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dblat1.f
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1 *> \brief \b DBLAT1
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 DBLAT1
12 *
13 *
14 *> \par Purpose:
15 * =============
16 *>
17 *> \verbatim
18 *>
19 *> Test program for the DOUBLE PRECISION 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 double_blas_testing
36 *
37 * =====================================================================
38  PROGRAM dblat1
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  DOUBLE PRECISION 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/9.765625d-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 *
92 99999 FORMAT (' Real BLAS Test Program Results',/1x)
93 99998 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)/' DDOT '/
108  DATA l(2)/'DAXPY '/
109  DATA l(3)/'DROTG '/
110  DATA l(4)/' DROT '/
111  DATA l(5)/'DCOPY '/
112  DATA l(6)/'DSWAP '/
113  DATA l(7)/'DNRM2 '/
114  DATA l(8)/'DASUM '/
115  DATA l(9)/'DSCAL '/
116  DATA l(10)/'IDAMAX'/
117  DATA l(11)/'DROTMG'/
118  DATA l(12)/'DROTM '/
119  DATA l(13)/'DSDOT '/
120 * .. Executable Statements ..
121  WRITE (nout,99999) icase, l(icase)
122  RETURN
123 *
124 99999 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  DOUBLE PRECISION sfac
132 * .. Scalars in Common ..
133  INTEGER icase, incx, incy, n
134  LOGICAL pass
135 * .. Local Scalars ..
136  DOUBLE PRECISION sa, sb, sc, ss, d12
137  INTEGER i, k
138 * .. Local Arrays ..
139  DOUBLE PRECISION 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 drotg, drotmg, stest1
143 * .. Common blocks ..
144  COMMON /combla/icase, n, incx, incy, pass
145 * .. Data statements ..
146  DATA da1/0.3d0, 0.4d0, -0.3d0, -0.4d0, -0.3d0, 0.0d0,
147  + 0.0d0, 1.0d0/
148  DATA db1/0.4d0, 0.3d0, 0.4d0, 0.3d0, -0.4d0, 0.0d0,
149  + 1.0d0, 0.0d0/
150  DATA dc1/0.6d0, 0.8d0, -0.6d0, 0.8d0, 0.6d0, 1.0d0,
151  + 0.0d0, 1.0d0/
152  DATA ds1/0.8d0, 0.6d0, 0.8d0, -0.6d0, 0.8d0, 0.0d0,
153  + 1.0d0, 0.0d0/
154  DATA datrue/0.5d0, 0.5d0, 0.5d0, -0.5d0, -0.5d0,
155  + 0.0d0, 1.0d0, 1.0d0/
156  DATA dbtrue/0.0d0, 0.6d0, 0.0d0, -0.6d0, 0.0d0,
157  + 0.0d0, 1.0d0, 0.0d0/
158 * INPUT FOR MODIFIED GIVENS
159  DATA dab/ .1d0,.3d0,1.2d0,.2d0,
160  a .7d0, .2d0, .6d0, 4.2d0,
161  b 0.d0,0.d0,0.d0,0.d0,
162  c 4.d0, -1.d0, 2.d0, 4.d0,
163  d 6.d-10, 2.d-2, 1.d5, 10.d0,
164  e 4.d10, 2.d-2, 1.d-5, 10.d0,
165  f 2.d-10, 4.d-2, 1.d5, 10.d0,
166  g 2.d10, 4.d-2, 1.d-5, 10.d0,
167  h 4.d0, -2.d0, 8.d0, 4.d0 /
168 * TRUE RESULTS FOR MODIFIED GIVENS
169  DATA dtrue/0.d0,0.d0, 1.3d0, .2d0, 0.d0,0.d0,0.d0, .5d0, 0.d0,
170  a 0.d0,0.d0, 4.5d0, 4.2d0, 1.d0, .5d0, 0.d0,0.d0,0.d0,
171  b 0.d0,0.d0,0.d0,0.d0, -2.d0, 0.d0,0.d0,0.d0,0.d0,
172  c 0.d0,0.d0,0.d0, 4.d0, -1.d0, 0.d0,0.d0,0.d0,0.d0,
173  d 0.d0, 15.d-3, 0.d0, 10.d0, -1.d0, 0.d0, -1.d-4,
174  e 0.d0, 1.d0,
175  f 0.d0,0.d0, 6144.d-5, 10.d0, -1.d0, 4096.d0, -1.d6,
176  g 0.d0, 1.d0,
177  h 0.d0,0.d0,15.d0,10.d0,-1.d0, 5.d-5, 0.d0,1.d0,0.d0,
178  i 0.d0,0.d0, 15.d0, 10.d0, -1. d0, 5.d5, -4096.d0,
179  j 1.d0, 4096.d-6,
180  k 0.d0,0.d0, 7.d0, 4.d0, 0.d0,0.d0, -.5d0, -.25d0, 0.d0/
181 * 4096 = 2 ** 12
182  DATA d12 /4096.d0/
183  dtrue(1,1) = 12.d0 / 130.d0
184  dtrue(2,1) = 36.d0 / 130.d0
185  dtrue(7,1) = -1.d0 / 6.d0
186  dtrue(1,2) = 14.d0 / 75.d0
187  dtrue(2,2) = 49.d0 / 75.d0
188  dtrue(9,2) = 1.d0 / 7.d0
189  dtrue(1,5) = 45.d-11 * (d12 * d12)
190  dtrue(3,5) = 4.d5 / (3.d0 * d12)
191  dtrue(6,5) = 1.d0 / d12
192  dtrue(8,5) = 1.d4 / (3.d0 * d12)
193  dtrue(1,6) = 4.d10 / (1.5d0 * d12 * d12)
194  dtrue(2,6) = 2.d-2 / 1.5d0
195  dtrue(8,6) = 5.d-7 * d12
196  dtrue(1,7) = 4.d0 / 150.d0
197  dtrue(2,7) = (2.d-10 / 1.5d0) * (d12 * d12)
198  dtrue(7,7) = -dtrue(6,5)
199  dtrue(9,7) = 1.d4 / d12
200  dtrue(1,8) = dtrue(1,7)
201  dtrue(2,8) = 2.d10 / (1.5d0 * d12 * d12)
202  dtrue(1,9) = 32.d0 / 7.d0
203  dtrue(2,9) = -16.d0 / 7.d0
204 * .. Executable Statements ..
205 *
206 * Compute true values which cannot be prestored
207 * in decimal notation
208 *
209  dbtrue(1) = 1.0d0/0.6d0
210  dbtrue(3) = -1.0d0/0.6d0
211  dbtrue(5) = 1.0d0/0.6d0
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 * .. DROTG ..
218  IF (k.GT.8) go to 40
219  sa = da1(k)
220  sb = db1(k)
221  CALL drotg(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 * .. DROTMG ..
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 drotmg(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  DOUBLE PRECISION 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  DOUBLE PRECISION 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  DOUBLE PRECISION dasum, dnrm2
259  INTEGER idamax
260  EXTERNAL dasum, dnrm2, idamax
261 * .. External Subroutines ..
262  EXTERNAL itest1, dscal, 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/0.3d0, -1.0d0, 0.0d0, 1.0d0, 0.3d0, 0.3d0,
269  + 0.3d0, 0.3d0, 0.3d0, 0.3d0/
270  DATA dv/0.1d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0,
271  + 2.0d0, 2.0d0, 0.3d0, 3.0d0, 3.0d0, 3.0d0, 3.0d0,
272  + 3.0d0, 3.0d0, 3.0d0, 0.3d0, -0.4d0, 4.0d0,
273  + 4.0d0, 4.0d0, 4.0d0, 4.0d0, 4.0d0, 0.2d0,
274  + -0.6d0, 0.3d0, 5.0d0, 5.0d0, 5.0d0, 5.0d0,
275  + 5.0d0, 0.1d0, -0.3d0, 0.5d0, -0.1d0, 6.0d0,
276  + 6.0d0, 6.0d0, 6.0d0, 0.1d0, 8.0d0, 8.0d0, 8.0d0,
277  + 8.0d0, 8.0d0, 8.0d0, 8.0d0, 0.3d0, 9.0d0, 9.0d0,
278  + 9.0d0, 9.0d0, 9.0d0, 9.0d0, 9.0d0, 0.3d0, 2.0d0,
279  + -0.4d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0,
280  + 0.2d0, 3.0d0, -0.6d0, 5.0d0, 0.3d0, 2.0d0,
281  + 2.0d0, 2.0d0, 0.1d0, 4.0d0, -0.3d0, 6.0d0,
282  + -0.5d0, 7.0d0, -0.1d0, 3.0d0/
283  DATA dtrue1/0.0d0, 0.3d0, 0.5d0, 0.7d0, 0.6d0/
284  DATA dtrue3/0.0d0, 0.3d0, 0.7d0, 1.1d0, 1.0d0/
285  DATA dtrue5/0.10d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0,
286  + 2.0d0, 2.0d0, 2.0d0, -0.3d0, 3.0d0, 3.0d0,
287  + 3.0d0, 3.0d0, 3.0d0, 3.0d0, 3.0d0, 0.0d0, 0.0d0,
288  + 4.0d0, 4.0d0, 4.0d0, 4.0d0, 4.0d0, 4.0d0,
289  + 0.20d0, -0.60d0, 0.30d0, 5.0d0, 5.0d0, 5.0d0,
290  + 5.0d0, 5.0d0, 0.03d0, -0.09d0, 0.15d0, -0.03d0,
291  + 6.0d0, 6.0d0, 6.0d0, 6.0d0, 0.10d0, 8.0d0,
292  + 8.0d0, 8.0d0, 8.0d0, 8.0d0, 8.0d0, 8.0d0,
293  + 0.09d0, 9.0d0, 9.0d0, 9.0d0, 9.0d0, 9.0d0,
294  + 9.0d0, 9.0d0, 0.09d0, 2.0d0, -0.12d0, 2.0d0,
295  + 2.0d0, 2.0d0, 2.0d0, 2.0d0, 0.06d0, 3.0d0,
296  + -0.18d0, 5.0d0, 0.09d0, 2.0d0, 2.0d0, 2.0d0,
297  + 0.03d0, 4.0d0, -0.09d0, 6.0d0, -0.15d0, 7.0d0,
298  + -0.03d0, 3.0d0/
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 * .. DNRM2 ..
312  stemp(1) = dtrue1(np1)
313  CALL stest1(dnrm2(n,sx,incx),stemp(1),stemp,sfac)
314  ELSE IF (icase.EQ.8) THEN
315 * .. DASUM ..
316  stemp(1) = dtrue3(np1)
317  CALL stest1(dasum(n,sx,incx),stemp(1),stemp,sfac)
318  ELSE IF (icase.EQ.9) THEN
319 * .. DSCAL ..
320  CALL dscal(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 * .. IDAMAX ..
327  CALL itest1(idamax(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  DOUBLE PRECISION sfac
342 * .. Scalars in Common ..
343  INTEGER icase, incx, incy, n
344  LOGICAL pass
345 * .. Local Scalars ..
346  DOUBLE PRECISION sa
347  INTEGER i, j, ki, kn, kni, kpar, ksize, lenx, leny,
348  $ mx, my
349 * .. Local Arrays ..
350  DOUBLE PRECISION 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), ssize(7),
353  $ 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  INTEGER incxs(4), incys(4), lens(4,2), ns(4)
359 * .. External Functions ..
360  DOUBLE PRECISION ddot, dsdot
361  EXTERNAL ddot, dsdot
362 * .. External Subroutines ..
363  EXTERNAL daxpy, dcopy, drotm, dswap, stest, stest1
364 * .. Intrinsic Functions ..
365  INTRINSIC abs, min
366 * .. Common blocks ..
367  COMMON /combla/icase, n, incx, incy, pass
368 * .. Data statements ..
369  equivalence(dt19x(1,1,1),dt19xa(1,1,1)),(dt19x(1,1,5),
370  a dt19xb(1,1,1)),(dt19x(1,1,9),dt19xc(1,1,1)),
371  b(dt19x(1,1,13),dt19xd(1,1,1))
372  equivalence(dt19y(1,1,1),dt19ya(1,1,1)),(dt19y(1,1,5),
373  a dt19yb(1,1,1)),(dt19y(1,1,9),dt19yc(1,1,1)),
374  b(dt19y(1,1,13),dt19yd(1,1,1))
375 
376  DATA sa/0.3d0/
377  DATA incxs/1, 2, -2, -1/
378  DATA incys/1, -2, 1, -2/
379  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
380  DATA ns/0, 1, 2, 4/
381  DATA dx1/0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.9d0, -0.3d0,
382  + -0.4d0/
383  DATA dy1/0.5d0, -0.9d0, 0.3d0, 0.7d0, -0.6d0, 0.2d0,
384  + 0.8d0/
385  DATA dt7/0.0d0, 0.30d0, 0.21d0, 0.62d0, 0.0d0,
386  + 0.30d0, -0.07d0, 0.85d0, 0.0d0, 0.30d0, -0.79d0,
387  + -0.74d0, 0.0d0, 0.30d0, 0.33d0, 1.27d0/
388  DATA dt8/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
389  + 0.0d0, 0.68d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
390  + 0.0d0, 0.0d0, 0.68d0, -0.87d0, 0.0d0, 0.0d0,
391  + 0.0d0, 0.0d0, 0.0d0, 0.68d0, -0.87d0, 0.15d0,
392  + 0.94d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
393  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.68d0,
394  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
395  + 0.35d0, -0.9d0, 0.48d0, 0.0d0, 0.0d0, 0.0d0,
396  + 0.0d0, 0.38d0, -0.9d0, 0.57d0, 0.7d0, -0.75d0,
397  + 0.2d0, 0.98d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0,
398  + 0.0d0, 0.0d0, 0.0d0, 0.68d0, 0.0d0, 0.0d0,
399  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.35d0, -0.72d0,
400  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.38d0,
401  + -0.63d0, 0.15d0, 0.88d0, 0.0d0, 0.0d0, 0.0d0,
402  + 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
403  + 0.68d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
404  + 0.0d0, 0.68d0, -0.9d0, 0.33d0, 0.0d0, 0.0d0,
405  + 0.0d0, 0.0d0, 0.68d0, -0.9d0, 0.33d0, 0.7d0,
406  + -0.75d0, 0.2d0, 1.04d0/
407  DATA dt10x/0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
408  + 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
409  + 0.0d0, 0.5d0, -0.9d0, 0.0d0, 0.0d0, 0.0d0,
410  + 0.0d0, 0.0d0, 0.5d0, -0.9d0, 0.3d0, 0.7d0,
411  + 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0,
412  + 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0,
413  + 0.0d0, 0.0d0, 0.0d0, 0.3d0, 0.1d0, 0.5d0, 0.0d0,
414  + 0.0d0, 0.0d0, 0.0d0, 0.8d0, 0.1d0, -0.6d0,
415  + 0.8d0, 0.3d0, -0.3d0, 0.5d0, 0.6d0, 0.0d0,
416  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
417  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.9d0,
418  + 0.1d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.7d0,
419  + 0.1d0, 0.3d0, 0.8d0, -0.9d0, -0.3d0, 0.5d0,
420  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
421  + 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
422  + 0.5d0, 0.3d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
423  + 0.5d0, 0.3d0, -0.6d0, 0.8d0, 0.0d0, 0.0d0,
424  + 0.0d0/
425  DATA dt10y/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
426  + 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
427  + 0.0d0, 0.6d0, 0.1d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
428  + 0.0d0, 0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.0d0,
429  + 0.0d0, 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
430  + 0.0d0, 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
431  + 0.0d0, 0.0d0, -0.5d0, -0.9d0, 0.6d0, 0.0d0,
432  + 0.0d0, 0.0d0, 0.0d0, -0.4d0, -0.9d0, 0.9d0,
433  + 0.7d0, -0.5d0, 0.2d0, 0.6d0, 0.5d0, 0.0d0,
434  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0,
435  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.5d0,
436  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
437  + -0.4d0, 0.9d0, -0.5d0, 0.6d0, 0.0d0, 0.0d0,
438  + 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
439  + 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
440  + 0.0d0, 0.6d0, -0.9d0, 0.1d0, 0.0d0, 0.0d0,
441  + 0.0d0, 0.0d0, 0.6d0, -0.9d0, 0.1d0, 0.7d0,
442  + -0.5d0, 0.2d0, 0.8d0/
443  DATA ssize1/0.0d0, 0.3d0, 1.6d0, 3.2d0/
444  DATA ssize2/0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
445  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
446  + 0.0d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
447  + 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
448  + 1.17d0, 1.17d0, 1.17d0/
449 *
450 * FOR DROTM
451 *
452  DATA dpar/-2.d0, 0.d0,0.d0,0.d0,0.d0,
453  a -1.d0, 2.d0, -3.d0, -4.d0, 5.d0,
454  b 0.d0, 0.d0, 2.d0, -3.d0, 0.d0,
455  c 1.d0, 5.d0, 2.d0, 0.d0, -4.d0/
456 * TRUE X RESULTS F0R ROTATIONS DROTM
457  DATA dt19xa/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
458  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
459  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
460  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
461  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
462  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
463  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
464  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
465  h .6d0, .1d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
466  i -.8d0, 3.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
467  j -.9d0, 2.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
468  k 3.5d0, -.4d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
469  l .6d0, .1d0, -.5d0, .8d0, 0.d0,0.d0,0.d0,
470  m -.8d0, 3.8d0, -2.2d0, -1.2d0, 0.d0,0.d0,0.d0,
471  n -.9d0, 2.8d0, -1.4d0, -1.3d0, 0.d0,0.d0,0.d0,
472  o 3.5d0, -.4d0, -2.2d0, 4.7d0, 0.d0,0.d0,0.d0/
473 *
474  DATA dt19xb/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
475  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
476  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
477  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
478  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
479  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
480  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
481  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
482  h .6d0, .1d0, -.5d0, 0.d0,0.d0,0.d0,0.d0,
483  i 0.d0, .1d0, -3.0d0, 0.d0,0.d0,0.d0,0.d0,
484  j -.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
485  k 3.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
486  l .6d0, .1d0, -.5d0, .8d0, .9d0, -.3d0, -.4d0,
487  m -2.0d0, .1d0, 1.4d0, .8d0, .6d0, -.3d0, -2.8d0,
488  n -1.8d0, .1d0, 1.3d0, .8d0, 0.d0, -.3d0, -1.9d0,
489  o 3.8d0, .1d0, -3.1d0, .8d0, 4.8d0, -.3d0, -1.5d0 /
490 *
491  DATA dt19xc/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
492  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
493  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
494  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
495  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
496  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
497  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
498  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
499  h .6d0, .1d0, -.5d0, 0.d0,0.d0,0.d0,0.d0,
500  i 4.8d0, .1d0, -3.0d0, 0.d0,0.d0,0.d0,0.d0,
501  j 3.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
502  k 2.1d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
503  l .6d0, .1d0, -.5d0, .8d0, .9d0, -.3d0, -.4d0,
504  m -1.6d0, .1d0, -2.2d0, .8d0, 5.4d0, -.3d0, -2.8d0,
505  n -1.5d0, .1d0, -1.4d0, .8d0, 3.6d0, -.3d0, -1.9d0,
506  o 3.7d0, .1d0, -2.2d0, .8d0, 3.6d0, -.3d0, -1.5d0 /
507 *
508  DATA dt19xd/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
509  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
510  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
511  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
512  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
513  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
514  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
515  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
516  h .6d0, .1d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
517  i -.8d0, -1.0d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
518  j -.9d0, -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
519  k 3.5d0, .8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
520  l .6d0, .1d0, -.5d0, .8d0, 0.d0,0.d0,0.d0,
521  m -.8d0, -1.0d0, 1.4d0, -1.6d0, 0.d0,0.d0,0.d0,
522  n -.9d0, -.8d0, 1.3d0, -1.6d0, 0.d0,0.d0,0.d0,
523  o 3.5d0, .8d0, -3.1d0, 4.8d0, 0.d0,0.d0,0.d0/
524 * TRUE Y RESULTS FOR ROTATIONS DROTM
525  DATA dt19ya/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
526  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
527  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
528  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
529  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
530  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
531  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
532  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
533  h .5d0, -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
534  i .7d0, -4.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
535  j 1.7d0, -.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
536  k -2.6d0, 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
537  l .5d0, -.9d0, .3d0, .7d0, 0.d0,0.d0,0.d0,
538  m .7d0, -4.8d0, 3.0d0, 1.1d0, 0.d0,0.d0,0.d0,
539  n 1.7d0, -.7d0, -.7d0, 2.3d0, 0.d0,0.d0,0.d0,
540  o -2.6d0, 3.5d0, -.7d0, -3.6d0, 0.d0,0.d0,0.d0/
541 *
542  DATA dt19yb/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
543  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
544  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
545  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
546  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
547  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
548  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
549  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
550  h .5d0, -.9d0, .3d0, 0.d0,0.d0,0.d0,0.d0,
551  i 4.0d0, -.9d0, -.3d0, 0.d0,0.d0,0.d0,0.d0,
552  j -.5d0, -.9d0, 1.5d0, 0.d0,0.d0,0.d0,0.d0,
553  k -1.5d0, -.9d0, -1.8d0, 0.d0,0.d0,0.d0,0.d0,
554  l .5d0, -.9d0, .3d0, .7d0, -.6d0, .2d0, .8d0,
555  m 3.7d0, -.9d0, -1.2d0, .7d0, -1.5d0, .2d0, 2.2d0,
556  n -.3d0, -.9d0, 2.1d0, .7d0, -1.6d0, .2d0, 2.0d0,
557  o -1.6d0, -.9d0, -2.1d0, .7d0, 2.9d0, .2d0, -3.8d0 /
558 *
559  DATA dt19yc/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
560  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
561  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
562  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
563  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
564  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
565  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
566  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
567  h .5d0, -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
568  i 4.0d0, -6.3d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
569  j -.5d0, .3d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
570  k -1.5d0, 3.0d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
571  l .5d0, -.9d0, .3d0, .7d0, 0.d0,0.d0,0.d0,
572  m 3.7d0, -7.2d0, 3.0d0, 1.7d0, 0.d0,0.d0,0.d0,
573  n -.3d0, .9d0, -.7d0, 1.9d0, 0.d0,0.d0,0.d0,
574  o -1.6d0, 2.7d0, -.7d0, -3.4d0, 0.d0,0.d0,0.d0/
575 *
576  DATA dt19yd/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
577  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
578  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
579  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
580  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
581  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
582  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
583  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
584  h .5d0, -.9d0, .3d0, 0.d0,0.d0,0.d0,0.d0,
585  i .7d0, -.9d0, 1.2d0, 0.d0,0.d0,0.d0,0.d0,
586  j 1.7d0, -.9d0, .5d0, 0.d0,0.d0,0.d0,0.d0,
587  k -2.6d0, -.9d0, -1.3d0, 0.d0,0.d0,0.d0,0.d0,
588  l .5d0, -.9d0, .3d0, .7d0, -.6d0, .2d0, .8d0,
589  m .7d0, -.9d0, 1.2d0, .7d0, -1.5d0, .2d0, 1.6d0,
590  n 1.7d0, -.9d0, .5d0, .7d0, -1.6d0, .2d0, 2.4d0,
591  o -2.6d0, -.9d0, -1.3d0, .7d0, 2.9d0, .2d0, -4.0d0 /
592 *
593 * .. Executable Statements ..
594 *
595  DO 120 ki = 1, 4
596  incx = incxs(ki)
597  incy = incys(ki)
598  mx = abs(incx)
599  my = abs(incy)
600 *
601  DO 100 kn = 1, 4
602  n = ns(kn)
603  ksize = min(2,kn)
604  lenx = lens(kn,mx)
605  leny = lens(kn,my)
606 * .. Initialize all argument arrays ..
607  DO 20 i = 1, 7
608  sx(i) = dx1(i)
609  sy(i) = dy1(i)
610  20 CONTINUE
611 *
612  IF (icase.EQ.1) THEN
613 * .. DDOT ..
614  CALL stest1(ddot(n,sx,incx,sy,incy),dt7(kn,ki),ssize1(kn)
615  + ,sfac)
616  ELSE IF (icase.EQ.2) THEN
617 * .. DAXPY ..
618  CALL daxpy(n,sa,sx,incx,sy,incy)
619  DO 40 j = 1, leny
620  sty(j) = dt8(j,kn,ki)
621  40 CONTINUE
622  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
623  ELSE IF (icase.EQ.5) THEN
624 * .. DCOPY ..
625  DO 60 i = 1, 7
626  sty(i) = dt10y(i,kn,ki)
627  60 CONTINUE
628  CALL dcopy(n,sx,incx,sy,incy)
629  CALL stest(leny,sy,sty,ssize2(1,1),1.0d0)
630  ELSE IF (icase.EQ.6) THEN
631 * .. DSWAP ..
632  CALL dswap(n,sx,incx,sy,incy)
633  DO 80 i = 1, 7
634  stx(i) = dt10x(i,kn,ki)
635  sty(i) = dt10y(i,kn,ki)
636  80 CONTINUE
637  CALL stest(lenx,sx,stx,ssize2(1,1),1.0d0)
638  CALL stest(leny,sy,sty,ssize2(1,1),1.0d0)
639  ELSE IF (icase.EQ.12) THEN
640 * .. DROTM ..
641  kni=kn+4*(ki-1)
642  DO kpar=1,4
643  DO i=1,7
644  sx(i) = dx1(i)
645  sy(i) = dy1(i)
646  stx(i)= dt19x(i,kpar,kni)
647  sty(i)= dt19y(i,kpar,kni)
648  END DO
649 *
650  DO i=1,5
651  dtemp(i) = dpar(i,kpar)
652  END DO
653 *
654  DO i=1,lenx
655  ssize(i)=stx(i)
656  END DO
657 * SEE REMARK ABOVE ABOUT DT11X(1,2,7)
658 * AND DT11X(5,3,8).
659  IF ((kpar .EQ. 2) .AND. (kni .EQ. 7))
660  $ ssize(1) = 2.4d0
661  IF ((kpar .EQ. 3) .AND. (kni .EQ. 8))
662  $ ssize(5) = 1.8d0
663 *
664  CALL drotm(n,sx,incx,sy,incy,dtemp)
665  CALL stest(lenx,sx,stx,ssize,sfac)
666  CALL stest(leny,sy,sty,sty,sfac)
667  END DO
668  ELSE IF (icase.EQ.13) THEN
669 * .. DSDOT ..
670  CALL testdsdot(REAL(DSDOT(N,REAL(SX),INCX,REAL(SY),INCY)),
671  $ REAL(DT7(KN,KI)),REAL(SSIZE1(KN)), .3125e-1)
672  ELSE
673  WRITE (nout,*) ' Shouldn''t be here in CHECK2'
674  stop
675  END IF
676  100 CONTINUE
677  120 CONTINUE
678  RETURN
679  END
680  SUBROUTINE check3(SFAC)
681 * .. Parameters ..
682  INTEGER nout
683  parameter(nout=6)
684 * .. Scalar Arguments ..
685  DOUBLE PRECISION sfac
686 * .. Scalars in Common ..
687  INTEGER icase, incx, incy, n
688  LOGICAL pass
689 * .. Local Scalars ..
690  DOUBLE PRECISION sc, ss
691  INTEGER i, k, ki, kn, ksize, lenx, leny, mx, my
692 * .. Local Arrays ..
693  DOUBLE PRECISION copyx(5), copyy(5), dt9x(7,4,4), dt9y(7,4,4),
694  + dx1(7), dy1(7), mwpc(11), mwps(11), mwpstx(5),
695  + mwpsty(5), mwptx(11,5), mwpty(11,5), mwpx(5),
696  + mwpy(5), ssize2(14,2), stx(7), sty(7), sx(7),
697  + sy(7)
698  INTEGER incxs(4), incys(4), lens(4,2), mwpinx(11),
699  + mwpiny(11), mwpn(11), ns(4)
700 * .. External Subroutines ..
701  EXTERNAL drot, stest
702 * .. Intrinsic Functions ..
703  INTRINSIC abs, min
704 * .. Common blocks ..
705  COMMON /combla/icase, n, incx, incy, pass
706 * .. Data statements ..
707  DATA incxs/1, 2, -2, -1/
708  DATA incys/1, -2, 1, -2/
709  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
710  DATA ns/0, 1, 2, 4/
711  DATA dx1/0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.9d0, -0.3d0,
712  + -0.4d0/
713  DATA dy1/0.5d0, -0.9d0, 0.3d0, 0.7d0, -0.6d0, 0.2d0,
714  + 0.8d0/
715  DATA sc, ss/0.8d0, 0.6d0/
716  DATA dt9x/0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
717  + 0.0d0, 0.78d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
718  + 0.0d0, 0.0d0, 0.78d0, -0.46d0, 0.0d0, 0.0d0,
719  + 0.0d0, 0.0d0, 0.0d0, 0.78d0, -0.46d0, -0.22d0,
720  + 1.06d0, 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0,
721  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.78d0,
722  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
723  + 0.66d0, 0.1d0, -0.1d0, 0.0d0, 0.0d0, 0.0d0,
724  + 0.0d0, 0.96d0, 0.1d0, -0.76d0, 0.8d0, 0.90d0,
725  + -0.3d0, -0.02d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0,
726  + 0.0d0, 0.0d0, 0.0d0, 0.78d0, 0.0d0, 0.0d0,
727  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.06d0, 0.1d0,
728  + -0.1d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.90d0,
729  + 0.1d0, -0.22d0, 0.8d0, 0.18d0, -0.3d0, -0.02d0,
730  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
731  + 0.78d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
732  + 0.0d0, 0.78d0, 0.26d0, 0.0d0, 0.0d0, 0.0d0,
733  + 0.0d0, 0.0d0, 0.78d0, 0.26d0, -0.76d0, 1.12d0,
734  + 0.0d0, 0.0d0, 0.0d0/
735  DATA dt9y/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
736  + 0.0d0, 0.04d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
737  + 0.0d0, 0.0d0, 0.04d0, -0.78d0, 0.0d0, 0.0d0,
738  + 0.0d0, 0.0d0, 0.0d0, 0.04d0, -0.78d0, 0.54d0,
739  + 0.08d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
740  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.04d0,
741  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.7d0,
742  + -0.9d0, -0.12d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
743  + 0.64d0, -0.9d0, -0.30d0, 0.7d0, -0.18d0, 0.2d0,
744  + 0.28d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
745  + 0.0d0, 0.0d0, 0.04d0, 0.0d0, 0.0d0, 0.0d0,
746  + 0.0d0, 0.0d0, 0.0d0, 0.7d0, -1.08d0, 0.0d0,
747  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.64d0, -1.26d0,
748  + 0.54d0, 0.20d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0,
749  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
750  + 0.04d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
751  + 0.0d0, 0.04d0, -0.9d0, 0.18d0, 0.0d0, 0.0d0,
752  + 0.0d0, 0.0d0, 0.04d0, -0.9d0, 0.18d0, 0.7d0,
753  + -0.18d0, 0.2d0, 0.16d0/
754  DATA ssize2/0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
755  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
756  + 0.0d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
757  + 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
758  + 1.17d0, 1.17d0, 1.17d0/
759 * .. Executable Statements ..
760 *
761  DO 60 ki = 1, 4
762  incx = incxs(ki)
763  incy = incys(ki)
764  mx = abs(incx)
765  my = abs(incy)
766 *
767  DO 40 kn = 1, 4
768  n = ns(kn)
769  ksize = min(2,kn)
770  lenx = lens(kn,mx)
771  leny = lens(kn,my)
772 *
773  IF (icase.EQ.4) THEN
774 * .. DROT ..
775  DO 20 i = 1, 7
776  sx(i) = dx1(i)
777  sy(i) = dy1(i)
778  stx(i) = dt9x(i,kn,ki)
779  sty(i) = dt9y(i,kn,ki)
780  20 CONTINUE
781  CALL drot(n,sx,incx,sy,incy,sc,ss)
782  CALL stest(lenx,sx,stx,ssize2(1,ksize),sfac)
783  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
784  ELSE
785  WRITE (nout,*) ' Shouldn''t be here in CHECK3'
786  stop
787  END IF
788  40 CONTINUE
789  60 CONTINUE
790 *
791  mwpc(1) = 1
792  DO 80 i = 2, 11
793  mwpc(i) = 0
794  80 CONTINUE
795  mwps(1) = 0
796  DO 100 i = 2, 6
797  mwps(i) = 1
798  100 CONTINUE
799  DO 120 i = 7, 11
800  mwps(i) = -1
801  120 CONTINUE
802  mwpinx(1) = 1
803  mwpinx(2) = 1
804  mwpinx(3) = 1
805  mwpinx(4) = -1
806  mwpinx(5) = 1
807  mwpinx(6) = -1
808  mwpinx(7) = 1
809  mwpinx(8) = 1
810  mwpinx(9) = -1
811  mwpinx(10) = 1
812  mwpinx(11) = -1
813  mwpiny(1) = 1
814  mwpiny(2) = 1
815  mwpiny(3) = -1
816  mwpiny(4) = -1
817  mwpiny(5) = 2
818  mwpiny(6) = 1
819  mwpiny(7) = 1
820  mwpiny(8) = -1
821  mwpiny(9) = -1
822  mwpiny(10) = 2
823  mwpiny(11) = 1
824  DO 140 i = 1, 11
825  mwpn(i) = 5
826  140 CONTINUE
827  mwpn(5) = 3
828  mwpn(10) = 3
829  DO 160 i = 1, 5
830  mwpx(i) = i
831  mwpy(i) = i
832  mwptx(1,i) = i
833  mwpty(1,i) = i
834  mwptx(2,i) = i
835  mwpty(2,i) = -i
836  mwptx(3,i) = 6 - i
837  mwpty(3,i) = i - 6
838  mwptx(4,i) = i
839  mwpty(4,i) = -i
840  mwptx(6,i) = 6 - i
841  mwpty(6,i) = i - 6
842  mwptx(7,i) = -i
843  mwpty(7,i) = i
844  mwptx(8,i) = i - 6
845  mwpty(8,i) = 6 - i
846  mwptx(9,i) = -i
847  mwpty(9,i) = i
848  mwptx(11,i) = i - 6
849  mwpty(11,i) = 6 - i
850  160 CONTINUE
851  mwptx(5,1) = 1
852  mwptx(5,2) = 3
853  mwptx(5,3) = 5
854  mwptx(5,4) = 4
855  mwptx(5,5) = 5
856  mwpty(5,1) = -1
857  mwpty(5,2) = 2
858  mwpty(5,3) = -2
859  mwpty(5,4) = 4
860  mwpty(5,5) = -3
861  mwptx(10,1) = -1
862  mwptx(10,2) = -3
863  mwptx(10,3) = -5
864  mwptx(10,4) = 4
865  mwptx(10,5) = 5
866  mwpty(10,1) = 1
867  mwpty(10,2) = 2
868  mwpty(10,3) = 2
869  mwpty(10,4) = 4
870  mwpty(10,5) = 3
871  DO 200 i = 1, 11
872  incx = mwpinx(i)
873  incy = mwpiny(i)
874  DO 180 k = 1, 5
875  copyx(k) = mwpx(k)
876  copyy(k) = mwpy(k)
877  mwpstx(k) = mwptx(i,k)
878  mwpsty(k) = mwpty(i,k)
879  180 CONTINUE
880  CALL drot(mwpn(i),copyx,incx,copyy,incy,mwpc(i),mwps(i))
881  CALL stest(5,copyx,mwpstx,mwpstx,sfac)
882  CALL stest(5,copyy,mwpsty,mwpsty,sfac)
883  200 CONTINUE
884  RETURN
885  END
886  SUBROUTINE stest(LEN,SCOMP,STRUE,SSIZE,SFAC)
887 * ********************************* STEST **************************
888 *
889 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
890 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
891 * NEGLIGIBLE.
892 *
893 * C. L. LAWSON, JPL, 1974 DEC 10
894 *
895 * .. Parameters ..
896  INTEGER nout
897  DOUBLE PRECISION zero
898  parameter(nout=6, zero=0.0d0)
899 * .. Scalar Arguments ..
900  DOUBLE PRECISION sfac
901  INTEGER len
902 * .. Array Arguments ..
903  DOUBLE PRECISION scomp(len), ssize(len), strue(len)
904 * .. Scalars in Common ..
905  INTEGER icase, incx, incy, n
906  LOGICAL pass
907 * .. Local Scalars ..
908  DOUBLE PRECISION sd
909  INTEGER i
910 * .. External Functions ..
911  DOUBLE PRECISION sdiff
912  EXTERNAL sdiff
913 * .. Intrinsic Functions ..
914  INTRINSIC abs
915 * .. Common blocks ..
916  COMMON /combla/icase, n, incx, incy, pass
917 * .. Executable Statements ..
918 *
919  DO 40 i = 1, len
920  sd = scomp(i) - strue(i)
921  IF (abs(sfac*sd) .LE. abs(ssize(i))*epsilon(zero))
922  + go to 40
923 *
924 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
925 *
926  IF ( .NOT. pass) go to 20
927 * PRINT FAIL MESSAGE AND HEADER.
928  pass = .false.
929  WRITE (nout,99999)
930  WRITE (nout,99998)
931  20 WRITE (nout,99997) icase, n, incx, incy, i, scomp(i),
932  + strue(i), sd, ssize(i)
933  40 CONTINUE
934  RETURN
935 *
936 99999 FORMAT (' FAIL')
937 99998 FORMAT (/' CASE N INCX INCY I ',
938  + ' COMP(I) TRUE(I) DIFFERENCE',
939  + ' SIZE(I)',/1x)
940 99997 FORMAT (1x,i4,i3,2i5,i3,2d36.8,2d12.4)
941  END
942  SUBROUTINE testdsdot(SCOMP,STRUE,SSIZE,SFAC)
943 * ********************************* STEST **************************
944 *
945 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
946 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
947 * NEGLIGIBLE.
948 *
949 * C. L. LAWSON, JPL, 1974 DEC 10
950 *
951 * .. Parameters ..
952  INTEGER nout
953  REAL zero
954  parameter(nout=6, zero=0.0e0)
955 * .. Scalar Arguments ..
956  REAL sfac, scomp, ssize, strue
957 * .. Scalars in Common ..
958  INTEGER icase, incx, incy, n
959  LOGICAL pass
960 * .. Local Scalars ..
961  REAL sd
962 * .. Intrinsic Functions ..
963  INTRINSIC abs
964 * .. Common blocks ..
965  COMMON /combla/icase, n, incx, incy, pass
966 * .. Executable Statements ..
967 *
968  sd = scomp - strue
969  IF (abs(sfac*sd) .LE. abs(ssize) * epsilon(zero))
970  + go to 40
971 *
972 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
973 *
974  IF ( .NOT. pass) go to 20
975 * PRINT FAIL MESSAGE AND HEADER.
976  pass = .false.
977  WRITE (nout,99999)
978  WRITE (nout,99998)
979  20 WRITE (nout,99997) icase, n, incx, incy, scomp,
980  + strue, sd, ssize
981  40 CONTINUE
982  RETURN
983 *
984 99999 FORMAT (' FAIL')
985 99998 FORMAT (/' CASE N INCX INCY ',
986  + ' COMP(I) TRUE(I) DIFFERENCE',
987  + ' SIZE(I)',/1x)
988 99997 FORMAT (1x,i4,i3,1i5,i3,2e36.8,2e12.4)
989  END
990  SUBROUTINE stest1(SCOMP1,STRUE1,SSIZE,SFAC)
991 * ************************* STEST1 *****************************
992 *
993 * THIS IS AN INTERFACE SUBROUTINE TO ACCOMODATE THE FORTRAN
994 * REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
995 * ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
996 *
997 * C.L. LAWSON, JPL, 1978 DEC 6
998 *
999 * .. Scalar Arguments ..
1000  DOUBLE PRECISION scomp1, sfac, strue1
1001 * .. Array Arguments ..
1002  DOUBLE PRECISION ssize(*)
1003 * .. Local Arrays ..
1004  DOUBLE PRECISION scomp(1), strue(1)
1005 * .. External Subroutines ..
1006  EXTERNAL stest
1007 * .. Executable Statements ..
1008 *
1009  scomp(1) = scomp1
1010  strue(1) = strue1
1011  CALL stest(1,scomp,strue,ssize,sfac)
1012 *
1013  RETURN
1014  END
1015  DOUBLE PRECISION FUNCTION sdiff(SA,SB)
1016 * ********************************* SDIFF **************************
1017 * COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
1018 *
1019 * .. Scalar Arguments ..
1020  DOUBLE PRECISION sa, sb
1021 * .. Executable Statements ..
1022  sdiff = sa - sb
1023  RETURN
1024  END
1025  SUBROUTINE itest1(ICOMP,ITRUE)
1026 * ********************************* ITEST1 *************************
1027 *
1028 * THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
1029 * EQUALITY.
1030 * C. L. LAWSON, JPL, 1974 DEC 10
1031 *
1032 * .. Parameters ..
1033  INTEGER nout
1034  parameter(nout=6)
1035 * .. Scalar Arguments ..
1036  INTEGER icomp, itrue
1037 * .. Scalars in Common ..
1038  INTEGER icase, incx, incy, n
1039  LOGICAL pass
1040 * .. Local Scalars ..
1041  INTEGER id
1042 * .. Common blocks ..
1043  COMMON /combla/icase, n, incx, incy, pass
1044 * .. Executable Statements ..
1045 *
1046  IF (icomp.EQ.itrue) go to 40
1047 *
1048 * HERE ICOMP IS NOT EQUAL TO ITRUE.
1049 *
1050  IF ( .NOT. pass) go to 20
1051 * PRINT FAIL MESSAGE AND HEADER.
1052  pass = .false.
1053  WRITE (nout,99999)
1054  WRITE (nout,99998)
1055  20 id = icomp - itrue
1056  WRITE (nout,99997) icase, n, incx, incy, icomp, itrue, id
1057  40 CONTINUE
1058  RETURN
1059 *
1060 99999 FORMAT (' FAIL')
1061 99998 FORMAT (/' CASE N INCX INCY ',
1062  + ' COMP TRUE DIFFERENCE',
1063  + /1x)
1064 99997 FORMAT (1x,i4,i3,2i5,2i36,i12)
1065  END