LAPACK  3.9.0
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 *> \date April 2012
34 *
35 *> \ingroup double_blas_testing
36 *
37 * =====================================================================
38  PROGRAM dblat1
39 *
40 * -- Reference BLAS test routine (version 3.8.0) --
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, stest, 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  $ testdsdot
365 * .. Intrinsic Functions ..
366  INTRINSIC abs, min
367 * .. Common blocks ..
368  COMMON /combla/icase, n, incx, incy, pass
369 * .. Data statements ..
370  equivalence(dt19x(1,1,1),dt19xa(1,1,1)),(dt19x(1,1,5),
371  a dt19xb(1,1,1)),(dt19x(1,1,9),dt19xc(1,1,1)),
372  b (dt19x(1,1,13),dt19xd(1,1,1))
373  equivalence(dt19y(1,1,1),dt19ya(1,1,1)),(dt19y(1,1,5),
374  a dt19yb(1,1,1)),(dt19y(1,1,9),dt19yc(1,1,1)),
375  b (dt19y(1,1,13),dt19yd(1,1,1))
376 
377  DATA sa/0.3d0/
378  DATA incxs/1, 2, -2, -1/
379  DATA incys/1, -2, 1, -2/
380  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
381  DATA ns/0, 1, 2, 4/
382  DATA dx1/0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.9d0, -0.3d0,
383  + -0.4d0/
384  DATA dy1/0.5d0, -0.9d0, 0.3d0, 0.7d0, -0.6d0, 0.2d0,
385  + 0.8d0/
386  DATA dt7/0.0d0, 0.30d0, 0.21d0, 0.62d0, 0.0d0,
387  + 0.30d0, -0.07d0, 0.85d0, 0.0d0, 0.30d0, -0.79d0,
388  + -0.74d0, 0.0d0, 0.30d0, 0.33d0, 1.27d0/
389  DATA dt8/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
390  + 0.0d0, 0.68d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
391  + 0.0d0, 0.0d0, 0.68d0, -0.87d0, 0.0d0, 0.0d0,
392  + 0.0d0, 0.0d0, 0.0d0, 0.68d0, -0.87d0, 0.15d0,
393  + 0.94d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
394  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.68d0,
395  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
396  + 0.35d0, -0.9d0, 0.48d0, 0.0d0, 0.0d0, 0.0d0,
397  + 0.0d0, 0.38d0, -0.9d0, 0.57d0, 0.7d0, -0.75d0,
398  + 0.2d0, 0.98d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0,
399  + 0.0d0, 0.0d0, 0.0d0, 0.68d0, 0.0d0, 0.0d0,
400  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.35d0, -0.72d0,
401  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.38d0,
402  + -0.63d0, 0.15d0, 0.88d0, 0.0d0, 0.0d0, 0.0d0,
403  + 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
404  + 0.68d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
405  + 0.0d0, 0.68d0, -0.9d0, 0.33d0, 0.0d0, 0.0d0,
406  + 0.0d0, 0.0d0, 0.68d0, -0.9d0, 0.33d0, 0.7d0,
407  + -0.75d0, 0.2d0, 1.04d0/
408  DATA dt10x/0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
409  + 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
410  + 0.0d0, 0.5d0, -0.9d0, 0.0d0, 0.0d0, 0.0d0,
411  + 0.0d0, 0.0d0, 0.5d0, -0.9d0, 0.3d0, 0.7d0,
412  + 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0,
413  + 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0,
414  + 0.0d0, 0.0d0, 0.0d0, 0.3d0, 0.1d0, 0.5d0, 0.0d0,
415  + 0.0d0, 0.0d0, 0.0d0, 0.8d0, 0.1d0, -0.6d0,
416  + 0.8d0, 0.3d0, -0.3d0, 0.5d0, 0.6d0, 0.0d0,
417  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
418  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.9d0,
419  + 0.1d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.7d0,
420  + 0.1d0, 0.3d0, 0.8d0, -0.9d0, -0.3d0, 0.5d0,
421  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
422  + 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
423  + 0.5d0, 0.3d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
424  + 0.5d0, 0.3d0, -0.6d0, 0.8d0, 0.0d0, 0.0d0,
425  + 0.0d0/
426  DATA dt10y/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
427  + 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
428  + 0.0d0, 0.6d0, 0.1d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
429  + 0.0d0, 0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.0d0,
430  + 0.0d0, 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
431  + 0.0d0, 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
432  + 0.0d0, 0.0d0, -0.5d0, -0.9d0, 0.6d0, 0.0d0,
433  + 0.0d0, 0.0d0, 0.0d0, -0.4d0, -0.9d0, 0.9d0,
434  + 0.7d0, -0.5d0, 0.2d0, 0.6d0, 0.5d0, 0.0d0,
435  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0,
436  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.5d0,
437  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
438  + -0.4d0, 0.9d0, -0.5d0, 0.6d0, 0.0d0, 0.0d0,
439  + 0.0d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
440  + 0.0d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
441  + 0.0d0, 0.6d0, -0.9d0, 0.1d0, 0.0d0, 0.0d0,
442  + 0.0d0, 0.0d0, 0.6d0, -0.9d0, 0.1d0, 0.7d0,
443  + -0.5d0, 0.2d0, 0.8d0/
444  DATA ssize1/0.0d0, 0.3d0, 1.6d0, 3.2d0/
445  DATA ssize2/0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
446  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
447  + 0.0d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
448  + 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
449  + 1.17d0, 1.17d0, 1.17d0/
450 *
451 * FOR DROTM
452 *
453  DATA dpar/-2.d0, 0.d0,0.d0,0.d0,0.d0,
454  a -1.d0, 2.d0, -3.d0, -4.d0, 5.d0,
455  b 0.d0, 0.d0, 2.d0, -3.d0, 0.d0,
456  c 1.d0, 5.d0, 2.d0, 0.d0, -4.d0/
457 * TRUE X RESULTS F0R ROTATIONS DROTM
458  DATA dt19xa/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
459  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
460  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
461  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
462  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
463  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
464  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
465  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
466  h .6d0, .1d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
467  i -.8d0, 3.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
468  j -.9d0, 2.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
469  k 3.5d0, -.4d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
470  l .6d0, .1d0, -.5d0, .8d0, 0.d0,0.d0,0.d0,
471  m -.8d0, 3.8d0, -2.2d0, -1.2d0, 0.d0,0.d0,0.d0,
472  n -.9d0, 2.8d0, -1.4d0, -1.3d0, 0.d0,0.d0,0.d0,
473  o 3.5d0, -.4d0, -2.2d0, 4.7d0, 0.d0,0.d0,0.d0/
474 *
475  DATA dt19xb/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
476  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
477  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
478  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
479  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
480  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
481  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
482  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
483  h .6d0, .1d0, -.5d0, 0.d0,0.d0,0.d0,0.d0,
484  i 0.d0, .1d0, -3.0d0, 0.d0,0.d0,0.d0,0.d0,
485  j -.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
486  k 3.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
487  l .6d0, .1d0, -.5d0, .8d0, .9d0, -.3d0, -.4d0,
488  m -2.0d0, .1d0, 1.4d0, .8d0, .6d0, -.3d0, -2.8d0,
489  n -1.8d0, .1d0, 1.3d0, .8d0, 0.d0, -.3d0, -1.9d0,
490  o 3.8d0, .1d0, -3.1d0, .8d0, 4.8d0, -.3d0, -1.5d0 /
491 *
492  DATA dt19xc/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
493  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
494  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
495  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
496  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
497  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
498  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
499  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
500  h .6d0, .1d0, -.5d0, 0.d0,0.d0,0.d0,0.d0,
501  i 4.8d0, .1d0, -3.0d0, 0.d0,0.d0,0.d0,0.d0,
502  j 3.3d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
503  k 2.1d0, .1d0, -2.0d0, 0.d0,0.d0,0.d0,0.d0,
504  l .6d0, .1d0, -.5d0, .8d0, .9d0, -.3d0, -.4d0,
505  m -1.6d0, .1d0, -2.2d0, .8d0, 5.4d0, -.3d0, -2.8d0,
506  n -1.5d0, .1d0, -1.4d0, .8d0, 3.6d0, -.3d0, -1.9d0,
507  o 3.7d0, .1d0, -2.2d0, .8d0, 3.6d0, -.3d0, -1.5d0 /
508 *
509  DATA dt19xd/.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
510  a .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
511  b .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
512  c .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
513  d .6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
514  e -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
515  f -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
516  g 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
517  h .6d0, .1d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
518  i -.8d0, -1.0d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
519  j -.9d0, -.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
520  k 3.5d0, .8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
521  l .6d0, .1d0, -.5d0, .8d0, 0.d0,0.d0,0.d0,
522  m -.8d0, -1.0d0, 1.4d0, -1.6d0, 0.d0,0.d0,0.d0,
523  n -.9d0, -.8d0, 1.3d0, -1.6d0, 0.d0,0.d0,0.d0,
524  o 3.5d0, .8d0, -3.1d0, 4.8d0, 0.d0,0.d0,0.d0/
525 * TRUE Y RESULTS FOR ROTATIONS DROTM
526  DATA dt19ya/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
527  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
528  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
529  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
530  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
531  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
532  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
533  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
534  h .5d0, -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
535  i .7d0, -4.8d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
536  j 1.7d0, -.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
537  k -2.6d0, 3.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
538  l .5d0, -.9d0, .3d0, .7d0, 0.d0,0.d0,0.d0,
539  m .7d0, -4.8d0, 3.0d0, 1.1d0, 0.d0,0.d0,0.d0,
540  n 1.7d0, -.7d0, -.7d0, 2.3d0, 0.d0,0.d0,0.d0,
541  o -2.6d0, 3.5d0, -.7d0, -3.6d0, 0.d0,0.d0,0.d0/
542 *
543  DATA dt19yb/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
544  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
545  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
546  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
547  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
548  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
549  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
550  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
551  h .5d0, -.9d0, .3d0, 0.d0,0.d0,0.d0,0.d0,
552  i 4.0d0, -.9d0, -.3d0, 0.d0,0.d0,0.d0,0.d0,
553  j -.5d0, -.9d0, 1.5d0, 0.d0,0.d0,0.d0,0.d0,
554  k -1.5d0, -.9d0, -1.8d0, 0.d0,0.d0,0.d0,0.d0,
555  l .5d0, -.9d0, .3d0, .7d0, -.6d0, .2d0, .8d0,
556  m 3.7d0, -.9d0, -1.2d0, .7d0, -1.5d0, .2d0, 2.2d0,
557  n -.3d0, -.9d0, 2.1d0, .7d0, -1.6d0, .2d0, 2.0d0,
558  o -1.6d0, -.9d0, -2.1d0, .7d0, 2.9d0, .2d0, -3.8d0 /
559 *
560  DATA dt19yc/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
561  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
562  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
563  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
564  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
565  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
566  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
567  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
568  h .5d0, -.9d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
569  i 4.0d0, -6.3d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
570  j -.5d0, .3d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
571  k -1.5d0, 3.0d0, 0.d0,0.d0,0.d0,0.d0,0.d0,
572  l .5d0, -.9d0, .3d0, .7d0, 0.d0,0.d0,0.d0,
573  m 3.7d0, -7.2d0, 3.0d0, 1.7d0, 0.d0,0.d0,0.d0,
574  n -.3d0, .9d0, -.7d0, 1.9d0, 0.d0,0.d0,0.d0,
575  o -1.6d0, 2.7d0, -.7d0, -3.4d0, 0.d0,0.d0,0.d0/
576 *
577  DATA dt19yd/.5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
578  a .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
579  b .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
580  c .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
581  d .5d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
582  e .7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
583  f 1.7d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
584  g -2.6d0, 0.d0,0.d0,0.d0,0.d0,0.d0,0.d0,
585  h .5d0, -.9d0, .3d0, 0.d0,0.d0,0.d0,0.d0,
586  i .7d0, -.9d0, 1.2d0, 0.d0,0.d0,0.d0,0.d0,
587  j 1.7d0, -.9d0, .5d0, 0.d0,0.d0,0.d0,0.d0,
588  k -2.6d0, -.9d0, -1.3d0, 0.d0,0.d0,0.d0,0.d0,
589  l .5d0, -.9d0, .3d0, .7d0, -.6d0, .2d0, .8d0,
590  m .7d0, -.9d0, 1.2d0, .7d0, -1.5d0, .2d0, 1.6d0,
591  n 1.7d0, -.9d0, .5d0, .7d0, -1.6d0, .2d0, 2.4d0,
592  o -2.6d0, -.9d0, -1.3d0, .7d0, 2.9d0, .2d0, -4.0d0 /
593 *
594 * .. Executable Statements ..
595 *
596  DO 120 ki = 1, 4
597  incx = incxs(ki)
598  incy = incys(ki)
599  mx = abs(incx)
600  my = abs(incy)
601 *
602  DO 100 kn = 1, 4
603  n = ns(kn)
604  ksize = min(2,kn)
605  lenx = lens(kn,mx)
606  leny = lens(kn,my)
607 * .. Initialize all argument arrays ..
608  DO 20 i = 1, 7
609  sx(i) = dx1(i)
610  sy(i) = dy1(i)
611  20 CONTINUE
612 *
613  IF (icase.EQ.1) THEN
614 * .. DDOT ..
615  CALL stest1(ddot(n,sx,incx,sy,incy),dt7(kn,ki),ssize1(kn)
616  + ,sfac)
617  ELSE IF (icase.EQ.2) THEN
618 * .. DAXPY ..
619  CALL daxpy(n,sa,sx,incx,sy,incy)
620  DO 40 j = 1, leny
621  sty(j) = dt8(j,kn,ki)
622  40 CONTINUE
623  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
624  ELSE IF (icase.EQ.5) THEN
625 * .. DCOPY ..
626  DO 60 i = 1, 7
627  sty(i) = dt10y(i,kn,ki)
628  60 CONTINUE
629  CALL dcopy(n,sx,incx,sy,incy)
630  CALL stest(leny,sy,sty,ssize2(1,1),1.0d0)
631  ELSE IF (icase.EQ.6) THEN
632 * .. DSWAP ..
633  CALL dswap(n,sx,incx,sy,incy)
634  DO 80 i = 1, 7
635  stx(i) = dt10x(i,kn,ki)
636  sty(i) = dt10y(i,kn,ki)
637  80 CONTINUE
638  CALL stest(lenx,sx,stx,ssize2(1,1),1.0d0)
639  CALL stest(leny,sy,sty,ssize2(1,1),1.0d0)
640  ELSE IF (icase.EQ.12) THEN
641 * .. DROTM ..
642  kni=kn+4*(ki-1)
643  DO kpar=1,4
644  DO i=1,7
645  sx(i) = dx1(i)
646  sy(i) = dy1(i)
647  stx(i)= dt19x(i,kpar,kni)
648  sty(i)= dt19y(i,kpar,kni)
649  END DO
650 *
651  DO i=1,5
652  dtemp(i) = dpar(i,kpar)
653  END DO
654 *
655  DO i=1,lenx
656  ssize(i)=stx(i)
657  END DO
658 * SEE REMARK ABOVE ABOUT DT11X(1,2,7)
659 * AND DT11X(5,3,8).
660  IF ((kpar .EQ. 2) .AND. (kni .EQ. 7))
661  $ ssize(1) = 2.4d0
662  IF ((kpar .EQ. 3) .AND. (kni .EQ. 8))
663  $ ssize(5) = 1.8d0
664 *
665  CALL drotm(n,sx,incx,sy,incy,dtemp)
666  CALL stest(lenx,sx,stx,ssize,sfac)
667  CALL stest(leny,sy,sty,sty,sfac)
668  END DO
669  ELSE IF (icase.EQ.13) THEN
670 * .. DSDOT ..
671  CALL testdsdot(real(dsdot(n,real(sx),incx,real(sy),incy)),
672  $ real(dt7(kn,ki)),real(ssize1(kn)), .3125e-1)
673  ELSE
674  WRITE (nout,*) ' Shouldn''t be here in CHECK2'
675  stop
676  END IF
677  100 CONTINUE
678  120 CONTINUE
679  RETURN
680  END
681  SUBROUTINE check3(SFAC)
682 * .. Parameters ..
683  INTEGER NOUT
684  parameter(nout=6)
685 * .. Scalar Arguments ..
686  DOUBLE PRECISION SFAC
687 * .. Scalars in Common ..
688  INTEGER ICASE, INCX, INCY, N
689  LOGICAL PASS
690 * .. Local Scalars ..
691  DOUBLE PRECISION SC, SS
692  INTEGER I, K, KI, KN, KSIZE, LENX, LENY, MX, MY
693 * .. Local Arrays ..
694  DOUBLE PRECISION COPYX(5), COPYY(5), DT9X(7,4,4), DT9Y(7,4,4),
695  + DX1(7), DY1(7), MWPC(11), MWPS(11), MWPSTX(5),
696  + MWPSTY(5), MWPTX(11,5), MWPTY(11,5), MWPX(5),
697  + MWPY(5), SSIZE2(14,2), STX(7), STY(7), SX(7),
698  + SY(7)
699  INTEGER INCXS(4), INCYS(4), LENS(4,2), MWPINX(11),
700  + MWPINY(11), MWPN(11), NS(4)
701 * .. External Subroutines ..
702  EXTERNAL drot, stest
703 * .. Intrinsic Functions ..
704  INTRINSIC abs, min
705 * .. Common blocks ..
706  COMMON /combla/icase, n, incx, incy, pass
707 * .. Data statements ..
708  DATA incxs/1, 2, -2, -1/
709  DATA incys/1, -2, 1, -2/
710  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
711  DATA ns/0, 1, 2, 4/
712  DATA dx1/0.6d0, 0.1d0, -0.5d0, 0.8d0, 0.9d0, -0.3d0,
713  + -0.4d0/
714  DATA dy1/0.5d0, -0.9d0, 0.3d0, 0.7d0, -0.6d0, 0.2d0,
715  + 0.8d0/
716  DATA sc, ss/0.8d0, 0.6d0/
717  DATA dt9x/0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
718  + 0.0d0, 0.78d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
719  + 0.0d0, 0.0d0, 0.78d0, -0.46d0, 0.0d0, 0.0d0,
720  + 0.0d0, 0.0d0, 0.0d0, 0.78d0, -0.46d0, -0.22d0,
721  + 1.06d0, 0.0d0, 0.0d0, 0.0d0, 0.6d0, 0.0d0,
722  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.78d0,
723  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
724  + 0.66d0, 0.1d0, -0.1d0, 0.0d0, 0.0d0, 0.0d0,
725  + 0.0d0, 0.96d0, 0.1d0, -0.76d0, 0.8d0, 0.90d0,
726  + -0.3d0, -0.02d0, 0.6d0, 0.0d0, 0.0d0, 0.0d0,
727  + 0.0d0, 0.0d0, 0.0d0, 0.78d0, 0.0d0, 0.0d0,
728  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, -0.06d0, 0.1d0,
729  + -0.1d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.90d0,
730  + 0.1d0, -0.22d0, 0.8d0, 0.18d0, -0.3d0, -0.02d0,
731  + 0.6d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
732  + 0.78d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
733  + 0.0d0, 0.78d0, 0.26d0, 0.0d0, 0.0d0, 0.0d0,
734  + 0.0d0, 0.0d0, 0.78d0, 0.26d0, -0.76d0, 1.12d0,
735  + 0.0d0, 0.0d0, 0.0d0/
736  DATA dt9y/0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
737  + 0.0d0, 0.04d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
738  + 0.0d0, 0.0d0, 0.04d0, -0.78d0, 0.0d0, 0.0d0,
739  + 0.0d0, 0.0d0, 0.0d0, 0.04d0, -0.78d0, 0.54d0,
740  + 0.08d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0, 0.0d0,
741  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.04d0,
742  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.7d0,
743  + -0.9d0, -0.12d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
744  + 0.64d0, -0.9d0, -0.30d0, 0.7d0, -0.18d0, 0.2d0,
745  + 0.28d0, 0.5d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
746  + 0.0d0, 0.0d0, 0.04d0, 0.0d0, 0.0d0, 0.0d0,
747  + 0.0d0, 0.0d0, 0.0d0, 0.7d0, -1.08d0, 0.0d0,
748  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.64d0, -1.26d0,
749  + 0.54d0, 0.20d0, 0.0d0, 0.0d0, 0.0d0, 0.5d0,
750  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
751  + 0.04d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
752  + 0.0d0, 0.04d0, -0.9d0, 0.18d0, 0.0d0, 0.0d0,
753  + 0.0d0, 0.0d0, 0.04d0, -0.9d0, 0.18d0, 0.7d0,
754  + -0.18d0, 0.2d0, 0.16d0/
755  DATA ssize2/0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
756  + 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0, 0.0d0,
757  + 0.0d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
758  + 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0, 1.17d0,
759  + 1.17d0, 1.17d0, 1.17d0/
760 * .. Executable Statements ..
761 *
762  DO 60 ki = 1, 4
763  incx = incxs(ki)
764  incy = incys(ki)
765  mx = abs(incx)
766  my = abs(incy)
767 *
768  DO 40 kn = 1, 4
769  n = ns(kn)
770  ksize = min(2,kn)
771  lenx = lens(kn,mx)
772  leny = lens(kn,my)
773 *
774  IF (icase.EQ.4) THEN
775 * .. DROT ..
776  DO 20 i = 1, 7
777  sx(i) = dx1(i)
778  sy(i) = dy1(i)
779  stx(i) = dt9x(i,kn,ki)
780  sty(i) = dt9y(i,kn,ki)
781  20 CONTINUE
782  CALL drot(n,sx,incx,sy,incy,sc,ss)
783  CALL stest(lenx,sx,stx,ssize2(1,ksize),sfac)
784  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
785  ELSE
786  WRITE (nout,*) ' Shouldn''t be here in CHECK3'
787  stop
788  END IF
789  40 CONTINUE
790  60 CONTINUE
791 *
792  mwpc(1) = 1
793  DO 80 i = 2, 11
794  mwpc(i) = 0
795  80 CONTINUE
796  mwps(1) = 0
797  DO 100 i = 2, 6
798  mwps(i) = 1
799  100 CONTINUE
800  DO 120 i = 7, 11
801  mwps(i) = -1
802  120 CONTINUE
803  mwpinx(1) = 1
804  mwpinx(2) = 1
805  mwpinx(3) = 1
806  mwpinx(4) = -1
807  mwpinx(5) = 1
808  mwpinx(6) = -1
809  mwpinx(7) = 1
810  mwpinx(8) = 1
811  mwpinx(9) = -1
812  mwpinx(10) = 1
813  mwpinx(11) = -1
814  mwpiny(1) = 1
815  mwpiny(2) = 1
816  mwpiny(3) = -1
817  mwpiny(4) = -1
818  mwpiny(5) = 2
819  mwpiny(6) = 1
820  mwpiny(7) = 1
821  mwpiny(8) = -1
822  mwpiny(9) = -1
823  mwpiny(10) = 2
824  mwpiny(11) = 1
825  DO 140 i = 1, 11
826  mwpn(i) = 5
827  140 CONTINUE
828  mwpn(5) = 3
829  mwpn(10) = 3
830  DO 160 i = 1, 5
831  mwpx(i) = i
832  mwpy(i) = i
833  mwptx(1,i) = i
834  mwpty(1,i) = i
835  mwptx(2,i) = i
836  mwpty(2,i) = -i
837  mwptx(3,i) = 6 - i
838  mwpty(3,i) = i - 6
839  mwptx(4,i) = i
840  mwpty(4,i) = -i
841  mwptx(6,i) = 6 - i
842  mwpty(6,i) = i - 6
843  mwptx(7,i) = -i
844  mwpty(7,i) = i
845  mwptx(8,i) = i - 6
846  mwpty(8,i) = 6 - i
847  mwptx(9,i) = -i
848  mwpty(9,i) = i
849  mwptx(11,i) = i - 6
850  mwpty(11,i) = 6 - i
851  160 CONTINUE
852  mwptx(5,1) = 1
853  mwptx(5,2) = 3
854  mwptx(5,3) = 5
855  mwptx(5,4) = 4
856  mwptx(5,5) = 5
857  mwpty(5,1) = -1
858  mwpty(5,2) = 2
859  mwpty(5,3) = -2
860  mwpty(5,4) = 4
861  mwpty(5,5) = -3
862  mwptx(10,1) = -1
863  mwptx(10,2) = -3
864  mwptx(10,3) = -5
865  mwptx(10,4) = 4
866  mwptx(10,5) = 5
867  mwpty(10,1) = 1
868  mwpty(10,2) = 2
869  mwpty(10,3) = 2
870  mwpty(10,4) = 4
871  mwpty(10,5) = 3
872  DO 200 i = 1, 11
873  incx = mwpinx(i)
874  incy = mwpiny(i)
875  DO 180 k = 1, 5
876  copyx(k) = mwpx(k)
877  copyy(k) = mwpy(k)
878  mwpstx(k) = mwptx(i,k)
879  mwpsty(k) = mwpty(i,k)
880  180 CONTINUE
881  CALL drot(mwpn(i),copyx,incx,copyy,incy,mwpc(i),mwps(i))
882  CALL stest(5,copyx,mwpstx,mwpstx,sfac)
883  CALL stest(5,copyy,mwpsty,mwpsty,sfac)
884  200 CONTINUE
885  RETURN
886  END
887  SUBROUTINE stest(LEN,SCOMP,STRUE,SSIZE,SFAC)
888 * ********************************* STEST **************************
889 *
890 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
891 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
892 * NEGLIGIBLE.
893 *
894 * C. L. LAWSON, JPL, 1974 DEC 10
895 *
896 * .. Parameters ..
897  INTEGER NOUT
898  DOUBLE PRECISION ZERO
899  parameter(nout=6, zero=0.0d0)
900 * .. Scalar Arguments ..
901  DOUBLE PRECISION SFAC
902  INTEGER LEN
903 * .. Array Arguments ..
904  DOUBLE PRECISION SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
905 * .. Scalars in Common ..
906  INTEGER ICASE, INCX, INCY, N
907  LOGICAL PASS
908 * .. Local Scalars ..
909  DOUBLE PRECISION SD
910  INTEGER I
911 * .. External Functions ..
912  DOUBLE PRECISION SDIFF
913  EXTERNAL sdiff
914 * .. Intrinsic Functions ..
915  INTRINSIC abs
916 * .. Common blocks ..
917  COMMON /combla/icase, n, incx, incy, pass
918 * .. Executable Statements ..
919 *
920  DO 40 i = 1, len
921  sd = scomp(i) - strue(i)
922  IF (abs(sfac*sd) .LE. abs(ssize(i))*epsilon(zero))
923  + GO TO 40
924 *
925 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
926 *
927  IF ( .NOT. pass) GO TO 20
928 * PRINT FAIL MESSAGE AND HEADER.
929  pass = .false.
930  WRITE (nout,99999)
931  WRITE (nout,99998)
932  20 WRITE (nout,99997) icase, n, incx, incy, i, scomp(i),
933  + strue(i), sd, ssize(i)
934  40 CONTINUE
935  RETURN
936 *
937 99999 FORMAT (' FAIL')
938 99998 FORMAT (/' CASE N INCX INCY I ',
939  + ' COMP(I) TRUE(I) DIFFERENCE',
940  + ' SIZE(I)',/1x)
941 99997 FORMAT (1x,i4,i3,2i5,i3,2d36.8,2d12.4)
942  END
943  SUBROUTINE testdsdot(SCOMP,STRUE,SSIZE,SFAC)
944 * ********************************* STEST **************************
945 *
946 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
947 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
948 * NEGLIGIBLE.
949 *
950 * C. L. LAWSON, JPL, 1974 DEC 10
951 *
952 * .. Parameters ..
953  INTEGER NOUT
954  REAL ZERO
955  parameter(nout=6, zero=0.0e0)
956 * .. Scalar Arguments ..
957  REAL SFAC, SCOMP, SSIZE, STRUE
958 * .. Scalars in Common ..
959  INTEGER ICASE, INCX, INCY, N
960  LOGICAL PASS
961 * .. Local Scalars ..
962  REAL SD
963 * .. Intrinsic Functions ..
964  INTRINSIC abs
965 * .. Common blocks ..
966  COMMON /combla/icase, n, incx, incy, pass
967 * .. Executable Statements ..
968 *
969  sd = scomp - strue
970  IF (abs(sfac*sd) .LE. abs(ssize) * epsilon(zero))
971  + GO TO 40
972 *
973 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
974 *
975  IF ( .NOT. pass) GO TO 20
976 * PRINT FAIL MESSAGE AND HEADER.
977  pass = .false.
978  WRITE (nout,99999)
979  WRITE (nout,99998)
980  20 WRITE (nout,99997) icase, n, incx, incy, scomp,
981  + strue, sd, ssize
982  40 CONTINUE
983  RETURN
984 *
985 99999 FORMAT (' FAIL')
986 99998 FORMAT (/' CASE N INCX INCY ',
987  + ' COMP(I) TRUE(I) DIFFERENCE',
988  + ' SIZE(I)',/1x)
989 99997 FORMAT (1x,i4,i3,1i5,i3,2e36.8,2e12.4)
990  END
991  SUBROUTINE stest1(SCOMP1,STRUE1,SSIZE,SFAC)
992 * ************************* STEST1 *****************************
993 *
994 * THIS IS AN INTERFACE SUBROUTINE TO ACCOMMODATE THE FORTRAN
995 * REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
996 * ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
997 *
998 * C.L. LAWSON, JPL, 1978 DEC 6
999 *
1000 * .. Scalar Arguments ..
1001  DOUBLE PRECISION SCOMP1, SFAC, STRUE1
1002 * .. Array Arguments ..
1003  DOUBLE PRECISION SSIZE(*)
1004 * .. Local Arrays ..
1005  DOUBLE PRECISION SCOMP(1), STRUE(1)
1006 * .. External Subroutines ..
1007  EXTERNAL stest
1008 * .. Executable Statements ..
1009 *
1010  scomp(1) = scomp1
1011  strue(1) = strue1
1012  CALL stest(1,scomp,strue,ssize,sfac)
1013 *
1014  RETURN
1015  END
1016  DOUBLE PRECISION FUNCTION sdiff(SA,SB)
1017 * ********************************* SDIFF **************************
1018 * COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
1019 *
1020 * .. Scalar Arguments ..
1021  DOUBLE PRECISION sa, sb
1022 * .. Executable Statements ..
1023  sdiff = sa - sb
1024  RETURN
1025  END
1026  SUBROUTINE itest1(ICOMP,ITRUE)
1027 * ********************************* ITEST1 *************************
1028 *
1029 * THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
1030 * EQUALITY.
1031 * C. L. LAWSON, JPL, 1974 DEC 10
1032 *
1033 * .. Parameters ..
1034  INTEGER NOUT
1035  parameter(nout=6)
1036 * .. Scalar Arguments ..
1037  INTEGER ICOMP, ITRUE
1038 * .. Scalars in Common ..
1039  INTEGER ICASE, INCX, INCY, N
1040  LOGICAL PASS
1041 * .. Local Scalars ..
1042  INTEGER ID
1043 * .. Common blocks ..
1044  COMMON /combla/icase, n, incx, incy, pass
1045 * .. Executable Statements ..
1046 *
1047  IF (icomp.EQ.itrue) GO TO 40
1048 *
1049 * HERE ICOMP IS NOT EQUAL TO ITRUE.
1050 *
1051  IF ( .NOT. pass) GO TO 20
1052 * PRINT FAIL MESSAGE AND HEADER.
1053  pass = .false.
1054  WRITE (nout,99999)
1055  WRITE (nout,99998)
1056  20 id = icomp - itrue
1057  WRITE (nout,99997) icase, n, incx, incy, icomp, itrue, id
1058  40 CONTINUE
1059  RETURN
1060 *
1061 99999 FORMAT (' FAIL')
1062 99998 FORMAT (/' CASE N INCX INCY ',
1063  + ' COMP TRUE DIFFERENCE',
1064  + /1x)
1065 99997 FORMAT (1x,i4,i3,2i5,2i36,i12)
1066  END
check3
subroutine check3(SFAC)
Definition: dblat1.f:682
header
subroutine header
Definition: cblat1.f:91
stest
subroutine stest(LEN, SCOMP, STRUE, SSIZE, SFAC)
Definition: cblat1.f:564
check1
subroutine check1(SFAC)
Definition: cblat1.f:119
dcopy
subroutine dcopy(N, DX, INCX, DY, INCY)
DCOPY
Definition: dcopy.f:84
testdsdot
subroutine testdsdot(SCOMP, STRUE, SSIZE, SFAC)
Definition: dblat1.f:944
stest1
subroutine stest1(SCOMP1, STRUE1, SSIZE, SFAC)
Definition: cblat1.f:620
drotmg
subroutine drotmg(DD1, DD2, DX1, DY1, DPARAM)
DROTMG
Definition: drotmg.f:92
dblat1
program dblat1
DBLAT1
Definition: dblat1.f:38
drot
subroutine drot(N, DX, INCX, DY, INCY, C, S)
DROT
Definition: drot.f:94
dswap
subroutine dswap(N, DX, INCX, DY, INCY)
DSWAP
Definition: dswap.f:84
drotg
subroutine drotg(DA, DB, C, S)
DROTG
Definition: drotg.f:71
check0
subroutine check0(SFAC)
Definition: dblat1.f:127
itest1
subroutine itest1(ICOMP, ITRUE)
Definition: cblat1.f:686
sdiff
real function sdiff(SA, SB)
Definition: cblat1.f:645
drotm
subroutine drotm(N, DX, INCX, DY, INCY, DPARAM)
DROTM
Definition: drotm.f:98
dscal
subroutine dscal(N, DA, DX, INCX)
DSCAL
Definition: dscal.f:81
check2
subroutine check2(SFAC)
Definition: cblat1.f:320
daxpy
subroutine daxpy(N, DA, DX, INCX, DY, INCY)
DAXPY
Definition: daxpy.f:91