sblat3.f
来自「famous linear algebra library (LAPACK) p」· F 代码 · 共 1,742 行 · 第 1/5 页
F
1,742 行
DO 40 I = 1, LBB
BS( I ) = BB( I )
40 CONTINUE
LDBS = LDB
*
* Call the subroutine.
*
IF( SNAME( 4: 5 ).EQ.'MM' )THEN
IF( TRACE )
$ WRITE( NTRA, FMT = 9995 )NC, SNAME,
$ SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA,
$ LDA, LDB
IF( REWI )
$ REWIND NTRA
CALL STRMM( SIDE, UPLO, TRANSA, DIAG, M,
$ N, ALPHA, AA, LDA, BB, LDB )
ELSE IF( SNAME( 4: 5 ).EQ.'SM' )THEN
IF( TRACE )
$ WRITE( NTRA, FMT = 9995 )NC, SNAME,
$ SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA,
$ LDA, LDB
IF( REWI )
$ REWIND NTRA
CALL STRSM( SIDE, UPLO, TRANSA, DIAG, M,
$ N, ALPHA, AA, LDA, BB, LDB )
END IF
*
* Check if error-exit was taken incorrectly.
*
IF( .NOT.OK )THEN
WRITE( NOUT, FMT = 9994 )
FATAL = .TRUE.
GO TO 150
END IF
*
* See what data changed inside subroutines.
*
ISAME( 1 ) = SIDES.EQ.SIDE
ISAME( 2 ) = UPLOS.EQ.UPLO
ISAME( 3 ) = TRANAS.EQ.TRANSA
ISAME( 4 ) = DIAGS.EQ.DIAG
ISAME( 5 ) = MS.EQ.M
ISAME( 6 ) = NS.EQ.N
ISAME( 7 ) = ALS.EQ.ALPHA
ISAME( 8 ) = LSE( AS, AA, LAA )
ISAME( 9 ) = LDAS.EQ.LDA
IF( NULL )THEN
ISAME( 10 ) = LSE( BS, BB, LBB )
ELSE
ISAME( 10 ) = LSERES( 'GE', ' ', M, N, BS,
$ BB, LDB )
END IF
ISAME( 11 ) = LDBS.EQ.LDB
*
* If data was incorrectly changed, report and
* return.
*
SAME = .TRUE.
DO 50 I = 1, NARGS
SAME = SAME.AND.ISAME( I )
IF( .NOT.ISAME( I ) )
$ WRITE( NOUT, FMT = 9998 )I
50 CONTINUE
IF( .NOT.SAME )THEN
FATAL = .TRUE.
GO TO 150
END IF
*
IF( .NOT.NULL )THEN
IF( SNAME( 4: 5 ).EQ.'MM' )THEN
*
* Check the result.
*
IF( LEFT )THEN
CALL SMMCH( TRANSA, 'N', M, N, M,
$ ALPHA, A, NMAX, B, NMAX,
$ ZERO, C, NMAX, CT, G,
$ BB, LDB, EPS, ERR,
$ FATAL, NOUT, .TRUE. )
ELSE
CALL SMMCH( 'N', TRANSA, M, N, N,
$ ALPHA, B, NMAX, A, NMAX,
$ ZERO, C, NMAX, CT, G,
$ BB, LDB, EPS, ERR,
$ FATAL, NOUT, .TRUE. )
END IF
ELSE IF( SNAME( 4: 5 ).EQ.'SM' )THEN
*
* Compute approximation to original
* matrix.
*
DO 70 J = 1, N
DO 60 I = 1, M
C( I, J ) = BB( I + ( J - 1 )*
$ LDB )
BB( I + ( J - 1 )*LDB ) = ALPHA*
$ B( I, J )
60 CONTINUE
70 CONTINUE
*
IF( LEFT )THEN
CALL SMMCH( TRANSA, 'N', M, N, M,
$ ONE, A, NMAX, C, NMAX,
$ ZERO, B, NMAX, CT, G,
$ BB, LDB, EPS, ERR,
$ FATAL, NOUT, .FALSE. )
ELSE
CALL SMMCH( 'N', TRANSA, M, N, N,
$ ONE, C, NMAX, A, NMAX,
$ ZERO, B, NMAX, CT, G,
$ BB, LDB, EPS, ERR,
$ FATAL, NOUT, .FALSE. )
END IF
END IF
ERRMAX = MAX( ERRMAX, ERR )
* If got really bad answer, report and
* return.
IF( FATAL )
$ GO TO 150
END IF
*
80 CONTINUE
*
90 CONTINUE
*
100 CONTINUE
*
110 CONTINUE
*
120 CONTINUE
*
130 CONTINUE
*
140 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 160
*
150 CONTINUE
WRITE( NOUT, FMT = 9996 )SNAME
WRITE( NOUT, FMT = 9995 )NC, SNAME, SIDE, UPLO, TRANSA, DIAG, M,
$ N, ALPHA, LDA, LDB
*
160 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, '(', 4( '''', A1, ''',' ), 2( I3, ',' ),
$ F4.1, ', A,', I3, ', B,', I3, ') .' )
9994 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
$ '******' )
*
* End of SCHK3.
*
END
SUBROUTINE SCHK4( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
$ FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
$ A, AA, AS, B, BB, BS, C, CC, CS, CT, G )
*
* Tests SSYRK.
*
* 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 ..
REAL ZERO
PARAMETER ( ZERO = 0.0 )
* .. Scalar Arguments ..
REAL EPS, THRESH
INTEGER NALF, NBET, NIDIM, NMAX, NOUT, NTRA
LOGICAL FATAL, REWI, TRACE
CHARACTER*6 SNAME
* .. Array Arguments ..
REAL A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
$ AS( NMAX*NMAX ), B( NMAX, NMAX ),
$ BB( NMAX*NMAX ), BET( NBET ), BS( NMAX*NMAX ),
$ C( NMAX, NMAX ), CC( NMAX*NMAX ),
$ CS( NMAX*NMAX ), CT( NMAX ), G( NMAX )
INTEGER IDIM( NIDIM )
* .. Local Scalars ..
REAL ALPHA, ALS, BETA, BETS, ERR, ERRMAX
INTEGER I, IA, IB, ICT, ICU, IK, IN, J, JC, JJ, K, KS,
$ LAA, LCC, LDA, LDAS, LDC, LDCS, LJ, MA, N, NA,
$ NARGS, NC, NS
LOGICAL NULL, RESET, SAME, TRAN, UPPER
CHARACTER*1 TRANS, TRANSS, UPLO, UPLOS
CHARACTER*2 ICHU
CHARACTER*3 ICHT
* .. Local Arrays ..
LOGICAL ISAME( 13 )
* .. External Functions ..
LOGICAL LSE, LSERES
EXTERNAL LSE, LSERES
* .. External Subroutines ..
EXTERNAL SMAKE, SMMCH, SSYRK
* .. Intrinsic Functions ..
INTRINSIC MAX
* .. Scalars in Common ..
INTEGER INFOT, NOUTC
LOGICAL LERR, OK
* .. Common blocks ..
COMMON /INFOC/INFOT, NOUTC, OK, LERR
* .. Data statements ..
DATA ICHT/'NTC'/, ICHU/'UL'/
* .. Executable Statements ..
*
NARGS = 10
NC = 0
RESET = .TRUE.
ERRMAX = ZERO
*
DO 100 IN = 1, NIDIM
N = IDIM( IN )
* Set LDC to 1 more than minimum value if room.
LDC = N
IF( LDC.LT.NMAX )
$ LDC = LDC + 1
* Skip tests if not enough room.
IF( LDC.GT.NMAX )
$ GO TO 100
LCC = LDC*N
NULL = N.LE.0
*
DO 90 IK = 1, NIDIM
K = IDIM( IK )
*
DO 80 ICT = 1, 3
TRANS = ICHT( ICT: ICT )
TRAN = TRANS.EQ.'T'.OR.TRANS.EQ.'C'
IF( TRAN )THEN
MA = K
NA = N
ELSE
MA = N
NA = K
END IF
* Set LDA to 1 more than minimum value if room.
LDA = MA
IF( LDA.LT.NMAX )
$ LDA = LDA + 1
* Skip tests if not enough room.
IF( LDA.GT.NMAX )
$ GO TO 80
LAA = LDA*NA
*
* Generate the matrix A.
*
CALL SMAKE( 'GE', ' ', ' ', MA, NA, A, NMAX, AA, LDA,
$ RESET, ZERO )
*
DO 70 ICU = 1, 2
UPLO = ICHU( ICU: ICU )
UPPER = UPLO.EQ.'U'
*
DO 60 IA = 1, NALF
ALPHA = ALF( IA )
*
DO 50 IB = 1, NBET
BETA = BET( IB )
*
* Generate the matrix C.
*
CALL SMAKE( 'SY', UPLO, ' ', N, N, C, NMAX, CC,
$ LDC, RESET, ZERO )
*
NC = NC + 1
*
* Save every datum before calling the subroutine.
*
UPLOS = UPLO
TRANSS = TRANS
NS = N
KS = K
ALS = ALPHA
DO 10 I = 1, LAA
AS( I ) = AA( I )
10 CONTINUE
LDAS = LDA
BETS = BETA
DO 20 I = 1, LCC
CS( I ) = CC( I )
20 CONTINUE
LDCS = LDC
*
* Call the subroutine.
*
IF( TRACE )
$ WRITE( NTRA, FMT = 9994 )NC, SNAME, UPLO,
$ TRANS, N, K, ALPHA, LDA, BETA, LDC
IF( REWI )
$ REWIND NTRA
CALL SSYRK( UPLO, TRANS, N, K, ALPHA, AA, LDA,
$ BETA, CC, LDC )
*
* Check if error-exit was taken incorrectly.
*
IF( .NOT.OK )THEN
WRITE( NOUT, FMT = 9993 )
FATAL = .TRUE.
GO TO 120
END IF
*
* See what data changed inside subroutines.
*
ISAME( 1 ) = UPLOS.EQ.UPLO
ISAME( 2 ) = TRANSS.EQ.TRANS
ISAME( 3 ) = NS.EQ.N
ISAME( 4 ) = KS.EQ.K
ISAME( 5 ) = ALS.EQ.ALPHA
ISAME( 6 ) = LSE( AS, AA, LAA )
ISAME( 7 ) = LDAS.EQ.LDA
ISAME( 8 ) = BETS.EQ.BETA
IF( NULL )THEN
ISAME( 9 ) = LSE( CS, CC, LCC )
ELSE
ISAME( 9 ) = LSERES( 'SY', UPLO, N, N, CS,
$ CC, LDC )
END IF
ISAME( 10 ) = LDCS.EQ.LDC
*
* If data was incorrectly changed, report and
* return.
*
SAME = .TRUE.
DO 30 I = 1, NARGS
SAME = SAME.AND.ISAME( I )
IF( .NOT.ISAME( I ) )
$ WRITE( NOUT, FMT = 9998 )I
30 CONTINUE
IF( .NOT.SAME )THEN
FATAL = .TRUE.
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