zblat3.f
来自「famous linear algebra library (LAPACK) p」· F 代码 · 共 1,738 行 · 第 1/5 页
F
1,738 行
* .. Local Arrays ..
LOGICAL ISAME( 13 )
* .. External Functions ..
LOGICAL LZE, LZERES
EXTERNAL LZE, LZERES
* .. External Subroutines ..
EXTERNAL ZHEMM, ZMAKE, ZMMCH, ZSYMM
* .. Intrinsic Functions ..
INTRINSIC MAX
* .. Scalars in Common ..
INTEGER INFOT, NOUTC
LOGICAL LERR, OK
* .. Common blocks ..
COMMON /INFOC/INFOT, NOUTC, OK, LERR
* .. Data statements ..
DATA ICHS/'LR'/, ICHU/'UL'/
* .. Executable Statements ..
CONJ = SNAME( 2: 3 ).EQ.'HE'
*
NARGS = 12
NC = 0
RESET = .TRUE.
ERRMAX = RZERO
*
DO 100 IM = 1, NIDIM
M = IDIM( IM )
*
DO 90 IN = 1, NIDIM
N = IDIM( IN )
* Set LDC to 1 more than minimum value if room.
LDC = M
IF( LDC.LT.NMAX )
$ LDC = LDC + 1
* Skip tests if not enough room.
IF( LDC.GT.NMAX )
$ GO TO 90
LCC = LDC*N
NULL = N.LE.0.OR.M.LE.0
* Set LDB to 1 more than minimum value if room.
LDB = M
IF( LDB.LT.NMAX )
$ LDB = LDB + 1
* Skip tests if not enough room.
IF( LDB.GT.NMAX )
$ GO TO 90
LBB = LDB*N
*
* Generate the matrix B.
*
CALL ZMAKE( 'GE', ' ', ' ', M, N, B, NMAX, BB, LDB, RESET,
$ ZERO )
*
DO 80 ICS = 1, 2
SIDE = ICHS( ICS: ICS )
LEFT = SIDE.EQ.'L'
*
IF( LEFT )THEN
NA = M
ELSE
NA = N
END IF
* Set LDA to 1 more than minimum value if room.
LDA = NA
IF( LDA.LT.NMAX )
$ LDA = LDA + 1
* Skip tests if not enough room.
IF( LDA.GT.NMAX )
$ GO TO 80
LAA = LDA*NA
*
DO 70 ICU = 1, 2
UPLO = ICHU( ICU: ICU )
*
* Generate the hermitian or symmetric matrix A.
*
CALL ZMAKE( SNAME( 2: 3 ), UPLO, ' ', NA, NA, A, NMAX,
$ AA, LDA, RESET, ZERO )
*
DO 60 IA = 1, NALF
ALPHA = ALF( IA )
*
DO 50 IB = 1, NBET
BETA = BET( IB )
*
* Generate the matrix C.
*
CALL ZMAKE( 'GE', ' ', ' ', M, N, C, NMAX, CC,
$ LDC, RESET, ZERO )
*
NC = NC + 1
*
* Save every datum before calling the
* subroutine.
*
SIDES = SIDE
UPLOS = UPLO
MS = M
NS = N
ALS = ALPHA
DO 10 I = 1, LAA
AS( I ) = AA( I )
10 CONTINUE
LDAS = LDA
DO 20 I = 1, LBB
BS( I ) = BB( I )
20 CONTINUE
LDBS = LDB
BLS = BETA
DO 30 I = 1, LCC
CS( I ) = CC( I )
30 CONTINUE
LDCS = LDC
*
* Call the subroutine.
*
IF( TRACE )
$ WRITE( NTRA, FMT = 9995 )NC, SNAME, SIDE,
$ UPLO, M, N, ALPHA, LDA, LDB, BETA, LDC
IF( REWI )
$ REWIND NTRA
IF( CONJ )THEN
CALL ZHEMM( SIDE, UPLO, M, N, ALPHA, AA, LDA,
$ BB, LDB, BETA, CC, LDC )
ELSE
CALL ZSYMM( SIDE, UPLO, M, N, ALPHA, AA, LDA,
$ BB, LDB, BETA, CC, LDC )
END IF
*
* Check if error-exit was taken incorrectly.
*
IF( .NOT.OK )THEN
WRITE( NOUT, FMT = 9994 )
FATAL = .TRUE.
GO TO 110
END IF
*
* See what data changed inside subroutines.
*
ISAME( 1 ) = SIDES.EQ.SIDE
ISAME( 2 ) = UPLOS.EQ.UPLO
ISAME( 3 ) = MS.EQ.M
ISAME( 4 ) = NS.EQ.N
ISAME( 5 ) = ALS.EQ.ALPHA
ISAME( 6 ) = LZE( AS, AA, LAA )
ISAME( 7 ) = LDAS.EQ.LDA
ISAME( 8 ) = LZE( BS, BB, LBB )
ISAME( 9 ) = LDBS.EQ.LDB
ISAME( 10 ) = BLS.EQ.BETA
IF( NULL )THEN
ISAME( 11 ) = LZE( CS, CC, LCC )
ELSE
ISAME( 11 ) = LZERES( 'GE', ' ', M, N, CS,
$ CC, LDC )
END IF
ISAME( 12 ) = LDCS.EQ.LDC
*
* If data was incorrectly changed, report and
* return.
*
SAME = .TRUE.
DO 40 I = 1, NARGS
SAME = SAME.AND.ISAME( I )
IF( .NOT.ISAME( I ) )
$ WRITE( NOUT, FMT = 9998 )I
40 CONTINUE
IF( .NOT.SAME )THEN
FATAL = .TRUE.
GO TO 110
END IF
*
IF( .NOT.NULL )THEN
*
* Check the result.
*
IF( LEFT )THEN
CALL ZMMCH( 'N', 'N', M, N, M, ALPHA, A,
$ NMAX, B, NMAX, BETA, C, NMAX,
$ CT, G, CC, LDC, EPS, ERR,
$ FATAL, NOUT, .TRUE. )
ELSE
CALL ZMMCH( 'N', 'N', M, N, N, ALPHA, B,
$ NMAX, A, NMAX, BETA, C, NMAX,
$ CT, G, CC, LDC, EPS, ERR,
$ FATAL, NOUT, .TRUE. )
END IF
ERRMAX = MAX( ERRMAX, ERR )
* If got really bad answer, report and
* return.
IF( FATAL )
$ GO TO 110
END IF
*
50 CONTINUE
*
60 CONTINUE
*
70 CONTINUE
*
80 CONTINUE
*
90 CONTINUE
*
100 CONTINUE
*
* Report result.
*
IF( ERRMAX.LT.THRESH )THEN
WRITE( NOUT, FMT = 9999 )SNAME, NC
ELSE
WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX
END IF
GO TO 120
*
110 CONTINUE
WRITE( NOUT, FMT = 9996 )SNAME
WRITE( NOUT, FMT = 9995 )NC, SNAME, SIDE, UPLO, M, N, ALPHA, LDA,
$ LDB, BETA, LDC
*
120 CONTINUE
RETURN
*
9999 FORMAT( ' ', A6, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL',
$ 'S)' )
9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
$ 'ANGED INCORRECTLY *******' )
9997 FORMAT( ' ', A6, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C',
$ 'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2,
$ ' - SUSPECT *******' )
9996 FORMAT( ' ******* ', A6, ' FAILED ON CALL NUMBER:' )
9995 FORMAT( 1X, I6, ': ', A6, '(', 2( '''', A1, ''',' ), 2( I3, ',' ),
$ '(', F4.1, ',', F4.1, '), A,', I3, ', B,', I3, ',(', F4.1,
$ ',', F4.1, '), C,', I3, ') .' )
9994 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
$ '******' )
*
* End of ZCHK2.
*
END
SUBROUTINE ZCHK3( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
$ FATAL, NIDIM, IDIM, NALF, ALF, NMAX, A, AA, AS,
$ B, BB, BS, CT, G, C )
*
* Tests ZTRMM and ZTRSM.
*
* Auxiliary routine for test program for Level 3 Blas.
*
* -- Written on 8-February-1989.
* Jack Dongarra, Argonne National Laboratory.
* Iain Duff, AERE Harwell.
* Jeremy Du Croz, Numerical Algorithms Group Ltd.
* Sven Hammarling, Numerical Algorithms Group Ltd.
*
* .. Parameters ..
COMPLEX*16 ZERO, ONE
PARAMETER ( ZERO = ( 0.0D0, 0.0D0 ),
$ ONE = ( 1.0D0, 0.0D0 ) )
DOUBLE PRECISION RZERO
PARAMETER ( RZERO = 0.0D0 )
* .. Scalar Arguments ..
DOUBLE PRECISION EPS, THRESH
INTEGER NALF, NIDIM, NMAX, NOUT, NTRA
LOGICAL FATAL, REWI, TRACE
CHARACTER*6 SNAME
* .. Array Arguments ..
COMPLEX*16 A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
$ AS( NMAX*NMAX ), B( NMAX, NMAX ),
$ BB( NMAX*NMAX ), BS( NMAX*NMAX ),
$ C( NMAX, NMAX ), CT( NMAX )
DOUBLE PRECISION G( NMAX )
INTEGER IDIM( NIDIM )
* .. Local Scalars ..
COMPLEX*16 ALPHA, ALS
DOUBLE PRECISION ERR, ERRMAX
INTEGER I, IA, ICD, ICS, ICT, ICU, IM, IN, J, LAA, LBB,
$ LDA, LDAS, LDB, LDBS, M, MS, N, NA, NARGS, NC,
$ NS
LOGICAL LEFT, NULL, RESET, SAME
CHARACTER*1 DIAG, DIAGS, SIDE, SIDES, TRANAS, TRANSA, UPLO,
$ UPLOS
CHARACTER*2 ICHD, ICHS, ICHU
CHARACTER*3 ICHT
* .. Local Arrays ..
LOGICAL ISAME( 13 )
* .. External Functions ..
LOGICAL LZE, LZERES
EXTERNAL LZE, LZERES
* .. External Subroutines ..
EXTERNAL ZMAKE, ZMMCH, ZTRMM, ZTRSM
* .. Intrinsic Functions ..
INTRINSIC MAX
* .. Scalars in Common ..
INTEGER INFOT, NOUTC
LOGICAL LERR, OK
* .. Common blocks ..
COMMON /INFOC/INFOT, NOUTC, OK, LERR
* .. Data statements ..
DATA ICHU/'UL'/, ICHT/'NTC'/, ICHD/'UN'/, ICHS/'LR'/
* .. Executable Statements ..
*
NARGS = 11
NC = 0
RESET = .TRUE.
ERRMAX = RZERO
* Set up zero matrix for ZMMCH.
DO 20 J = 1, NMAX
DO 10 I = 1, NMAX
C( I, J ) = ZERO
10 CONTINUE
20 CONTINUE
*
DO 140 IM = 1, NIDIM
M = IDIM( IM )
*
DO 130 IN = 1, NIDIM
N = IDIM( IN )
* Set LDB to 1 more than minimum value if room.
LDB = M
IF( LDB.LT.NMAX )
$ LDB = LDB + 1
* Skip tests if not enough room.
IF( LDB.GT.NMAX )
$ GO TO 130
LBB = LDB*N
NULL = M.LE.0.OR.N.LE.0
*
DO 120 ICS = 1, 2
SIDE = ICHS( ICS: ICS )
LEFT = SIDE.EQ.'L'
IF( LEFT )THEN
NA = M
ELSE
NA = N
END IF
* Set LDA to 1 more than minimum value if room.
LDA = NA
IF( LDA.LT.NMAX )
$ LDA = LDA + 1
* Skip tests if not enough room.
IF( LDA.GT.NMAX )
$ GO TO 130
LAA = LDA*NA
*
DO 110 ICU = 1, 2
UPLO = ICHU( ICU: ICU )
*
DO 100 ICT = 1, 3
TRANSA = ICHT( ICT: ICT )
*
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