cblat3.f

来自「基于Blas CLapck的.用过的人知道是干啥的」· F 代码 · 共 1,780 行 · 第 1/5 页

                        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
                        IF( CONJ )THEN
                           ISAME( 5 ) = RALS.EQ.RALPHA
                        ELSE
                           ISAME( 5 ) = ALS.EQ.ALPHA
                        END IF
                        ISAME( 6 ) = LCE( AS, AA, LAA )
                        ISAME( 7 ) = LDAS.EQ.LDA
                        IF( CONJ )THEN
                           ISAME( 8 ) = RBETS.EQ.RBETA
                        ELSE
                           ISAME( 8 ) = BETS.EQ.BETA
                        END IF
                        IF( NULL )THEN
                           ISAME( 9 ) = LCE( CS, CC, LCC )
                        ELSE
                           ISAME( 9 ) = LCERES( SNAME( 2: 3 ), 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.
                           GO TO 120
                        END IF
*
                        IF( .NOT.NULL )THEN
*
*                          Check the result column by column.
*
                           IF( CONJ )THEN
                              TRANST = 'C'
                           ELSE
                              TRANST = 'T'
                           END IF
                           JC = 1
                           DO 40 J = 1, N
                              IF( UPPER )THEN
                                 JJ = 1
                                 LJ = J
                              ELSE
                                 JJ = J
                                 LJ = N - J + 1
                              END IF
                              IF( TRAN )THEN
                                 CALL CMMCH( TRANST, 'N', LJ, 1, K,
     $                                       ALPHA, A( 1, JJ ), NMAX,
     $                                       A( 1, J ), NMAX, BETA,
     $                                       C( JJ, J ), NMAX, CT, G,
     $                                       CC( JC ), LDC, EPS, ERR,
     $                                       FATAL, NOUT, .TRUE. )
                              ELSE
                                 CALL CMMCH( 'N', TRANST, LJ, 1, K,
     $                                       ALPHA, A( JJ, 1 ), NMAX,
     $                                       A( J, 1 ), NMAX, BETA,
     $                                       C( JJ, J ), NMAX, CT, G,
     $                                       CC( JC ), LDC, EPS, ERR,
     $                                       FATAL, NOUT, .TRUE. )
                              END IF
                              IF( UPPER )THEN
                                 JC = JC + LDC
                              ELSE
                                 JC = JC + LDC + 1
                              END IF
                              ERRMAX = MAX( ERRMAX, ERR )
*                             If got really bad answer, report and
*                             return.
                              IF( FATAL )
     $                           GO TO 110
   40                      CONTINUE
                        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 130
*
  110 CONTINUE
      IF( N.GT.1 )
     $   WRITE( NOUT, FMT = 9995 )J
*
  120 CONTINUE
      WRITE( NOUT, FMT = 9996 )SNAME
      IF( CONJ )THEN
         WRITE( NOUT, FMT = 9994 )NC, SNAME, UPLO, TRANS, N, K, RALPHA,
     $      LDA, RBETA, LDC
      ELSE
         WRITE( NOUT, FMT = 9993 )NC, SNAME, UPLO, TRANS, N, K, ALPHA,
     $      LDA, BETA, LDC
      END IF
*
  130 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( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
 9994 FORMAT( 1X, I6, ': ', A6, '(', 2( '''', A1, ''',' ), 2( I3, ',' ),
     $      F4.1, ', A,', I3, ',', F4.1, ', C,', I3, ')               ',
     $      '          .' )
 9993 FORMAT( 1X, I6, ': ', A6, '(', 2( '''', A1, ''',' ), 2( I3, ',' ),
     $      '(', F4.1, ',', F4.1, ') , A,', I3, ',(', F4.1, ',', F4.1,
     $      '), C,', I3, ')          .' )
 9992 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
     $      '******' )
*
*     End of CCHK4.
*
      END
      SUBROUTINE CCHK5( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
     $                  AB, AA, AS, BB, BS, C, CC, CS, CT, G, W )
*
*  Tests CHER2K and CSYR2K.
*
*  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            ZERO, ONE
      PARAMETER          ( ZERO = ( 0.0, 0.0 ), ONE = ( 1.0, 0.0 ) )
      REAL               RONE, RZERO
      PARAMETER          ( RONE = 1.0, RZERO = 0.0 )
*     .. Scalar Arguments ..
      REAL               EPS, THRESH
      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA
      LOGICAL            FATAL, REWI, TRACE
      CHARACTER*6        SNAME
*     .. Array Arguments ..
      COMPLEX            AA( NMAX*NMAX ), AB( 2*NMAX*NMAX ),
     $                   ALF( NALF ), AS( NMAX*NMAX ), BB( NMAX*NMAX ),
     $                   BET( NBET ), BS( NMAX*NMAX ), C( NMAX, NMAX ),
     $                   CC( NMAX*NMAX ), CS( NMAX*NMAX ), CT( NMAX ),
     $                   W( 2*NMAX )
      REAL               G( NMAX )
      INTEGER            IDIM( NIDIM )
*     .. Local Scalars ..
      COMPLEX            ALPHA, ALS, BETA, BETS
      REAL               ERR, ERRMAX, RBETA, RBETS
      INTEGER            I, IA, IB, ICT, ICU, IK, IN, J, JC, JJ, JJAB,
     $                   K, KS, LAA, LBB, LCC, LDA, LDAS, LDB, LDBS,
     $                   LDC, LDCS, LJ, MA, N, NA, NARGS, NC, NS
      LOGICAL            CONJ, NULL, RESET, SAME, TRAN, UPPER
      CHARACTER*1        TRANS, TRANSS, TRANST, UPLO, UPLOS
      CHARACTER*2        ICHT, ICHU
*     .. Local Arrays ..
      LOGICAL            ISAME( 13 )
*     .. External Functions ..
      LOGICAL            LCE, LCERES
      EXTERNAL           LCE, LCERES
*     .. External Subroutines ..
      EXTERNAL           CHER2K, CMAKE, CMMCH, CSYR2K
*     .. Intrinsic Functions ..
      INTRINSIC          CMPLX, CONJG, MAX, REAL
*     .. Scalars in Common ..
      INTEGER            INFOT, NOUTC
      LOGICAL            LERR, OK
*     .. Common blocks ..
      COMMON             /INFOC/INFOT, NOUTC, OK, LERR
*     .. Data statements ..
      DATA               ICHT/'NC'/, ICHU/'UL'/
*     .. Executable Statements ..
      CONJ = SNAME( 2: 3 ).EQ.'HE'
*
      NARGS = 12
      NC = 0
      RESET = .TRUE.
      ERRMAX = RZERO
*
      DO 130 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 130
         LCC = LDC*N
*
         DO 120 IK = 1, NIDIM
            K = IDIM( IK )
*
            DO 110 ICT = 1, 2
               TRANS = ICHT( ICT: ICT )
               TRAN = TRANS.EQ.'C'
               IF( TRAN.AND..NOT.CONJ )
     $            TRANS = 'T'
               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 110
               LAA = LDA*NA
*
*              Generate the matrix A.
*
               IF( TRAN )THEN
                  CALL CMAKE( 'GE', ' ', ' ', MA, NA, AB, 2*NMAX, AA,
     $                        LDA, RESET, ZERO )
               ELSE
                  CALL CMAKE( 'GE', ' ', ' ', MA, NA, AB, NMAX, AA, LDA,
     $                        RESET, ZERO )
               END IF
*
*              Generate the matrix B.
*
               LDB = LDA
               LBB = LAA
               IF( TRAN )THEN
                  CALL CMAKE( 'GE', ' ', ' ', MA, NA, AB( K + 1 ),
     $                        2*NMAX, BB, LDB, RESET, ZERO )
               ELSE
                  CALL CMAKE( 'GE', ' ', ' ', MA, NA, AB( K*NMAX + 1 ),
     $                        NMAX, BB, LDB, RESET, ZERO )
               END IF
*
               DO 100 ICU = 1, 2
                  UPLO = ICHU( ICU: ICU )
                  UPPER = UPLO.EQ.'U'
*
                  DO 90 IA = 1, NALF
                     ALPHA = ALF( IA )
*
                     DO 80 IB = 1, NBET
                        BETA = BET( IB )
                        IF( CONJ )THEN
                           RBETA = REAL( BETA )
                           BETA = CMPLX( RBETA, RZERO )
                        END IF
                        NULL = N.LE.0
                        IF( CONJ )
     $                     NULL = NULL.OR.( ( K.LE.0.OR.ALPHA.EQ.
     $                            ZERO ).AND.RBETA.EQ.RONE )
*
*                       Generate the matrix C.
*
                        CALL CMAKE( SNAME( 2: 3 ), 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
                        DO 20 I = 1, LBB
                           BS( I ) = BB( I )
   20                   CONTINUE
                        LDBS = LDB
                        IF( CONJ )THEN
                           RBETS = RBETA
                        ELSE
                           BETS = BETA
                        END IF
                        DO 30 I = 1, LCC
                           CS( I ) = CC( I )
   30                   CONTINUE
                        LDCS = LDC
*
*                       Call the subroutine.
*
                        IF( CONJ )THEN
                           IF( TRACE )
     $                        WRITE( NTRA, FMT = 9994 )NC, SNAME, UPLO,
     $                        TRANS, N, K, ALPHA, LDA, LDB, RBETA, LDC
                           IF( REWI )
     $                        REWIND NTRA
                           CALL CHER2K( UPLO, TRANS, N, K, ALPHA, AA,
     $                                  LDA, BB, LDB, RBETA, CC, LDC )
                        ELSE
                           IF( TRACE )
     $                        WRITE( NTRA, FMT = 9993 )NC, SNAME, UPLO,
     $                        TRANS, N, K, ALPHA, LDA, LDB, BETA, LDC
                           IF( REWI )
     $                        REWIND NTRA
                           CALL CSYR2K( UPLO, TRANS, N, K, ALPHA, AA,
     $                                  LDA, BB, LDB, BETA, CC, LDC )
                        END IF
*
*                       Check if error-exit was taken incorrectly.
*
                        IF( .NOT.OK )THEN
                           WRITE( NOUT, FMT = 9992 )
                           FATAL = .TRUE.
                           GO TO 150
                        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 ) = LCE( AS, AA, LAA )