LAPACK  3.9.1
LAPACK: Linear Algebra PACKage
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 *> \ingroup double_blas_testing
34 *
35 * =====================================================================
36  PROGRAM dblat1
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  DOUBLE PRECISION 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/9.765625d-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  END
92  SUBROUTINE header
93 * .. Parameters ..
94  INTEGER NOUT
95  parameter(nout=6)
96 * .. Scalars in Common ..
97  INTEGER ICASE, INCX, INCY, N
98  LOGICAL PASS
99 * .. Local Arrays ..
100  CHARACTER*6 L(13)
101 * .. Common blocks ..
102  COMMON /combla/icase, n, incx, incy, pass
103 * .. Data statements ..
104  DATA l(1)/' DDOT '/
105  DATA l(2)/'DAXPY '/
106  DATA l(3)/'DROTG '/
107  DATA l(4)/' DROT '/
108  DATA l(5)/'DCOPY '/
109  DATA l(6)/'DSWAP '/
110  DATA l(7)/'DNRM2 '/
111  DATA l(8)/'DASUM '/
112  DATA l(9)/'DSCAL '/
113  DATA l(10)/'IDAMAX'/
114  DATA l(11)/'DROTMG'/
115  DATA l(12)/'DROTM '/
116  DATA l(13)/'DSDOT '/
117 * .. Executable Statements ..
118  WRITE (nout,99999) icase, l(icase)
119  RETURN
120 *
121 99999 FORMAT (/' Test of subprogram number',i3,12x,a6)
122  END
123  SUBROUTINE check0(SFAC)
124 * .. Parameters ..
125  INTEGER NOUT
126  parameter(nout=6)
127 * .. Scalar Arguments ..
128  DOUBLE PRECISION SFAC
129 * .. Scalars in Common ..
130  INTEGER ICASE, INCX, INCY, N
131  LOGICAL PASS
132 * .. Local Scalars ..
133  DOUBLE PRECISION SA, SB, SC, SS, D12
134  INTEGER I, K
135 * .. Local Arrays ..
136  DOUBLE PRECISION DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
137  $ DS1(8), DAB(4,9), DTEMP(9), DTRUE(9,9)
138 * .. External Subroutines ..
139  EXTERNAL drotg, drotmg, stest, stest1
140 * .. Common blocks ..
141  COMMON /combla/icase, n, incx, incy, pass
142 * .. Data statements ..
143  DATA da1/0.3d0, 0.4d0, -0.3d0, -0.4d0, -0.3d0, 0.0d0,
144  + 0.0d0, 1.0d0/
145  DATA db1/0.4d0, 0.3d0, 0.4d0, 0.3d0, -0.4d0, 0.0d0,
146  + 1.0d0, 0.0d0/
147  DATA dc1/0.6d0, 0.8d0, -0.6d0, 0.8d0, 0.6d0, 1.0d0,
148  + 0.0d0, 1.0d0/
149  DATA ds1/0.8d0, 0.6d0, 0.8d0, -0.6d0, 0.8d0, 0.0d0,
150  + 1.0d0, 0.0d0/
151  DATA datrue/0.5d0, 0.5d0, 0.5d0, -0.5d0, -0.5d0,
152  + 0.0d0, 1.0d0, 1.0d0/
153  DATA dbtrue/0.0d0, 0.6d0, 0.0d0, -0.6d0, 0.0d0,
154  + 0.0d0, 1.0d0, 0.0d0/
155 * INPUT FOR MODIFIED GIVENS
156  DATA dab/ .1d0,.3d0,1.2d0,.2d0,
157  a .7d0, .2d0, .6d0, 4.2d0,
158  b 0.d0,0.d0,0.d0,0.d0,
159  c 4.d0, -1.d0, 2.d0, 4.d0,
160  d 6.d-10, 2.d-2, 1.d5, 10.d0,
161  e 4.d10, 2.d-2, 1.d-5, 10.d0,
162  f 2.d-10, 4.d-2, 1.d5, 10.d0,
163  g 2.d10, 4.d-2, 1.d-5, 10.d0,
164  h 4.d0, -2.d0, 8.d0, 4.d0 /
165 * TRUE RESULTS FOR MODIFIED GIVENS
166  DATA dtrue/0.d0,0.d0, 1.3d0, .2d0, 0.d0,0.d0,0.d0, .5d0, 0.d0,
167  a 0.d0,0.d0, 4.5d0, 4.2d0, 1.d0, .5d0, 0.d0,0.d0,0.d0,
168  b 0.d0,0.d0,0.d0,0.d0, -2.d0, 0.d0,0.d0,0.d0,0.d0,
169  c 0.d0,0.d0,0.d0, 4.d0, -1.d0, 0.d0,0.d0,0.d0,0.d0,
170  d 0.d0, 15.d-3, 0.d0, 10.d0, -1.d0, 0.d0, -1.d-4,
171  e 0.d0, 1.d0,
172  f 0.d0,0.d0, 6144.d-5, 10.d0, -1.d0, 4096.d0, -1.d6,
173  g 0.d0, 1.d0,
174  h 0.d0,0.d0,15.d0,10.d0,-1.d0, 5.d-5, 0.d0,1.d0,0.d0,
175  i 0.d0,0.d0, 15.d0, 10.d0, -1. d0, 5.d5, -4096.d0,
176  j 1.d0, 4096.d-6,
177  k 0.d0,0.d0, 7.d0, 4.d0, 0.d0,0.d0, -.5d0, -.25d0, 0.d0/
178 * 4096 = 2 ** 12
179  DATA d12 /4096.d0/
180  dtrue(1,1) = 12.d0 / 130.d0
181  dtrue(2,1) = 36.d0 / 130.d0
182  dtrue(7,1) = -1.d0 / 6.d0
183  dtrue(1,2) = 14.d0 / 75.d0
184  dtrue(2,2) = 49.d0 / 75.d0
185  dtrue(9,2) = 1.d0 / 7.d0
186  dtrue(1,5) = 45.d-11 * (d12 * d12)
187  dtrue(3,5) = 4.d5 / (3.d0 * d12)
188  dtrue(6,5) = 1.d0 / d12
189  dtrue(8,5) = 1.d4 / (3.d0 * d12)
190  dtrue(1,6) = 4.d10 / (1.5d0 * d12 * d12)
191  dtrue(2,6) = 2.d-2 / 1.5d0
192  dtrue(8,6) = 5.d-7 * d12
193  dtrue(1,7) = 4.d0 / 150.d0
194  dtrue(2,7) = (2.d-10 / 1.5d0) * (d12 * d12)
195  dtrue(7,7) = -dtrue(6,5)
196  dtrue(9,7) = 1.d4 / d12
197  dtrue(1,8) = dtrue(1,7)
198  dtrue(2,8) = 2.d10 / (1.5d0 * d12 * d12)
199  dtrue(1,9) = 32.d0 / 7.d0
200  dtrue(2,9) = -16.d0 / 7.d0
201 * .. Executable Statements ..
202 *
203 * Compute true values which cannot be prestored
204 * in decimal notation
205 *
206  dbtrue(1) = 1.0d0/0.6d0
207  dbtrue(3) = -1.0d0/0.6d0
208  dbtrue(5) = 1.0d0/0.6d0
209 *
210  DO 20 k = 1, 8
211 * .. Set N=K for identification in output if any ..
212  n = k
213  IF (icase.EQ.3) THEN
214 * .. DROTG ..
215  IF (k.GT.8) GO TO 40
216  sa = da1(k)
217  sb = db1(k)
218  CALL drotg(sa,sb,sc,ss)
219  CALL stest1(sa,datrue(k),datrue(k),sfac)
220  CALL stest1(sb,dbtrue(k),dbtrue(k),sfac)
221  CALL stest1(sc,dc1(k),dc1(k),sfac)
222  CALL stest1(ss,ds1(k),ds1(k),sfac)
223  ELSEIF (icase.EQ.11) THEN
224 * .. DROTMG ..
225  DO i=1,4
226  dtemp(i)= dab(i,k)
227  dtemp(i+4) = 0.0
228  END DO
229  dtemp(9) = 0.0
230  CALL drotmg(dtemp(1),dtemp(2),dtemp(3),dtemp(4),dtemp(5))
231  CALL stest(9,dtemp,dtrue(1,k),dtrue(1,k),sfac)
232  ELSE
233  WRITE (nout,*) ' Shouldn''t be here in CHECK0'
234  stop
235  END IF
236  20 CONTINUE
237  40 RETURN
238  END
239  SUBROUTINE check1(SFAC)
240 * .. Parameters ..
241  INTEGER NOUT
242  parameter(nout=6)
243 * .. Scalar Arguments ..
244  DOUBLE PRECISION SFAC
245 * .. Scalars in Common ..
246  INTEGER ICASE, INCX, INCY, N
247  LOGICAL PASS
248 * .. Local Scalars ..
249  INTEGER I, IX, LEN, NP1
250 * .. Local Arrays ..
251  DOUBLE PRECISION DTRUE1(5), DTRUE3(5), DTRUE5(8,5,2), DV(8,5,2),
252  + DVR(8), SA(10), STEMP(1), STRUE(8), SX(8),
253  + SXR(15)
254  INTEGER ITRUE2(5), ITRUEC(5)
255 * .. External Functions ..
256  DOUBLE PRECISION DASUM, DNRM2
257  INTEGER IDAMAX
258  EXTERNAL dasum, dnrm2, idamax
259 * .. External Subroutines ..
260  EXTERNAL itest1, dscal, stest, stest1
261 * .. Intrinsic Functions ..
262  INTRINSIC max
263 * .. Common blocks ..
264  COMMON /combla/icase, n, incx, incy, pass
265 * .. Data statements ..
266  DATA sa/0.3d0, -1.0d0, 0.0d0, 1.0d0, 0.3d0, 0.3d0,
267  + 0.3d0, 0.3d0, 0.3d0, 0.3d0/
268  DATA dv/0.1d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0,
269  + 2.0d0, 2.0d0, 0.3d0, 3.0d0, 3.0d0, 3.0d0, 3.0d0,
270  + 3.0d0, 3.0d0, 3.0d0, 0.3d0, -0.4d0, 4.0d0,
271  + 4.0d0, 4.0d0, 4.0d0, 4.0d0, 4.0d0, 0.2d0,
272  + -0.6d0, 0.3d0, 5.0d0, 5.0d0, 5.0d0, 5.0d0,
273  + 5.0d0, 0.1d0, -0.3d0, 0.5d0, -0.1d0, 6.0d0,
274  + 6.0d0, 6.0d0, 6.0d0, 0.1d0, 8.0d0, 8.0d0, 8.0d0,
275  + 8.0d0, 8.0d0, 8.0d0, 8.0d0, 0.3d0, 9.0d0, 9.0d0,
276  + 9.0d0, 9.0d0, 9.0d0, 9.0d0, 9.0d0, 0.3d0, 2.0d0,
277  + -0.4d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0, 2.0d0,
278  + 0.2d0, 3.0d0, -0.6d0, 5.0d0, 0.3d0, 2.0d0,
279  + 2.0d0, 2.0d0, 0.1d0, 4.0d0, -0.3d0, 6.0d0,
280  + -0.5d0, 7.0d0, -0.1d0, 3.0d0/
281  DATA dvr/8.0d0, -7.0d0, 9.0d0, 5.0d0, 9.0d0, 8.0d0,
282  + 7.0d0, 7.0d0/
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  DATA itruec/0, 1, 1, 1, 1/
301 * .. Executable Statements ..
302  DO 80 incx = 1, 2
303  DO 60 np1 = 1, 5
304  n = np1 - 1
305  len = 2*max(n,1)
306 * .. Set vector arguments ..
307  DO 20 i = 1, len
308  sx(i) = dv(i,np1,incx)
309  20 CONTINUE
310 *
311  IF (icase.EQ.7) THEN
312 * .. DNRM2 ..
313  stemp(1) = dtrue1(np1)
314  CALL stest1(dnrm2(n,sx,incx),stemp(1),stemp,sfac)
315  ELSE IF (icase.EQ.8) THEN
316 * .. DASUM ..
317  stemp(1) = dtrue3(np1)
318  CALL stest1(dasum(n,sx,incx),stemp(1),stemp,sfac)
319  ELSE IF (icase.EQ.9) THEN
320 * .. DSCAL ..
321  CALL dscal(n,sa((incx-1)*5+np1),sx,incx)
322  DO 40 i = 1, len
323  strue(i) = dtrue5(i,np1,incx)
324  40 CONTINUE
325  CALL stest(len,sx,strue,strue,sfac)
326  ELSE IF (icase.EQ.10) THEN
327 * .. IDAMAX ..
328  CALL itest1(idamax(n,sx,incx),itrue2(np1))
329  DO 100 i = 1, len
330  sx(i) = 42.0d0
331  100 CONTINUE
332  CALL itest1(idamax(n,sx,incx),itruec(np1))
333  ELSE
334  WRITE (nout,*) ' Shouldn''t be here in CHECK1'
335  stop
336  END IF
337  60 CONTINUE
338  IF (icase.EQ.10) THEN
339  n = 8
340  ix = 1
341  DO 120 i = 1, n
342  sxr(ix) = dvr(i)
343  ix = ix + incx
344  120 CONTINUE
345  CALL itest1(idamax(n,sxr,incx),3)
346  END IF
347  80 CONTINUE
348  RETURN
349  END
350  SUBROUTINE check2(SFAC)
351 * .. Parameters ..
352  INTEGER NOUT
353  parameter(nout=6)
354 * .. Scalar Arguments ..
355  DOUBLE PRECISION SFAC
356 * .. Scalars in Common ..
357  INTEGER ICASE, INCX, INCY, N
358  LOGICAL PASS
359 * .. Local Scalars ..
360  DOUBLE PRECISION SA
361  INTEGER I, J, KI, KN, KNI, KPAR, KSIZE, LENX, LENY,
362  $ LINCX, LINCY, MX, MY
363 * .. Local Arrays ..
364  DOUBLE PRECISION DT10X(7,4,4), DT10Y(7,4,4), DT7(4,4),
365  $ DT8(7,4,4), DX1(7),
366  $ DY1(7), SSIZE1(4), SSIZE2(14,2), SSIZE(7),
367  $ STX(7), STY(7), SX(7), SY(7),
368  $ DPAR(5,4), DT19X(7,4,16),DT19XA(7,4,4),
369  $ DT19XB(7,4,4), DT19XC(7,4,4),DT19XD(7,4,4),
370  $ DT19Y(7,4,16), DT19YA(7,4,4),DT19YB(7,4,4),
371  $ DT19YC(7,4,4), DT19YD(7,4,4), DTEMP(5),
372  $ STY0(1), SX0(1), SY0(1)
373  INTEGER INCXS(4), INCYS(4), LENS(4,2), NS(4)
374 * .. External Functions ..
375  DOUBLE PRECISION DDOT, DSDOT
376  EXTERNAL ddot, dsdot
377 * .. External Subroutines ..
378  EXTERNAL daxpy, dcopy, drotm, dswap, stest, stest1,
379  $ testdsdot
380 * .. Intrinsic Functions ..
381  INTRINSIC abs, min
382 * .. Common blocks ..
383  COMMON /combla/icase, n, incx, incy, pass
384 * .. Data statements ..
385  equivalence(dt19x(1,1,1),dt19xa(1,1,1)),(dt19x(1,1,5),
386  a dt19xb(1,1,1)),(dt19x(1,1,9),dt19xc(1,1,1)),
387  b (dt19x(1,1,13),dt19xd(1,1,1))
388  equivalence(dt19y(1,1,1),dt19ya(1,1,1)),(dt19y(1,1,5),
389  a dt19yb(1,1,1)),(dt19y(1,1,9),dt19yc(1,1,1)),
390  b (dt19y(1,1,13),dt19yd(1,1,1))
391 
392  DATA sa/0.3d0/
393  DATA incxs/1, 2, -2, -1/
394  DATA incys/1, -2, 1, -2/
395  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
396  DATA ns/0, 1, 2, 4/
397  DATA dx1/0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.9d0, -0.3d0,
398  + -0.4d0/
399  DATA dy1/0.5d0, -0.9d0, 0.3d0, 0.7d0, -0.6d0, 0.2d0,
400  + 0.8d0/
401  DATA dt7/0.0d0, 0.30d0, 0.21d0, 0.62d0, 0.0d0,
402  + 0.30d0, -0.07d0, 0.85d0, 0.0d0, 0.30d0, -0.79d0,
403  + -0.74d0, 0.0d0, 0.30d0, 0.33d0, 1.27d0/
404  DATA dt8/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
405  + 0.0d0, 0.68d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
406  + 0.0d0, 0.0d0, 0.68d0, -0.87d0, 0.0d0, 0.0d0,
407  + 0.0d0, 0.0d0, 0.0d0, 0.68d0, -0.87d0, 0.15d0,
408  + 0.94d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
409  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.68d0,
410  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
411  + 0.35d0, -0.9d0, 0.48d0, 0.0d0, 0.0d0, 0.0d0,
412  + 0.0d0, 0.38d0, -0.9d0, 0.57d0, 0.7d0, -0.75d0,
413  + 0.2d0, 0.98d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0,
414  + 0.0d0, 0.0d0, 0.0d0, 0.68d0, 0.0d0, 0.0d0,
415  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.35d0, -0.72d0,
416  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.38d0,
417  + -0.63d0, 0.15d0, 0.88d0, 0.0d0, 0.0d0, 0.0d0,
418  + 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
419  + 0.68d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
420  + 0.0d0, 0.68d0, -0.9d0, 0.33d0, 0.0d0, 0.0d0,
421  + 0.0d0, 0.0d0, 0.68d0, -0.9d0, 0.33d0, 0.7d0,
422  + -0.75d0, 0.2d0, 1.04d0/
423  DATA dt10x/0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
424  + 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
425  + 0.0d0, 0.5d0, -0.9d0, 0.0d0, 0.0d0, 0.0d0,
426  + 0.0d0, 0.0d0, 0.5d0, -0.9d0, 0.3d0, 0.7d0,
427  + 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0,
428  + 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0,
429  + 0.0d0, 0.0d0, 0.0d0, 0.3d0, 0.1d0, 0.5d0, 0.0d0,
430  + 0.0d0, 0.0d0, 0.0d0, 0.8d0, 0.1d0, -0.6d0,
431  + 0.8d0, 0.3d0, -0.3d0, 0.5d0, 0.6d0, 0.0d0,
432  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
433  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.9d0,
434  + 0.1d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.7d0,
435  + 0.1d0, 0.3d0, 0.8d0, -0.9d0, -0.3d0, 0.5d0,
436  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
437  + 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
438  + 0.5d0, 0.3d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
439  + 0.5d0, 0.3d0, -0.6d0, 0.8d0, 0.0d0, 0.0d0,
440  + 0.0d0/
441  DATA dt10y/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
442  + 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
443  + 0.0d0, 0.6d0, 0.1d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
444  + 0.0d0, 0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.0d0,
445  + 0.0d0, 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
446  + 0.0d0, 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
447  + 0.0d0, 0.0d0, -0.5d0, -0.9d0, 0.6d0, 0.0d0,
448  + 0.0d0, 0.0d0, 0.0d0, -0.4d0, -0.9d0, 0.9d0,
449  + 0.7d0, -0.5d0, 0.2d0, 0.6d0, 0.5d0, 0.0d0,
450  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0,
451  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.5d0,
452  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
453  + -0.4d0, 0.9d0, -0.5d0, 0.6d0, 0.0d0, 0.0d0,
454  + 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
455  + 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
456  + 0.0d0, 0.6d0, -0.9d0, 0.1d0, 0.0d0, 0.0d0,
457  + 0.0d0, 0.0d0, 0.6d0, -0.9d0, 0.1d0, 0.7d0,
458  + -0.5d0, 0.2d0, 0.8d0/
459  DATA ssize1/0.0d0, 0.3d0, 1.6d0, 3.2d0/
460  DATA ssize2/0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
461  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
462  + 0.0d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
463  + 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
464  + 1.17d0, 1.17d0, 1.17d0/
465 *
466 * FOR DROTM
467 *
468  DATA dpar/-2.d0, 0.d0,0.d0,0.d0,0.d0,
469  a -1.d0, 2.d0, -3.d0, -4.d0, 5.d0,
470  b 0.d0, 0.d0, 2.d0, -3.d0, 0.d0,
471  c 1.d0, 5.d0, 2.d0, 0.d0, -4.d0/
472 * TRUE X RESULTS F0R ROTATIONS DROTM
473  DATA dt19xa/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
474  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
475  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
476  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
477  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
478  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
479  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
480  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
481  h .6d0, .1d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
482  i -.8d0, 3.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
483  j -.9d0, 2.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
484  k 3.5d0, -.4d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
485  l .6d0, .1d0, -.5d0, .8d0, 0.d0,0.d0,0.d0,
486  m -.8d0, 3.8d0, -2.2d0, -1.2d0, 0.d0,0.d0,0.d0,
487  n -.9d0, 2.8d0, -1.4d0, -1.3d0, 0.d0,0.d0,0.d0,
488  o 3.5d0, -.4d0, -2.2d0, 4.7d0, 0.d0,0.d0,0.d0/
489 *
490  DATA dt19xb/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
491  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
492  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
493  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
494  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
495  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
496  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
497  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
498  h .6d0, .1d0, -.5d0, 0.d0,0.d0,0.d0,0.d0,
499  i 0.d0, .1d0, -3.0d0, 0.d0,0.d0,0.d0,0.d0,
500  j -.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
501  k 3.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
502  l .6d0, .1d0, -.5d0, .8d0, .9d0, -.3d0, -.4d0,
503  m -2.0d0, .1d0, 1.4d0, .8d0, .6d0, -.3d0, -2.8d0,
504  n -1.8d0, .1d0, 1.3d0, .8d0, 0.d0, -.3d0, -1.9d0,
505  o 3.8d0, .1d0, -3.1d0, .8d0, 4.8d0, -.3d0, -1.5d0 /
506 *
507  DATA dt19xc/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
508  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
509  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
510  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
511  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
512  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
513  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
514  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
515  h .6d0, .1d0, -.5d0, 0.d0,0.d0,0.d0,0.d0,
516  i 4.8d0, .1d0, -3.0d0, 0.d0,0.d0,0.d0,0.d0,
517  j 3.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
518  k 2.1d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
519  l .6d0, .1d0, -.5d0, .8d0, .9d0, -.3d0, -.4d0,
520  m -1.6d0, .1d0, -2.2d0, .8d0, 5.4d0, -.3d0, -2.8d0,
521  n -1.5d0, .1d0, -1.4d0, .8d0, 3.6d0, -.3d0, -1.9d0,
522  o 3.7d0, .1d0, -2.2d0, .8d0, 3.6d0, -.3d0, -1.5d0 /
523 *
524  DATA dt19xd/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
525  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
526  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
527  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
528  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
529  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
530  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
531  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
532  h .6d0, .1d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
533  i -.8d0, -1.0d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
534  j -.9d0, -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
535  k 3.5d0, .8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
536  l .6d0, .1d0, -.5d0, .8d0, 0.d0,0.d0,0.d0,
537  m -.8d0, -1.0d0, 1.4d0, -1.6d0, 0.d0,0.d0,0.d0,
538  n -.9d0, -.8d0, 1.3d0, -1.6d0, 0.d0,0.d0,0.d0,
539  o 3.5d0, .8d0, -3.1d0, 4.8d0, 0.d0,0.d0,0.d0/
540 * TRUE Y RESULTS FOR ROTATIONS DROTM
541  DATA dt19ya/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
542  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
543  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
544  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
545  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
546  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
547  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
548  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
549  h .5d0, -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
550  i .7d0, -4.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
551  j 1.7d0, -.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
552  k -2.6d0, 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
553  l .5d0, -.9d0, .3d0, .7d0, 0.d0,0.d0,0.d0,
554  m .7d0, -4.8d0, 3.0d0, 1.1d0, 0.d0,0.d0,0.d0,
555  n 1.7d0, -.7d0, -.7d0, 2.3d0, 0.d0,0.d0,0.d0,
556  o -2.6d0, 3.5d0, -.7d0, -3.6d0, 0.d0,0.d0,0.d0/
557 *
558  DATA dt19yb/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
559  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
560  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
561  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
562  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
563  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
564  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
565  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
566  h .5d0, -.9d0, .3d0, 0.d0,0.d0,0.d0,0.d0,
567  i 4.0d0, -.9d0, -.3d0, 0.d0,0.d0,0.d0,0.d0,
568  j -.5d0, -.9d0, 1.5d0, 0.d0,0.d0,0.d0,0.d0,
569  k -1.5d0, -.9d0, -1.8d0, 0.d0,0.d0,0.d0,0.d0,
570  l .5d0, -.9d0, .3d0, .7d0, -.6d0, .2d0, .8d0,
571  m 3.7d0, -.9d0, -1.2d0, .7d0, -1.5d0, .2d0, 2.2d0,
572  n -.3d0, -.9d0, 2.1d0, .7d0, -1.6d0, .2d0, 2.0d0,
573  o -1.6d0, -.9d0, -2.1d0, .7d0, 2.9d0, .2d0, -3.8d0 /
574 *
575  DATA dt19yc/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
576  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
577  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
578  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
579  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
580  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
581  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
582  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
583  h .5d0, -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
584  i 4.0d0, -6.3d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
585  j -.5d0, .3d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
586  k -1.5d0, 3.0d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
587  l .5d0, -.9d0, .3d0, .7d0, 0.d0,0.d0,0.d0,
588  m 3.7d0, -7.2d0, 3.0d0, 1.7d0, 0.d0,0.d0,0.d0,
589  n -.3d0, .9d0, -.7d0, 1.9d0, 0.d0,0.d0,0.d0,
590  o -1.6d0, 2.7d0, -.7d0, -3.4d0, 0.d0,0.d0,0.d0/
591 *
592  DATA dt19yd/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
593  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
594  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
595  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
596  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
597  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
598  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
599  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
600  h .5d0, -.9d0, .3d0, 0.d0,0.d0,0.d0,0.d0,
601  i .7d0, -.9d0, 1.2d0, 0.d0,0.d0,0.d0,0.d0,
602  j 1.7d0, -.9d0, .5d0, 0.d0,0.d0,0.d0,0.d0,
603  k -2.6d0, -.9d0, -1.3d0, 0.d0,0.d0,0.d0,0.d0,
604  l .5d0, -.9d0, .3d0, .7d0, -.6d0, .2d0, .8d0,
605  m .7d0, -.9d0, 1.2d0, .7d0, -1.5d0, .2d0, 1.6d0,
606  n 1.7d0, -.9d0, .5d0, .7d0, -1.6d0, .2d0, 2.4d0,
607  o -2.6d0, -.9d0, -1.3d0, .7d0, 2.9d0, .2d0, -4.0d0 /
608 *
609 * .. Executable Statements ..
610 *
611  DO 120 ki = 1, 4
612  incx = incxs(ki)
613  incy = incys(ki)
614  mx = abs(incx)
615  my = abs(incy)
616 *
617  DO 100 kn = 1, 4
618  n = ns(kn)
619  ksize = min(2,kn)
620  lenx = lens(kn,mx)
621  leny = lens(kn,my)
622 * .. Initialize all argument arrays ..
623  DO 20 i = 1, 7
624  sx(i) = dx1(i)
625  sy(i) = dy1(i)
626  20 CONTINUE
627 *
628  IF (icase.EQ.1) THEN
629 * .. DDOT ..
630  CALL stest1(ddot(n,sx,incx,sy,incy),dt7(kn,ki),ssize1(kn)
631  + ,sfac)
632  ELSE IF (icase.EQ.2) THEN
633 * .. DAXPY ..
634  CALL daxpy(n,sa,sx,incx,sy,incy)
635  DO 40 j = 1, leny
636  sty(j) = dt8(j,kn,ki)
637  40 CONTINUE
638  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
639  ELSE IF (icase.EQ.5) THEN
640 * .. DCOPY ..
641  DO 60 i = 1, 7
642  sty(i) = dt10y(i,kn,ki)
643  60 CONTINUE
644  CALL dcopy(n,sx,incx,sy,incy)
645  CALL stest(leny,sy,sty,ssize2(1,1),1.0d0)
646  IF (ki.EQ.1) THEN
647  sx0(1) = 42.0d0
648  sy0(1) = 43.0d0
649  IF (n.EQ.0) THEN
650  sty0(1) = sy0(1)
651  ELSE
652  sty0(1) = sx0(1)
653  END IF
654  lincx = incx
655  incx = 0
656  lincy = incy
657  incy = 0
658  CALL dcopy(n,sx0,incx,sy0,incy)
659  CALL stest(1,sy0,sty0,ssize2(1,1),1.0d0)
660  incx = lincx
661  incy = lincy
662  END IF
663  ELSE IF (icase.EQ.6) THEN
664 * .. DSWAP ..
665  CALL dswap(n,sx,incx,sy,incy)
666  DO 80 i = 1, 7
667  stx(i) = dt10x(i,kn,ki)
668  sty(i) = dt10y(i,kn,ki)
669  80 CONTINUE
670  CALL stest(lenx,sx,stx,ssize2(1,1),1.0d0)
671  CALL stest(leny,sy,sty,ssize2(1,1),1.0d0)
672  ELSE IF (icase.EQ.12) THEN
673 * .. DROTM ..
674  kni=kn+4*(ki-1)
675  DO kpar=1,4
676  DO i=1,7
677  sx(i) = dx1(i)
678  sy(i) = dy1(i)
679  stx(i)= dt19x(i,kpar,kni)
680  sty(i)= dt19y(i,kpar,kni)
681  END DO
682 *
683  DO i=1,5
684  dtemp(i) = dpar(i,kpar)
685  END DO
686 *
687  DO i=1,lenx
688  ssize(i)=stx(i)
689  END DO
690 * SEE REMARK ABOVE ABOUT DT11X(1,2,7)
691 * AND DT11X(5,3,8).
692  IF ((kpar .EQ. 2) .AND. (kni .EQ. 7))
693  $ ssize(1) = 2.4d0
694  IF ((kpar .EQ. 3) .AND. (kni .EQ. 8))
695  $ ssize(5) = 1.8d0
696 *
697  CALL drotm(n,sx,incx,sy,incy,dtemp)
698  CALL stest(lenx,sx,stx,ssize,sfac)
699  CALL stest(leny,sy,sty,sty,sfac)
700  END DO
701  ELSE IF (icase.EQ.13) THEN
702 * .. DSDOT ..
703  CALL testdsdot(real(dsdot(n,real(sx),incx,real(sy),incy)),
704  $ real(dt7(kn,ki)),real(ssize1(kn)), .3125e-1)
705  ELSE
706  WRITE (nout,*) ' Shouldn''t be here in CHECK2'
707  stop
708  END IF
709  100 CONTINUE
710  120 CONTINUE
711  RETURN
712  END
713  SUBROUTINE check3(SFAC)
714 * .. Parameters ..
715  INTEGER NOUT
716  parameter(nout=6)
717 * .. Scalar Arguments ..
718  DOUBLE PRECISION SFAC
719 * .. Scalars in Common ..
720  INTEGER ICASE, INCX, INCY, N
721  LOGICAL PASS
722 * .. Local Scalars ..
723  DOUBLE PRECISION SC, SS
724  INTEGER I, K, KI, KN, KSIZE, LENX, LENY, MX, MY
725 * .. Local Arrays ..
726  DOUBLE PRECISION COPYX(5), COPYY(5), DT9X(7,4,4), DT9Y(7,4,4),
727  + DX1(7), DY1(7), MWPC(11), MWPS(11), MWPSTX(5),
728  + MWPSTY(5), MWPTX(11,5), MWPTY(11,5), MWPX(5),
729  + MWPY(5), SSIZE2(14,2), STX(7), STY(7), SX(7),
730  + SY(7)
731  INTEGER INCXS(4), INCYS(4), LENS(4,2), MWPINX(11),
732  + MWPINY(11), MWPN(11), NS(4)
733 * .. External Subroutines ..
734  EXTERNAL drot, stest
735 * .. Intrinsic Functions ..
736  INTRINSIC abs, min
737 * .. Common blocks ..
738  COMMON /combla/icase, n, incx, incy, pass
739 * .. Data statements ..
740  DATA incxs/1, 2, -2, -1/
741  DATA incys/1, -2, 1, -2/
742  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
743  DATA ns/0, 1, 2, 4/
744  DATA dx1/0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.9d0, -0.3d0,
745  + -0.4d0/
746  DATA dy1/0.5d0, -0.9d0, 0.3d0, 0.7d0, -0.6d0, 0.2d0,
747  + 0.8d0/
748  DATA sc, ss/0.8d0, 0.6d0/
749  DATA dt9x/0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
750  + 0.0d0, 0.78d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
751  + 0.0d0, 0.0d0, 0.78d0, -0.46d0, 0.0d0, 0.0d0,
752  + 0.0d0, 0.0d0, 0.0d0, 0.78d0, -0.46d0, -0.22d0,
753  + 1.06d0, 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0,
754  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.78d0,
755  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
756  + 0.66d0, 0.1d0, -0.1d0, 0.0d0, 0.0d0, 0.0d0,
757  + 0.0d0, 0.96d0, 0.1d0, -0.76d0, 0.8d0, 0.90d0,
758  + -0.3d0, -0.02d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0,
759  + 0.0d0, 0.0d0, 0.0d0, 0.78d0, 0.0d0, 0.0d0,
760  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.06d0, 0.1d0,
761  + -0.1d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.90d0,
762  + 0.1d0, -0.22d0, 0.8d0, 0.18d0, -0.3d0, -0.02d0,
763  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
764  + 0.78d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
765  + 0.0d0, 0.78d0, 0.26d0, 0.0d0, 0.0d0, 0.0d0,
766  + 0.0d0, 0.0d0, 0.78d0, 0.26d0, -0.76d0, 1.12d0,
767  + 0.0d0, 0.0d0, 0.0d0/
768  DATA dt9y/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
769  + 0.0d0, 0.04d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
770  + 0.0d0, 0.0d0, 0.04d0, -0.78d0, 0.0d0, 0.0d0,
771  + 0.0d0, 0.0d0, 0.0d0, 0.04d0, -0.78d0, 0.54d0,
772  + 0.08d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
773  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.04d0,
774  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.7d0,
775  + -0.9d0, -0.12d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
776  + 0.64d0, -0.9d0, -0.30d0, 0.7d0, -0.18d0, 0.2d0,
777  + 0.28d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
778  + 0.0d0, 0.0d0, 0.04d0, 0.0d0, 0.0d0, 0.0d0,
779  + 0.0d0, 0.0d0, 0.0d0, 0.7d0, -1.08d0, 0.0d0,
780  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.64d0, -1.26d0,
781  + 0.54d0, 0.20d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0,
782  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
783  + 0.04d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
784  + 0.0d0, 0.04d0, -0.9d0, 0.18d0, 0.0d0, 0.0d0,
785  + 0.0d0, 0.0d0, 0.04d0, -0.9d0, 0.18d0, 0.7d0,
786  + -0.18d0, 0.2d0, 0.16d0/
787  DATA ssize2/0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
788  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
789  + 0.0d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
790  + 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
791  + 1.17d0, 1.17d0, 1.17d0/
792 * .. Executable Statements ..
793 *
794  DO 60 ki = 1, 4
795  incx = incxs(ki)
796  incy = incys(ki)
797  mx = abs(incx)
798  my = abs(incy)
799 *
800  DO 40 kn = 1, 4
801  n = ns(kn)
802  ksize = min(2,kn)
803  lenx = lens(kn,mx)
804  leny = lens(kn,my)
805 *
806  IF (icase.EQ.4) THEN
807 * .. DROT ..
808  DO 20 i = 1, 7
809  sx(i) = dx1(i)
810  sy(i) = dy1(i)
811  stx(i) = dt9x(i,kn,ki)
812  sty(i) = dt9y(i,kn,ki)
813  20 CONTINUE
814  CALL drot(n,sx,incx,sy,incy,sc,ss)
815  CALL stest(lenx,sx,stx,ssize2(1,ksize),sfac)
816  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
817  ELSE
818  WRITE (nout,*) ' Shouldn''t be here in CHECK3'
819  stop
820  END IF
821  40 CONTINUE
822  60 CONTINUE
823 *
824  mwpc(1) = 1
825  DO 80 i = 2, 11
826  mwpc(i) = 0
827  80 CONTINUE
828  mwps(1) = 0
829  DO 100 i = 2, 6
830  mwps(i) = 1
831  100 CONTINUE
832  DO 120 i = 7, 11
833  mwps(i) = -1
834  120 CONTINUE
835  mwpinx(1) = 1
836  mwpinx(2) = 1
837  mwpinx(3) = 1
838  mwpinx(4) = -1
839  mwpinx(5) = 1
840  mwpinx(6) = -1
841  mwpinx(7) = 1
842  mwpinx(8) = 1
843  mwpinx(9) = -1
844  mwpinx(10) = 1
845  mwpinx(11) = -1
846  mwpiny(1) = 1
847  mwpiny(2) = 1
848  mwpiny(3) = -1
849  mwpiny(4) = -1
850  mwpiny(5) = 2
851  mwpiny(6) = 1
852  mwpiny(7) = 1
853  mwpiny(8) = -1
854  mwpiny(9) = -1
855  mwpiny(10) = 2
856  mwpiny(11) = 1
857  DO 140 i = 1, 11
858  mwpn(i) = 5
859  140 CONTINUE
860  mwpn(5) = 3
861  mwpn(10) = 3
862  DO 160 i = 1, 5
863  mwpx(i) = i
864  mwpy(i) = i
865  mwptx(1,i) = i
866  mwpty(1,i) = i
867  mwptx(2,i) = i
868  mwpty(2,i) = -i
869  mwptx(3,i) = 6 - i
870  mwpty(3,i) = i - 6
871  mwptx(4,i) = i
872  mwpty(4,i) = -i
873  mwptx(6,i) = 6 - i
874  mwpty(6,i) = i - 6
875  mwptx(7,i) = -i
876  mwpty(7,i) = i
877  mwptx(8,i) = i - 6
878  mwpty(8,i) = 6 - i
879  mwptx(9,i) = -i
880  mwpty(9,i) = i
881  mwptx(11,i) = i - 6
882  mwpty(11,i) = 6 - i
883  160 CONTINUE
884  mwptx(5,1) = 1
885  mwptx(5,2) = 3
886  mwptx(5,3) = 5
887  mwptx(5,4) = 4
888  mwptx(5,5) = 5
889  mwpty(5,1) = -1
890  mwpty(5,2) = 2
891  mwpty(5,3) = -2
892  mwpty(5,4) = 4
893  mwpty(5,5) = -3
894  mwptx(10,1) = -1
895  mwptx(10,2) = -3
896  mwptx(10,3) = -5
897  mwptx(10,4) = 4
898  mwptx(10,5) = 5
899  mwpty(10,1) = 1
900  mwpty(10,2) = 2
901  mwpty(10,3) = 2
902  mwpty(10,4) = 4
903  mwpty(10,5) = 3
904  DO 200 i = 1, 11
905  incx = mwpinx(i)
906  incy = mwpiny(i)
907  DO 180 k = 1, 5
908  copyx(k) = mwpx(k)
909  copyy(k) = mwpy(k)
910  mwpstx(k) = mwptx(i,k)
911  mwpsty(k) = mwpty(i,k)
912  180 CONTINUE
913  CALL drot(mwpn(i),copyx,incx,copyy,incy,mwpc(i),mwps(i))
914  CALL stest(5,copyx,mwpstx,mwpstx,sfac)
915  CALL stest(5,copyy,mwpsty,mwpsty,sfac)
916  200 CONTINUE
917  RETURN
918  END
919  SUBROUTINE stest(LEN,SCOMP,STRUE,SSIZE,SFAC)
920 * ********************************* STEST **************************
921 *
922 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
923 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
924 * NEGLIGIBLE.
925 *
926 * C. L. LAWSON, JPL, 1974 DEC 10
927 *
928 * .. Parameters ..
929  INTEGER NOUT
930  DOUBLE PRECISION ZERO
931  parameter(nout=6, zero=0.0d0)
932 * .. Scalar Arguments ..
933  DOUBLE PRECISION SFAC
934  INTEGER LEN
935 * .. Array Arguments ..
936  DOUBLE PRECISION SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
937 * .. Scalars in Common ..
938  INTEGER ICASE, INCX, INCY, N
939  LOGICAL PASS
940 * .. Local Scalars ..
941  DOUBLE PRECISION SD
942  INTEGER I
943 * .. External Functions ..
944  DOUBLE PRECISION SDIFF
945  EXTERNAL sdiff
946 * .. Intrinsic Functions ..
947  INTRINSIC abs
948 * .. Common blocks ..
949  COMMON /combla/icase, n, incx, incy, pass
950 * .. Executable Statements ..
951 *
952  DO 40 i = 1, len
953  sd = scomp(i) - strue(i)
954  IF (abs(sfac*sd) .LE. abs(ssize(i))*epsilon(zero))
955  + GO TO 40
956 *
957 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
958 *
959  IF ( .NOT. pass) GO TO 20
960 * PRINT FAIL MESSAGE AND HEADER.
961  pass = .false.
962  WRITE (nout,99999)
963  WRITE (nout,99998)
964  20 WRITE (nout,99997) icase, n, incx, incy, i, scomp(i),
965  + strue(i), sd, ssize(i)
966  40 CONTINUE
967  RETURN
968 *
969 99999 FORMAT (' FAIL')
970 99998 FORMAT (/' CASE N INCX INCY I ',
971  + ' COMP(I) TRUE(I) DIFFERENCE',
972  + ' SIZE(I)',/1x)
973 99997 FORMAT (1x,i4,i3,2i5,i3,2d36.8,2d12.4)
974  END
975  SUBROUTINE testdsdot(SCOMP,STRUE,SSIZE,SFAC)
976 * ********************************* STEST **************************
977 *
978 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
979 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
980 * NEGLIGIBLE.
981 *
982 * C. L. LAWSON, JPL, 1974 DEC 10
983 *
984 * .. Parameters ..
985  INTEGER NOUT
986  REAL ZERO
987  parameter(nout=6, zero=0.0e0)
988 * .. Scalar Arguments ..
989  REAL SFAC, SCOMP, SSIZE, STRUE
990 * .. Scalars in Common ..
991  INTEGER ICASE, INCX, INCY, N
992  LOGICAL PASS
993 * .. Local Scalars ..
994  REAL SD
995 * .. Intrinsic Functions ..
996  INTRINSIC abs
997 * .. Common blocks ..
998  COMMON /combla/icase, n, incx, incy, pass
999 * .. Executable Statements ..
1000 *
1001  sd = scomp - strue
1002  IF (abs(sfac*sd) .LE. abs(ssize) * epsilon(zero))
1003  + GO TO 40
1004 *
1005 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
1006 *
1007  IF ( .NOT. pass) GO TO 20
1008 * PRINT FAIL MESSAGE AND HEADER.
1009  pass = .false.
1010  WRITE (nout,99999)
1011  WRITE (nout,99998)
1012  20 WRITE (nout,99997) icase, n, incx, incy, scomp,
1013  + strue, sd, ssize
1014  40 CONTINUE
1015  RETURN
1016 *
1017 99999 FORMAT (' FAIL')
1018 99998 FORMAT (/' CASE N INCX INCY ',
1019  + ' COMP(I) TRUE(I) DIFFERENCE',
1020  + ' SIZE(I)',/1x)
1021 99997 FORMAT (1x,i4,i3,1i5,i3,2e36.8,2e12.4)
1022  END
1023  SUBROUTINE stest1(SCOMP1,STRUE1,SSIZE,SFAC)
1024 * ************************* STEST1 *****************************
1025 *
1026 * THIS IS AN INTERFACE SUBROUTINE TO ACCOMMODATE THE FORTRAN
1027 * REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
1028 * ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
1029 *
1030 * C.L. LAWSON, JPL, 1978 DEC 6
1031 *
1032 * .. Scalar Arguments ..
1033  DOUBLE PRECISION SCOMP1, SFAC, STRUE1
1034 * .. Array Arguments ..
1035  DOUBLE PRECISION SSIZE(*)
1036 * .. Local Arrays ..
1037  DOUBLE PRECISION SCOMP(1), STRUE(1)
1038 * .. External Subroutines ..
1039  EXTERNAL stest
1040 * .. Executable Statements ..
1041 *
1042  scomp(1) = scomp1
1043  strue(1) = strue1
1044  CALL stest(1,scomp,strue,ssize,sfac)
1045 *
1046  RETURN
1047  END
1048  DOUBLE PRECISION FUNCTION sdiff(SA,SB)
1049 * ********************************* SDIFF **************************
1050 * COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
1051 *
1052 * .. Scalar Arguments ..
1053  DOUBLE PRECISION sa, sb
1054 * .. Executable Statements ..
1055  sdiff = sa - sb
1056  RETURN
1057  END
1058  SUBROUTINE itest1(ICOMP,ITRUE)
1059 * ********************************* ITEST1 *************************
1060 *
1061 * THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
1062 * EQUALITY.
1063 * C. L. LAWSON, JPL, 1974 DEC 10
1064 *
1065 * .. Parameters ..
1066  INTEGER NOUT
1067  parameter(nout=6)
1068 * .. Scalar Arguments ..
1069  INTEGER ICOMP, ITRUE
1070 * .. Scalars in Common ..
1071  INTEGER ICASE, INCX, INCY, N
1072  LOGICAL PASS
1073 * .. Local Scalars ..
1074  INTEGER ID
1075 * .. Common blocks ..
1076  COMMON /combla/icase, n, incx, incy, pass
1077 * .. Executable Statements ..
1078 *
1079  IF (icomp.EQ.itrue) GO TO 40
1080 *
1081 * HERE ICOMP IS NOT EQUAL TO ITRUE.
1082 *
1083  IF ( .NOT. pass) GO TO 20
1084 * PRINT FAIL MESSAGE AND HEADER.
1085  pass = .false.
1086  WRITE (nout,99999)
1087  WRITE (nout,99998)
1088  20 id = icomp - itrue
1089  WRITE (nout,99997) icase, n, incx, incy, icomp, itrue, id
1090  40 CONTINUE
1091  RETURN
1092 *
1093 99999 FORMAT (' FAIL')
1094 99998 FORMAT (/' CASE N INCX INCY ',
1095  + ' COMP TRUE DIFFERENCE',
1096  + /1x)
1097 99997 FORMAT (1x,i4,i3,2i5,2i36,i12)
1098  END
stest
subroutine stest(LEN, SCOMP, STRUE, SSIZE, SFAC)
Definition: cblat1.f:597
header
subroutine header
Definition: cblat1.f:88
sdiff
real function sdiff(SA, SB)
Definition: cblat1.f:678
check1
subroutine check1(SFAC)
Definition: cblat1.f:116
check2
subroutine check2(SFAC)
Definition: cblat1.f:334
stest1
subroutine stest1(SCOMP1, STRUE1, SSIZE, SFAC)
Definition: cblat1.f:653
itest1
subroutine itest1(ICOMP, ITRUE)
Definition: cblat1.f:719
check3
subroutine check3(SFAC)
Definition: dblat1.f:714
testdsdot
subroutine testdsdot(SCOMP, STRUE, SSIZE, SFAC)
Definition: dblat1.f:976
check0
subroutine check0(SFAC)
Definition: dblat1.f:124
drotm
subroutine drotm(N, DX, INCX, DY, INCY, DPARAM)
DROTM
Definition: drotm.f:96
drotmg
subroutine drotmg(DD1, DD2, DX1, DY1, DPARAM)
DROTMG
Definition: drotmg.f:90
dcopy
subroutine dcopy(N, DX, INCX, DY, INCY)
DCOPY
Definition: dcopy.f:82
drot
subroutine drot(N, DX, INCX, DY, INCY, C, S)
DROT
Definition: drot.f:92
dscal
subroutine dscal(N, DA, DX, INCX)
DSCAL
Definition: dscal.f:79
daxpy
subroutine daxpy(N, DA, DX, INCX, DY, INCY)
DAXPY
Definition: daxpy.f:89
dswap
subroutine dswap(N, DX, INCX, DY, INCY)
DSWAP
Definition: dswap.f:82
drotg
subroutine drotg(DA, DB, C, S)
DROTG
Definition: drotg.f:69
dblat1
program dblat1
DBLAT1
Definition: dblat1.f:36