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 | 
 
      PROGRAM DBLAT1 
*     Test program for the DOUBLE PRECISION Level 1 BLAS. 
*     Based upon the original BLAS test routine together with: 
*     F06EAF Example Program Text 
*     .. Parameters .. 
      INTEGER          NOUT 
      PARAMETER        (NOUT=6) 
*     .. Scalars in Common .. 
      INTEGER          ICASE, INCX, INCY, MODE, N 
      LOGICAL          PASS 
*     .. Local Scalars .. 
      DOUBLE PRECISION SFAC 
      INTEGER          IC 
*     .. External Subroutines .. 
      EXTERNAL         CHECK0, CHECK1, CHECK2, CHECK3, HEADER 
*     .. Common blocks .. 
      COMMON           /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Data statements .. 
      DATA             SFAC/9.765625D-4/ 
*     .. Executable Statements .. 
      WRITE (NOUT,99999) 
      DO 20 IC = 1, 10 
         ICASE = IC 
         CALL HEADER 
* 
*        .. Initialize  PASS,  INCX,  INCY, and MODE for a new case. .. 
*        .. the value 9999 for INCX, INCY or MODE will appear in the .. 
*        .. detailed  output, if any, for cases  that do not involve .. 
*        .. these parameters .. 
* 
         PASS = .TRUE. 
         INCX = 9999 
         INCY = 9999 
         MODE = 9999 
         IF (ICASE.EQ.3) THEN 
            CALL CHECK0(SFAC) 
         ELSE IF (ICASE.EQ.7 .OR. ICASE.EQ.8 .OR. ICASE.EQ.9 .OR. 
     +            ICASE.EQ.10) THEN 
            CALL CHECK1(SFAC) 
         ELSE IF (ICASE.EQ.1 .OR. ICASE.EQ.2 .OR. ICASE.EQ.5 .OR. 
     +            ICASE.EQ.6) THEN 
            CALL CHECK2(SFAC) 
         ELSE IF (ICASE.EQ.4) THEN 
            CALL CHECK3(SFAC) 
         END IF 
*        -- Print 
         IF (PASS) WRITE (NOUT,99998) 
   20 CONTINUE 
      STOP 
* 
99999 FORMAT (' Real BLAS Test Program Results',/1X) 
99998 FORMAT ('                                    ----- PASS -----') 
      END 
      SUBROUTINE HEADER 
*     .. Parameters .. 
      INTEGER          NOUT 
      PARAMETER        (NOUT=6) 
*     .. Scalars in Common .. 
      INTEGER          ICASE, INCX, INCY, MODE, N 
      LOGICAL          PASS 
*     .. Local Arrays .. 
      CHARACTER*6      L(10) 
*     .. Common blocks .. 
      COMMON           /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Data statements .. 
      DATA             L(1)/' DDOT '/ 
      DATA             L(2)/'DAXPY '/ 
      DATA             L(3)/'DROTG '/ 
      DATA             L(4)/' DROT '/ 
      DATA             L(5)/'DCOPY '/ 
      DATA             L(6)/'DSWAP '/ 
      DATA             L(7)/'DNRM2 '/ 
      DATA             L(8)/'DASUM '/ 
      DATA             L(9)/'DSCAL '/ 
      DATA             L(10)/'IDAMAX'/ 
*     .. Executable Statements .. 
      WRITE (NOUT,99999) ICASE, L(ICASE) 
      RETURN 
* 
99999 FORMAT (/' Test of subprogram number',I3,12X,A6) 
      END 
      SUBROUTINE CHECK0(SFAC) 
*     .. Parameters .. 
      INTEGER           NOUT 
      PARAMETER         (NOUT=6) 
*     .. Scalar Arguments .. 
      DOUBLE PRECISION  SFAC 
*     .. Scalars in Common .. 
      INTEGER           ICASE, INCX, INCY, MODE, N 
      LOGICAL           PASS 
*     .. Local Scalars .. 
      DOUBLE PRECISION  D12, SA, SB, SC, SS 
      INTEGER           K 
*     .. Local Arrays .. 
      DOUBLE PRECISION  DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8), 
     +                  DS1(8) 
*     .. External Subroutines .. 
      EXTERNAL          DROTG, STEST1 
*     .. Common blocks .. 
      COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Data statements .. 
      DATA              DA1/0.3D0, 0.4D0, -0.3D0, -0.4D0, -0.3D0, 0.0D0, 
     +                  0.0D0, 1.0D0/ 
      DATA              DB1/0.4D0, 0.3D0, 0.4D0, 0.3D0, -0.4D0, 0.0D0, 
     +                  1.0D0, 0.0D0/ 
      DATA              DC1/0.6D0, 0.8D0, -0.6D0, 0.8D0, 0.6D0, 1.0D0, 
     +                  0.0D0, 1.0D0/ 
      DATA              DS1/0.8D0, 0.6D0, 0.8D0, -0.6D0, 0.8D0, 0.0D0, 
     +                  1.0D0, 0.0D0/ 
      DATA              DATRUE/0.5D0, 0.5D0, 0.5D0, -0.5D0, -0.5D0, 
     +                  0.0D0, 1.0D0, 1.0D0/ 
      DATA              DBTRUE/0.0D0, 0.6D0, 0.0D0, -0.6D0, 0.0D0, 
     +                  0.0D0, 1.0D0, 0.0D0/ 
      DATA              D12/4096.0D0/ 
*     .. Executable Statements .. 
* 
*     Compute true values which cannot be prestored 
*     in decimal notation 
* 
      DBTRUE(1) = 1.0D0/0.6D0 
      DBTRUE(3) = -1.0D0/0.6D0 
      DBTRUE(5) = 1.0D0/0.6D0 
* 
      DO 20 K = 1, 8 
*        .. Set N=K for identification in output if any .. 
         N = K 
         IF (ICASE.EQ.3) THEN 
*           .. DROTG .. 
            IF (K.GT.8) GO TO 40 
            SA = DA1(K) 
            SB = DB1(K) 
            CALL DROTG(SA,SB,SC,SS) 
            CALL STEST1(SA,DATRUE(K),DATRUE(K),SFAC) 
            CALL STEST1(SB,DBTRUE(K),DBTRUE(K),SFAC) 
            CALL STEST1(SC,DC1(K),DC1(K),SFAC) 
            CALL STEST1(SS,DS1(K),DS1(K),SFAC) 
         ELSE 
            WRITE (NOUT,*) ' Shouldn''t be here in CHECK0' 
            STOP 
         END IF 
   20 CONTINUE 
   40 RETURN 
      END 
      SUBROUTINE CHECK1(SFAC) 
*     .. Parameters .. 
      INTEGER           NOUT 
      PARAMETER         (NOUT=6) 
*     .. Scalar Arguments .. 
      DOUBLE PRECISION  SFAC 
*     .. Scalars in Common .. 
      INTEGER           ICASE, INCX, INCY, MODE, N 
      LOGICAL           PASS 
*     .. Local Scalars .. 
      INTEGER           I, LEN, NP1 
*     .. Local Arrays .. 
      DOUBLE PRECISION  DTRUE1(5), DTRUE3(5), DTRUE5(8,5,2), DV(8,5,2), 
     +                  SA(10), STEMP(1), STRUE(8), SX(8) 
      INTEGER           ITRUE2(5) 
*     .. External Functions .. 
      DOUBLE PRECISION  DASUM, DNRM2 
      INTEGER           IDAMAX 
      EXTERNAL          DASUM, DNRM2, IDAMAX 
*     .. External Subroutines .. 
      EXTERNAL          ITEST1, DSCAL, STEST, STEST1 
*     .. Intrinsic Functions .. 
      INTRINSIC         MAX 
*     .. Common blocks .. 
      COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Data statements .. 
      DATA              SA/0.3D0, -1.0D0, 0.0D0, 1.0D0, 0.3D0, 0.3D0, 
     +                  0.3D0, 0.3D0, 0.3D0, 0.3D0/ 
      DATA              DV/0.1D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0, 
     +                  2.0D0, 2.0D0, 0.3D0, 3.0D0, 3.0D0, 3.0D0, 3.0D0, 
     +                  3.0D0, 3.0D0, 3.0D0, 0.3D0, -0.4D0, 4.0D0, 
     +                  4.0D0, 4.0D0, 4.0D0, 4.0D0, 4.0D0, 0.2D0, 
     +                  -0.6D0, 0.3D0, 5.0D0, 5.0D0, 5.0D0, 5.0D0, 
     +                  5.0D0, 0.1D0, -0.3D0, 0.5D0, -0.1D0, 6.0D0, 
     +                  6.0D0, 6.0D0, 6.0D0, 0.1D0, 8.0D0, 8.0D0, 8.0D0, 
     +                  8.0D0, 8.0D0, 8.0D0, 8.0D0, 0.3D0, 9.0D0, 9.0D0, 
     +                  9.0D0, 9.0D0, 9.0D0, 9.0D0, 9.0D0, 0.3D0, 2.0D0, 
     +                  -0.4D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0, 
     +                  0.2D0, 3.0D0, -0.6D0, 5.0D0, 0.3D0, 2.0D0, 
     +                  2.0D0, 2.0D0, 0.1D0, 4.0D0, -0.3D0, 6.0D0, 
     +                  -0.5D0, 7.0D0, -0.1D0, 3.0D0/ 
      DATA              DTRUE1/0.0D0, 0.3D0, 0.5D0, 0.7D0, 0.6D0/ 
      DATA              DTRUE3/0.0D0, 0.3D0, 0.7D0, 1.1D0, 1.0D0/ 
      DATA              DTRUE5/0.10D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0, 
     +                  2.0D0, 2.0D0, 2.0D0, -0.3D0, 3.0D0, 3.0D0, 
     +                  3.0D0, 3.0D0, 3.0D0, 3.0D0, 3.0D0, 0.0D0, 0.0D0, 
     +                  4.0D0, 4.0D0, 4.0D0, 4.0D0, 4.0D0, 4.0D0, 
     +                  0.20D0, -0.60D0, 0.30D0, 5.0D0, 5.0D0, 5.0D0, 
     +                  5.0D0, 5.0D0, 0.03D0, -0.09D0, 0.15D0, -0.03D0, 
     +                  6.0D0, 6.0D0, 6.0D0, 6.0D0, 0.10D0, 8.0D0, 
     +                  8.0D0, 8.0D0, 8.0D0, 8.0D0, 8.0D0, 8.0D0, 
     +                  0.09D0, 9.0D0, 9.0D0, 9.0D0, 9.0D0, 9.0D0, 
     +                  9.0D0, 9.0D0, 0.09D0, 2.0D0, -0.12D0, 2.0D0, 
     +                  2.0D0, 2.0D0, 2.0D0, 2.0D0, 0.06D0, 3.0D0, 
     +                  -0.18D0, 5.0D0, 0.09D0, 2.0D0, 2.0D0, 2.0D0, 
     +                  0.03D0, 4.0D0, -0.09D0, 6.0D0, -0.15D0, 7.0D0, 
     +                  -0.03D0, 3.0D0/ 
      DATA              ITRUE2/0, 1, 2, 2, 3/ 
*     .. Executable Statements .. 
      DO 80 INCX = 1, 2 
         DO 60 NP1 = 1, 5 
            N = NP1 - 1 
            LEN = 2*MAX(N,1) 
*           .. Set vector arguments .. 
            DO 20 I = 1, LEN 
               SX(I) = DV(I,NP1,INCX) 
   20       CONTINUE 
* 
            IF (ICASE.EQ.7) THEN 
*              .. DNRM2 .. 
               STEMP(1) = DTRUE1(NP1) 
               CALL STEST1(DNRM2(N,SX,INCX),STEMP,STEMP,SFAC) 
            ELSE IF (ICASE.EQ.8) THEN 
*              .. DASUM .. 
               STEMP(1) = DTRUE3(NP1) 
               CALL STEST1(DASUM(N,SX,INCX),STEMP,STEMP,SFAC) 
            ELSE IF (ICASE.EQ.9) THEN 
*              .. DSCAL .. 
               CALL DSCAL(N,SA((INCX-1)*5+NP1),SX,INCX) 
               DO 40 I = 1, LEN 
                  STRUE(I) = DTRUE5(I,NP1,INCX) 
   40          CONTINUE 
               CALL STEST(LEN,SX,STRUE,STRUE,SFAC) 
            ELSE IF (ICASE.EQ.10) THEN 
*              .. IDAMAX .. 
               CALL ITEST1(IDAMAX(N,SX,INCX),ITRUE2(NP1)) 
            ELSE 
               WRITE (NOUT,*) ' Shouldn''t be here in CHECK1' 
               STOP 
            END IF 
   60    CONTINUE 
   80 CONTINUE 
      RETURN 
      END 
      SUBROUTINE CHECK2(SFAC) 
*     .. Parameters .. 
      INTEGER           NOUT 
      PARAMETER         (NOUT=6) 
*     .. Scalar Arguments .. 
      DOUBLE PRECISION  SFAC 
*     .. Scalars in Common .. 
      INTEGER           ICASE, INCX, INCY, MODE, N 
      LOGICAL           PASS 
*     .. Local Scalars .. 
      DOUBLE PRECISION  SA, SC, SS 
      INTEGER           I, J, KI, KN, KSIZE, LENX, LENY, MX, MY 
*     .. Local Arrays .. 
      DOUBLE PRECISION  DT10X(7,4,4), DT10Y(7,4,4), DT7(4,4), 
     +                  DT8(7,4,4), DT9X(7,4,4), DT9Y(7,4,4), DX1(7), 
     +                  DY1(7), SSIZE1(4), SSIZE2(14,2), STX(7), STY(7), 
     +                  SX(7), SY(7) 
      INTEGER           INCXS(4), INCYS(4), LENS(4,2), NS(4) 
*     .. External Functions .. 
      DOUBLE PRECISION  DDOT 
      EXTERNAL          DDOT 
*     .. External Subroutines .. 
      EXTERNAL          DAXPY, DCOPY, DSWAP, STEST, STEST1 
*     .. Intrinsic Functions .. 
      INTRINSIC         ABS, MIN 
*     .. Common blocks .. 
      COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Data statements .. 
      DATA              SA/0.3D0/ 
      DATA              INCXS/1, 2, -2, -1/ 
      DATA              INCYS/1, -2, 1, -2/ 
      DATA              LENS/1, 1, 2, 4, 1, 1, 3, 7/ 
      DATA              NS/0, 1, 2, 4/ 
      DATA              DX1/0.6D0, 0.1D0, -0.5D0, 0.8D0, 0.9D0, -0.3D0, 
     +                  -0.4D0/ 
      DATA              DY1/0.5D0, -0.9D0, 0.3D0, 0.7D0, -0.6D0, 0.2D0, 
     +                  0.8D0/ 
      DATA              SC, SS/0.8D0, 0.6D0/ 
      DATA              DT7/0.0D0, 0.30D0, 0.21D0, 0.62D0, 0.0D0, 
     +                  0.30D0, -0.07D0, 0.85D0, 0.0D0, 0.30D0, -0.79D0, 
     +                  -0.74D0, 0.0D0, 0.30D0, 0.33D0, 1.27D0/ 
      DATA              DT8/0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.68D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.68D0, -0.87D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.68D0, -0.87D0, 0.15D0, 
     +                  0.94D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.68D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.35D0, -0.9D0, 0.48D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.38D0, -0.9D0, 0.57D0, 0.7D0, -0.75D0, 
     +                  0.2D0, 0.98D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.68D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.35D0, -0.72D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.38D0, 
     +                  -0.63D0, 0.15D0, 0.88D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.68D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.68D0, -0.9D0, 0.33D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.68D0, -0.9D0, 0.33D0, 0.7D0, 
     +                  -0.75D0, 0.2D0, 1.04D0/ 
      DATA              DT9X/0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.78D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.78D0, -0.46D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.78D0, -0.46D0, -0.22D0, 
     +                  1.06D0, 0.0D0, 0.0D0, 0.0D0, 0.6D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.78D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.66D0, 0.1D0, -0.1D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.96D0, 0.1D0, -0.76D0, 0.8D0, 0.90D0, 
     +                  -0.3D0, -0.02D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.78D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, -0.06D0, 0.1D0, 
     +                  -0.1D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.90D0, 
     +                  0.1D0, -0.22D0, 0.8D0, 0.18D0, -0.3D0, -0.02D0, 
     +                  0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.78D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.78D0, 0.26D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.78D0, 0.26D0, -0.76D0, 1.12D0, 
     +                  0.0D0, 0.0D0, 0.0D0/ 
      DATA              DT9Y/0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.04D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.04D0, -0.78D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.04D0, -0.78D0, 0.54D0, 
     +                  0.08D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.04D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.7D0, 
     +                  -0.9D0, -0.12D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.64D0, -0.9D0, -0.30D0, 0.7D0, -0.18D0, 0.2D0, 
     +                  0.28D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.04D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.7D0, -1.08D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.64D0, -1.26D0, 
     +                  0.54D0, 0.20D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.04D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.04D0, -0.9D0, 0.18D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.04D0, -0.9D0, 0.18D0, 0.7D0, 
     +                  -0.18D0, 0.2D0, 0.16D0/ 
      DATA              DT10X/0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.5D0, -0.9D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.5D0, -0.9D0, 0.3D0, 0.7D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.3D0, 0.1D0, 0.5D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.8D0, 0.1D0, -0.6D0, 
     +                  0.8D0, 0.3D0, -0.3D0, 0.5D0, 0.6D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, -0.9D0, 
     +                  0.1D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.7D0, 
     +                  0.1D0, 0.3D0, 0.8D0, -0.9D0, -0.3D0, 0.5D0, 
     +                  0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.5D0, 0.3D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.5D0, 0.3D0, -0.6D0, 0.8D0, 0.0D0, 0.0D0, 
     +                  0.0D0/ 
      DATA              DT10Y/0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.6D0, 0.1D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.6D0, 0.1D0, -0.5D0, 0.8D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, -0.5D0, -0.9D0, 0.6D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, -0.4D0, -0.9D0, 0.9D0, 
     +                  0.7D0, -0.5D0, 0.2D0, 0.6D0, 0.5D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.6D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, -0.5D0, 
     +                  0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  -0.4D0, 0.9D0, -0.5D0, 0.6D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.6D0, -0.9D0, 0.1D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.6D0, -0.9D0, 0.1D0, 0.7D0, 
     +                  -0.5D0, 0.2D0, 0.8D0/ 
      DATA              SSIZE1/0.0D0, 0.3D0, 1.6D0, 3.2D0/ 
      DATA              SSIZE2/0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 
     +                  1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 
     +                  1.17D0, 1.17D0, 1.17D0/ 
*     .. Executable Statements .. 
* 
      DO 120 KI = 1, 4 
         INCX = INCXS(KI) 
         INCY = INCYS(KI) 
         MX = ABS(INCX) 
         MY = ABS(INCY) 
* 
         DO 100 KN = 1, 4 
            N = NS(KN) 
            KSIZE = MIN(2,KN) 
            LENX = LENS(KN,MX) 
            LENY = LENS(KN,MY) 
*           .. Initialize all argument arrays .. 
            DO 20 I = 1, 7 
               SX(I) = DX1(I) 
               SY(I) = DY1(I) 
   20       CONTINUE 
* 
            IF (ICASE.EQ.1) THEN 
*              .. DDOT .. 
               CALL STEST1(DDOT(N,SX,INCX,SY,INCY),DT7(KN,KI),SSIZE1(KN) 
     +                     ,SFAC) 
            ELSE IF (ICASE.EQ.2) THEN 
*              .. DAXPY .. 
               CALL DAXPY(N,SA,SX,INCX,SY,INCY) 
               DO 40 J = 1, LENY 
                  STY(J) = DT8(J,KN,KI) 
   40          CONTINUE 
               CALL STEST(LENY,SY,STY,SSIZE2(1,KSIZE),SFAC) 
            ELSE IF (ICASE.EQ.5) THEN 
*              .. DCOPY .. 
               DO 60 I = 1, 7 
                  STY(I) = DT10Y(I,KN,KI) 
   60          CONTINUE 
               CALL DCOPY(N,SX,INCX,SY,INCY) 
               CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0D0) 
            ELSE IF (ICASE.EQ.6) THEN 
*              .. DSWAP .. 
               CALL DSWAP(N,SX,INCX,SY,INCY) 
               DO 80 I = 1, 7 
                  STX(I) = DT10X(I,KN,KI) 
                  STY(I) = DT10Y(I,KN,KI) 
   80          CONTINUE 
               CALL STEST(LENX,SX,STX,SSIZE2(1,1),1.0D0) 
               CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0D0) 
            ELSE 
               WRITE (NOUT,*) ' Shouldn''t be here in CHECK2' 
               STOP 
            END IF 
  100    CONTINUE 
  120 CONTINUE 
      RETURN 
      END 
      SUBROUTINE CHECK3(SFAC) 
*     .. Parameters .. 
      INTEGER           NOUT 
      PARAMETER         (NOUT=6) 
*     .. Scalar Arguments .. 
      DOUBLE PRECISION  SFAC 
*     .. Scalars in Common .. 
      INTEGER           ICASE, INCX, INCY, MODE, N 
      LOGICAL           PASS 
*     .. Local Scalars .. 
      DOUBLE PRECISION  SA, SC, SS 
      INTEGER           I, K, KI, KN, KSIZE, LENX, LENY, MX, MY 
*     .. Local Arrays .. 
      DOUBLE PRECISION  COPYX(5), COPYY(5), DT9X(7,4,4), DT9Y(7,4,4), 
     +                  DX1(7), DY1(7), MWPC(11), MWPS(11), MWPSTX(5), 
     +                  MWPSTY(5), MWPTX(11,5), MWPTY(11,5), MWPX(5), 
     +                  MWPY(5), SSIZE2(14,2), STX(7), STY(7), SX(7), 
     +                  SY(7) 
      INTEGER           INCXS(4), INCYS(4), LENS(4,2), MWPINX(11), 
     +                  MWPINY(11), MWPN(11), NS(4) 
*     .. External Subroutines .. 
      EXTERNAL          DROT, STEST 
*     .. Intrinsic Functions .. 
      INTRINSIC         ABS, MIN 
*     .. Common blocks .. 
      COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Data statements .. 
      DATA              SA/0.3D0/ 
      DATA              INCXS/1, 2, -2, -1/ 
      DATA              INCYS/1, -2, 1, -2/ 
      DATA              LENS/1, 1, 2, 4, 1, 1, 3, 7/ 
      DATA              NS/0, 1, 2, 4/ 
      DATA              DX1/0.6D0, 0.1D0, -0.5D0, 0.8D0, 0.9D0, -0.3D0, 
     +                  -0.4D0/ 
      DATA              DY1/0.5D0, -0.9D0, 0.3D0, 0.7D0, -0.6D0, 0.2D0, 
     +                  0.8D0/ 
      DATA              SC, SS/0.8D0, 0.6D0/ 
      DATA              DT9X/0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.78D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.78D0, -0.46D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.78D0, -0.46D0, -0.22D0, 
     +                  1.06D0, 0.0D0, 0.0D0, 0.0D0, 0.6D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.78D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.66D0, 0.1D0, -0.1D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.96D0, 0.1D0, -0.76D0, 0.8D0, 0.90D0, 
     +                  -0.3D0, -0.02D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.78D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, -0.06D0, 0.1D0, 
     +                  -0.1D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.90D0, 
     +                  0.1D0, -0.22D0, 0.8D0, 0.18D0, -0.3D0, -0.02D0, 
     +                  0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.78D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.78D0, 0.26D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.78D0, 0.26D0, -0.76D0, 1.12D0, 
     +                  0.0D0, 0.0D0, 0.0D0/ 
      DATA              DT9Y/0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.04D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.04D0, -0.78D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.04D0, -0.78D0, 0.54D0, 
     +                  0.08D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.04D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.7D0, 
     +                  -0.9D0, -0.12D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.64D0, -0.9D0, -0.30D0, 0.7D0, -0.18D0, 0.2D0, 
     +                  0.28D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.04D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.7D0, -1.08D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.64D0, -1.26D0, 
     +                  0.54D0, 0.20D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.04D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.04D0, -0.9D0, 0.18D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.04D0, -0.9D0, 0.18D0, 0.7D0, 
     +                  -0.18D0, 0.2D0, 0.16D0/ 
      DATA              SSIZE2/0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 
     +                  0.0D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 
     +                  1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 
     +                  1.17D0, 1.17D0, 1.17D0/ 
*     .. Executable Statements .. 
* 
      DO 60 KI = 1, 4 
         INCX = INCXS(KI) 
         INCY = INCYS(KI) 
         MX = ABS(INCX) 
         MY = ABS(INCY) 
* 
         DO 40 KN = 1, 4 
            N = NS(KN) 
            KSIZE = MIN(2,KN) 
            LENX = LENS(KN,MX) 
            LENY = LENS(KN,MY) 
* 
            IF (ICASE.EQ.4) THEN 
*              .. DROT .. 
               DO 20 I = 1, 7 
                  SX(I) = DX1(I) 
                  SY(I) = DY1(I) 
                  STX(I) = DT9X(I,KN,KI) 
                  STY(I) = DT9Y(I,KN,KI) 
   20          CONTINUE 
               CALL DROT(N,SX,INCX,SY,INCY,SC,SS) 
               CALL STEST(LENX,SX,STX,SSIZE2(1,KSIZE),SFAC) 
               CALL STEST(LENY,SY,STY,SSIZE2(1,KSIZE),SFAC) 
            ELSE 
               WRITE (NOUT,*) ' Shouldn''t be here in CHECK3' 
               STOP 
            END IF 
   40    CONTINUE 
   60 CONTINUE 
* 
      MWPC(1) = 1 
      DO 80 I = 2, 11 
         MWPC(I) = 0 
   80 CONTINUE 
      MWPS(1) = 0 
      DO 100 I = 2, 6 
         MWPS(I) = 1 
  100 CONTINUE 
      DO 120 I = 7, 11 
         MWPS(I) = -1 
  120 CONTINUE 
      MWPINX(1) = 1 
      MWPINX(2) = 1 
      MWPINX(3) = 1 
      MWPINX(4) = -1 
      MWPINX(5) = 1 
      MWPINX(6) = -1 
      MWPINX(7) = 1 
      MWPINX(8) = 1 
      MWPINX(9) = -1 
      MWPINX(10) = 1 
      MWPINX(11) = -1 
      MWPINY(1) = 1 
      MWPINY(2) = 1 
      MWPINY(3) = -1 
      MWPINY(4) = -1 
      MWPINY(5) = 2 
      MWPINY(6) = 1 
      MWPINY(7) = 1 
      MWPINY(8) = -1 
      MWPINY(9) = -1 
      MWPINY(10) = 2 
      MWPINY(11) = 1 
      DO 140 I = 1, 11 
         MWPN(I) = 5 
  140 CONTINUE 
      MWPN(5) = 3 
      MWPN(10) = 3 
      DO 160 I = 1, 5 
         MWPX(I) = I 
         MWPY(I) = I 
         MWPTX(1,I) = I 
         MWPTY(1,I) = I 
         MWPTX(2,I) = I 
         MWPTY(2,I) = -I 
         MWPTX(3,I) = 6 - I 
         MWPTY(3,I) = I - 6 
         MWPTX(4,I) = I 
         MWPTY(4,I) = -I 
         MWPTX(6,I) = 6 - I 
         MWPTY(6,I) = I - 6 
         MWPTX(7,I) = -I 
         MWPTY(7,I) = I 
         MWPTX(8,I) = I - 6 
         MWPTY(8,I) = 6 - I 
         MWPTX(9,I) = -I 
         MWPTY(9,I) = I 
         MWPTX(11,I) = I - 6 
         MWPTY(11,I) = 6 - I 
  160 CONTINUE 
      MWPTX(5,1) = 1 
      MWPTX(5,2) = 3 
      MWPTX(5,3) = 5 
      MWPTX(5,4) = 4 
      MWPTX(5,5) = 5 
      MWPTY(5,1) = -1 
      MWPTY(5,2) = 2 
      MWPTY(5,3) = -2 
      MWPTY(5,4) = 4 
      MWPTY(5,5) = -3 
      MWPTX(10,1) = -1 
      MWPTX(10,2) = -3 
      MWPTX(10,3) = -5 
      MWPTX(10,4) = 4 
      MWPTX(10,5) = 5 
      MWPTY(10,1) = 1 
      MWPTY(10,2) = 2 
      MWPTY(10,3) = 2 
      MWPTY(10,4) = 4 
      MWPTY(10,5) = 3 
      DO 200 I = 1, 11 
         INCX = MWPINX(I) 
         INCY = MWPINY(I) 
         DO 180 K = 1, 5 
            COPYX(K) = MWPX(K) 
            COPYY(K) = MWPY(K) 
            MWPSTX(K) = MWPTX(I,K) 
            MWPSTY(K) = MWPTY(I,K) 
  180    CONTINUE 
         CALL DROT(MWPN(I),COPYX,INCX,COPYY,INCY,MWPC(I),MWPS(I)) 
         CALL STEST(5,COPYX,MWPSTX,MWPSTX,SFAC) 
         CALL STEST(5,COPYY,MWPSTY,MWPSTY,SFAC) 
  200 CONTINUE 
      RETURN 
      END 
      SUBROUTINE STEST(LEN,SCOMP,STRUE,SSIZE,SFAC) 
*     ********************************* STEST ************************** 
* 
*     THIS SUBR COMPARES ARRAYS  SCOMP() AND STRUE() OF LENGTH LEN TO 
*     SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE 
*     NEGLIGIBLE. 
* 
*     C. L. LAWSON, JPL, 1974 DEC 10 
* 
*     .. Parameters .. 
      INTEGER          NOUT 
      PARAMETER        (NOUT=6) 
*     .. Scalar Arguments .. 
      DOUBLE PRECISION SFAC 
      INTEGER          LEN 
*     .. Array Arguments .. 
      DOUBLE PRECISION SCOMP(LEN), SSIZE(LEN), STRUE(LEN) 
*     .. Scalars in Common .. 
      INTEGER          ICASE, INCX, INCY, MODE, N 
      LOGICAL          PASS 
*     .. Local Scalars .. 
      DOUBLE PRECISION SD 
      INTEGER          I 
*     .. External Functions .. 
      DOUBLE PRECISION SDIFF 
      EXTERNAL         SDIFF 
*     .. Intrinsic Functions .. 
      INTRINSIC        ABS 
*     .. Common blocks .. 
      COMMON           /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Executable Statements .. 
* 
      DO 40 I = 1, LEN 
         SD = SCOMP(I) - STRUE(I) 
         IF (SDIFF(ABS(SSIZE(I))+ABS(SFAC*SD),ABS(SSIZE(I))).EQ.0.0D0) 
     +       GO TO 40 
* 
*                             HERE    SCOMP(I) IS NOT CLOSE TO STRUE(I). 
* 
         IF ( .NOT. PASS) GO TO 20 
*                             PRINT FAIL MESSAGE AND HEADER. 
         PASS = .FALSE. 
         WRITE (NOUT,99999) 
         WRITE (NOUT,99998) 
   20    WRITE (NOUT,99997) ICASE, N, INCX, INCY, MODE, I, SCOMP(I), 
     +     STRUE(I), SD, SSIZE(I) 
   40 CONTINUE 
      RETURN 
* 
99999 FORMAT ('                                       FAIL') 
99998 FORMAT (/' CASE  N INCX INCY MODE  I                            ', 
     +       ' COMP(I)                             TRUE(I)  DIFFERENCE', 
     +       '     SIZE(I)',/1X) 
99997 FORMAT (1X,I4,I3,3I5,I3,2D36.8,2D12.4) 
      END 
      SUBROUTINE STEST1(SCOMP1,STRUE1,SSIZE,SFAC) 
*     ************************* STEST1 ***************************** 
* 
*     THIS IS AN INTERFACE SUBROUTINE TO ACCOMODATE THE FORTRAN 
*     REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE 
*     ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT. 
* 
*     C.L. LAWSON, JPL, 1978 DEC 6 
* 
*     .. Scalar Arguments .. 
      DOUBLE PRECISION  SCOMP1, SFAC, STRUE1 
*     .. Array Arguments .. 
      DOUBLE PRECISION  SSIZE(*) 
*     .. Local Arrays .. 
      DOUBLE PRECISION  SCOMP(1), STRUE(1) 
*     .. External Subroutines .. 
      EXTERNAL          STEST 
*     .. Executable Statements .. 
* 
      SCOMP(1) = SCOMP1 
      STRUE(1) = STRUE1 
      CALL STEST(1,SCOMP,STRUE,SSIZE,SFAC) 
* 
      RETURN 
      END 
      DOUBLE PRECISION FUNCTION SDIFF(SA,SB) 
*     ********************************* SDIFF ************************** 
*     COMPUTES DIFFERENCE OF TWO NUMBERS.  C. L. LAWSON, JPL 1974 FEB 15 
* 
*     .. Scalar Arguments .. 
      DOUBLE PRECISION                SA, SB 
*     .. Executable Statements .. 
      SDIFF = SA - SB 
      RETURN 
      END 
      SUBROUTINE ITEST1(ICOMP,ITRUE) 
*     ********************************* ITEST1 ************************* 
* 
*     THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR 
*     EQUALITY. 
*     C. L. LAWSON, JPL, 1974 DEC 10 
* 
*     .. Parameters .. 
      INTEGER           NOUT 
      PARAMETER         (NOUT=6) 
*     .. Scalar Arguments .. 
      INTEGER           ICOMP, ITRUE 
*     .. Scalars in Common .. 
      INTEGER           ICASE, INCX, INCY, MODE, N 
      LOGICAL           PASS 
*     .. Local Scalars .. 
      INTEGER           ID 
*     .. Common blocks .. 
      COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS 
*     .. Executable Statements .. 
* 
      IF (ICOMP.EQ.ITRUE) GO TO 40 
* 
*                            HERE ICOMP IS NOT EQUAL TO ITRUE. 
* 
      IF ( .NOT. PASS) GO TO 20 
*                             PRINT FAIL MESSAGE AND HEADER. 
      PASS = .FALSE. 
      WRITE (NOUT,99999) 
      WRITE (NOUT,99998) 
   20 ID = ICOMP - ITRUE 
      WRITE (NOUT,99997) ICASE, N, INCX, INCY, MODE, ICOMP, ITRUE, ID 
   40 CONTINUE 
      RETURN 
* 
99999 FORMAT ('                                       FAIL') 
99998 FORMAT (/' CASE  N INCX INCY MODE                               ', 
     +       ' COMP                                TRUE     DIFFERENCE', 
     +       /1X) 
99997 FORMAT (1X,I4,I3,3I5,2I36,I12) 
      END 
 
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