LAPACK  3.10.1
LAPACK: Linear Algebra PACKage
sblat1.f
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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 *> \ingroup single_blas_testing
34 *
35 * =====================================================================
36  PROGRAM sblat1
37 *
38 * -- Reference BLAS test routine --
39 * -- Reference BLAS is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 *
42 * =====================================================================
43 *
44 * .. Parameters ..
45  INTEGER nout
46  parameter(nout=6)
47 * .. Scalars in Common ..
48  INTEGER icase, incx, incy, n
49  LOGICAL pass
50 * .. Local Scalars ..
51  REAL sfac
52  INTEGER ic
53 * .. External Subroutines ..
54  EXTERNAL check0, check1, check2, check3, header
55 * .. Common blocks ..
56  COMMON /combla/icase, n, incx, incy, pass
57 * .. Data statements ..
58  DATA sfac/9.765625e-4/
59 * .. Executable Statements ..
60  WRITE (nout,99999)
61  DO 20 ic = 1, 13
62  icase = ic
63  CALL header
64 *
65 * .. Initialize PASS, INCX, and INCY for a new case. ..
66 * .. the value 9999 for INCX or INCY will appear in the ..
67 * .. detailed output, if any, for cases that do not involve ..
68 * .. these parameters ..
69 *
70  pass = .true.
71  incx = 9999
72  incy = 9999
73  IF (icase.EQ.3 .OR. icase.EQ.11) THEN
74  CALL check0(sfac)
75  ELSE IF (icase.EQ.7 .OR. icase.EQ.8 .OR. icase.EQ.9 .OR.
76  + icase.EQ.10) THEN
77  CALL check1(sfac)
78  ELSE IF (icase.EQ.1 .OR. icase.EQ.2 .OR. icase.EQ.5 .OR.
79  + icase.EQ.6 .OR. icase.EQ.12 .OR. icase.EQ.13) THEN
80  CALL check2(sfac)
81  ELSE IF (icase.EQ.4) THEN
82  CALL check3(sfac)
83  END IF
84 * -- Print
85  IF (pass) WRITE (nout,99998)
86  20 CONTINUE
87  stop
88 *
89 99999 FORMAT (' Real BLAS Test Program Results',/1x)
90 99998 FORMAT (' ----- PASS -----')
91 *
92 * End of SBLAT1
93 *
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 *
124 99999 FORMAT (/' Test of subprogram number',i3,12x,a6)
125 *
126 * End of HEADER
127 *
128  END
129  SUBROUTINE check0(SFAC)
130 * .. Parameters ..
131  INTEGER NOUT
132  parameter(nout=6)
133 * .. Scalar Arguments ..
134  REAL SFAC
135 * .. Scalars in Common ..
136  INTEGER ICASE, INCX, INCY, N
137  LOGICAL PASS
138 * .. Local Scalars ..
139  REAL D12, SA, SB, SC, SS
140  INTEGER I, K
141 * .. Local Arrays ..
142  REAL DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
143  + DS1(8), DAB(4,9), DTEMP(9), DTRUE(9,9)
144 * .. External Subroutines ..
145  EXTERNAL srotg, srotmg, stest, stest1
146 * .. Common blocks ..
147  COMMON /combla/icase, n, incx, incy, pass
148 * .. Data statements ..
149  DATA da1/0.3e0, 0.4e0, -0.3e0, -0.4e0, -0.3e0, 0.0e0,
150  + 0.0e0, 1.0e0/
151  DATA db1/0.4e0, 0.3e0, 0.4e0, 0.3e0, -0.4e0, 0.0e0,
152  + 1.0e0, 0.0e0/
153  DATA dc1/0.6e0, 0.8e0, -0.6e0, 0.8e0, 0.6e0, 1.0e0,
154  + 0.0e0, 1.0e0/
155  DATA ds1/0.8e0, 0.6e0, 0.8e0, -0.6e0, 0.8e0, 0.0e0,
156  + 1.0e0, 0.0e0/
157  DATA datrue/0.5e0, 0.5e0, 0.5e0, -0.5e0, -0.5e0,
158  + 0.0e0, 1.0e0, 1.0e0/
159  DATA dbtrue/0.0e0, 0.6e0, 0.0e0, -0.6e0, 0.0e0,
160  + 0.0e0, 1.0e0, 0.0e0/
161 * INPUT FOR MODIFIED GIVENS
162  DATA dab/ .1e0,.3e0,1.2e0,.2e0,
163  a .7e0, .2e0, .6e0, 4.2e0,
164  b 0.e0,0.e0,0.e0,0.e0,
165  c 4.e0, -1.e0, 2.e0, 4.e0,
166  d 6.e-10, 2.e-2, 1.e5, 10.e0,
167  e 4.e10, 2.e-2, 1.e-5, 10.e0,
168  f 2.e-10, 4.e-2, 1.e5, 10.e0,
169  g 2.e10, 4.e-2, 1.e-5, 10.e0,
170  h 4.e0, -2.e0, 8.e0, 4.e0 /
171 * TRUE RESULTS FOR MODIFIED GIVENS
172  DATA dtrue/0.e0,0.e0, 1.3e0, .2e0, 0.e0,0.e0,0.e0, .5e0, 0.e0,
173  a 0.e0,0.e0, 4.5e0, 4.2e0, 1.e0, .5e0, 0.e0,0.e0,0.e0,
174  b 0.e0,0.e0,0.e0,0.e0, -2.e0, 0.e0,0.e0,0.e0,0.e0,
175  c 0.e0,0.e0,0.e0, 4.e0, -1.e0, 0.e0,0.e0,0.e0,0.e0,
176  d 0.e0, 15.e-3, 0.e0, 10.e0, -1.e0, 0.e0, -1.e-4,
177  e 0.e0, 1.e0,
178  f 0.e0,0.e0, 6144.e-5, 10.e0, -1.e0, 4096.e0, -1.e6,
179  g 0.e0, 1.e0,
180  h 0.e0,0.e0,15.e0,10.e0,-1.e0, 5.e-5, 0.e0,1.e0,0.e0,
181  i 0.e0,0.e0, 15.e0, 10.e0, -1. e0, 5.e5, -4096.e0,
182  j 1.e0, 4096.e-6,
183  k 0.e0,0.e0, 7.e0, 4.e0, 0.e0,0.e0, -.5e0, -.25e0, 0.e0/
184 * 4096 = 2 ** 12
185  DATA d12 /4096.e0/
186  dtrue(1,1) = 12.e0 / 130.e0
187  dtrue(2,1) = 36.e0 / 130.e0
188  dtrue(7,1) = -1.e0 / 6.e0
189  dtrue(1,2) = 14.e0 / 75.e0
190  dtrue(2,2) = 49.e0 / 75.e0
191  dtrue(9,2) = 1.e0 / 7.e0
192  dtrue(1,5) = 45.e-11 * (d12 * d12)
193  dtrue(3,5) = 4.e5 / (3.e0 * d12)
194  dtrue(6,5) = 1.e0 / d12
195  dtrue(8,5) = 1.e4 / (3.e0 * d12)
196  dtrue(1,6) = 4.e10 / (1.5e0 * d12 * d12)
197  dtrue(2,6) = 2.e-2 / 1.5e0
198  dtrue(8,6) = 5.e-7 * d12
199  dtrue(1,7) = 4.e0 / 150.e0
200  dtrue(2,7) = (2.e-10 / 1.5e0) * (d12 * d12)
201  dtrue(7,7) = -dtrue(6,5)
202  dtrue(9,7) = 1.e4 / d12
203  dtrue(1,8) = dtrue(1,7)
204  dtrue(2,8) = 2.e10 / (1.5e0 * d12 * d12)
205  dtrue(1,9) = 32.e0 / 7.e0
206  dtrue(2,9) = -16.e0 / 7.e0
207 * .. Executable Statements ..
208 *
209 * Compute true values which cannot be prestored
210 * in decimal notation
211 *
212  dbtrue(1) = 1.0e0/0.6e0
213  dbtrue(3) = -1.0e0/0.6e0
214  dbtrue(5) = 1.0e0/0.6e0
215 *
216  DO 20 k = 1, 8
217 * .. Set N=K for identification in output if any ..
218  n = k
219  IF (icase.EQ.3) THEN
220 * .. SROTG ..
221  IF (k.GT.8) GO TO 40
222  sa = da1(k)
223  sb = db1(k)
224  CALL srotg(sa,sb,sc,ss)
225  CALL stest1(sa,datrue(k),datrue(k),sfac)
226  CALL stest1(sb,dbtrue(k),dbtrue(k),sfac)
227  CALL stest1(sc,dc1(k),dc1(k),sfac)
228  CALL stest1(ss,ds1(k),ds1(k),sfac)
229  ELSEIF (icase.EQ.11) THEN
230 * .. SROTMG ..
231  DO i=1,4
232  dtemp(i)= dab(i,k)
233  dtemp(i+4) = 0.0
234  END DO
235  dtemp(9) = 0.0
236  CALL srotmg(dtemp(1),dtemp(2),dtemp(3),dtemp(4),dtemp(5))
237  CALL stest(9,dtemp,dtrue(1,k),dtrue(1,k),sfac)
238  ELSE
239  WRITE (nout,*) ' Shouldn''t be here in CHECK0'
240  stop
241  END IF
242  20 CONTINUE
243  40 RETURN
244 *
245 * End of CHECK0
246 *
247  END
248  SUBROUTINE check1(SFAC)
249 * .. Parameters ..
250  INTEGER NOUT
251  parameter(nout=6)
252 * .. Scalar Arguments ..
253  REAL SFAC
254 * .. Scalars in Common ..
255  INTEGER ICASE, INCX, INCY, N
256  LOGICAL PASS
257 * .. Local Scalars ..
258  INTEGER I, IX, LEN, NP1
259 * .. Local Arrays ..
260  REAL DTRUE1(5), DTRUE3(5), DTRUE5(8,5,2), DV(8,5,2),
261  + DVR(8), SA(10), STEMP(1), STRUE(8), SX(8),
262  + SXR(15)
263  INTEGER ITRUE2(5), ITRUEC(5)
264 * .. External Functions ..
265  REAL SASUM, SNRM2
266  INTEGER ISAMAX
267  EXTERNAL sasum, snrm2, isamax
268 * .. External Subroutines ..
269  EXTERNAL itest1, sscal, stest, stest1
270 * .. Intrinsic Functions ..
271  INTRINSIC max
272 * .. Common blocks ..
273  COMMON /combla/icase, n, incx, incy, pass
274 * .. Data statements ..
275  DATA sa/0.3e0, -1.0e0, 0.0e0, 1.0e0, 0.3e0, 0.3e0,
276  + 0.3e0, 0.3e0, 0.3e0, 0.3e0/
277  DATA dv/0.1e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0,
278  + 2.0e0, 2.0e0, 0.3e0, 3.0e0, 3.0e0, 3.0e0, 3.0e0,
279  + 3.0e0, 3.0e0, 3.0e0, 0.3e0, -0.4e0, 4.0e0,
280  + 4.0e0, 4.0e0, 4.0e0, 4.0e0, 4.0e0, 0.2e0,
281  + -0.6e0, 0.3e0, 5.0e0, 5.0e0, 5.0e0, 5.0e0,
282  + 5.0e0, 0.1e0, -0.3e0, 0.5e0, -0.1e0, 6.0e0,
283  + 6.0e0, 6.0e0, 6.0e0, 0.1e0, 8.0e0, 8.0e0, 8.0e0,
284  + 8.0e0, 8.0e0, 8.0e0, 8.0e0, 0.3e0, 9.0e0, 9.0e0,
285  + 9.0e0, 9.0e0, 9.0e0, 9.0e0, 9.0e0, 0.3e0, 2.0e0,
286  + -0.4e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0,
287  + 0.2e0, 3.0e0, -0.6e0, 5.0e0, 0.3e0, 2.0e0,
288  + 2.0e0, 2.0e0, 0.1e0, 4.0e0, -0.3e0, 6.0e0,
289  + -0.5e0, 7.0e0, -0.1e0, 3.0e0/
290  DATA dvr/8.0e0, -7.0e0, 9.0e0, 5.0e0, 9.0e0, 8.0e0,
291  + 7.0e0, 7.0e0/
292  DATA dtrue1/0.0e0, 0.3e0, 0.5e0, 0.7e0, 0.6e0/
293  DATA dtrue3/0.0e0, 0.3e0, 0.7e0, 1.1e0, 1.0e0/
294  DATA dtrue5/0.10e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0,
295  + 2.0e0, 2.0e0, 2.0e0, -0.3e0, 3.0e0, 3.0e0,
296  + 3.0e0, 3.0e0, 3.0e0, 3.0e0, 3.0e0, 0.0e0, 0.0e0,
297  + 4.0e0, 4.0e0, 4.0e0, 4.0e0, 4.0e0, 4.0e0,
298  + 0.20e0, -0.60e0, 0.30e0, 5.0e0, 5.0e0, 5.0e0,
299  + 5.0e0, 5.0e0, 0.03e0, -0.09e0, 0.15e0, -0.03e0,
300  + 6.0e0, 6.0e0, 6.0e0, 6.0e0, 0.10e0, 8.0e0,
301  + 8.0e0, 8.0e0, 8.0e0, 8.0e0, 8.0e0, 8.0e0,
302  + 0.09e0, 9.0e0, 9.0e0, 9.0e0, 9.0e0, 9.0e0,
303  + 9.0e0, 9.0e0, 0.09e0, 2.0e0, -0.12e0, 2.0e0,
304  + 2.0e0, 2.0e0, 2.0e0, 2.0e0, 0.06e0, 3.0e0,
305  + -0.18e0, 5.0e0, 0.09e0, 2.0e0, 2.0e0, 2.0e0,
306  + 0.03e0, 4.0e0, -0.09e0, 6.0e0, -0.15e0, 7.0e0,
307  + -0.03e0, 3.0e0/
308  DATA itrue2/0, 1, 2, 2, 3/
309  DATA itruec/0, 1, 1, 1, 1/
310 * .. Executable Statements ..
311  DO 80 incx = 1, 2
312  DO 60 np1 = 1, 5
313  n = np1 - 1
314  len = 2*max(n,1)
315 * .. Set vector arguments ..
316  DO 20 i = 1, len
317  sx(i) = dv(i,np1,incx)
318  20 CONTINUE
319 *
320  IF (icase.EQ.7) THEN
321 * .. SNRM2 ..
322  stemp(1) = dtrue1(np1)
323  CALL stest1(snrm2(n,sx,incx),stemp(1),stemp,sfac)
324  ELSE IF (icase.EQ.8) THEN
325 * .. SASUM ..
326  stemp(1) = dtrue3(np1)
327  CALL stest1(sasum(n,sx,incx),stemp(1),stemp,sfac)
328  ELSE IF (icase.EQ.9) THEN
329 * .. SSCAL ..
330  CALL sscal(n,sa((incx-1)*5+np1),sx,incx)
331  DO 40 i = 1, len
332  strue(i) = dtrue5(i,np1,incx)
333  40 CONTINUE
334  CALL stest(len,sx,strue,strue,sfac)
335  ELSE IF (icase.EQ.10) THEN
336 * .. ISAMAX ..
337  CALL itest1(isamax(n,sx,incx),itrue2(np1))
338  DO 100 i = 1, len
339  sx(i) = 42.0e0
340  100 CONTINUE
341  CALL itest1(isamax(n,sx,incx),itruec(np1))
342  ELSE
343  WRITE (nout,*) ' Shouldn''t be here in CHECK1'
344  stop
345  END IF
346  60 CONTINUE
347  IF (icase.EQ.10) THEN
348  n = 8
349  ix = 1
350  DO 120 i = 1, n
351  sxr(ix) = dvr(i)
352  ix = ix + incx
353  120 CONTINUE
354  CALL itest1(isamax(n,sxr,incx),3)
355  END IF
356  80 CONTINUE
357  RETURN
358 *
359 * End of CHECK1
360 *
361  END
362  SUBROUTINE check2(SFAC)
363 * .. Parameters ..
364  INTEGER NOUT
365  parameter(nout=6)
366 * .. Scalar Arguments ..
367  REAL SFAC
368 * .. Scalars in Common ..
369  INTEGER ICASE, INCX, INCY, N
370  LOGICAL PASS
371 * .. Local Scalars ..
372  REAL SA
373  INTEGER I, J, KI, KN, KNI, KPAR, KSIZE, LENX, LENY,
374  $ LINCX, LINCY, MX, MY
375 * .. Local Arrays ..
376  REAL DT10X(7,4,4), DT10Y(7,4,4), DT7(4,4),
377  $ DT8(7,4,4), DX1(7),
378  $ DY1(7), SSIZE1(4), SSIZE2(14,2), SSIZE3(4),
379  $ SSIZE(7), STX(7), STY(7), SX(7), SY(7),
380  $ DPAR(5,4), DT19X(7,4,16),DT19XA(7,4,4),
381  $ DT19XB(7,4,4), DT19XC(7,4,4),DT19XD(7,4,4),
382  $ DT19Y(7,4,16), DT19YA(7,4,4),DT19YB(7,4,4),
383  $ DT19YC(7,4,4), DT19YD(7,4,4), DTEMP(5),
384  $ ST7B(4,4), STY0(1), SX0(1), SY0(1)
385  INTEGER INCXS(4), INCYS(4), LENS(4,2), NS(4)
386 * .. External Functions ..
387  REAL SDOT, SDSDOT
388  EXTERNAL sdot, sdsdot
389 * .. External Subroutines ..
390  EXTERNAL saxpy, scopy, srotm, sswap, stest, stest1
391 * .. Intrinsic Functions ..
392  INTRINSIC abs, min
393 * .. Common blocks ..
394  COMMON /combla/icase, n, incx, incy, pass
395 * .. Data statements ..
396  equivalence(dt19x(1,1,1),dt19xa(1,1,1)),(dt19x(1,1,5),
397  a dt19xb(1,1,1)),(dt19x(1,1,9),dt19xc(1,1,1)),
398  b (dt19x(1,1,13),dt19xd(1,1,1))
399  equivalence(dt19y(1,1,1),dt19ya(1,1,1)),(dt19y(1,1,5),
400  a dt19yb(1,1,1)),(dt19y(1,1,9),dt19yc(1,1,1)),
401  b (dt19y(1,1,13),dt19yd(1,1,1))
402 
403  DATA sa/0.3e0/
404  DATA incxs/1, 2, -2, -1/
405  DATA incys/1, -2, 1, -2/
406  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
407  DATA ns/0, 1, 2, 4/
408  DATA dx1/0.6e0, 0.1e0, -0.5e0, 0.8e0, 0.9e0, -0.3e0,
409  + -0.4e0/
410  DATA dy1/0.5e0, -0.9e0, 0.3e0, 0.7e0, -0.6e0, 0.2e0,
411  + 0.8e0/
412  DATA dt7/0.0e0, 0.30e0, 0.21e0, 0.62e0, 0.0e0,
413  + 0.30e0, -0.07e0, 0.85e0, 0.0e0, 0.30e0, -0.79e0,
414  + -0.74e0, 0.0e0, 0.30e0, 0.33e0, 1.27e0/
415  DATA st7b/ .1, .4, .31, .72, .1, .4, .03, .95,
416  + .1, .4, -.69, -.64, .1, .4, .43, 1.37/
417  DATA dt8/0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
418  + 0.0e0, 0.68e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
419  + 0.0e0, 0.0e0, 0.68e0, -0.87e0, 0.0e0, 0.0e0,
420  + 0.0e0, 0.0e0, 0.0e0, 0.68e0, -0.87e0, 0.15e0,
421  + 0.94e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0,
422  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.68e0,
423  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
424  + 0.35e0, -0.9e0, 0.48e0, 0.0e0, 0.0e0, 0.0e0,
425  + 0.0e0, 0.38e0, -0.9e0, 0.57e0, 0.7e0, -0.75e0,
426  + 0.2e0, 0.98e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0,
427  + 0.0e0, 0.0e0, 0.0e0, 0.68e0, 0.0e0, 0.0e0,
428  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.35e0, -0.72e0,
429  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.38e0,
430  + -0.63e0, 0.15e0, 0.88e0, 0.0e0, 0.0e0, 0.0e0,
431  + 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
432  + 0.68e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
433  + 0.0e0, 0.68e0, -0.9e0, 0.33e0, 0.0e0, 0.0e0,
434  + 0.0e0, 0.0e0, 0.68e0, -0.9e0, 0.33e0, 0.7e0,
435  + -0.75e0, 0.2e0, 1.04e0/
436  DATA dt10x/0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
437  + 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
438  + 0.0e0, 0.5e0, -0.9e0, 0.0e0, 0.0e0, 0.0e0,
439  + 0.0e0, 0.0e0, 0.5e0, -0.9e0, 0.3e0, 0.7e0,
440  + 0.0e0, 0.0e0, 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0,
441  + 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0,
442  + 0.0e0, 0.0e0, 0.0e0, 0.3e0, 0.1e0, 0.5e0, 0.0e0,
443  + 0.0e0, 0.0e0, 0.0e0, 0.8e0, 0.1e0, -0.6e0,
444  + 0.8e0, 0.3e0, -0.3e0, 0.5e0, 0.6e0, 0.0e0,
445  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0,
446  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, -0.9e0,
447  + 0.1e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.7e0,
448  + 0.1e0, 0.3e0, 0.8e0, -0.9e0, -0.3e0, 0.5e0,
449  + 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
450  + 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
451  + 0.5e0, 0.3e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
452  + 0.5e0, 0.3e0, -0.6e0, 0.8e0, 0.0e0, 0.0e0,
453  + 0.0e0/
454  DATA dt10y/0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
455  + 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
456  + 0.0e0, 0.6e0, 0.1e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
457  + 0.0e0, 0.6e0, 0.1e0, -0.5e0, 0.8e0, 0.0e0,
458  + 0.0e0, 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
459  + 0.0e0, 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
460  + 0.0e0, 0.0e0, -0.5e0, -0.9e0, 0.6e0, 0.0e0,
461  + 0.0e0, 0.0e0, 0.0e0, -0.4e0, -0.9e0, 0.9e0,
462  + 0.7e0, -0.5e0, 0.2e0, 0.6e0, 0.5e0, 0.0e0,
463  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.6e0, 0.0e0,
464  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, -0.5e0,
465  + 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
466  + -0.4e0, 0.9e0, -0.5e0, 0.6e0, 0.0e0, 0.0e0,
467  + 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
468  + 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
469  + 0.0e0, 0.6e0, -0.9e0, 0.1e0, 0.0e0, 0.0e0,
470  + 0.0e0, 0.0e0, 0.6e0, -0.9e0, 0.1e0, 0.7e0,
471  + -0.5e0, 0.2e0, 0.8e0/
472  DATA ssize1/0.0e0, 0.3e0, 1.6e0, 3.2e0/
473  DATA ssize2/0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
474  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
475  + 0.0e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
476  + 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
477  + 1.17e0, 1.17e0, 1.17e0/
478  DATA ssize3/ .1, .4, 1.7, 3.3 /
479 *
480 * FOR DROTM
481 *
482  DATA dpar/-2.e0, 0.e0,0.e0,0.e0,0.e0,
483  a -1.e0, 2.e0, -3.e0, -4.e0, 5.e0,
484  b 0.e0, 0.e0, 2.e0, -3.e0, 0.e0,
485  c 1.e0, 5.e0, 2.e0, 0.e0, -4.e0/
486 * TRUE X RESULTS F0R ROTATIONS DROTM
487  DATA dt19xa/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
488  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
489  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
490  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
491  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
492  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
493  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
494  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
495  h .6e0, .1e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
496  i -.8e0, 3.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
497  j -.9e0, 2.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
498  k 3.5e0, -.4e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
499  l .6e0, .1e0, -.5e0, .8e0, 0.e0,0.e0,0.e0,
500  m -.8e0, 3.8e0, -2.2e0, -1.2e0, 0.e0,0.e0,0.e0,
501  n -.9e0, 2.8e0, -1.4e0, -1.3e0, 0.e0,0.e0,0.e0,
502  o 3.5e0, -.4e0, -2.2e0, 4.7e0, 0.e0,0.e0,0.e0/
503 *
504  DATA dt19xb/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
505  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
506  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
507  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
508  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
509  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
510  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
511  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
512  h .6e0, .1e0, -.5e0, 0.e0,0.e0,0.e0,0.e0,
513  i 0.e0, .1e0, -3.0e0, 0.e0,0.e0,0.e0,0.e0,
514  j -.3e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
515  k 3.3e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
516  l .6e0, .1e0, -.5e0, .8e0, .9e0, -.3e0, -.4e0,
517  m -2.0e0, .1e0, 1.4e0, .8e0, .6e0, -.3e0, -2.8e0,
518  n -1.8e0, .1e0, 1.3e0, .8e0, 0.e0, -.3e0, -1.9e0,
519  o 3.8e0, .1e0, -3.1e0, .8e0, 4.8e0, -.3e0, -1.5e0 /
520 *
521  DATA dt19xc/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
522  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
523  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
524  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
525  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
526  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
527  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
528  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
529  h .6e0, .1e0, -.5e0, 0.e0,0.e0,0.e0,0.e0,
530  i 4.8e0, .1e0, -3.0e0, 0.e0,0.e0,0.e0,0.e0,
531  j 3.3e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
532  k 2.1e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
533  l .6e0, .1e0, -.5e0, .8e0, .9e0, -.3e0, -.4e0,
534  m -1.6e0, .1e0, -2.2e0, .8e0, 5.4e0, -.3e0, -2.8e0,
535  n -1.5e0, .1e0, -1.4e0, .8e0, 3.6e0, -.3e0, -1.9e0,
536  o 3.7e0, .1e0, -2.2e0, .8e0, 3.6e0, -.3e0, -1.5e0 /
537 *
538  DATA dt19xd/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
539  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
540  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
541  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
542  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
543  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
544  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
545  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
546  h .6e0, .1e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
547  i -.8e0, -1.0e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
548  j -.9e0, -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
549  k 3.5e0, .8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
550  l .6e0, .1e0, -.5e0, .8e0, 0.e0,0.e0,0.e0,
551  m -.8e0, -1.0e0, 1.4e0, -1.6e0, 0.e0,0.e0,0.e0,
552  n -.9e0, -.8e0, 1.3e0, -1.6e0, 0.e0,0.e0,0.e0,
553  o 3.5e0, .8e0, -3.1e0, 4.8e0, 0.e0,0.e0,0.e0/
554 * TRUE Y RESULTS FOR ROTATIONS DROTM
555  DATA dt19ya/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
556  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
557  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
558  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
559  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
560  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
561  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
562  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
563  h .5e0, -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
564  i .7e0, -4.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
565  j 1.7e0, -.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
566  k -2.6e0, 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
567  l .5e0, -.9e0, .3e0, .7e0, 0.e0,0.e0,0.e0,
568  m .7e0, -4.8e0, 3.0e0, 1.1e0, 0.e0,0.e0,0.e0,
569  n 1.7e0, -.7e0, -.7e0, 2.3e0, 0.e0,0.e0,0.e0,
570  o -2.6e0, 3.5e0, -.7e0, -3.6e0, 0.e0,0.e0,0.e0/
571 *
572  DATA dt19yb/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
573  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
574  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
575  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
576  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
577  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
578  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
579  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
580  h .5e0, -.9e0, .3e0, 0.e0,0.e0,0.e0,0.e0,
581  i 4.0e0, -.9e0, -.3e0, 0.e0,0.e0,0.e0,0.e0,
582  j -.5e0, -.9e0, 1.5e0, 0.e0,0.e0,0.e0,0.e0,
583  k -1.5e0, -.9e0, -1.8e0, 0.e0,0.e0,0.e0,0.e0,
584  l .5e0, -.9e0, .3e0, .7e0, -.6e0, .2e0, .8e0,
585  m 3.7e0, -.9e0, -1.2e0, .7e0, -1.5e0, .2e0, 2.2e0,
586  n -.3e0, -.9e0, 2.1e0, .7e0, -1.6e0, .2e0, 2.0e0,
587  o -1.6e0, -.9e0, -2.1e0, .7e0, 2.9e0, .2e0, -3.8e0 /
588 *
589  DATA dt19yc/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
590  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
591  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
592  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
593  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
594  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
595  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
596  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
597  h .5e0, -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
598  i 4.0e0, -6.3e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
599  j -.5e0, .3e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
600  k -1.5e0, 3.0e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
601  l .5e0, -.9e0, .3e0, .7e0, 0.e0,0.e0,0.e0,
602  m 3.7e0, -7.2e0, 3.0e0, 1.7e0, 0.e0,0.e0,0.e0,
603  n -.3e0, .9e0, -.7e0, 1.9e0, 0.e0,0.e0,0.e0,
604  o -1.6e0, 2.7e0, -.7e0, -3.4e0, 0.e0,0.e0,0.e0/
605 *
606  DATA dt19yd/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
607  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
608  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
609  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
610  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
611  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
612  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
613  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
614  h .5e0, -.9e0, .3e0, 0.e0,0.e0,0.e0,0.e0,
615  i .7e0, -.9e0, 1.2e0, 0.e0,0.e0,0.e0,0.e0,
616  j 1.7e0, -.9e0, .5e0, 0.e0,0.e0,0.e0,0.e0,
617  k -2.6e0, -.9e0, -1.3e0, 0.e0,0.e0,0.e0,0.e0,
618  l .5e0, -.9e0, .3e0, .7e0, -.6e0, .2e0, .8e0,
619  m .7e0, -.9e0, 1.2e0, .7e0, -1.5e0, .2e0, 1.6e0,
620  n 1.7e0, -.9e0, .5e0, .7e0, -1.6e0, .2e0, 2.4e0,
621  o -2.6e0, -.9e0, -1.3e0, .7e0, 2.9e0, .2e0, -4.0e0 /
622 *
623 * .. Executable Statements ..
624 *
625  DO 120 ki = 1, 4
626  incx = incxs(ki)
627  incy = incys(ki)
628  mx = abs(incx)
629  my = abs(incy)
630 *
631  DO 100 kn = 1, 4
632  n = ns(kn)
633  ksize = min(2,kn)
634  lenx = lens(kn,mx)
635  leny = lens(kn,my)
636 * .. Initialize all argument arrays ..
637  DO 20 i = 1, 7
638  sx(i) = dx1(i)
639  sy(i) = dy1(i)
640  20 CONTINUE
641 *
642  IF (icase.EQ.1) THEN
643 * .. SDOT ..
644  CALL stest1(sdot(n,sx,incx,sy,incy),dt7(kn,ki),ssize1(kn)
645  + ,sfac)
646  ELSE IF (icase.EQ.2) THEN
647 * .. SAXPY ..
648  CALL saxpy(n,sa,sx,incx,sy,incy)
649  DO 40 j = 1, leny
650  sty(j) = dt8(j,kn,ki)
651  40 CONTINUE
652  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
653  ELSE IF (icase.EQ.5) THEN
654 * .. SCOPY ..
655  DO 60 i = 1, 7
656  sty(i) = dt10y(i,kn,ki)
657  60 CONTINUE
658  CALL scopy(n,sx,incx,sy,incy)
659  CALL stest(leny,sy,sty,ssize2(1,1),1.0e0)
660  IF (ki.EQ.1) THEN
661  sx0(1) = 42.0e0
662  sy0(1) = 43.0e0
663  IF (n.EQ.0) THEN
664  sty0(1) = sy0(1)
665  ELSE
666  sty0(1) = sx0(1)
667  END IF
668  lincx = incx
669  incx = 0
670  lincy = incy
671  incy = 0
672  CALL scopy(n,sx0,incx,sy0,incy)
673  CALL stest(1,sy0,sty0,ssize2(1,1),1.0e0)
674  incx = lincx
675  incy = lincy
676  END IF
677  ELSE IF (icase.EQ.6) THEN
678 * .. SSWAP ..
679  CALL sswap(n,sx,incx,sy,incy)
680  DO 80 i = 1, 7
681  stx(i) = dt10x(i,kn,ki)
682  sty(i) = dt10y(i,kn,ki)
683  80 CONTINUE
684  CALL stest(lenx,sx,stx,ssize2(1,1),1.0e0)
685  CALL stest(leny,sy,sty,ssize2(1,1),1.0e0)
686  ELSEIF (icase.EQ.12) THEN
687 * .. SROTM ..
688  kni=kn+4*(ki-1)
689  DO kpar=1,4
690  DO i=1,7
691  sx(i) = dx1(i)
692  sy(i) = dy1(i)
693  stx(i)= dt19x(i,kpar,kni)
694  sty(i)= dt19y(i,kpar,kni)
695  END DO
696 *
697  DO i=1,5
698  dtemp(i) = dpar(i,kpar)
699  END DO
700 *
701  DO i=1,lenx
702  ssize(i)=stx(i)
703  END DO
704 * SEE REMARK ABOVE ABOUT DT11X(1,2,7)
705 * AND DT11X(5,3,8).
706  IF ((kpar .EQ. 2) .AND. (kni .EQ. 7))
707  $ ssize(1) = 2.4e0
708  IF ((kpar .EQ. 3) .AND. (kni .EQ. 8))
709  $ ssize(5) = 1.8e0
710 *
711  CALL srotm(n,sx,incx,sy,incy,dtemp)
712  CALL stest(lenx,sx,stx,ssize,sfac)
713  CALL stest(leny,sy,sty,sty,sfac)
714  END DO
715  ELSEIF (icase.EQ.13) THEN
716 * .. SDSROT ..
717  CALL stest1 (sdsdot(n,.1,sx,incx,sy,incy),
718  $ st7b(kn,ki),ssize3(kn),sfac)
719  ELSE
720  WRITE (nout,*) ' Shouldn''t be here in CHECK2'
721  stop
722  END IF
723  100 CONTINUE
724  120 CONTINUE
725  RETURN
726 *
727 * End of CHECK2
728 *
729  END
730  SUBROUTINE check3(SFAC)
731 * .. Parameters ..
732  INTEGER NOUT
733  parameter(nout=6)
734 * .. Scalar Arguments ..
735  REAL SFAC
736 * .. Scalars in Common ..
737  INTEGER ICASE, INCX, INCY, N
738  LOGICAL PASS
739 * .. Local Scalars ..
740  REAL SC, SS
741  INTEGER I, K, KI, KN, KSIZE, LENX, LENY, MX, MY
742 * .. Local Arrays ..
743  REAL COPYX(5), COPYY(5), DT9X(7,4,4), DT9Y(7,4,4),
744  + DX1(7), DY1(7), MWPC(11), MWPS(11), MWPSTX(5),
745  + MWPSTY(5), MWPTX(11,5), MWPTY(11,5), MWPX(5),
746  + MWPY(5), SSIZE2(14,2), STX(7), STY(7), SX(7),
747  + SY(7)
748  INTEGER INCXS(4), INCYS(4), LENS(4,2), MWPINX(11),
749  + MWPINY(11), MWPN(11), NS(4)
750 * .. External Subroutines ..
751  EXTERNAL srot, stest
752 * .. Intrinsic Functions ..
753  INTRINSIC abs, min
754 * .. Common blocks ..
755  COMMON /combla/icase, n, incx, incy, pass
756 * .. Data statements ..
757  DATA incxs/1, 2, -2, -1/
758  DATA incys/1, -2, 1, -2/
759  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
760  DATA ns/0, 1, 2, 4/
761  DATA dx1/0.6e0, 0.1e0, -0.5e0, 0.8e0, 0.9e0, -0.3e0,
762  + -0.4e0/
763  DATA dy1/0.5e0, -0.9e0, 0.3e0, 0.7e0, -0.6e0, 0.2e0,
764  + 0.8e0/
765  DATA sc, ss/0.8e0, 0.6e0/
766  DATA dt9x/0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
767  + 0.0e0, 0.78e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
768  + 0.0e0, 0.0e0, 0.78e0, -0.46e0, 0.0e0, 0.0e0,
769  + 0.0e0, 0.0e0, 0.0e0, 0.78e0, -0.46e0, -0.22e0,
770  + 1.06e0, 0.0e0, 0.0e0, 0.0e0, 0.6e0, 0.0e0,
771  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.78e0,
772  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
773  + 0.66e0, 0.1e0, -0.1e0, 0.0e0, 0.0e0, 0.0e0,
774  + 0.0e0, 0.96e0, 0.1e0, -0.76e0, 0.8e0, 0.90e0,
775  + -0.3e0, -0.02e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0,
776  + 0.0e0, 0.0e0, 0.0e0, 0.78e0, 0.0e0, 0.0e0,
777  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, -0.06e0, 0.1e0,
778  + -0.1e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.90e0,
779  + 0.1e0, -0.22e0, 0.8e0, 0.18e0, -0.3e0, -0.02e0,
780  + 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
781  + 0.78e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
782  + 0.0e0, 0.78e0, 0.26e0, 0.0e0, 0.0e0, 0.0e0,
783  + 0.0e0, 0.0e0, 0.78e0, 0.26e0, -0.76e0, 1.12e0,
784  + 0.0e0, 0.0e0, 0.0e0/
785  DATA dt9y/0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
786  + 0.0e0, 0.04e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
787  + 0.0e0, 0.0e0, 0.04e0, -0.78e0, 0.0e0, 0.0e0,
788  + 0.0e0, 0.0e0, 0.0e0, 0.04e0, -0.78e0, 0.54e0,
789  + 0.08e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0,
790  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.04e0,
791  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.7e0,
792  + -0.9e0, -0.12e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
793  + 0.64e0, -0.9e0, -0.30e0, 0.7e0, -0.18e0, 0.2e0,
794  + 0.28e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
795  + 0.0e0, 0.0e0, 0.04e0, 0.0e0, 0.0e0, 0.0e0,
796  + 0.0e0, 0.0e0, 0.0e0, 0.7e0, -1.08e0, 0.0e0,
797  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.64e0, -1.26e0,
798  + 0.54e0, 0.20e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0,
799  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
800  + 0.04e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
801  + 0.0e0, 0.04e0, -0.9e0, 0.18e0, 0.0e0, 0.0e0,
802  + 0.0e0, 0.0e0, 0.04e0, -0.9e0, 0.18e0, 0.7e0,
803  + -0.18e0, 0.2e0, 0.16e0/
804  DATA ssize2/0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
805  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
806  + 0.0e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
807  + 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
808  + 1.17e0, 1.17e0, 1.17e0/
809 * .. Executable Statements ..
810 *
811  DO 60 ki = 1, 4
812  incx = incxs(ki)
813  incy = incys(ki)
814  mx = abs(incx)
815  my = abs(incy)
816 *
817  DO 40 kn = 1, 4
818  n = ns(kn)
819  ksize = min(2,kn)
820  lenx = lens(kn,mx)
821  leny = lens(kn,my)
822 *
823  IF (icase.EQ.4) THEN
824 * .. SROT ..
825  DO 20 i = 1, 7
826  sx(i) = dx1(i)
827  sy(i) = dy1(i)
828  stx(i) = dt9x(i,kn,ki)
829  sty(i) = dt9y(i,kn,ki)
830  20 CONTINUE
831  CALL srot(n,sx,incx,sy,incy,sc,ss)
832  CALL stest(lenx,sx,stx,ssize2(1,ksize),sfac)
833  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
834  ELSE
835  WRITE (nout,*) ' Shouldn''t be here in CHECK3'
836  stop
837  END IF
838  40 CONTINUE
839  60 CONTINUE
840 *
841  mwpc(1) = 1
842  DO 80 i = 2, 11
843  mwpc(i) = 0
844  80 CONTINUE
845  mwps(1) = 0
846  DO 100 i = 2, 6
847  mwps(i) = 1
848  100 CONTINUE
849  DO 120 i = 7, 11
850  mwps(i) = -1
851  120 CONTINUE
852  mwpinx(1) = 1
853  mwpinx(2) = 1
854  mwpinx(3) = 1
855  mwpinx(4) = -1
856  mwpinx(5) = 1
857  mwpinx(6) = -1
858  mwpinx(7) = 1
859  mwpinx(8) = 1
860  mwpinx(9) = -1
861  mwpinx(10) = 1
862  mwpinx(11) = -1
863  mwpiny(1) = 1
864  mwpiny(2) = 1
865  mwpiny(3) = -1
866  mwpiny(4) = -1
867  mwpiny(5) = 2
868  mwpiny(6) = 1
869  mwpiny(7) = 1
870  mwpiny(8) = -1
871  mwpiny(9) = -1
872  mwpiny(10) = 2
873  mwpiny(11) = 1
874  DO 140 i = 1, 11
875  mwpn(i) = 5
876  140 CONTINUE
877  mwpn(5) = 3
878  mwpn(10) = 3
879  DO 160 i = 1, 5
880  mwpx(i) = i
881  mwpy(i) = i
882  mwptx(1,i) = i
883  mwpty(1,i) = i
884  mwptx(2,i) = i
885  mwpty(2,i) = -i
886  mwptx(3,i) = 6 - i
887  mwpty(3,i) = i - 6
888  mwptx(4,i) = i
889  mwpty(4,i) = -i
890  mwptx(6,i) = 6 - i
891  mwpty(6,i) = i - 6
892  mwptx(7,i) = -i
893  mwpty(7,i) = i
894  mwptx(8,i) = i - 6
895  mwpty(8,i) = 6 - i
896  mwptx(9,i) = -i
897  mwpty(9,i) = i
898  mwptx(11,i) = i - 6
899  mwpty(11,i) = 6 - i
900  160 CONTINUE
901  mwptx(5,1) = 1
902  mwptx(5,2) = 3
903  mwptx(5,3) = 5
904  mwptx(5,4) = 4
905  mwptx(5,5) = 5
906  mwpty(5,1) = -1
907  mwpty(5,2) = 2
908  mwpty(5,3) = -2
909  mwpty(5,4) = 4
910  mwpty(5,5) = -3
911  mwptx(10,1) = -1
912  mwptx(10,2) = -3
913  mwptx(10,3) = -5
914  mwptx(10,4) = 4
915  mwptx(10,5) = 5
916  mwpty(10,1) = 1
917  mwpty(10,2) = 2
918  mwpty(10,3) = 2
919  mwpty(10,4) = 4
920  mwpty(10,5) = 3
921  DO 200 i = 1, 11
922  incx = mwpinx(i)
923  incy = mwpiny(i)
924  DO 180 k = 1, 5
925  copyx(k) = mwpx(k)
926  copyy(k) = mwpy(k)
927  mwpstx(k) = mwptx(i,k)
928  mwpsty(k) = mwpty(i,k)
929  180 CONTINUE
930  CALL srot(mwpn(i),copyx,incx,copyy,incy,mwpc(i),mwps(i))
931  CALL stest(5,copyx,mwpstx,mwpstx,sfac)
932  CALL stest(5,copyy,mwpsty,mwpsty,sfac)
933  200 CONTINUE
934  RETURN
935 *
936 * End of CHECK3
937 *
938  END
939  SUBROUTINE stest(LEN,SCOMP,STRUE,SSIZE,SFAC)
940 * ********************************* STEST **************************
941 *
942 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
943 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
944 * NEGLIGIBLE.
945 *
946 * C. L. LAWSON, JPL, 1974 DEC 10
947 *
948 * .. Parameters ..
949  INTEGER NOUT
950  REAL ZERO
951  parameter(nout=6, zero=0.0e0)
952 * .. Scalar Arguments ..
953  REAL SFAC
954  INTEGER LEN
955 * .. Array Arguments ..
956  REAL SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
957 * .. Scalars in Common ..
958  INTEGER ICASE, INCX, INCY, N
959  LOGICAL PASS
960 * .. Local Scalars ..
961  REAL SD
962  INTEGER I
963 * .. External Functions ..
964  REAL SDIFF
965  EXTERNAL sdiff
966 * .. Intrinsic Functions ..
967  INTRINSIC abs
968 * .. Common blocks ..
969  COMMON /combla/icase, n, incx, incy, pass
970 * .. Executable Statements ..
971 *
972  DO 40 i = 1, len
973  sd = scomp(i) - strue(i)
974  IF (abs(sfac*sd) .LE. abs(ssize(i))*epsilon(zero))
975  + GO TO 40
976 *
977 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
978 *
979  IF ( .NOT. pass) GO TO 20
980 * PRINT FAIL MESSAGE AND HEADER.
981  pass = .false.
982  WRITE (nout,99999)
983  WRITE (nout,99998)
984  20 WRITE (nout,99997) icase, n, incx, incy, i, scomp(i),
985  + strue(i), sd, ssize(i)
986  40 CONTINUE
987  RETURN
988 *
989 99999 FORMAT (' FAIL')
990 99998 FORMAT (/' CASE N INCX INCY I ',
991  + ' COMP(I) TRUE(I) DIFFERENCE',
992  + ' SIZE(I)',/1x)
993 99997 FORMAT (1x,i4,i3,2i5,i3,2e36.8,2e12.4)
994 *
995 * End of STEST
996 *
997  END
998  SUBROUTINE stest1(SCOMP1,STRUE1,SSIZE,SFAC)
999 * ************************* STEST1 *****************************
1000 *
1001 * THIS IS AN INTERFACE SUBROUTINE TO ACCOMMODATE THE FORTRAN
1002 * REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
1003 * ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
1004 *
1005 * C.L. LAWSON, JPL, 1978 DEC 6
1006 *
1007 * .. Scalar Arguments ..
1008  REAL SCOMP1, SFAC, STRUE1
1009 * .. Array Arguments ..
1010  REAL SSIZE(*)
1011 * .. Local Arrays ..
1012  REAL SCOMP(1), STRUE(1)
1013 * .. External Subroutines ..
1014  EXTERNAL stest
1015 * .. Executable Statements ..
1016 *
1017  scomp(1) = scomp1
1018  strue(1) = strue1
1019  CALL stest(1,scomp,strue,ssize,sfac)
1020 *
1021  RETURN
1022 *
1023 * End of STEST1
1024 *
1025  END
1026  REAL function sdiff(sa,sb)
1027 * ********************************* SDIFF **************************
1028 * COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
1029 *
1030 * .. Scalar Arguments ..
1031  REAL sa, sb
1032 * .. Executable Statements ..
1033  sdiff = sa - sb
1034  RETURN
1035 *
1036 * End of SDIFF
1037 *
1038  END
1039  SUBROUTINE itest1(ICOMP,ITRUE)
1040 * ********************************* ITEST1 *************************
1041 *
1042 * THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
1043 * EQUALITY.
1044 * C. L. LAWSON, JPL, 1974 DEC 10
1045 *
1046 * .. Parameters ..
1047  INTEGER NOUT
1048  parameter(nout=6)
1049 * .. Scalar Arguments ..
1050  INTEGER ICOMP, ITRUE
1051 * .. Scalars in Common ..
1052  INTEGER ICASE, INCX, INCY, N
1053  LOGICAL PASS
1054 * .. Local Scalars ..
1055  INTEGER ID
1056 * .. Common blocks ..
1057  COMMON /combla/icase, n, incx, incy, pass
1058 * .. Executable Statements ..
1059 *
1060  IF (icomp.EQ.itrue) GO TO 40
1061 *
1062 * HERE ICOMP IS NOT EQUAL TO ITRUE.
1063 *
1064  IF ( .NOT. pass) GO TO 20
1065 * PRINT FAIL MESSAGE AND HEADER.
1066  pass = .false.
1067  WRITE (nout,99999)
1068  WRITE (nout,99998)
1069  20 id = icomp - itrue
1070  WRITE (nout,99997) icase, n, incx, incy, icomp, itrue, id
1071  40 CONTINUE
1072  RETURN
1073 *
1074 99999 FORMAT (' FAIL')
1075 99998 FORMAT (/' CASE N INCX INCY ',
1076  + ' COMP TRUE DIFFERENCE',
1077  + /1x)
1078 99997 FORMAT (1x,i4,i3,2i5,2i36,i12)
1079 *
1080 * End of ITEST1
1081 *
1082  END
stest
subroutine stest(LEN, SCOMP, STRUE, SSIZE, SFAC)
Definition: cblat1.f:609
header
subroutine header
Definition: cblat1.f:91
sdiff
real function sdiff(SA, SB)
Definition: cblat1.f:696
check1
subroutine check1(SFAC)
Definition: cblat1.f:122
check2
subroutine check2(SFAC)
Definition: cblat1.f:343
stest1
subroutine stest1(SCOMP1, STRUE1, SSIZE, SFAC)
Definition: cblat1.f:668
itest1
subroutine itest1(ICOMP, ITRUE)
Definition: cblat1.f:743
check3
subroutine check3(SFAC)
Definition: dblat1.f:729
check0
subroutine check0(SFAC)
Definition: dblat1.f:130
sswap
subroutine sswap(N, SX, INCX, SY, INCY)
SSWAP
Definition: sswap.f:82
srot
subroutine srot(N, SX, INCX, SY, INCY, C, S)
SROT
Definition: srot.f:92
scopy
subroutine scopy(N, SX, INCX, SY, INCY)
SCOPY
Definition: scopy.f:82
sscal
subroutine sscal(N, SA, SX, INCX)
SSCAL
Definition: sscal.f:79
srotg
subroutine srotg(a, b, c, s)
SROTG
Definition: srotg.f90:93
srotm
subroutine srotm(N, SX, INCX, SY, INCY, SPARAM)
SROTM
Definition: srotm.f:97
srotmg
subroutine srotmg(SD1, SD2, SX1, SY1, SPARAM)
SROTMG
Definition: srotmg.f:90
saxpy
subroutine saxpy(N, SA, SX, INCX, SY, INCY)
SAXPY
Definition: saxpy.f:89
sblat1
program sblat1
SBLAT1
Definition: sblat1.f:36