265 lines
6.9 KiB
Fortran
265 lines
6.9 KiB
Fortran
*> \brief \b ZDRVRF2
|
|
*
|
|
* =========== DOCUMENTATION ===========
|
|
*
|
|
* Online html documentation available at
|
|
* http://www.netlib.org/lapack/explore-html/
|
|
*
|
|
* Definition:
|
|
* ===========
|
|
*
|
|
* SUBROUTINE ZDRVRF2( NOUT, NN, NVAL, A, LDA, ARF, AP, ASAV )
|
|
*
|
|
* .. Scalar Arguments ..
|
|
* INTEGER LDA, NN, NOUT
|
|
* ..
|
|
* .. Array Arguments ..
|
|
* INTEGER NVAL( NN )
|
|
* COMPLEX*16 A( LDA, * ), ARF( * ), AP(*), ASAV( LDA, * )
|
|
* ..
|
|
*
|
|
*
|
|
*> \par Purpose:
|
|
* =============
|
|
*>
|
|
*> \verbatim
|
|
*>
|
|
*> ZDRVRF2 tests the LAPACK RFP convertion 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 COMPLEX*16 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 COMPLEX*16 array, dimension ((NMAX*(NMAX+1))/2).
|
|
*> \endverbatim
|
|
*>
|
|
*> \param[out] AP
|
|
*> \verbatim
|
|
*> AP is COMPLEX*16 array, dimension ((NMAX*(NMAX+1))/2).
|
|
*> \endverbatim
|
|
*>
|
|
*> \param[out] ASAV
|
|
*> \verbatim
|
|
*> ASAV is COMPLEX*16 array, dimension (LDA,NMAX)
|
|
*> \endverbatim
|
|
*
|
|
* Authors:
|
|
* ========
|
|
*
|
|
*> \author Univ. of Tennessee
|
|
*> \author Univ. of California Berkeley
|
|
*> \author Univ. of Colorado Denver
|
|
*> \author NAG Ltd.
|
|
*
|
|
*> \date November 2011
|
|
*
|
|
*> \ingroup complex16_lin
|
|
*
|
|
* =====================================================================
|
|
SUBROUTINE ZDRVRF2( NOUT, NN, NVAL, A, LDA, ARF, AP, ASAV )
|
|
*
|
|
* -- LAPACK test routine (version 3.4.0) --
|
|
* -- LAPACK is a software package provided by Univ. of Tennessee, --
|
|
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
|
|
* November 2011
|
|
*
|
|
* .. Scalar Arguments ..
|
|
INTEGER LDA, NN, NOUT
|
|
* ..
|
|
* .. Array Arguments ..
|
|
INTEGER NVAL( NN )
|
|
COMPLEX*16 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 ..
|
|
COMPLEX*16 ZLARND
|
|
EXTERNAL ZLARND
|
|
* ..
|
|
* .. External Subroutines ..
|
|
EXTERNAL ZTFTTR, ZTFTTP, ZTRTTF, ZTRTTP, ZTPTTR, ZTPTTF
|
|
* ..
|
|
* .. 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', 'C' /
|
|
* ..
|
|
* .. 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 = 'C'
|
|
*
|
|
DO 100 IFORM = 1, 2
|
|
*
|
|
CFORM = FORMS( IFORM )
|
|
*
|
|
NRUN = NRUN + 1
|
|
*
|
|
DO J = 1, N
|
|
DO I = 1, N
|
|
A( I, J) = ZLARND( 4, ISEED )
|
|
END DO
|
|
END DO
|
|
*
|
|
SRNAMT = 'ZTRTTF'
|
|
CALL ZTRTTF( CFORM, UPLO, N, A, LDA, ARF, INFO )
|
|
*
|
|
SRNAMT = 'ZTFTTP'
|
|
CALL ZTFTTP( CFORM, UPLO, N, ARF, AP, INFO )
|
|
*
|
|
SRNAMT = 'ZTPTTR'
|
|
CALL ZTPTTR( 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 = 'ZTRTTP'
|
|
CALL ZTRTTP( UPLO, N, A, LDA, AP, INFO )
|
|
*
|
|
SRNAMT = 'ZTPTTF'
|
|
CALL ZTPTTF( CFORM, UPLO, N, AP, ARF, INFO )
|
|
*
|
|
SRNAMT = 'ZTFTTR'
|
|
CALL ZTFTTR( 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 convertion',
|
|
+ ' routines ***')
|
|
9998 FORMAT( 1X, ' Error in RFP,convertion routines N=',I5,
|
|
+ ' UPLO=''', A1, ''', FORM =''',A1,'''')
|
|
9997 FORMAT( 1X, 'All tests for the RFP convertion routines passed (',
|
|
+ I5,' tests run)')
|
|
9996 FORMAT( 1X, 'RFP convertion routines:',I5,' out of ',I5,
|
|
+ ' error message recorded')
|
|
*
|
|
RETURN
|
|
*
|
|
* End of ZDRVRF2
|
|
*
|
|
END
|