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      1       PROGRAM SCBLAT1
      2 *     Test program for the REAL             Level 1 CBLAS.
      3 *     Based upon the original CBLAS test routine together with:
      4 *     F06EAF Example Program Text
      5 *     .. Parameters ..
      6       INTEGER          NOUT
      7       PARAMETER        (NOUT=6)
      8 *     .. Scalars in Common ..
      9       INTEGER          ICASE, INCX, INCY, MODE, N
     10       LOGICAL          PASS
     11 *     .. Local Scalars ..
     12       REAL             SFAC
     13       INTEGER          IC
     14 *     .. External Subroutines ..
     15       EXTERNAL         CHECK0, CHECK1, CHECK2, CHECK3, HEADER
     16 *     .. Common blocks ..
     17       COMMON           /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
     18 *     .. Data statements ..
     19       DATA             SFAC/9.765625E-4/
     20 *     .. Executable Statements ..
     21       WRITE (NOUT,99999)
     22       DO 20 IC = 1, 10
     23          ICASE = IC
     24          CALL HEADER
     25 *
     26 *        .. Initialize  PASS,  INCX,  INCY, and MODE for a new case. ..
     27 *        .. the value 9999 for INCX, INCY or MODE will appear in the ..
     28 *        .. detailed  output, if any, for cases  that do not involve ..
     29 *        .. these parameters ..
     30 *
     31          PASS = .TRUE.
     32          INCX = 9999
     33          INCY = 9999
     34          MODE = 9999
     35          IF (ICASE.EQ.3) THEN
     36             CALL CHECK0(SFAC)
     37          ELSE IF (ICASE.EQ.7 .OR. ICASE.EQ.8 .OR. ICASE.EQ.9 .OR.
     38      +            ICASE.EQ.10) THEN
     39             CALL CHECK1(SFAC)
     40          ELSE IF (ICASE.EQ.1 .OR. ICASE.EQ.2 .OR. ICASE.EQ.5 .OR.
     41      +            ICASE.EQ.6) THEN
     42             CALL CHECK2(SFAC)
     43          ELSE IF (ICASE.EQ.4) THEN
     44             CALL CHECK3(SFAC)
     45          END IF
     46 *        -- Print
     47          IF (PASS) WRITE (NOUT,99998)
     48    20 CONTINUE
     49       STOP
     50 *
     51 99999 FORMAT (' Real CBLAS Test Program Results',/1X)
     52 99998 FORMAT ('                                    ----- PASS -----')
     53       END
     54       SUBROUTINE HEADER
     55 *     .. Parameters ..
     56       INTEGER          NOUT
     57       PARAMETER        (NOUT=6)
     58 *     .. Scalars in Common ..
     59       INTEGER          ICASE, INCX, INCY, MODE, N
     60       LOGICAL          PASS
     61 *     .. Local Arrays ..
     62       CHARACTER*15      L(10)
     63 *     .. Common blocks ..
     64       COMMON           /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
     65 *     .. Data statements ..
     66       DATA             L(1)/'CBLAS_SDOT '/
     67       DATA             L(2)/'CBLAS_SAXPY '/
     68       DATA             L(3)/'CBLAS_SROTG '/
     69       DATA             L(4)/'CBLAS_SROT '/
     70       DATA             L(5)/'CBLAS_SCOPY '/
     71       DATA             L(6)/'CBLAS_SSWAP '/
     72       DATA             L(7)/'CBLAS_SNRM2 '/
     73       DATA             L(8)/'CBLAS_SASUM '/
     74       DATA             L(9)/'CBLAS_SSCAL '/
     75       DATA             L(10)/'CBLAS_ISAMAX'/
     76 *     .. Executable Statements ..
     77       WRITE (NOUT,99999) ICASE, L(ICASE)
     78       RETURN
     79 *
     80 99999 FORMAT (/' Test of subprogram number',I3,9X,A15)
     81       END
     82       SUBROUTINE CHECK0(SFAC)
     83 *     .. Parameters ..
     84       INTEGER           NOUT
     85       PARAMETER         (NOUT=6)
     86 *     .. Scalar Arguments ..
     87       REAL              SFAC
     88 *     .. Scalars in Common ..
     89       INTEGER           ICASE, INCX, INCY, MODE, N
     90       LOGICAL           PASS
     91 *     .. Local Scalars ..
     92       REAL              SA, SB, SC, SS
     93       INTEGER           K
     94 *     .. Local Arrays ..
     95       REAL              DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
     96      +                  DS1(8)
     97 *     .. External Subroutines ..
     98       EXTERNAL          SROTGTEST, STEST1
     99 *     .. Common blocks ..
    100       COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
    101 *     .. Data statements ..
    102       DATA              DA1/0.3E0, 0.4E0, -0.3E0, -0.4E0, -0.3E0, 0.0E0,
    103      +                  0.0E0, 1.0E0/
    104       DATA              DB1/0.4E0, 0.3E0, 0.4E0, 0.3E0, -0.4E0, 0.0E0,
    105      +                  1.0E0, 0.0E0/
    106       DATA              DC1/0.6E0, 0.8E0, -0.6E0, 0.8E0, 0.6E0, 1.0E0,
    107      +                  0.0E0, 1.0E0/
    108       DATA              DS1/0.8E0, 0.6E0, 0.8E0, -0.6E0, 0.8E0, 0.0E0,
    109      +                  1.0E0, 0.0E0/
    110       DATA              DATRUE/0.5E0, 0.5E0, 0.5E0, -0.5E0, -0.5E0,
    111      +                  0.0E0, 1.0E0, 1.0E0/
    112       DATA              DBTRUE/0.0E0, 0.6E0, 0.0E0, -0.6E0, 0.0E0,
    113      +                  0.0E0, 1.0E0, 0.0E0/
    114 *     .. Executable Statements ..
    115 *
    116 *     Compute true values which cannot be prestored
    117 *     in decimal notation
    118 *
    119       DBTRUE(1) = 1.0E0/0.6E0
    120       DBTRUE(3) = -1.0E0/0.6E0
    121       DBTRUE(5) = 1.0E0/0.6E0
    122 *
    123       DO 20 K = 1, 8
    124 *        .. Set N=K for identification in output if any ..
    125          N = K
    126          IF (ICASE.EQ.3) THEN
    127 *           .. SROTGTEST ..
    128             IF (K.GT.8) GO TO 40
    129             SA = DA1(K)
    130             SB = DB1(K)
    131             CALL SROTGTEST(SA,SB,SC,SS)
    132             CALL STEST1(SA,DATRUE(K),DATRUE(K),SFAC)
    133             CALL STEST1(SB,DBTRUE(K),DBTRUE(K),SFAC)
    134             CALL STEST1(SC,DC1(K),DC1(K),SFAC)
    135             CALL STEST1(SS,DS1(K),DS1(K),SFAC)
    136          ELSE
    137             WRITE (NOUT,*) ' Shouldn''t be here in CHECK0'
    138             STOP
    139          END IF
    140    20 CONTINUE
    141    40 RETURN
    142       END
    143       SUBROUTINE CHECK1(SFAC)
    144 *     .. Parameters ..
    145       INTEGER           NOUT
    146       PARAMETER         (NOUT=6)
    147 *     .. Scalar Arguments ..
    148       REAL              SFAC
    149 *     .. Scalars in Common ..
    150       INTEGER           ICASE, INCX, INCY, MODE, N
    151       LOGICAL           PASS
    152 *     .. Local Scalars ..
    153       INTEGER           I, LEN, NP1
    154 *     .. Local Arrays ..
    155       REAL              DTRUE1(5), DTRUE3(5), DTRUE5(8,5,2), DV(8,5,2),
    156      +                  SA(10), STEMP(1), STRUE(8), SX(8)
    157       INTEGER           ITRUE2(5)
    158 *     .. External Functions ..
    159       REAL              SASUMTEST, SNRM2TEST
    160       INTEGER           ISAMAXTEST
    161       EXTERNAL          SASUMTEST, SNRM2TEST, ISAMAXTEST
    162 *     .. External Subroutines ..
    163       EXTERNAL          ITEST1, SSCALTEST, STEST, STEST1
    164 *     .. Intrinsic Functions ..
    165       INTRINSIC         MAX
    166 *     .. Common blocks ..
    167       COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
    168 *     .. Data statements ..
    169       DATA              SA/0.3E0, -1.0E0, 0.0E0, 1.0E0, 0.3E0, 0.3E0,
    170      +                  0.3E0, 0.3E0, 0.3E0, 0.3E0/
    171       DATA              DV/0.1E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
    172      +                  2.0E0, 2.0E0, 0.3E0, 3.0E0, 3.0E0, 3.0E0, 3.0E0,
    173      +                  3.0E0, 3.0E0, 3.0E0, 0.3E0, -0.4E0, 4.0E0,
    174      +                  4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0, 0.2E0,
    175      +                  -0.6E0, 0.3E0, 5.0E0, 5.0E0, 5.0E0, 5.0E0,
    176      +                  5.0E0, 0.1E0, -0.3E0, 0.5E0, -0.1E0, 6.0E0,
    177      +                  6.0E0, 6.0E0, 6.0E0, 0.1E0, 8.0E0, 8.0E0, 8.0E0,
    178      +                  8.0E0, 8.0E0, 8.0E0, 8.0E0, 0.3E0, 9.0E0, 9.0E0,
    179      +                  9.0E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0, 0.3E0, 2.0E0,
    180      +                  -0.4E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
    181      +                  0.2E0, 3.0E0, -0.6E0, 5.0E0, 0.3E0, 2.0E0,
    182      +                  2.0E0, 2.0E0, 0.1E0, 4.0E0, -0.3E0, 6.0E0,
    183      +                  -0.5E0, 7.0E0, -0.1E0, 3.0E0/
    184       DATA              DTRUE1/0.0E0, 0.3E0, 0.5E0, 0.7E0, 0.6E0/
    185       DATA              DTRUE3/0.0E0, 0.3E0, 0.7E0, 1.1E0, 1.0E0/
    186       DATA              DTRUE5/0.10E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
    187      +                  2.0E0, 2.0E0, 2.0E0, -0.3E0, 3.0E0, 3.0E0,
    188      +                  3.0E0, 3.0E0, 3.0E0, 3.0E0, 3.0E0, 0.0E0, 0.0E0,
    189      +                  4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0,
    190      +                  0.20E0, -0.60E0, 0.30E0, 5.0E0, 5.0E0, 5.0E0,
    191      +                  5.0E0, 5.0E0, 0.03E0, -0.09E0, 0.15E0, -0.03E0,
    192      +                  6.0E0, 6.0E0, 6.0E0, 6.0E0, 0.10E0, 8.0E0,
    193      +                  8.0E0, 8.0E0, 8.0E0, 8.0E0, 8.0E0, 8.0E0,
    194      +                  0.09E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0,
    195      +                  9.0E0, 9.0E0, 0.09E0, 2.0E0, -0.12E0, 2.0E0,
    196      +                  2.0E0, 2.0E0, 2.0E0, 2.0E0, 0.06E0, 3.0E0,
    197      +                  -0.18E0, 5.0E0, 0.09E0, 2.0E0, 2.0E0, 2.0E0,
    198      +                  0.03E0, 4.0E0, -0.09E0, 6.0E0, -0.15E0, 7.0E0,
    199      +                  -0.03E0, 3.0E0/
    200       DATA              ITRUE2/0, 1, 2, 2, 3/
    201 *     .. Executable Statements ..
    202       DO 80 INCX = 1, 2
    203          DO 60 NP1 = 1, 5
    204             N = NP1 - 1
    205             LEN = 2*MAX(N,1)
    206 *           .. Set vector arguments ..
    207             DO 20 I = 1, LEN
    208                SX(I) = DV(I,NP1,INCX)
    209    20       CONTINUE
    210 *
    211             IF (ICASE.EQ.7) THEN
    212 *              .. SNRM2TEST ..
    213                STEMP(1) = DTRUE1(NP1)
    214                CALL STEST1(SNRM2TEST(N,SX,INCX),STEMP,STEMP,SFAC)
    215             ELSE IF (ICASE.EQ.8) THEN
    216 *              .. SASUMTEST ..
    217                STEMP(1) = DTRUE3(NP1)
    218                CALL STEST1(SASUMTEST(N,SX,INCX),STEMP,STEMP,SFAC)
    219             ELSE IF (ICASE.EQ.9) THEN
    220 *              .. SSCALTEST ..
    221                CALL SSCALTEST(N,SA((INCX-1)*5+NP1),SX,INCX)
    222                DO 40 I = 1, LEN
    223                   STRUE(I) = DTRUE5(I,NP1,INCX)
    224    40          CONTINUE
    225                CALL STEST(LEN,SX,STRUE,STRUE,SFAC)
    226             ELSE IF (ICASE.EQ.10) THEN
    227 *              .. ISAMAXTEST ..
    228                CALL ITEST1(ISAMAXTEST(N,SX,INCX),ITRUE2(NP1))
    229             ELSE
    230                WRITE (NOUT,*) ' Shouldn''t be here in CHECK1'
    231                STOP
    232             END IF
    233    60    CONTINUE
    234    80 CONTINUE
    235       RETURN
    236       END
    237       SUBROUTINE CHECK2(SFAC)
    238 *     .. Parameters ..
    239       INTEGER           NOUT
    240       PARAMETER         (NOUT=6)
    241 *     .. Scalar Arguments ..
    242       REAL              SFAC
    243 *     .. Scalars in Common ..
    244       INTEGER           ICASE, INCX, INCY, MODE, N
    245       LOGICAL           PASS
    246 *     .. Local Scalars ..
    247       REAL              SA
    248       INTEGER           I, J, KI, KN, KSIZE, LENX, LENY, MX, MY
    249 *     .. Local Arrays ..
    250       REAL              DT10X(7,4,4), DT10Y(7,4,4), DT7(4,4),
    251      +                  DT8(7,4,4), DX1(7),
    252      +                  DY1(7), SSIZE1(4), SSIZE2(14,2), STX(7), STY(7),
    253      +                  SX(7), SY(7)
    254       INTEGER           INCXS(4), INCYS(4), LENS(4,2), NS(4)
    255 *     .. External Functions ..
    256       REAL              SDOTTEST
    257       EXTERNAL          SDOTTEST
    258 *     .. External Subroutines ..
    259       EXTERNAL          SAXPYTEST, SCOPYTEST, SSWAPTEST, STEST, STEST1
    260 *     .. Intrinsic Functions ..
    261       INTRINSIC         ABS, MIN
    262 *     .. Common blocks ..
    263       COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
    264 *     .. Data statements ..
    265       DATA              SA/0.3E0/
    266       DATA              INCXS/1, 2, -2, -1/
    267       DATA              INCYS/1, -2, 1, -2/
    268       DATA              LENS/1, 1, 2, 4, 1, 1, 3, 7/
    269       DATA              NS/0, 1, 2, 4/
    270       DATA              DX1/0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.9E0, -0.3E0,
    271      +                  -0.4E0/
    272       DATA              DY1/0.5E0, -0.9E0, 0.3E0, 0.7E0, -0.6E0, 0.2E0,
    273      +                  0.8E0/
    274       DATA              DT7/0.0E0, 0.30E0, 0.21E0, 0.62E0, 0.0E0,
    275      +                  0.30E0, -0.07E0, 0.85E0, 0.0E0, 0.30E0, -0.79E0,
    276      +                  -0.74E0, 0.0E0, 0.30E0, 0.33E0, 1.27E0/
    277       DATA              DT8/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    278      +                  0.0E0, 0.68E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    279      +                  0.0E0, 0.0E0, 0.68E0, -0.87E0, 0.0E0, 0.0E0,
    280      +                  0.0E0, 0.0E0, 0.0E0, 0.68E0, -0.87E0, 0.15E0,
    281      +                  0.94E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
    282      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.68E0,
    283      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    284      +                  0.35E0, -0.9E0, 0.48E0, 0.0E0, 0.0E0, 0.0E0,
    285      +                  0.0E0, 0.38E0, -0.9E0, 0.57E0, 0.7E0, -0.75E0,
    286      +                  0.2E0, 0.98E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0,
    287      +                  0.0E0, 0.0E0, 0.0E0, 0.68E0, 0.0E0, 0.0E0,
    288      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.35E0, -0.72E0,
    289      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.38E0,
    290      +                  -0.63E0, 0.15E0, 0.88E0, 0.0E0, 0.0E0, 0.0E0,
    291      +                  0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    292      +                  0.68E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    293      +                  0.0E0, 0.68E0, -0.9E0, 0.33E0, 0.0E0, 0.0E0,
    294      +                  0.0E0, 0.0E0, 0.68E0, -0.9E0, 0.33E0, 0.7E0,
    295      +                  -0.75E0, 0.2E0, 1.04E0/
    296       DATA              DT10X/0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    297      +                  0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    298      +                  0.0E0, 0.5E0, -0.9E0, 0.0E0, 0.0E0, 0.0E0,
    299      +                  0.0E0, 0.0E0, 0.5E0, -0.9E0, 0.3E0, 0.7E0,
    300      +                  0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0,
    301      +                  0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0,
    302      +                  0.0E0, 0.0E0, 0.0E0, 0.3E0, 0.1E0, 0.5E0, 0.0E0,
    303      +                  0.0E0, 0.0E0, 0.0E0, 0.8E0, 0.1E0, -0.6E0,
    304      +                  0.8E0, 0.3E0, -0.3E0, 0.5E0, 0.6E0, 0.0E0,
    305      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
    306      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.9E0,
    307      +                  0.1E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.7E0,
    308      +                  0.1E0, 0.3E0, 0.8E0, -0.9E0, -0.3E0, 0.5E0,
    309      +                  0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    310      +                  0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    311      +                  0.5E0, 0.3E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    312      +                  0.5E0, 0.3E0, -0.6E0, 0.8E0, 0.0E0, 0.0E0,
    313      +                  0.0E0/
    314       DATA              DT10Y/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    315      +                  0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    316      +                  0.0E0, 0.6E0, 0.1E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    317      +                  0.0E0, 0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.0E0,
    318      +                  0.0E0, 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    319      +                  0.0E0, 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    320      +                  0.0E0, 0.0E0, -0.5E0, -0.9E0, 0.6E0, 0.0E0,
    321      +                  0.0E0, 0.0E0, 0.0E0, -0.4E0, -0.9E0, 0.9E0,
    322      +                  0.7E0, -0.5E0, 0.2E0, 0.6E0, 0.5E0, 0.0E0,
    323      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0,
    324      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.5E0,
    325      +                  0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    326      +                  -0.4E0, 0.9E0, -0.5E0, 0.6E0, 0.0E0, 0.0E0,
    327      +                  0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    328      +                  0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    329      +                  0.0E0, 0.6E0, -0.9E0, 0.1E0, 0.0E0, 0.0E0,
    330      +                  0.0E0, 0.0E0, 0.6E0, -0.9E0, 0.1E0, 0.7E0,
    331      +                  -0.5E0, 0.2E0, 0.8E0/
    332       DATA              SSIZE1/0.0E0, 0.3E0, 1.6E0, 3.2E0/
    333       DATA              SSIZE2/0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    334      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    335      +                  0.0E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
    336      +                  1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
    337      +                  1.17E0, 1.17E0, 1.17E0/
    338 *     .. Executable Statements ..
    339 *
    340       DO 120 KI = 1, 4
    341          INCX = INCXS(KI)
    342          INCY = INCYS(KI)
    343          MX = ABS(INCX)
    344          MY = ABS(INCY)
    345 *
    346          DO 100 KN = 1, 4
    347             N = NS(KN)
    348             KSIZE = MIN(2,KN)
    349             LENX = LENS(KN,MX)
    350             LENY = LENS(KN,MY)
    351 *           .. Initialize all argument arrays ..
    352             DO 20 I = 1, 7
    353                SX(I) = DX1(I)
    354                SY(I) = DY1(I)
    355    20       CONTINUE
    356 *
    357             IF (ICASE.EQ.1) THEN
    358 *              .. SDOTTEST ..
    359                CALL STEST1(SDOTTEST(N,SX,INCX,SY,INCY),DT7(KN,KI),
    360      +                     SSIZE1(KN),SFAC)
    361             ELSE IF (ICASE.EQ.2) THEN
    362 *              .. SAXPYTEST ..
    363                CALL SAXPYTEST(N,SA,SX,INCX,SY,INCY)
    364                DO 40 J = 1, LENY
    365                   STY(J) = DT8(J,KN,KI)
    366    40          CONTINUE
    367                CALL STEST(LENY,SY,STY,SSIZE2(1,KSIZE),SFAC)
    368             ELSE IF (ICASE.EQ.5) THEN
    369 *              .. SCOPYTEST ..
    370                DO 60 I = 1, 7
    371                   STY(I) = DT10Y(I,KN,KI)
    372    60          CONTINUE
    373                CALL SCOPYTEST(N,SX,INCX,SY,INCY)
    374                CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0E0)
    375             ELSE IF (ICASE.EQ.6) THEN
    376 *              .. SSWAPTEST ..
    377                CALL SSWAPTEST(N,SX,INCX,SY,INCY)
    378                DO 80 I = 1, 7
    379                   STX(I) = DT10X(I,KN,KI)
    380                   STY(I) = DT10Y(I,KN,KI)
    381    80          CONTINUE
    382                CALL STEST(LENX,SX,STX,SSIZE2(1,1),1.0E0)
    383                CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0E0)
    384             ELSE
    385                WRITE (NOUT,*) ' Shouldn''t be here in CHECK2'
    386                STOP
    387             END IF
    388   100    CONTINUE
    389   120 CONTINUE
    390       RETURN
    391       END
    392       SUBROUTINE CHECK3(SFAC)
    393 *     .. Parameters ..
    394       INTEGER           NOUT
    395       PARAMETER         (NOUT=6)
    396 *     .. Scalar Arguments ..
    397       REAL              SFAC
    398 *     .. Scalars in Common ..
    399       INTEGER           ICASE, INCX, INCY, MODE, N
    400       LOGICAL           PASS
    401 *     .. Local Scalars ..
    402       REAL              SC, SS
    403       INTEGER           I, K, KI, KN, KSIZE, LENX, LENY, MX, MY
    404 *     .. Local Arrays ..
    405       REAL              COPYX(5), COPYY(5), DT9X(7,4,4), DT9Y(7,4,4),
    406      +                  DX1(7), DY1(7), MWPC(11), MWPS(11), MWPSTX(5),
    407      +                  MWPSTY(5), MWPTX(11,5), MWPTY(11,5), MWPX(5),
    408      +                  MWPY(5), SSIZE2(14,2), STX(7), STY(7), SX(7),
    409      +                  SY(7)
    410       INTEGER           INCXS(4), INCYS(4), LENS(4,2), MWPINX(11),
    411      +                  MWPINY(11), MWPN(11), NS(4)
    412 *     .. External Subroutines ..
    413       EXTERNAL          SROTTEST, STEST
    414 *     .. Intrinsic Functions ..
    415       INTRINSIC         ABS, MIN
    416 *     .. Common blocks ..
    417       COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
    418 *     .. Data statements ..
    419       DATA              INCXS/1, 2, -2, -1/
    420       DATA              INCYS/1, -2, 1, -2/
    421       DATA              LENS/1, 1, 2, 4, 1, 1, 3, 7/
    422       DATA              NS/0, 1, 2, 4/
    423       DATA              DX1/0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.9E0, -0.3E0,
    424      +                  -0.4E0/
    425       DATA              DY1/0.5E0, -0.9E0, 0.3E0, 0.7E0, -0.6E0, 0.2E0,
    426      +                  0.8E0/
    427       DATA              SC, SS/0.8E0, 0.6E0/
    428       DATA              DT9X/0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    429      +                  0.0E0, 0.78E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    430      +                  0.0E0, 0.0E0, 0.78E0, -0.46E0, 0.0E0, 0.0E0,
    431      +                  0.0E0, 0.0E0, 0.0E0, 0.78E0, -0.46E0, -0.22E0,
    432      +                  1.06E0, 0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0,
    433      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.78E0,
    434      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    435      +                  0.66E0, 0.1E0, -0.1E0, 0.0E0, 0.0E0, 0.0E0,
    436      +                  0.0E0, 0.96E0, 0.1E0, -0.76E0, 0.8E0, 0.90E0,
    437      +                  -0.3E0, -0.02E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0,
    438      +                  0.0E0, 0.0E0, 0.0E0, 0.78E0, 0.0E0, 0.0E0,
    439      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.06E0, 0.1E0,
    440      +                  -0.1E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.90E0,
    441      +                  0.1E0, -0.22E0, 0.8E0, 0.18E0, -0.3E0, -0.02E0,
    442      +                  0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    443      +                  0.78E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    444      +                  0.0E0, 0.78E0, 0.26E0, 0.0E0, 0.0E0, 0.0E0,
    445      +                  0.0E0, 0.0E0, 0.78E0, 0.26E0, -0.76E0, 1.12E0,
    446      +                  0.0E0, 0.0E0, 0.0E0/
    447       DATA              DT9Y/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    448      +                  0.0E0, 0.04E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    449      +                  0.0E0, 0.0E0, 0.04E0, -0.78E0, 0.0E0, 0.0E0,
    450      +                  0.0E0, 0.0E0, 0.0E0, 0.04E0, -0.78E0, 0.54E0,
    451      +                  0.08E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
    452      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.04E0,
    453      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.7E0,
    454      +                  -0.9E0, -0.12E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    455      +                  0.64E0, -0.9E0, -0.30E0, 0.7E0, -0.18E0, 0.2E0,
    456      +                  0.28E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    457      +                  0.0E0, 0.0E0, 0.04E0, 0.0E0, 0.0E0, 0.0E0,
    458      +                  0.0E0, 0.0E0, 0.0E0, 0.7E0, -1.08E0, 0.0E0,
    459      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.64E0, -1.26E0,
    460      +                  0.54E0, 0.20E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0,
    461      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    462      +                  0.04E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    463      +                  0.0E0, 0.04E0, -0.9E0, 0.18E0, 0.0E0, 0.0E0,
    464      +                  0.0E0, 0.0E0, 0.04E0, -0.9E0, 0.18E0, 0.7E0,
    465      +                  -0.18E0, 0.2E0, 0.16E0/
    466       DATA              SSIZE2/0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    467      +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
    468      +                  0.0E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
    469      +                  1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
    470      +                  1.17E0, 1.17E0, 1.17E0/
    471 *     .. Executable Statements ..
    472 *
    473       DO 60 KI = 1, 4
    474          INCX = INCXS(KI)
    475          INCY = INCYS(KI)
    476          MX = ABS(INCX)
    477          MY = ABS(INCY)
    478 *
    479          DO 40 KN = 1, 4
    480             N = NS(KN)
    481             KSIZE = MIN(2,KN)
    482             LENX = LENS(KN,MX)
    483             LENY = LENS(KN,MY)
    484 *
    485             IF (ICASE.EQ.4) THEN
    486 *              .. SROTTEST ..
    487                DO 20 I = 1, 7
    488                   SX(I) = DX1(I)
    489                   SY(I) = DY1(I)
    490                   STX(I) = DT9X(I,KN,KI)
    491                   STY(I) = DT9Y(I,KN,KI)
    492    20          CONTINUE
    493                CALL SROTTEST(N,SX,INCX,SY,INCY,SC,SS)
    494                CALL STEST(LENX,SX,STX,SSIZE2(1,KSIZE),SFAC)
    495                CALL STEST(LENY,SY,STY,SSIZE2(1,KSIZE),SFAC)
    496             ELSE
    497                WRITE (NOUT,*) ' Shouldn''t be here in CHECK3'
    498                STOP
    499             END IF
    500    40    CONTINUE
    501    60 CONTINUE
    502 *
    503       MWPC(1) = 1
    504       DO 80 I = 2, 11
    505          MWPC(I) = 0
    506    80 CONTINUE
    507       MWPS(1) = 0
    508       DO 100 I = 2, 6
    509          MWPS(I) = 1
    510   100 CONTINUE
    511       DO 120 I = 7, 11
    512          MWPS(I) = -1
    513   120 CONTINUE
    514       MWPINX(1) = 1
    515       MWPINX(2) = 1
    516       MWPINX(3) = 1
    517       MWPINX(4) = -1
    518       MWPINX(5) = 1
    519       MWPINX(6) = -1
    520       MWPINX(7) = 1
    521       MWPINX(8) = 1
    522       MWPINX(9) = -1
    523       MWPINX(10) = 1
    524       MWPINX(11) = -1
    525       MWPINY(1) = 1
    526       MWPINY(2) = 1
    527       MWPINY(3) = -1
    528       MWPINY(4) = -1
    529       MWPINY(5) = 2
    530       MWPINY(6) = 1
    531       MWPINY(7) = 1
    532       MWPINY(8) = -1
    533       MWPINY(9) = -1
    534       MWPINY(10) = 2
    535       MWPINY(11) = 1
    536       DO 140 I = 1, 11
    537          MWPN(I) = 5
    538   140 CONTINUE
    539       MWPN(5) = 3
    540       MWPN(10) = 3
    541       DO 160 I = 1, 5
    542          MWPX(I) = I
    543          MWPY(I) = I
    544          MWPTX(1,I) = I
    545          MWPTY(1,I) = I
    546          MWPTX(2,I) = I
    547          MWPTY(2,I) = -I
    548          MWPTX(3,I) = 6 - I
    549          MWPTY(3,I) = I - 6
    550          MWPTX(4,I) = I
    551          MWPTY(4,I) = -I
    552          MWPTX(6,I) = 6 - I
    553          MWPTY(6,I) = I - 6
    554          MWPTX(7,I) = -I
    555          MWPTY(7,I) = I
    556          MWPTX(8,I) = I - 6
    557          MWPTY(8,I) = 6 - I
    558          MWPTX(9,I) = -I
    559          MWPTY(9,I) = I
    560          MWPTX(11,I) = I - 6
    561          MWPTY(11,I) = 6 - I
    562   160 CONTINUE
    563       MWPTX(5,1) = 1
    564       MWPTX(5,2) = 3
    565       MWPTX(5,3) = 5
    566       MWPTX(5,4) = 4
    567       MWPTX(5,5) = 5
    568       MWPTY(5,1) = -1
    569       MWPTY(5,2) = 2
    570       MWPTY(5,3) = -2
    571       MWPTY(5,4) = 4
    572       MWPTY(5,5) = -3
    573       MWPTX(10,1) = -1
    574       MWPTX(10,2) = -3
    575       MWPTX(10,3) = -5
    576       MWPTX(10,4) = 4
    577       MWPTX(10,5) = 5
    578       MWPTY(10,1) = 1
    579       MWPTY(10,2) = 2
    580       MWPTY(10,3) = 2
    581       MWPTY(10,4) = 4
    582       MWPTY(10,5) = 3
    583       DO 200 I = 1, 11
    584          INCX = MWPINX(I)
    585          INCY = MWPINY(I)
    586          DO 180 K = 1, 5
    587             COPYX(K) = MWPX(K)
    588             COPYY(K) = MWPY(K)
    589             MWPSTX(K) = MWPTX(I,K)
    590             MWPSTY(K) = MWPTY(I,K)
    591   180    CONTINUE
    592          CALL SROTTEST(MWPN(I),COPYX,INCX,COPYY,INCY,MWPC(I),MWPS(I))
    593          CALL STEST(5,COPYX,MWPSTX,MWPSTX,SFAC)
    594          CALL STEST(5,COPYY,MWPSTY,MWPSTY,SFAC)
    595   200 CONTINUE
    596       RETURN
    597       END
    598       SUBROUTINE STEST(LEN,SCOMP,STRUE,SSIZE,SFAC)
    599 *     ********************************* STEST **************************
    600 *
    601 *     THIS SUBR COMPARES ARRAYS  SCOMP() AND STRUE() OF LENGTH LEN TO
    602 *     SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
    603 *     NEGLIGIBLE.
    604 *
    605 *     C. L. LAWSON, JPL, 1974 DEC 10
    606 *
    607 *     .. Parameters ..
    608       INTEGER          NOUT
    609       PARAMETER        (NOUT=6)
    610 *     .. Scalar Arguments ..
    611       REAL             SFAC
    612       INTEGER          LEN
    613 *     .. Array Arguments ..
    614       REAL             SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
    615 *     .. Scalars in Common ..
    616       INTEGER          ICASE, INCX, INCY, MODE, N
    617       LOGICAL          PASS
    618 *     .. Local Scalars ..
    619       REAL             SD
    620       INTEGER          I
    621 *     .. External Functions ..
    622       REAL             SDIFF
    623       EXTERNAL         SDIFF
    624 *     .. Intrinsic Functions ..
    625       INTRINSIC        ABS
    626 *     .. Common blocks ..
    627       COMMON           /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
    628 *     .. Executable Statements ..
    629 *
    630       DO 40 I = 1, LEN
    631          SD = SCOMP(I) - STRUE(I)
    632          IF (SDIFF(ABS(SSIZE(I))+ABS(SFAC*SD),ABS(SSIZE(I))).EQ.0.0E0)
    633      +       GO TO 40
    634 *
    635 *                             HERE    SCOMP(I) IS NOT CLOSE TO STRUE(I).
    636 *
    637          IF ( .NOT. PASS) GO TO 20
    638 *                             PRINT FAIL MESSAGE AND HEADER.
    639          PASS = .FALSE.
    640          WRITE (NOUT,99999)
    641          WRITE (NOUT,99998)
    642    20    WRITE (NOUT,99997) ICASE, N, INCX, INCY, MODE, I, SCOMP(I),
    643      +     STRUE(I), SD, SSIZE(I)
    644    40 CONTINUE
    645       RETURN
    646 *
    647 99999 FORMAT ('                                       FAIL')
    648 99998 FORMAT (/' CASE  N INCX INCY MODE  I                            ',
    649      +       ' COMP(I)                             TRUE(I)  DIFFERENCE',
    650      +       '     SIZE(I)',/1X)
    651 99997 FORMAT (1X,I4,I3,3I5,I3,2E36.8,2E12.4)
    652       END
    653       SUBROUTINE STEST1(SCOMP1,STRUE1,SSIZE,SFAC)
    654 *     ************************* STEST1 *****************************
    655 *
    656 *     THIS IS AN INTERFACE SUBROUTINE TO ACCOMODATE THE FORTRAN
    657 *     REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
    658 *     ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
    659 *
    660 *     C.L. LAWSON, JPL, 1978 DEC 6
    661 *
    662 *     .. Scalar Arguments ..
    663       REAL              SCOMP1, SFAC, STRUE1
    664 *     .. Array Arguments ..
    665       REAL              SSIZE(*)
    666 *     .. Local Arrays ..
    667       REAL              SCOMP(1), STRUE(1)
    668 *     .. External Subroutines ..
    669       EXTERNAL          STEST
    670 *     .. Executable Statements ..
    671 *
    672       SCOMP(1) = SCOMP1
    673       STRUE(1) = STRUE1
    674       CALL STEST(1,SCOMP,STRUE,SSIZE,SFAC)
    675 *
    676       RETURN
    677       END
    678       REAL             FUNCTION SDIFF(SA,SB)
    679 *     ********************************* SDIFF **************************
    680 *     COMPUTES DIFFERENCE OF TWO NUMBERS.  C. L. LAWSON, JPL 1974 FEB 15
    681 *
    682 *     .. Scalar Arguments ..
    683       REAL                            SA, SB
    684 *     .. Executable Statements ..
    685       SDIFF = SA - SB
    686       RETURN
    687       END
    688       SUBROUTINE ITEST1(ICOMP,ITRUE)
    689 *     ********************************* ITEST1 *************************
    690 *
    691 *     THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
    692 *     EQUALITY.
    693 *     C. L. LAWSON, JPL, 1974 DEC 10
    694 *
    695 *     .. Parameters ..
    696       INTEGER           NOUT
    697       PARAMETER         (NOUT=6)
    698 *     .. Scalar Arguments ..
    699       INTEGER           ICOMP, ITRUE
    700 *     .. Scalars in Common ..
    701       INTEGER           ICASE, INCX, INCY, MODE, N
    702       LOGICAL           PASS
    703 *     .. Local Scalars ..
    704       INTEGER           ID
    705 *     .. Common blocks ..
    706       COMMON            /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
    707 *     .. Executable Statements ..
    708 *
    709       IF (ICOMP.EQ.ITRUE) GO TO 40
    710 *
    711 *                            HERE ICOMP IS NOT EQUAL TO ITRUE.
    712 *
    713       IF ( .NOT. PASS) GO TO 20
    714 *                             PRINT FAIL MESSAGE AND HEADER.
    715       PASS = .FALSE.
    716       WRITE (NOUT,99999)
    717       WRITE (NOUT,99998)
    718    20 ID = ICOMP - ITRUE
    719       WRITE (NOUT,99997) ICASE, N, INCX, INCY, MODE, ICOMP, ITRUE, ID
    720    40 CONTINUE
    721       RETURN
    722 *
    723 99999 FORMAT ('                                       FAIL')
    724 99998 FORMAT (/' CASE  N INCX INCY MODE                               ',
    725      +       ' COMP                                TRUE     DIFFERENCE',
    726      +       /1X)
    727 99997 FORMAT (1X,I4,I3,3I5,2I36,I12)
    728       END
    729