
|
*> \param[out] AP
|
||
|
*> \verbatim
|
||
|
*> AP is DOUBLE PRECISION array, dimension ((NMAX*(NMAX+1))/2).
|
||
|
*> \endverbatim
|
||
|
*>
|
||
|
*> \param[out] ASAV
|
||
|
*> \verbatim
|
||
|
*> ASAV is DOUBLE PRECISION array, dimension (LDA,NMAX)
|
||
|
*> \endverbatim
|
||
|
*
|
||
|
* Authors:
|
||
|
* ========
|
||
|
*
|
||
|
*> \author Univ. of Tennessee
|
||
|
*> \author Univ. of California Berkeley
|
||
|
*> \author Univ. of Colorado Denver
|
||
|
*> \author NAG Ltd.
|
||
|
*
|
||
|
*> \ingroup double_lin
|
||
|
*
|
||
|
* =====================================================================
|
||
|
SUBROUTINE DDRVRF2( NOUT, NN, NVAL, A, LDA, ARF, AP, ASAV )
|
||
|
*
|
||
|
* -- 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 ..
|
||
|
INTEGER LDA, NN, NOUT
|
||
|
* ..
|
||
|
* .. Array Arguments ..
|
||
|
INTEGER NVAL( NN )
|
||
|
DOUBLE PRECISION A( LDA, * ), ARF( * ), AP(*), ASAV( LDA, * )
|
||
|
* ..
|
||
|
*
|
||
|
* =====================================================================
|
||
|
* ..
|
||
|
* .. Local Scalars ..
|
||
|
LOGICAL LOWER, OK1, OK2
|
||
|
CHARACTER UPLO, CFORM
|
||
|
INTEGER I, IFORM, IIN, INFO, IUPLO, J, N,
|
||
|
+ NERRS, NRUN
|
||
|
* ..
|
||
|
* .. Local Arrays ..
|
||
|
CHARACTER UPLOS( 2 ), FORMS( 2 )
|
||
|
INTEGER ISEED( 4 ), ISEEDY( 4 )
|
||
|
* ..
|
||
|
* .. External Functions ..
|
||
|
DOUBLE PRECISION DLARND
|
||
|
EXTERNAL DLARND
|
||
|
* ..
|
||
|
* .. External Subroutines ..
|
||
|
EXTERNAL DTFTTR, DTFTTP, DTRTTF, DTRTTP, DTPTTR, DTPTTF
|
||
|
* ..
|
||
|
* .. Scalars in Common ..
|
||
|
CHARACTER*32 SRNAMT
|
||
|
* ..
|
||
|
* .. Common blocks ..
|
||
|
COMMON / SRNAMC / SRNAMT
|
||
|
* ..
|
||
|
* .. Data statements ..
|
||
|
DATA ISEEDY / 1988, 1989, 1990, 1991 /
|
||
|
DATA UPLOS / 'U', 'L' /
|
||
|
DATA FORMS / 'N', 'T' /
|
||
|
* ..
|
||
|
* .. Executable Statements ..
|
||
|
*
|
||
|
* Initialize constants and the random number seed.
|
||
|
*
|
||
|
NRUN = 0
|
||
|
NERRS = 0
|
||
|
INFO = 0
|
||
|
DO 10 I = 1, 4
|
||
|
ISEED( I ) = ISEEDY( I )
|
||
|
10 CONTINUE
|
||
|
*
|
||
|
DO 120 IIN = 1, NN
|
||
|
*
|
||
|
N = NVAL( IIN )
|
||
|
*
|
||
|
* Do first for UPLO = 'U', then for UPLO = 'L'
|
||
|
*
|
||
|
DO 110 IUPLO = 1, 2
|
||
|
*
|
||
|
UPLO = UPLOS( IUPLO )
|
||
|
LOWER = .TRUE.
|
||
|
IF ( IUPLO.EQ.1 ) LOWER = .FALSE.
|
||
|
*
|
||
|
* Do first for CFORM = 'N', then for CFORM = 'T'
|
||
|
*
|
||
|
DO 100 IFORM = 1, 2
|
||
|
*
|
||
|
CFORM = FORMS( IFORM )
|
||
|
*
|
||
|
NRUN = NRUN + 1
|
||
|
*
|
||
|
DO J = 1, N
|
||
|
DO I = 1, N
|
||
|
A( I, J) = DLARND( 2, ISEED )
|
||
|
END DO
|
||
|
END DO
|
||
|
*
|
||
|
SRNAMT = 'DTRTTF'
|
||
|
CALL DTRTTF( CFORM, UPLO, N, A, LDA, ARF, INFO )
|
||
|
*
|
||
|
SRNAMT = 'DTFTTP'
|
||
|
CALL DTFTTP( CFORM, UPLO, N, ARF, AP, INFO )
|
||
|
*
|
||
|
SRNAMT = 'DTPTTR'
|
||
|
CALL DTPTTR( UPLO, N, AP, ASAV, LDA, INFO )
|
||
|
*
|
||
|
OK1 = .TRUE.
|
||
|
IF ( LOWER ) THEN
|
||
|
DO J = 1, N
|
||
|
DO I = J, N
|
||
|
IF ( A(I,J).NE.ASAV(I,J) ) THEN
|
||
|
OK1 = .FALSE.
|
||
|
END IF
|
||
|
END DO
|
||
|
END DO
|
||
|
ELSE
|
||
|
DO J = 1, N
|
||
|
DO I = 1, J
|
||
|
IF ( A(I,J).NE.ASAV(I,J) ) THEN
|
||
|
OK1 = .FALSE.
|
||
|
END IF
|
||
|
END DO
|
||
|
END DO
|
||
|
END IF
|
||
|
*
|
||
|
NRUN = NRUN + 1
|
||
|
*
|
||
|
SRNAMT = 'DTRTTP'
|
||
|
CALL DTRTTP( UPLO, N, A, LDA, AP, INFO )
|
||
|
*
|
||
|
SRNAMT = 'DTPTTF'
|
||
|
CALL DTPTTF( CFORM, UPLO, N, AP, ARF, INFO )
|
||
|
*
|
||
|
SRNAMT = 'DTFTTR'
|
||
|
CALL DTFTTR( CFORM, UPLO, N, ARF, ASAV, LDA, INFO )
|
||
|
*
|
||
|
OK2 = .TRUE.
|
||
|
IF ( LOWER ) THEN
|
||
|
DO J = 1, N
|
||
|
DO I = J, N
|
||
|
IF ( A(I,J).NE.ASAV(I,J) ) THEN
|
||
|
OK2 = .FALSE.
|
||
|
END IF
|
||
|
END DO
|
||
|
END DO
|
||
|
ELSE
|
||
|
DO J = 1, N
|
||
|
DO I = 1, J
|
||
|
IF ( A(I,J).NE.ASAV(I,J) ) THEN
|
||
|
OK2 = .FALSE.
|
||
|
END IF
|
||
|
END DO
|
||
|
END DO
|
||
|
END IF
|
||
|
*
|
||
|
IF (( .NOT.OK1 ).OR.( .NOT.OK2 )) THEN
|
||
|
IF( NERRS.EQ.0 ) THEN
|
||
|
WRITE( NOUT, * )
|
||
|
WRITE( NOUT, FMT = 9999 )
|
||
|
END IF
|
||
|
WRITE( NOUT, FMT = 9998 ) N, UPLO, CFORM
|
||
|
NERRS = NERRS + 1
|
||
|
END IF
|
||
|
*
|
||
|
100 CONTINUE
|
||
|
110 CONTINUE
|
||
|
120 CONTINUE
|
||
|
*
|
||
|
* Print a summary of the results.
|
||
|
*
|
||
|
IF ( NERRS.EQ.0 ) THEN
|
||
|
WRITE( NOUT, FMT = 9997 ) NRUN
|
||
|
ELSE
|
||
|
WRITE( NOUT, FMT = 9996 ) NERRS, NRUN
|
||
|
END IF
|
||
|
*
|
||
|
9999 FORMAT( 1X, ' *** Error(s) while testing the RFP conversion',
|
||
|
+ ' routines ***')
|
||
|
9998 FORMAT( 1X, ' Error in RFP,conversion routines N=',I5,
|
||
|
+ ' UPLO=''', A1, ''', FORM =''',A1,'''')
|
||
|
9997 FORMAT( 1X, 'All tests for the RFP conversion routines passed ( ',
|
||
|
+ I5,' tests run)')
|
||
|
9996 FORMAT( 1X, 'RFP conversion routines: ',I5,' out of ',I5,
|
||
|
+ ' error message recorded')
|
||
|
*
|
||
|
RETURN
|
||
|
*
|
||
|
* End of DDRVRF2
|
||
|
*
|
||
|
END
|