1*> \brief \b SBLAT1
2*
3*  =========== DOCUMENTATION ===========
4*
5* Online html documentation available at
6*            http://www.netlib.org/lapack/explore-html/
7*
8*  Definition:
9*  ===========
10*
11*       PROGRAM SBLAT1
12*
13*
14*> \par Purpose:
15*  =============
16*>
17*> \verbatim
18*>
19*>    Test program for the REAL Level 1 BLAS.
20*>
21*>    Based upon the original BLAS test routine together with:
22*>    F06EAF Example Program Text
23*> \endverbatim
24*
25*  Authors:
26*  ========
27*
28*> \author Univ. of Tennessee
29*> \author Univ. of California Berkeley
30*> \author Univ. of Colorado Denver
31*> \author NAG Ltd.
32*
33*> \date April 2012
34*
35*> \ingroup single_blas_testing
36*
37*  =====================================================================
38      PROGRAM SBLAT1
39*
40*  -- Reference BLAS test routine (version 3.4.1) --
41*  -- Reference BLAS is a software package provided by Univ. of Tennessee,    --
42*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
43*     April 2012
44*
45*  =====================================================================
46*
47*     .. Parameters ..
48      INTEGER          NOUT
49      PARAMETER        (NOUT=6)
50*     .. Scalars in Common ..
51      INTEGER          ICASE, INCX, INCY, N
52      LOGICAL          PASS
53*     .. Local Scalars ..
54      REAL             SFAC
55      INTEGER          IC
56*     .. External Subroutines ..
57      EXTERNAL         CHECK0, CHECK1, CHECK2, CHECK3, HEADER
58*     .. Common blocks ..
59      COMMON           /COMBLA/ICASE, N, INCX, INCY, PASS
60*     .. Data statements ..
61      DATA             SFAC/9.765625E-4/
62*     .. Executable Statements ..
63      WRITE (NOUT,99999)
64      DO 20 IC = 1, 13
65         ICASE = IC
66         CALL HEADER
67*
68*        .. Initialize  PASS,  INCX,  and INCY for a new case. ..
69*        .. the value 9999 for INCX or INCY will appear in the ..
70*        .. detailed  output, if any, for cases  that do not involve ..
71*        .. these parameters ..
72*
73         PASS = .TRUE.
74         INCX = 9999
75         INCY = 9999
76         IF (ICASE.EQ.3 .OR. ICASE.EQ.11) THEN
77            CALL CHECK0(SFAC)
78         ELSE IF (ICASE.EQ.7 .OR. ICASE.EQ.8 .OR. ICASE.EQ.9 .OR.
79     +            ICASE.EQ.10) THEN
80            CALL CHECK1(SFAC)
81         ELSE IF (ICASE.EQ.1 .OR. ICASE.EQ.2 .OR. ICASE.EQ.5 .OR.
82     +            ICASE.EQ.6 .OR. ICASE.EQ.12 .OR. ICASE.EQ.13) THEN
83            CALL CHECK2(SFAC)
84         ELSE IF (ICASE.EQ.4) THEN
85            CALL CHECK3(SFAC)
86         END IF
87*        -- Print
88         IF (PASS) WRITE (NOUT,99998)
89   20 CONTINUE
90      STOP
91*
9299999 FORMAT (' Real BLAS Test Program Results',/1X)
9399998 FORMAT ('                                    ----- PASS -----')
94      END
95      SUBROUTINE HEADER
96*     .. Parameters ..
97      INTEGER          NOUT
98      PARAMETER        (NOUT=6)
99*     .. Scalars in Common ..
100      INTEGER          ICASE, INCX, INCY, N
101      LOGICAL          PASS
102*     .. Local Arrays ..
103      CHARACTER*6      L(13)
104*     .. Common blocks ..
105      COMMON           /COMBLA/ICASE, N, INCX, INCY, PASS
106*     .. Data statements ..
107      DATA             L(1)/' SDOT '/
108      DATA             L(2)/'SAXPY '/
109      DATA             L(3)/'SROTG '/
110      DATA             L(4)/' SROT '/
111      DATA             L(5)/'SCOPY '/
112      DATA             L(6)/'SSWAP '/
113      DATA             L(7)/'SNRM2 '/
114      DATA             L(8)/'SASUM '/
115      DATA             L(9)/'SSCAL '/
116      DATA             L(10)/'ISAMAX'/
117      DATA             L(11)/'SROTMG'/
118      DATA             L(12)/'SROTM '/
119      DATA             L(13)/'SDSDOT'/
120*     .. Executable Statements ..
121      WRITE (NOUT,99999) ICASE, L(ICASE)
122      RETURN
123*
12499999 FORMAT (/' Test of subprogram number',I3,12X,A6)
125      END
126      SUBROUTINE CHECK0(SFAC)
127*     .. Parameters ..
128      INTEGER           NOUT
129      PARAMETER         (NOUT=6)
130*     .. Scalar Arguments ..
131      REAL              SFAC
132*     .. Scalars in Common ..
133      INTEGER           ICASE, INCX, INCY, N
134      LOGICAL           PASS
135*     .. Local Scalars ..
136      REAL              D12, SA, SB, SC, SS
137      INTEGER           I, K
138*     .. Local Arrays ..
139      REAL              DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
140     +                  DS1(8), DAB(4,9), DTEMP(9), DTRUE(9,9)
141*     .. External Subroutines ..
142      EXTERNAL          SROTG, SROTMG, STEST1
143*     .. Common blocks ..
144      COMMON            /COMBLA/ICASE, N, INCX, INCY, PASS
145*     .. Data statements ..
146      DATA              DA1/0.3E0, 0.4E0, -0.3E0, -0.4E0, -0.3E0, 0.0E0,
147     +                  0.0E0, 1.0E0/
148      DATA              DB1/0.4E0, 0.3E0, 0.4E0, 0.3E0, -0.4E0, 0.0E0,
149     +                  1.0E0, 0.0E0/
150      DATA              DC1/0.6E0, 0.8E0, -0.6E0, 0.8E0, 0.6E0, 1.0E0,
151     +                  0.0E0, 1.0E0/
152      DATA              DS1/0.8E0, 0.6E0, 0.8E0, -0.6E0, 0.8E0, 0.0E0,
153     +                  1.0E0, 0.0E0/
154      DATA              DATRUE/0.5E0, 0.5E0, 0.5E0, -0.5E0, -0.5E0,
155     +                  0.0E0, 1.0E0, 1.0E0/
156      DATA              DBTRUE/0.0E0, 0.6E0, 0.0E0, -0.6E0, 0.0E0,
157     +                  0.0E0, 1.0E0, 0.0E0/
158*     INPUT FOR MODIFIED GIVENS
159      DATA DAB/ .1E0,.3E0,1.2E0,.2E0,
160     A          .7E0, .2E0, .6E0, 4.2E0,
161     B          0.E0,0.E0,0.E0,0.E0,
162     C          4.E0, -1.E0, 2.E0, 4.E0,
163     D          6.E-10, 2.E-2, 1.E5, 10.E0,
164     E          4.E10, 2.E-2, 1.E-5, 10.E0,
165     F          2.E-10, 4.E-2, 1.E5, 10.E0,
166     G          2.E10, 4.E-2, 1.E-5, 10.E0,
167     H          4.E0, -2.E0, 8.E0, 4.E0    /
168*    TRUE RESULTS FOR MODIFIED GIVENS
169      DATA DTRUE/0.E0,0.E0, 1.3E0, .2E0, 0.E0,0.E0,0.E0, .5E0, 0.E0,
170     A           0.E0,0.E0, 4.5E0, 4.2E0, 1.E0, .5E0, 0.E0,0.E0,0.E0,
171     B           0.E0,0.E0,0.E0,0.E0, -2.E0, 0.E0,0.E0,0.E0,0.E0,
172     C           0.E0,0.E0,0.E0, 4.E0, -1.E0, 0.E0,0.E0,0.E0,0.E0,
173     D           0.E0, 15.E-3, 0.E0, 10.E0, -1.E0, 0.E0, -1.E-4,
174     E           0.E0, 1.E0,
175     F           0.E0,0.E0, 6144.E-5, 10.E0, -1.E0, 4096.E0, -1.E6,
176     G           0.E0, 1.E0,
177     H           0.E0,0.E0,15.E0,10.E0,-1.E0, 5.E-5, 0.E0,1.E0,0.E0,
178     I           0.E0,0.E0, 15.E0, 10.E0, -1. E0, 5.E5, -4096.E0,
179     J           1.E0, 4096.E-6,
180     K           0.E0,0.E0, 7.E0, 4.E0, 0.E0,0.E0, -.5E0, -.25E0, 0.E0/
181*                   4096 = 2 ** 12
182      DATA D12  /4096.E0/
183      DTRUE(1,1) = 12.E0 / 130.E0
184      DTRUE(2,1) = 36.E0 / 130.E0
185      DTRUE(7,1) = -1.E0 / 6.E0
186      DTRUE(1,2) = 14.E0 / 75.E0
187      DTRUE(2,2) = 49.E0 / 75.E0
188      DTRUE(9,2) = 1.E0 / 7.E0
189      DTRUE(1,5) = 45.E-11 * (D12 * D12)
190      DTRUE(3,5) = 4.E5 / (3.E0 * D12)
191      DTRUE(6,5) = 1.E0 / D12
192      DTRUE(8,5) = 1.E4 / (3.E0 * D12)
193      DTRUE(1,6) = 4.E10 / (1.5E0 * D12 * D12)
194      DTRUE(2,6) = 2.E-2 / 1.5E0
195      DTRUE(8,6) = 5.E-7 * D12
196      DTRUE(1,7) = 4.E0 / 150.E0
197      DTRUE(2,7) = (2.E-10 / 1.5E0) * (D12 * D12)
198      DTRUE(7,7) = -DTRUE(6,5)
199      DTRUE(9,7) = 1.E4 / D12
200      DTRUE(1,8) = DTRUE(1,7)
201      DTRUE(2,8) = 2.E10 / (1.5E0 * D12 * D12)
202      DTRUE(1,9) = 32.E0 / 7.E0
203      DTRUE(2,9) = -16.E0 / 7.E0
204*     .. Executable Statements ..
205*
206*     Compute true values which cannot be prestored
207*     in decimal notation
208*
209      DBTRUE(1) = 1.0E0/0.6E0
210      DBTRUE(3) = -1.0E0/0.6E0
211      DBTRUE(5) = 1.0E0/0.6E0
212*
213      DO 20 K = 1, 8
214*        .. Set N=K for identification in output if any ..
215         N = K
216         IF (ICASE.EQ.3) THEN
217*           .. SROTG ..
218            IF (K.GT.8) GO TO 40
219            SA = DA1(K)
220            SB = DB1(K)
221            CALL SROTG(SA,SB,SC,SS)
222            CALL STEST1(SA,DATRUE(K),DATRUE(K),SFAC)
223            CALL STEST1(SB,DBTRUE(K),DBTRUE(K),SFAC)
224            CALL STEST1(SC,DC1(K),DC1(K),SFAC)
225            CALL STEST1(SS,DS1(K),DS1(K),SFAC)
226         ELSEIF (ICASE.EQ.11) THEN
227*           .. SROTMG ..
228            DO I=1,4
229               DTEMP(I)= DAB(I,K)
230               DTEMP(I+4) = 0.0
231            END DO
232            DTEMP(9) = 0.0
233            CALL SROTMG(DTEMP(1),DTEMP(2),DTEMP(3),DTEMP(4),DTEMP(5))
234            CALL STEST(9,DTEMP,DTRUE(1,K),DTRUE(1,K),SFAC)
235         ELSE
236            WRITE (NOUT,*) ' Shouldn''t be here in CHECK0'
237            STOP
238         END IF
239   20 CONTINUE
240   40 RETURN
241      END
242      SUBROUTINE CHECK1(SFAC)
243*     .. Parameters ..
244      INTEGER           NOUT
245      PARAMETER         (NOUT=6)
246*     .. Scalar Arguments ..
247      REAL              SFAC
248*     .. Scalars in Common ..
249      INTEGER           ICASE, INCX, INCY, N
250      LOGICAL           PASS
251*     .. Local Scalars ..
252      INTEGER           I, LEN, NP1
253*     .. Local Arrays ..
254      REAL              DTRUE1(5), DTRUE3(5), DTRUE5(8,5,2), DV(8,5,2),
255     +                  SA(10), STEMP(1), STRUE(8), SX(8)
256      INTEGER           ITRUE2(5)
257*     .. External Functions ..
258      REAL              SASUM, SNRM2
259      INTEGER           ISAMAX
260      EXTERNAL          SASUM, SNRM2, ISAMAX
261*     .. External Subroutines ..
262      EXTERNAL          ITEST1, SSCAL, STEST, STEST1
263*     .. Intrinsic Functions ..
264      INTRINSIC         MAX
265*     .. Common blocks ..
266      COMMON            /COMBLA/ICASE, N, INCX, INCY, PASS
267*     .. Data statements ..
268      DATA              SA/0.3E0, -1.0E0, 0.0E0, 1.0E0, 0.3E0, 0.3E0,
269     +                  0.3E0, 0.3E0, 0.3E0, 0.3E0/
270      DATA              DV/0.1E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
271     +                  2.0E0, 2.0E0, 0.3E0, 3.0E0, 3.0E0, 3.0E0, 3.0E0,
272     +                  3.0E0, 3.0E0, 3.0E0, 0.3E0, -0.4E0, 4.0E0,
273     +                  4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0, 0.2E0,
274     +                  -0.6E0, 0.3E0, 5.0E0, 5.0E0, 5.0E0, 5.0E0,
275     +                  5.0E0, 0.1E0, -0.3E0, 0.5E0, -0.1E0, 6.0E0,
276     +                  6.0E0, 6.0E0, 6.0E0, 0.1E0, 8.0E0, 8.0E0, 8.0E0,
277     +                  8.0E0, 8.0E0, 8.0E0, 8.0E0, 0.3E0, 9.0E0, 9.0E0,
278     +                  9.0E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0, 0.3E0, 2.0E0,
279     +                  -0.4E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
280     +                  0.2E0, 3.0E0, -0.6E0, 5.0E0, 0.3E0, 2.0E0,
281     +                  2.0E0, 2.0E0, 0.1E0, 4.0E0, -0.3E0, 6.0E0,
282     +                  -0.5E0, 7.0E0, -0.1E0, 3.0E0/
283      DATA              DTRUE1/0.0E0, 0.3E0, 0.5E0, 0.7E0, 0.6E0/
284      DATA              DTRUE3/0.0E0, 0.3E0, 0.7E0, 1.1E0, 1.0E0/
285      DATA              DTRUE5/0.10E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
286     +                  2.0E0, 2.0E0, 2.0E0, -0.3E0, 3.0E0, 3.0E0,
287     +                  3.0E0, 3.0E0, 3.0E0, 3.0E0, 3.0E0, 0.0E0, 0.0E0,
288     +                  4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0,
289     +                  0.20E0, -0.60E0, 0.30E0, 5.0E0, 5.0E0, 5.0E0,
290     +                  5.0E0, 5.0E0, 0.03E0, -0.09E0, 0.15E0, -0.03E0,
291     +                  6.0E0, 6.0E0, 6.0E0, 6.0E0, 0.10E0, 8.0E0,
292     +                  8.0E0, 8.0E0, 8.0E0, 8.0E0, 8.0E0, 8.0E0,
293     +                  0.09E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0,
294     +                  9.0E0, 9.0E0, 0.09E0, 2.0E0, -0.12E0, 2.0E0,
295     +                  2.0E0, 2.0E0, 2.0E0, 2.0E0, 0.06E0, 3.0E0,
296     +                  -0.18E0, 5.0E0, 0.09E0, 2.0E0, 2.0E0, 2.0E0,
297     +                  0.03E0, 4.0E0, -0.09E0, 6.0E0, -0.15E0, 7.0E0,
298     +                  -0.03E0, 3.0E0/
299      DATA              ITRUE2/0, 1, 2, 2, 3/
300*     .. Executable Statements ..
301      DO 80 INCX = 1, 2
302         DO 60 NP1 = 1, 5
303            N = NP1 - 1
304            LEN = 2*MAX(N,1)
305*           .. Set vector arguments ..
306            DO 20 I = 1, LEN
307               SX(I) = DV(I,NP1,INCX)
308   20       CONTINUE
309*
310            IF (ICASE.EQ.7) THEN
311*              .. SNRM2 ..
312               STEMP(1) = DTRUE1(NP1)
313               CALL STEST1(SNRM2(N,SX,INCX),STEMP(1),STEMP,SFAC)
314            ELSE IF (ICASE.EQ.8) THEN
315*              .. SASUM ..
316               STEMP(1) = DTRUE3(NP1)
317               CALL STEST1(SASUM(N,SX,INCX),STEMP(1),STEMP,SFAC)
318            ELSE IF (ICASE.EQ.9) THEN
319*              .. SSCAL ..
320               CALL SSCAL(N,SA((INCX-1)*5+NP1),SX,INCX)
321               DO 40 I = 1, LEN
322                  STRUE(I) = DTRUE5(I,NP1,INCX)
323   40          CONTINUE
324               CALL STEST(LEN,SX,STRUE,STRUE,SFAC)
325            ELSE IF (ICASE.EQ.10) THEN
326*              .. ISAMAX ..
327               CALL ITEST1(ISAMAX(N,SX,INCX),ITRUE2(NP1))
328            ELSE
329               WRITE (NOUT,*) ' Shouldn''t be here in CHECK1'
330               STOP
331            END IF
332   60    CONTINUE
333   80 CONTINUE
334      RETURN
335      END
336      SUBROUTINE CHECK2(SFAC)
337*     .. Parameters ..
338      INTEGER           NOUT
339      PARAMETER         (NOUT=6)
340*     .. Scalar Arguments ..
341      REAL              SFAC
342*     .. Scalars in Common ..
343      INTEGER           ICASE, INCX, INCY, N
344      LOGICAL           PASS
345*     .. Local Scalars ..
346      REAL              SA
347      INTEGER           I, J, KI, KN, KNI, KPAR, KSIZE, LENX, LENY,
348     $                  MX, MY
349*     .. Local Arrays ..
350      REAL              DT10X(7,4,4), DT10Y(7,4,4), DT7(4,4),
351     $                  DT8(7,4,4), DX1(7),
352     $                  DY1(7), SSIZE1(4), SSIZE2(14,2), SSIZE3(4),
353     $                  SSIZE(7), STX(7), STY(7), SX(7), SY(7),
354     $                  DPAR(5,4), DT19X(7,4,16),DT19XA(7,4,4),
355     $                  DT19XB(7,4,4), DT19XC(7,4,4),DT19XD(7,4,4),
356     $                  DT19Y(7,4,16), DT19YA(7,4,4),DT19YB(7,4,4),
357     $                  DT19YC(7,4,4), DT19YD(7,4,4), DTEMP(5),
358     $                  ST7B(4,4)
359      INTEGER           INCXS(4), INCYS(4), LENS(4,2), NS(4)
360*     .. External Functions ..
361      REAL              SDOT, SDSDOT
362      EXTERNAL          SDOT, SDSDOT
363*     .. External Subroutines ..
364      EXTERNAL          SAXPY, SCOPY, SROTM, SSWAP, STEST, STEST1
365*     .. Intrinsic Functions ..
366      INTRINSIC         ABS, MIN
367*     .. Common blocks ..
368      COMMON            /COMBLA/ICASE, N, INCX, INCY, PASS
369*     .. Data statements ..
370      EQUIVALENCE (DT19X(1,1,1),DT19XA(1,1,1)),(DT19X(1,1,5),
371     A   DT19XB(1,1,1)),(DT19X(1,1,9),DT19XC(1,1,1)),
372     B   (DT19X(1,1,13),DT19XD(1,1,1))
373      EQUIVALENCE (DT19Y(1,1,1),DT19YA(1,1,1)),(DT19Y(1,1,5),
374     A   DT19YB(1,1,1)),(DT19Y(1,1,9),DT19YC(1,1,1)),
375     B   (DT19Y(1,1,13),DT19YD(1,1,1))
376
377      DATA              SA/0.3E0/
378      DATA              INCXS/1, 2, -2, -1/
379      DATA              INCYS/1, -2, 1, -2/
380      DATA              LENS/1, 1, 2, 4, 1, 1, 3, 7/
381      DATA              NS/0, 1, 2, 4/
382      DATA              DX1/0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.9E0, -0.3E0,
383     +                  -0.4E0/
384      DATA              DY1/0.5E0, -0.9E0, 0.3E0, 0.7E0, -0.6E0, 0.2E0,
385     +                  0.8E0/
386      DATA              DT7/0.0E0, 0.30E0, 0.21E0, 0.62E0, 0.0E0,
387     +                  0.30E0, -0.07E0, 0.85E0, 0.0E0, 0.30E0, -0.79E0,
388     +                  -0.74E0, 0.0E0, 0.30E0, 0.33E0, 1.27E0/
389      DATA              ST7B/ .1, .4, .31, .72,     .1, .4, .03, .95,
390     +                  .1, .4, -.69, -.64,   .1, .4, .43, 1.37/
391      DATA              DT8/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
392     +                  0.0E0, 0.68E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
393     +                  0.0E0, 0.0E0, 0.68E0, -0.87E0, 0.0E0, 0.0E0,
394     +                  0.0E0, 0.0E0, 0.0E0, 0.68E0, -0.87E0, 0.15E0,
395     +                  0.94E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
396     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.68E0,
397     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
398     +                  0.35E0, -0.9E0, 0.48E0, 0.0E0, 0.0E0, 0.0E0,
399     +                  0.0E0, 0.38E0, -0.9E0, 0.57E0, 0.7E0, -0.75E0,
400     +                  0.2E0, 0.98E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0,
401     +                  0.0E0, 0.0E0, 0.0E0, 0.68E0, 0.0E0, 0.0E0,
402     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.35E0, -0.72E0,
403     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.38E0,
404     +                  -0.63E0, 0.15E0, 0.88E0, 0.0E0, 0.0E0, 0.0E0,
405     +                  0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
406     +                  0.68E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
407     +                  0.0E0, 0.68E0, -0.9E0, 0.33E0, 0.0E0, 0.0E0,
408     +                  0.0E0, 0.0E0, 0.68E0, -0.9E0, 0.33E0, 0.7E0,
409     +                  -0.75E0, 0.2E0, 1.04E0/
410      DATA              DT10X/0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
411     +                  0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
412     +                  0.0E0, 0.5E0, -0.9E0, 0.0E0, 0.0E0, 0.0E0,
413     +                  0.0E0, 0.0E0, 0.5E0, -0.9E0, 0.3E0, 0.7E0,
414     +                  0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0,
415     +                  0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0,
416     +                  0.0E0, 0.0E0, 0.0E0, 0.3E0, 0.1E0, 0.5E0, 0.0E0,
417     +                  0.0E0, 0.0E0, 0.0E0, 0.8E0, 0.1E0, -0.6E0,
418     +                  0.8E0, 0.3E0, -0.3E0, 0.5E0, 0.6E0, 0.0E0,
419     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
420     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.9E0,
421     +                  0.1E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.7E0,
422     +                  0.1E0, 0.3E0, 0.8E0, -0.9E0, -0.3E0, 0.5E0,
423     +                  0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
424     +                  0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
425     +                  0.5E0, 0.3E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
426     +                  0.5E0, 0.3E0, -0.6E0, 0.8E0, 0.0E0, 0.0E0,
427     +                  0.0E0/
428      DATA              DT10Y/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
429     +                  0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
430     +                  0.0E0, 0.6E0, 0.1E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
431     +                  0.0E0, 0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.0E0,
432     +                  0.0E0, 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
433     +                  0.0E0, 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
434     +                  0.0E0, 0.0E0, -0.5E0, -0.9E0, 0.6E0, 0.0E0,
435     +                  0.0E0, 0.0E0, 0.0E0, -0.4E0, -0.9E0, 0.9E0,
436     +                  0.7E0, -0.5E0, 0.2E0, 0.6E0, 0.5E0, 0.0E0,
437     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0,
438     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.5E0,
439     +                  0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
440     +                  -0.4E0, 0.9E0, -0.5E0, 0.6E0, 0.0E0, 0.0E0,
441     +                  0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
442     +                  0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
443     +                  0.0E0, 0.6E0, -0.9E0, 0.1E0, 0.0E0, 0.0E0,
444     +                  0.0E0, 0.0E0, 0.6E0, -0.9E0, 0.1E0, 0.7E0,
445     +                  -0.5E0, 0.2E0, 0.8E0/
446      DATA              SSIZE1/0.0E0, 0.3E0, 1.6E0, 3.2E0/
447      DATA              SSIZE2/0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
448     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
449     +                  0.0E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
450     +                  1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
451     +                  1.17E0, 1.17E0, 1.17E0/
452      DATA              SSIZE3/ .1, .4, 1.7, 3.3 /
453*
454*                         FOR DROTM
455*
456      DATA DPAR/-2.E0,  0.E0,0.E0,0.E0,0.E0,
457     A          -1.E0,  2.E0, -3.E0, -4.E0,  5.E0,
458     B           0.E0,  0.E0,  2.E0, -3.E0,  0.E0,
459     C           1.E0,  5.E0,  2.E0,  0.E0, -4.E0/
460*                        TRUE X RESULTS F0R ROTATIONS DROTM
461      DATA DT19XA/.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
462     A            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
463     B            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
464     C            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
465     D            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
466     E           -.8E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
467     F           -.9E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
468     G           3.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
469     H            .6E0,   .1E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
470     I           -.8E0,  3.8E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
471     J           -.9E0,  2.8E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
472     K           3.5E0,  -.4E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
473     L            .6E0,   .1E0,  -.5E0,   .8E0,          0.E0,0.E0,0.E0,
474     M           -.8E0,  3.8E0, -2.2E0, -1.2E0,          0.E0,0.E0,0.E0,
475     N           -.9E0,  2.8E0, -1.4E0, -1.3E0,          0.E0,0.E0,0.E0,
476     O           3.5E0,  -.4E0, -2.2E0,  4.7E0,          0.E0,0.E0,0.E0/
477*
478      DATA DT19XB/.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
479     A            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
480     B            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
481     C            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
482     D            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
483     E           -.8E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
484     F           -.9E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
485     G           3.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
486     H            .6E0,   .1E0,  -.5E0,             0.E0,0.E0,0.E0,0.E0,
487     I           0.E0,    .1E0, -3.0E0,             0.E0,0.E0,0.E0,0.E0,
488     J           -.3E0,   .1E0, -2.0E0,             0.E0,0.E0,0.E0,0.E0,
489     K           3.3E0,   .1E0, -2.0E0,             0.E0,0.E0,0.E0,0.E0,
490     L            .6E0,   .1E0,  -.5E0,   .8E0,   .9E0,  -.3E0,  -.4E0,
491     M          -2.0E0,   .1E0,  1.4E0,   .8E0,   .6E0,  -.3E0, -2.8E0,
492     N          -1.8E0,   .1E0,  1.3E0,   .8E0,  0.E0,   -.3E0, -1.9E0,
493     O           3.8E0,   .1E0, -3.1E0,   .8E0,  4.8E0,  -.3E0, -1.5E0 /
494*
495      DATA DT19XC/.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
496     A            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
497     B            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
498     C            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
499     D            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
500     E           -.8E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
501     F           -.9E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
502     G           3.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
503     H            .6E0,   .1E0,  -.5E0,             0.E0,0.E0,0.E0,0.E0,
504     I           4.8E0,   .1E0, -3.0E0,             0.E0,0.E0,0.E0,0.E0,
505     J           3.3E0,   .1E0, -2.0E0,             0.E0,0.E0,0.E0,0.E0,
506     K           2.1E0,   .1E0, -2.0E0,             0.E0,0.E0,0.E0,0.E0,
507     L            .6E0,   .1E0,  -.5E0,   .8E0,   .9E0,  -.3E0,  -.4E0,
508     M          -1.6E0,   .1E0, -2.2E0,   .8E0,  5.4E0,  -.3E0, -2.8E0,
509     N          -1.5E0,   .1E0, -1.4E0,   .8E0,  3.6E0,  -.3E0, -1.9E0,
510     O           3.7E0,   .1E0, -2.2E0,   .8E0,  3.6E0,  -.3E0, -1.5E0 /
511*
512      DATA DT19XD/.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
513     A            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
514     B            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
515     C            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
516     D            .6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
517     E           -.8E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
518     F           -.9E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
519     G           3.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
520     H            .6E0,   .1E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
521     I           -.8E0, -1.0E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
522     J           -.9E0,  -.8E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
523     K           3.5E0,   .8E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
524     L            .6E0,   .1E0,  -.5E0,   .8E0,          0.E0,0.E0,0.E0,
525     M           -.8E0, -1.0E0,  1.4E0, -1.6E0,          0.E0,0.E0,0.E0,
526     N           -.9E0,  -.8E0,  1.3E0, -1.6E0,          0.E0,0.E0,0.E0,
527     O           3.5E0,   .8E0, -3.1E0,  4.8E0,          0.E0,0.E0,0.E0/
528*                        TRUE Y RESULTS FOR ROTATIONS DROTM
529      DATA DT19YA/.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
530     A            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
531     B            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
532     C            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
533     D            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
534     E            .7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
535     F           1.7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
536     G          -2.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
537     H            .5E0,  -.9E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
538     I            .7E0, -4.8E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
539     J           1.7E0,  -.7E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
540     K          -2.6E0,  3.5E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
541     L            .5E0,  -.9E0,   .3E0,   .7E0,          0.E0,0.E0,0.E0,
542     M            .7E0, -4.8E0,  3.0E0,  1.1E0,          0.E0,0.E0,0.E0,
543     N           1.7E0,  -.7E0,  -.7E0,  2.3E0,          0.E0,0.E0,0.E0,
544     O          -2.6E0,  3.5E0,  -.7E0, -3.6E0,          0.E0,0.E0,0.E0/
545*
546      DATA DT19YB/.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
547     A            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
548     B            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
549     C            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
550     D            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
551     E            .7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
552     F           1.7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
553     G          -2.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
554     H            .5E0,  -.9E0,   .3E0,             0.E0,0.E0,0.E0,0.E0,
555     I           4.0E0,  -.9E0,  -.3E0,             0.E0,0.E0,0.E0,0.E0,
556     J           -.5E0,  -.9E0,  1.5E0,             0.E0,0.E0,0.E0,0.E0,
557     K          -1.5E0,  -.9E0, -1.8E0,             0.E0,0.E0,0.E0,0.E0,
558     L            .5E0,  -.9E0,   .3E0,   .7E0,  -.6E0,   .2E0,   .8E0,
559     M           3.7E0,  -.9E0, -1.2E0,   .7E0, -1.5E0,   .2E0,  2.2E0,
560     N           -.3E0,  -.9E0,  2.1E0,   .7E0, -1.6E0,   .2E0,  2.0E0,
561     O          -1.6E0,  -.9E0, -2.1E0,   .7E0,  2.9E0,   .2E0, -3.8E0 /
562*
563      DATA DT19YC/.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
564     A            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
565     B            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
566     C            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
567     D            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
568     E            .7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
569     F           1.7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
570     G          -2.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
571     H            .5E0,  -.9E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
572     I           4.0E0, -6.3E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
573     J           -.5E0,   .3E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
574     K          -1.5E0,  3.0E0,             0.E0,0.E0,0.E0,0.E0,0.E0,
575     L            .5E0,  -.9E0,   .3E0,   .7E0,          0.E0,0.E0,0.E0,
576     M           3.7E0, -7.2E0,  3.0E0,  1.7E0,          0.E0,0.E0,0.E0,
577     N           -.3E0,   .9E0,  -.7E0,  1.9E0,          0.E0,0.E0,0.E0,
578     O          -1.6E0,  2.7E0,  -.7E0, -3.4E0,          0.E0,0.E0,0.E0/
579*
580      DATA DT19YD/.5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
581     A            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
582     B            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
583     C            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
584     D            .5E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
585     E            .7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
586     F           1.7E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
587     G          -2.6E0,                  0.E0,0.E0,0.E0,0.E0,0.E0,0.E0,
588     H            .5E0,  -.9E0,   .3E0,             0.E0,0.E0,0.E0,0.E0,
589     I            .7E0,  -.9E0,  1.2E0,             0.E0,0.E0,0.E0,0.E0,
590     J           1.7E0,  -.9E0,   .5E0,             0.E0,0.E0,0.E0,0.E0,
591     K          -2.6E0,  -.9E0, -1.3E0,             0.E0,0.E0,0.E0,0.E0,
592     L            .5E0,  -.9E0,   .3E0,   .7E0,  -.6E0,   .2E0,   .8E0,
593     M            .7E0,  -.9E0,  1.2E0,   .7E0, -1.5E0,   .2E0,  1.6E0,
594     N           1.7E0,  -.9E0,   .5E0,   .7E0, -1.6E0,   .2E0,  2.4E0,
595     O          -2.6E0,  -.9E0, -1.3E0,   .7E0,  2.9E0,   .2E0, -4.0E0 /
596*
597*     .. Executable Statements ..
598*
599      DO 120 KI = 1, 4
600         INCX = INCXS(KI)
601         INCY = INCYS(KI)
602         MX = ABS(INCX)
603         MY = ABS(INCY)
604*
605         DO 100 KN = 1, 4
606            N = NS(KN)
607            KSIZE = MIN(2,KN)
608            LENX = LENS(KN,MX)
609            LENY = LENS(KN,MY)
610*           .. Initialize all argument arrays ..
611            DO 20 I = 1, 7
612               SX(I) = DX1(I)
613               SY(I) = DY1(I)
614   20       CONTINUE
615*
616            IF (ICASE.EQ.1) THEN
617*              .. SDOT ..
618               CALL STEST1(SDOT(N,SX,INCX,SY,INCY),DT7(KN,KI),SSIZE1(KN)
619     +                     ,SFAC)
620            ELSE IF (ICASE.EQ.2) THEN
621*              .. SAXPY ..
622               CALL SAXPY(N,SA,SX,INCX,SY,INCY)
623               DO 40 J = 1, LENY
624                  STY(J) = DT8(J,KN,KI)
625   40          CONTINUE
626               CALL STEST(LENY,SY,STY,SSIZE2(1,KSIZE),SFAC)
627            ELSE IF (ICASE.EQ.5) THEN
628*              .. SCOPY ..
629               DO 60 I = 1, 7
630                  STY(I) = DT10Y(I,KN,KI)
631   60          CONTINUE
632               CALL SCOPY(N,SX,INCX,SY,INCY)
633               CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0E0)
634            ELSE IF (ICASE.EQ.6) THEN
635*              .. SSWAP ..
636               CALL SSWAP(N,SX,INCX,SY,INCY)
637               DO 80 I = 1, 7
638                  STX(I) = DT10X(I,KN,KI)
639                  STY(I) = DT10Y(I,KN,KI)
640   80          CONTINUE
641               CALL STEST(LENX,SX,STX,SSIZE2(1,1),1.0E0)
642               CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0E0)
643            ELSEIF (ICASE.EQ.12) THEN
644*              .. SROTM ..
645               KNI=KN+4*(KI-1)
646               DO KPAR=1,4
647                  DO I=1,7
648                     SX(I) = DX1(I)
649                     SY(I) = DY1(I)
650                     STX(I)= DT19X(I,KPAR,KNI)
651                     STY(I)= DT19Y(I,KPAR,KNI)
652                  END DO
653*
654                  DO I=1,5
655                     DTEMP(I) = DPAR(I,KPAR)
656                  END DO
657*
658                  DO  I=1,LENX
659                     SSIZE(I)=STX(I)
660                  END DO
661*                   SEE REMARK ABOVE ABOUT DT11X(1,2,7)
662*                       AND DT11X(5,3,8).
663                  IF ((KPAR .EQ. 2) .AND. (KNI .EQ. 7))
664     $               SSIZE(1) = 2.4E0
665                  IF ((KPAR .EQ. 3) .AND. (KNI .EQ. 8))
666     $               SSIZE(5) = 1.8E0
667*
668                  CALL   SROTM(N,SX,INCX,SY,INCY,DTEMP)
669                  CALL   STEST(LENX,SX,STX,SSIZE,SFAC)
670                  CALL   STEST(LENY,SY,STY,STY,SFAC)
671               END DO
672            ELSEIF (ICASE.EQ.13) THEN
673*              .. SDSROT ..
674               CALL STEST1 (SDSDOT(N,.1,SX,INCX,SY,INCY),
675     $                 ST7B(KN,KI),SSIZE3(KN),SFAC)
676            ELSE
677               WRITE (NOUT,*) ' Shouldn''t be here in CHECK2'
678               STOP
679            END IF
680  100    CONTINUE
681  120 CONTINUE
682      RETURN
683      END
684      SUBROUTINE CHECK3(SFAC)
685*     .. Parameters ..
686      INTEGER           NOUT
687      PARAMETER         (NOUT=6)
688*     .. Scalar Arguments ..
689      REAL              SFAC
690*     .. Scalars in Common ..
691      INTEGER           ICASE, INCX, INCY, N
692      LOGICAL           PASS
693*     .. Local Scalars ..
694      REAL              SC, SS
695      INTEGER           I, K, KI, KN, KSIZE, LENX, LENY, MX, MY
696*     .. Local Arrays ..
697      REAL              COPYX(5), COPYY(5), DT9X(7,4,4), DT9Y(7,4,4),
698     +                  DX1(7), DY1(7), MWPC(11), MWPS(11), MWPSTX(5),
699     +                  MWPSTY(5), MWPTX(11,5), MWPTY(11,5), MWPX(5),
700     +                  MWPY(5), SSIZE2(14,2), STX(7), STY(7), SX(7),
701     +                  SY(7)
702      INTEGER           INCXS(4), INCYS(4), LENS(4,2), MWPINX(11),
703     +                  MWPINY(11), MWPN(11), NS(4)
704*     .. External Subroutines ..
705      EXTERNAL          SROT, STEST
706*     .. Intrinsic Functions ..
707      INTRINSIC         ABS, MIN
708*     .. Common blocks ..
709      COMMON            /COMBLA/ICASE, N, INCX, INCY, PASS
710*     .. Data statements ..
711      DATA              INCXS/1, 2, -2, -1/
712      DATA              INCYS/1, -2, 1, -2/
713      DATA              LENS/1, 1, 2, 4, 1, 1, 3, 7/
714      DATA              NS/0, 1, 2, 4/
715      DATA              DX1/0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.9E0, -0.3E0,
716     +                  -0.4E0/
717      DATA              DY1/0.5E0, -0.9E0, 0.3E0, 0.7E0, -0.6E0, 0.2E0,
718     +                  0.8E0/
719      DATA              SC, SS/0.8E0, 0.6E0/
720      DATA              DT9X/0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
721     +                  0.0E0, 0.78E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
722     +                  0.0E0, 0.0E0, 0.78E0, -0.46E0, 0.0E0, 0.0E0,
723     +                  0.0E0, 0.0E0, 0.0E0, 0.78E0, -0.46E0, -0.22E0,
724     +                  1.06E0, 0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0,
725     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.78E0,
726     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
727     +                  0.66E0, 0.1E0, -0.1E0, 0.0E0, 0.0E0, 0.0E0,
728     +                  0.0E0, 0.96E0, 0.1E0, -0.76E0, 0.8E0, 0.90E0,
729     +                  -0.3E0, -0.02E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0,
730     +                  0.0E0, 0.0E0, 0.0E0, 0.78E0, 0.0E0, 0.0E0,
731     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.06E0, 0.1E0,
732     +                  -0.1E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.90E0,
733     +                  0.1E0, -0.22E0, 0.8E0, 0.18E0, -0.3E0, -0.02E0,
734     +                  0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
735     +                  0.78E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
736     +                  0.0E0, 0.78E0, 0.26E0, 0.0E0, 0.0E0, 0.0E0,
737     +                  0.0E0, 0.0E0, 0.78E0, 0.26E0, -0.76E0, 1.12E0,
738     +                  0.0E0, 0.0E0, 0.0E0/
739      DATA              DT9Y/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
740     +                  0.0E0, 0.04E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
741     +                  0.0E0, 0.0E0, 0.04E0, -0.78E0, 0.0E0, 0.0E0,
742     +                  0.0E0, 0.0E0, 0.0E0, 0.04E0, -0.78E0, 0.54E0,
743     +                  0.08E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
744     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.04E0,
745     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.7E0,
746     +                  -0.9E0, -0.12E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
747     +                  0.64E0, -0.9E0, -0.30E0, 0.7E0, -0.18E0, 0.2E0,
748     +                  0.28E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
749     +                  0.0E0, 0.0E0, 0.04E0, 0.0E0, 0.0E0, 0.0E0,
750     +                  0.0E0, 0.0E0, 0.0E0, 0.7E0, -1.08E0, 0.0E0,
751     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.64E0, -1.26E0,
752     +                  0.54E0, 0.20E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0,
753     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
754     +                  0.04E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
755     +                  0.0E0, 0.04E0, -0.9E0, 0.18E0, 0.0E0, 0.0E0,
756     +                  0.0E0, 0.0E0, 0.04E0, -0.9E0, 0.18E0, 0.7E0,
757     +                  -0.18E0, 0.2E0, 0.16E0/
758      DATA              SSIZE2/0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
759     +                  0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
760     +                  0.0E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
761     +                  1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
762     +                  1.17E0, 1.17E0, 1.17E0/
763*     .. Executable Statements ..
764*
765      DO 60 KI = 1, 4
766         INCX = INCXS(KI)
767         INCY = INCYS(KI)
768         MX = ABS(INCX)
769         MY = ABS(INCY)
770*
771         DO 40 KN = 1, 4
772            N = NS(KN)
773            KSIZE = MIN(2,KN)
774            LENX = LENS(KN,MX)
775            LENY = LENS(KN,MY)
776*
777            IF (ICASE.EQ.4) THEN
778*              .. SROT ..
779               DO 20 I = 1, 7
780                  SX(I) = DX1(I)
781                  SY(I) = DY1(I)
782                  STX(I) = DT9X(I,KN,KI)
783                  STY(I) = DT9Y(I,KN,KI)
784   20          CONTINUE
785               CALL SROT(N,SX,INCX,SY,INCY,SC,SS)
786               CALL STEST(LENX,SX,STX,SSIZE2(1,KSIZE),SFAC)
787               CALL STEST(LENY,SY,STY,SSIZE2(1,KSIZE),SFAC)
788            ELSE
789               WRITE (NOUT,*) ' Shouldn''t be here in CHECK3'
790               STOP
791            END IF
792   40    CONTINUE
793   60 CONTINUE
794*
795      MWPC(1) = 1
796      DO 80 I = 2, 11
797         MWPC(I) = 0
798   80 CONTINUE
799      MWPS(1) = 0
800      DO 100 I = 2, 6
801         MWPS(I) = 1
802  100 CONTINUE
803      DO 120 I = 7, 11
804         MWPS(I) = -1
805  120 CONTINUE
806      MWPINX(1) = 1
807      MWPINX(2) = 1
808      MWPINX(3) = 1
809      MWPINX(4) = -1
810      MWPINX(5) = 1
811      MWPINX(6) = -1
812      MWPINX(7) = 1
813      MWPINX(8) = 1
814      MWPINX(9) = -1
815      MWPINX(10) = 1
816      MWPINX(11) = -1
817      MWPINY(1) = 1
818      MWPINY(2) = 1
819      MWPINY(3) = -1
820      MWPINY(4) = -1
821      MWPINY(5) = 2
822      MWPINY(6) = 1
823      MWPINY(7) = 1
824      MWPINY(8) = -1
825      MWPINY(9) = -1
826      MWPINY(10) = 2
827      MWPINY(11) = 1
828      DO 140 I = 1, 11
829         MWPN(I) = 5
830  140 CONTINUE
831      MWPN(5) = 3
832      MWPN(10) = 3
833      DO 160 I = 1, 5
834         MWPX(I) = I
835         MWPY(I) = I
836         MWPTX(1,I) = I
837         MWPTY(1,I) = I
838         MWPTX(2,I) = I
839         MWPTY(2,I) = -I
840         MWPTX(3,I) = 6 - I
841         MWPTY(3,I) = I - 6
842         MWPTX(4,I) = I
843         MWPTY(4,I) = -I
844         MWPTX(6,I) = 6 - I
845         MWPTY(6,I) = I - 6
846         MWPTX(7,I) = -I
847         MWPTY(7,I) = I
848         MWPTX(8,I) = I - 6
849         MWPTY(8,I) = 6 - I
850         MWPTX(9,I) = -I
851         MWPTY(9,I) = I
852         MWPTX(11,I) = I - 6
853         MWPTY(11,I) = 6 - I
854  160 CONTINUE
855      MWPTX(5,1) = 1
856      MWPTX(5,2) = 3
857      MWPTX(5,3) = 5
858      MWPTX(5,4) = 4
859      MWPTX(5,5) = 5
860      MWPTY(5,1) = -1
861      MWPTY(5,2) = 2
862      MWPTY(5,3) = -2
863      MWPTY(5,4) = 4
864      MWPTY(5,5) = -3
865      MWPTX(10,1) = -1
866      MWPTX(10,2) = -3
867      MWPTX(10,3) = -5
868      MWPTX(10,4) = 4
869      MWPTX(10,5) = 5
870      MWPTY(10,1) = 1
871      MWPTY(10,2) = 2
872      MWPTY(10,3) = 2
873      MWPTY(10,4) = 4
874      MWPTY(10,5) = 3
875      DO 200 I = 1, 11
876         INCX = MWPINX(I)
877         INCY = MWPINY(I)
878         DO 180 K = 1, 5
879            COPYX(K) = MWPX(K)
880            COPYY(K) = MWPY(K)
881            MWPSTX(K) = MWPTX(I,K)
882            MWPSTY(K) = MWPTY(I,K)
883  180    CONTINUE
884         CALL SROT(MWPN(I),COPYX,INCX,COPYY,INCY,MWPC(I),MWPS(I))
885         CALL STEST(5,COPYX,MWPSTX,MWPSTX,SFAC)
886         CALL STEST(5,COPYY,MWPSTY,MWPSTY,SFAC)
887  200 CONTINUE
888      RETURN
889      END
890      SUBROUTINE STEST(LEN,SCOMP,STRUE,SSIZE,SFAC)
891*     ********************************* STEST **************************
892*
893*     THIS SUBR COMPARES ARRAYS  SCOMP() AND STRUE() OF LENGTH LEN TO
894*     SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
895*     NEGLIGIBLE.
896*
897*     C. L. LAWSON, JPL, 1974 DEC 10
898*
899*     .. Parameters ..
900      INTEGER          NOUT
901      REAL             ZERO
902      PARAMETER        (NOUT=6, ZERO=0.0E0)
903*     .. Scalar Arguments ..
904      REAL             SFAC
905      INTEGER          LEN
906*     .. Array Arguments ..
907      REAL             SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
908*     .. Scalars in Common ..
909      INTEGER          ICASE, INCX, INCY, N
910      LOGICAL          PASS
911*     .. Local Scalars ..
912      REAL             SD
913      INTEGER          I
914*     .. External Functions ..
915      REAL             SDIFF
916      EXTERNAL         SDIFF
917*     .. Intrinsic Functions ..
918      INTRINSIC        ABS
919*     .. Common blocks ..
920      COMMON           /COMBLA/ICASE, N, INCX, INCY, PASS
921*     .. Executable Statements ..
922*
923      DO 40 I = 1, LEN
924         SD = SCOMP(I) - STRUE(I)
925         IF (ABS(SFAC*SD) .LE. ABS(SSIZE(I))*EPSILON(ZERO))
926     +       GO TO 40
927*
928*                             HERE    SCOMP(I) IS NOT CLOSE TO STRUE(I).
929*
930         IF ( .NOT. PASS) GO TO 20
931*                             PRINT FAIL MESSAGE AND HEADER.
932         PASS = .FALSE.
933         WRITE (NOUT,99999)
934         WRITE (NOUT,99998)
935   20    WRITE (NOUT,99997) ICASE, N, INCX, INCY, I, SCOMP(I),
936     +     STRUE(I), SD, SSIZE(I)
937   40 CONTINUE
938      RETURN
939*
94099999 FORMAT ('                                       FAIL')
94199998 FORMAT (/' CASE  N INCX INCY  I                            ',
942     +       ' COMP(I)                             TRUE(I)  DIFFERENCE',
943     +       '     SIZE(I)',/1X)
94499997 FORMAT (1X,I4,I3,2I5,I3,2E36.8,2E12.4)
945      END
946      SUBROUTINE STEST1(SCOMP1,STRUE1,SSIZE,SFAC)
947*     ************************* STEST1 *****************************
948*
949*     THIS IS AN INTERFACE SUBROUTINE TO ACCOMODATE THE FORTRAN
950*     REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
951*     ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
952*
953*     C.L. LAWSON, JPL, 1978 DEC 6
954*
955*     .. Scalar Arguments ..
956      REAL              SCOMP1, SFAC, STRUE1
957*     .. Array Arguments ..
958      REAL              SSIZE(*)
959*     .. Local Arrays ..
960      REAL              SCOMP(1), STRUE(1)
961*     .. External Subroutines ..
962      EXTERNAL          STEST
963*     .. Executable Statements ..
964*
965      SCOMP(1) = SCOMP1
966      STRUE(1) = STRUE1
967      CALL STEST(1,SCOMP,STRUE,SSIZE,SFAC)
968*
969      RETURN
970      END
971      REAL             FUNCTION SDIFF(SA,SB)
972*     ********************************* SDIFF **************************
973*     COMPUTES DIFFERENCE OF TWO NUMBERS.  C. L. LAWSON, JPL 1974 FEB 15
974*
975*     .. Scalar Arguments ..
976      REAL                            SA, SB
977*     .. Executable Statements ..
978      SDIFF = SA - SB
979      RETURN
980      END
981      SUBROUTINE ITEST1(ICOMP,ITRUE)
982*     ********************************* ITEST1 *************************
983*
984*     THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
985*     EQUALITY.
986*     C. L. LAWSON, JPL, 1974 DEC 10
987*
988*     .. Parameters ..
989      INTEGER           NOUT
990      PARAMETER         (NOUT=6)
991*     .. Scalar Arguments ..
992      INTEGER           ICOMP, ITRUE
993*     .. Scalars in Common ..
994      INTEGER           ICASE, INCX, INCY, N
995      LOGICAL           PASS
996*     .. Local Scalars ..
997      INTEGER           ID
998*     .. Common blocks ..
999      COMMON            /COMBLA/ICASE, N, INCX, INCY, PASS
1000*     .. Executable Statements ..
1001*
1002      IF (ICOMP.EQ.ITRUE) GO TO 40
1003*
1004*                            HERE ICOMP IS NOT EQUAL TO ITRUE.
1005*
1006      IF ( .NOT. PASS) GO TO 20
1007*                             PRINT FAIL MESSAGE AND HEADER.
1008      PASS = .FALSE.
1009      WRITE (NOUT,99999)
1010      WRITE (NOUT,99998)
1011   20 ID = ICOMP - ITRUE
1012      WRITE (NOUT,99997) ICASE, N, INCX, INCY, ICOMP, ITRUE, ID
1013   40 CONTINUE
1014      RETURN
1015*
101699999 FORMAT ('                                       FAIL')
101799998 FORMAT (/' CASE  N INCX INCY                               ',
1018     +       ' COMP                                TRUE     DIFFERENCE',
1019     +       /1X)
102099997 FORMAT (1X,I4,I3,2I5,2I36,I12)
1021      END
1022