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306 lines
8.5 KiB
306 lines
8.5 KiB
2 years ago
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*> \brief \b ZCHKUNHR_COL
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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 ZCHKUNHR_COL( THRESH, TSTERR, NM, MVAL, NN, NVAL, NNB,
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* NBVAL, NOUT )
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*
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* .. Scalar Arguments ..
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* LOGICAL TSTERR
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* INTEGER NM, NN, NNB, NOUT
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* DOUBLE PRECISION THRESH
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* ..
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* .. Array Arguments ..
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* INTEGER MVAL( * ), NBVAL( * ), NVAL( * )
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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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*> ZCHKUNHR_COL tests:
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*> 1) ZUNGTSQR and ZUNHR_COL using ZLATSQR, ZGEMQRT,
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*> 2) ZUNGTSQR_ROW and ZUNHR_COL inside ZGETSQRHRT
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*> (which calls ZLATSQR, ZUNGTSQR_ROW and ZUNHR_COL) using ZGEMQRT.
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*> Therefore, ZLATSQR (part of ZGEQR), ZGEMQRT (part of ZGEMQR)
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*> have to be tested before this test.
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*>
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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] THRESH
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*> \verbatim
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*> THRESH is DOUBLE PRECISION
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*> The threshold value for the test ratios. A result is
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*> included in the output file if RESULT >= THRESH. To have
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*> every test ratio printed, use THRESH = 0.
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*> \endverbatim
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*>
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*> \param[in] TSTERR
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*> \verbatim
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*> TSTERR is LOGICAL
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*> Flag that indicates whether error exits are to be tested.
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*> \endverbatim
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*>
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*> \param[in] NM
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*> \verbatim
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*> NM is INTEGER
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*> The number of values of M contained in the vector MVAL.
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*> \endverbatim
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*>
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*> \param[in] MVAL
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*> \verbatim
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*> MVAL is INTEGER array, dimension (NM)
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*> The values of the matrix row dimension M.
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*> \endverbatim
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*>
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*> \param[in] NN
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*> \verbatim
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*> NN is INTEGER
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*> The number of values of N contained in the vector NVAL.
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*> \endverbatim
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*>
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*> \param[in] NVAL
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*> \verbatim
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*> NVAL is INTEGER array, dimension (NN)
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*> The values of the matrix column dimension N.
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*> \endverbatim
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*>
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*> \param[in] NNB
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*> \verbatim
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*> NNB is INTEGER
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*> The number of values of NB contained in the vector NBVAL.
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*> \endverbatim
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*>
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*> \param[in] NBVAL
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*> \verbatim
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*> NBVAL is INTEGER array, dimension (NNB)
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*> The values of the blocksize NB.
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*> \endverbatim
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*>
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*> \param[in] NOUT
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*> \verbatim
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*> NOUT 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 complex16_lin
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*
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* =====================================================================
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SUBROUTINE ZCHKUNHR_COL( THRESH, TSTERR, NM, MVAL, NN, NVAL,
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$ NNB, NBVAL, NOUT )
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IMPLICIT NONE
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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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LOGICAL TSTERR
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INTEGER NM, NN, NNB, NOUT
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DOUBLE PRECISION THRESH
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* ..
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* .. Array Arguments ..
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INTEGER MVAL( * ), NBVAL( * ), NVAL( * )
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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 NTESTS
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PARAMETER ( NTESTS = 6 )
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* ..
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* .. Local Scalars ..
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CHARACTER(LEN=3) PATH
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INTEGER I, IMB1, INB1, INB2, J, T, M, N, MB1, NB1,
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$ NB2, NFAIL, NERRS, NRUN
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*
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* .. Local Arrays ..
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DOUBLE PRECISION RESULT( NTESTS )
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* ..
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* .. External Subroutines ..
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EXTERNAL ALAHD, ALASUM, ZERRUNHR_COL, ZUNHR_COL01,
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$ ZUNHR_COL02
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* ..
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* .. Intrinsic Functions ..
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INTRINSIC MAX, MIN
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* ..
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* .. Scalars in Common ..
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LOGICAL LERR, OK
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CHARACTER(LEN=32) SRNAMT
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INTEGER INFOT, NUNIT
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* ..
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* .. Common blocks ..
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COMMON / INFOC / INFOT, NUNIT, 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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* Initialize constants
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*
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PATH( 1: 1 ) = 'Z'
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PATH( 2: 3 ) = 'HH'
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NRUN = 0
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NFAIL = 0
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NERRS = 0
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*
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* Test the error exits
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*
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IF( TSTERR ) CALL ZERRUNHR_COL( PATH, NOUT )
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INFOT = 0
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*
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* Do for each value of M in MVAL.
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*
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DO I = 1, NM
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M = MVAL( I )
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*
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* Do for each value of N in NVAL.
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*
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DO J = 1, NN
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N = NVAL( J )
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*
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* Only for M >= N
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*
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IF ( MIN( M, N ).GT.0 .AND. M.GE.N ) THEN
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*
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* Do for each possible value of MB1
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*
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DO IMB1 = 1, NNB
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MB1 = NBVAL( IMB1 )
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*
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* Only for MB1 > N
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*
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IF ( MB1.GT.N ) THEN
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*
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* Do for each possible value of NB1
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*
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DO INB1 = 1, NNB
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NB1 = NBVAL( INB1 )
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*
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* Do for each possible value of NB2
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*
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DO INB2 = 1, NNB
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NB2 = NBVAL( INB2 )
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*
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IF( NB1.GT.0 .AND. NB2.GT.0 ) THEN
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*
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* Test ZUNHR_COL
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*
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CALL ZUNHR_COL01( M, N, MB1, NB1,
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$ NB2, RESULT )
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*
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* Print information about the tests that did
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* not pass the threshold.
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*
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DO T = 1, NTESTS
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IF( RESULT( T ).GE.THRESH ) THEN
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IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 )
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$ CALL ALAHD( NOUT, PATH )
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WRITE( NOUT, FMT = 9999 ) M, N, MB1,
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$ NB1, NB2, T, RESULT( T )
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NFAIL = NFAIL + 1
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END IF
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END DO
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NRUN = NRUN + NTESTS
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END IF
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END DO
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END DO
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END IF
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END DO
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END IF
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END DO
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END DO
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*
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* Do for each value of M in MVAL.
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*
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DO I = 1, NM
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M = MVAL( I )
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*
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* Do for each value of N in NVAL.
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*
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DO J = 1, NN
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N = NVAL( J )
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*
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* Only for M >= N
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*
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IF ( MIN( M, N ).GT.0 .AND. M.GE.N ) THEN
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*
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* Do for each possible value of MB1
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*
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DO IMB1 = 1, NNB
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MB1 = NBVAL( IMB1 )
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*
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* Only for MB1 > N
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*
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IF ( MB1.GT.N ) THEN
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*
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* Do for each possible value of NB1
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*
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DO INB1 = 1, NNB
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NB1 = NBVAL( INB1 )
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*
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* Do for each possible value of NB2
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*
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DO INB2 = 1, NNB
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NB2 = NBVAL( INB2 )
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*
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IF( NB1.GT.0 .AND. NB2.GT.0 ) THEN
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*
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* Test ZUNHR_COL
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*
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CALL ZUNHR_COL02( M, N, MB1, NB1,
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$ NB2, RESULT )
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*
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* Print information about the tests that did
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* not pass the threshold.
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*
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DO T = 1, NTESTS
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IF( RESULT( T ).GE.THRESH ) THEN
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IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 )
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$ CALL ALAHD( NOUT, PATH )
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WRITE( NOUT, FMT = 9998 ) M, N, MB1,
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$ NB1, NB2, T, RESULT( T )
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NFAIL = NFAIL + 1
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END IF
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END DO
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NRUN = NRUN + NTESTS
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END IF
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END DO
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END DO
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END IF
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END DO
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END IF
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END DO
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END DO
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*
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* Print a summary of the results.
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*
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CALL ALASUM( PATH, NOUT, NFAIL, NRUN, NERRS )
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*
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9999 FORMAT( 'ZUNGTSQR and ZUNHR_COL: M=', I5, ', N=', I5,
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$ ', MB1=', I5, ', NB1=', I5, ', NB2=', I5,
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$ ' test(', I2, ')=', G12.5 )
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9998 FORMAT( 'ZUNGTSQR_ROW and ZUNHR_COL: M=', I5, ', N=', I5,
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$ ', MB1=', I5, ', NB1=', I5, ', NB2=', I5,
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$ ' test(', I2, ')=', G12.5 )
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RETURN
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*
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* End of ZCHKUNHR_COL
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*
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END
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