LAPACK  3.5.0
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cblat1.f
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1 *> \brief \b CBLAT1
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 CBLAT1
12 *
13 *
14 *> \par Purpose:
15 * =============
16 *>
17 *> \verbatim
18 *>
19 *> Test program for the COMPLEX Level 1 BLAS.
20 *> Based upon the original BLAS test routine together with:
21 *>
22 *> F06GAF 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 complex_blas_testing
36 *
37 * =====================================================================
38  PROGRAM cblat1
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, mode, n
52  LOGICAL pass
53 * .. Local Scalars ..
54  REAL sfac
55  INTEGER ic
56 * .. External Subroutines ..
57  EXTERNAL check1, check2, header
58 * .. Common blocks ..
59  COMMON /combla/icase, n, incx, incy, mode, pass
60 * .. Data statements ..
61  DATA sfac/9.765625e-4/
62 * .. Executable Statements ..
63  WRITE (nout,99999)
64  DO 20 ic = 1, 10
65  icase = ic
66  CALL header
67 *
68 * Initialize PASS, INCX, INCY, and MODE for a new case.
69 * The value 9999 for INCX, INCY or MODE 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  mode = 9999
77  IF (icase.LE.5) THEN
78  CALL check2(sfac)
79  ELSE IF (icase.GE.6) THEN
80  CALL check1(sfac)
81  END IF
82 * -- Print
83  IF (pass) WRITE (nout,99998)
84  20 CONTINUE
85  stop
86 *
87 99999 FORMAT (' Complex BLAS Test Program Results',/1x)
88 99998 FORMAT (' ----- PASS -----')
89  END
90  SUBROUTINE header
91 * .. Parameters ..
92  INTEGER nout
93  parameter(nout=6)
94 * .. Scalars in Common ..
95  INTEGER icase, incx, incy, mode, n
96  LOGICAL pass
97 * .. Local Arrays ..
98  CHARACTER*6 l(10)
99 * .. Common blocks ..
100  COMMON /combla/icase, n, incx, incy, mode, pass
101 * .. Data statements ..
102  DATA l(1)/'CDOTC '/
103  DATA l(2)/'CDOTU '/
104  DATA l(3)/'CAXPY '/
105  DATA l(4)/'CCOPY '/
106  DATA l(5)/'CSWAP '/
107  DATA l(6)/'SCNRM2'/
108  DATA l(7)/'SCASUM'/
109  DATA l(8)/'CSCAL '/
110  DATA l(9)/'CSSCAL'/
111  DATA l(10)/'ICAMAX'/
112 * .. Executable Statements ..
113  WRITE (nout,99999) icase, l(icase)
114  RETURN
115 *
116 99999 FORMAT (/' Test of subprogram number',i3,12x,a6)
117  END
118  SUBROUTINE check1(SFAC)
119 * .. Parameters ..
120  INTEGER nout
121  parameter(nout=6)
122 * .. Scalar Arguments ..
123  REAL sfac
124 * .. Scalars in Common ..
125  INTEGER icase, incx, incy, mode, n
126  LOGICAL pass
127 * .. Local Scalars ..
128  COMPLEX ca
129  REAL sa
130  INTEGER i, j, len, np1
131 * .. Local Arrays ..
132  COMPLEX ctrue5(8,5,2), ctrue6(8,5,2), cv(8,5,2), cx(8),
133  + mwpcs(5), mwpct(5)
134  REAL strue2(5), strue4(5)
135  INTEGER itrue3(5)
136 * .. External Functions ..
137  REAL scasum, scnrm2
138  INTEGER icamax
139  EXTERNAL scasum, scnrm2, icamax
140 * .. External Subroutines ..
141  EXTERNAL cscal, csscal, ctest, itest1, stest1
142 * .. Intrinsic Functions ..
143  INTRINSIC max
144 * .. Common blocks ..
145  COMMON /combla/icase, n, incx, incy, mode, pass
146 * .. Data statements ..
147  DATA sa, ca/0.3e0, (0.4e0,-0.7e0)/
148  DATA ((cv(i,j,1),i=1,8),j=1,5)/(0.1e0,0.1e0),
149  + (1.0e0,2.0e0), (1.0e0,2.0e0), (1.0e0,2.0e0),
150  + (1.0e0,2.0e0), (1.0e0,2.0e0), (1.0e0,2.0e0),
151  + (1.0e0,2.0e0), (0.3e0,-0.4e0), (3.0e0,4.0e0),
152  + (3.0e0,4.0e0), (3.0e0,4.0e0), (3.0e0,4.0e0),
153  + (3.0e0,4.0e0), (3.0e0,4.0e0), (3.0e0,4.0e0),
154  + (0.1e0,-0.3e0), (0.5e0,-0.1e0), (5.0e0,6.0e0),
155  + (5.0e0,6.0e0), (5.0e0,6.0e0), (5.0e0,6.0e0),
156  + (5.0e0,6.0e0), (5.0e0,6.0e0), (0.1e0,0.1e0),
157  + (-0.6e0,0.1e0), (0.1e0,-0.3e0), (7.0e0,8.0e0),
158  + (7.0e0,8.0e0), (7.0e0,8.0e0), (7.0e0,8.0e0),
159  + (7.0e0,8.0e0), (0.3e0,0.1e0), (0.5e0,0.0e0),
160  + (0.0e0,0.5e0), (0.0e0,0.2e0), (2.0e0,3.0e0),
161  + (2.0e0,3.0e0), (2.0e0,3.0e0), (2.0e0,3.0e0)/
162  DATA ((cv(i,j,2),i=1,8),j=1,5)/(0.1e0,0.1e0),
163  + (4.0e0,5.0e0), (4.0e0,5.0e0), (4.0e0,5.0e0),
164  + (4.0e0,5.0e0), (4.0e0,5.0e0), (4.0e0,5.0e0),
165  + (4.0e0,5.0e0), (0.3e0,-0.4e0), (6.0e0,7.0e0),
166  + (6.0e0,7.0e0), (6.0e0,7.0e0), (6.0e0,7.0e0),
167  + (6.0e0,7.0e0), (6.0e0,7.0e0), (6.0e0,7.0e0),
168  + (0.1e0,-0.3e0), (8.0e0,9.0e0), (0.5e0,-0.1e0),
169  + (2.0e0,5.0e0), (2.0e0,5.0e0), (2.0e0,5.0e0),
170  + (2.0e0,5.0e0), (2.0e0,5.0e0), (0.1e0,0.1e0),
171  + (3.0e0,6.0e0), (-0.6e0,0.1e0), (4.0e0,7.0e0),
172  + (0.1e0,-0.3e0), (7.0e0,2.0e0), (7.0e0,2.0e0),
173  + (7.0e0,2.0e0), (0.3e0,0.1e0), (5.0e0,8.0e0),
174  + (0.5e0,0.0e0), (6.0e0,9.0e0), (0.0e0,0.5e0),
175  + (8.0e0,3.0e0), (0.0e0,0.2e0), (9.0e0,4.0e0)/
176  DATA strue2/0.0e0, 0.5e0, 0.6e0, 0.7e0, 0.8e0/
177  DATA strue4/0.0e0, 0.7e0, 1.0e0, 1.3e0, 1.6e0/
178  DATA ((ctrue5(i,j,1),i=1,8),j=1,5)/(0.1e0,0.1e0),
179  + (1.0e0,2.0e0), (1.0e0,2.0e0), (1.0e0,2.0e0),
180  + (1.0e0,2.0e0), (1.0e0,2.0e0), (1.0e0,2.0e0),
181  + (1.0e0,2.0e0), (-0.16e0,-0.37e0), (3.0e0,4.0e0),
182  + (3.0e0,4.0e0), (3.0e0,4.0e0), (3.0e0,4.0e0),
183  + (3.0e0,4.0e0), (3.0e0,4.0e0), (3.0e0,4.0e0),
184  + (-0.17e0,-0.19e0), (0.13e0,-0.39e0),
185  + (5.0e0,6.0e0), (5.0e0,6.0e0), (5.0e0,6.0e0),
186  + (5.0e0,6.0e0), (5.0e0,6.0e0), (5.0e0,6.0e0),
187  + (0.11e0,-0.03e0), (-0.17e0,0.46e0),
188  + (-0.17e0,-0.19e0), (7.0e0,8.0e0), (7.0e0,8.0e0),
189  + (7.0e0,8.0e0), (7.0e0,8.0e0), (7.0e0,8.0e0),
190  + (0.19e0,-0.17e0), (0.20e0,-0.35e0),
191  + (0.35e0,0.20e0), (0.14e0,0.08e0),
192  + (2.0e0,3.0e0), (2.0e0,3.0e0), (2.0e0,3.0e0),
193  + (2.0e0,3.0e0)/
194  DATA ((ctrue5(i,j,2),i=1,8),j=1,5)/(0.1e0,0.1e0),
195  + (4.0e0,5.0e0), (4.0e0,5.0e0), (4.0e0,5.0e0),
196  + (4.0e0,5.0e0), (4.0e0,5.0e0), (4.0e0,5.0e0),
197  + (4.0e0,5.0e0), (-0.16e0,-0.37e0), (6.0e0,7.0e0),
198  + (6.0e0,7.0e0), (6.0e0,7.0e0), (6.0e0,7.0e0),
199  + (6.0e0,7.0e0), (6.0e0,7.0e0), (6.0e0,7.0e0),
200  + (-0.17e0,-0.19e0), (8.0e0,9.0e0),
201  + (0.13e0,-0.39e0), (2.0e0,5.0e0), (2.0e0,5.0e0),
202  + (2.0e0,5.0e0), (2.0e0,5.0e0), (2.0e0,5.0e0),
203  + (0.11e0,-0.03e0), (3.0e0,6.0e0),
204  + (-0.17e0,0.46e0), (4.0e0,7.0e0),
205  + (-0.17e0,-0.19e0), (7.0e0,2.0e0), (7.0e0,2.0e0),
206  + (7.0e0,2.0e0), (0.19e0,-0.17e0), (5.0e0,8.0e0),
207  + (0.20e0,-0.35e0), (6.0e0,9.0e0),
208  + (0.35e0,0.20e0), (8.0e0,3.0e0),
209  + (0.14e0,0.08e0), (9.0e0,4.0e0)/
210  DATA ((ctrue6(i,j,1),i=1,8),j=1,5)/(0.1e0,0.1e0),
211  + (1.0e0,2.0e0), (1.0e0,2.0e0), (1.0e0,2.0e0),
212  + (1.0e0,2.0e0), (1.0e0,2.0e0), (1.0e0,2.0e0),
213  + (1.0e0,2.0e0), (0.09e0,-0.12e0), (3.0e0,4.0e0),
214  + (3.0e0,4.0e0), (3.0e0,4.0e0), (3.0e0,4.0e0),
215  + (3.0e0,4.0e0), (3.0e0,4.0e0), (3.0e0,4.0e0),
216  + (0.03e0,-0.09e0), (0.15e0,-0.03e0),
217  + (5.0e0,6.0e0), (5.0e0,6.0e0), (5.0e0,6.0e0),
218  + (5.0e0,6.0e0), (5.0e0,6.0e0), (5.0e0,6.0e0),
219  + (0.03e0,0.03e0), (-0.18e0,0.03e0),
220  + (0.03e0,-0.09e0), (7.0e0,8.0e0), (7.0e0,8.0e0),
221  + (7.0e0,8.0e0), (7.0e0,8.0e0), (7.0e0,8.0e0),
222  + (0.09e0,0.03e0), (0.15e0,0.00e0),
223  + (0.00e0,0.15e0), (0.00e0,0.06e0), (2.0e0,3.0e0),
224  + (2.0e0,3.0e0), (2.0e0,3.0e0), (2.0e0,3.0e0)/
225  DATA ((ctrue6(i,j,2),i=1,8),j=1,5)/(0.1e0,0.1e0),
226  + (4.0e0,5.0e0), (4.0e0,5.0e0), (4.0e0,5.0e0),
227  + (4.0e0,5.0e0), (4.0e0,5.0e0), (4.0e0,5.0e0),
228  + (4.0e0,5.0e0), (0.09e0,-0.12e0), (6.0e0,7.0e0),
229  + (6.0e0,7.0e0), (6.0e0,7.0e0), (6.0e0,7.0e0),
230  + (6.0e0,7.0e0), (6.0e0,7.0e0), (6.0e0,7.0e0),
231  + (0.03e0,-0.09e0), (8.0e0,9.0e0),
232  + (0.15e0,-0.03e0), (2.0e0,5.0e0), (2.0e0,5.0e0),
233  + (2.0e0,5.0e0), (2.0e0,5.0e0), (2.0e0,5.0e0),
234  + (0.03e0,0.03e0), (3.0e0,6.0e0),
235  + (-0.18e0,0.03e0), (4.0e0,7.0e0),
236  + (0.03e0,-0.09e0), (7.0e0,2.0e0), (7.0e0,2.0e0),
237  + (7.0e0,2.0e0), (0.09e0,0.03e0), (5.0e0,8.0e0),
238  + (0.15e0,0.00e0), (6.0e0,9.0e0), (0.00e0,0.15e0),
239  + (8.0e0,3.0e0), (0.00e0,0.06e0), (9.0e0,4.0e0)/
240  DATA itrue3/0, 1, 2, 2, 2/
241 * .. Executable Statements ..
242  DO 60 incx = 1, 2
243  DO 40 np1 = 1, 5
244  n = np1 - 1
245  len = 2*max(n,1)
246 * .. Set vector arguments ..
247  DO 20 i = 1, len
248  cx(i) = cv(i,np1,incx)
249  20 CONTINUE
250  IF (icase.EQ.6) THEN
251 * .. SCNRM2 ..
252  CALL stest1(scnrm2(n,cx,incx),strue2(np1),strue2(np1),
253  + sfac)
254  ELSE IF (icase.EQ.7) THEN
255 * .. SCASUM ..
256  CALL stest1(scasum(n,cx,incx),strue4(np1),strue4(np1),
257  + sfac)
258  ELSE IF (icase.EQ.8) THEN
259 * .. CSCAL ..
260  CALL cscal(n,ca,cx,incx)
261  CALL ctest(len,cx,ctrue5(1,np1,incx),ctrue5(1,np1,incx),
262  + sfac)
263  ELSE IF (icase.EQ.9) THEN
264 * .. CSSCAL ..
265  CALL csscal(n,sa,cx,incx)
266  CALL ctest(len,cx,ctrue6(1,np1,incx),ctrue6(1,np1,incx),
267  + sfac)
268  ELSE IF (icase.EQ.10) THEN
269 * .. ICAMAX ..
270  CALL itest1(icamax(n,cx,incx),itrue3(np1))
271  ELSE
272  WRITE (nout,*) ' Shouldn''t be here in CHECK1'
273  stop
274  END IF
275 *
276  40 CONTINUE
277  60 CONTINUE
278 *
279  incx = 1
280  IF (icase.EQ.8) THEN
281 * CSCAL
282 * Add a test for alpha equal to zero.
283  ca = (0.0e0,0.0e0)
284  DO 80 i = 1, 5
285  mwpct(i) = (0.0e0,0.0e0)
286  mwpcs(i) = (1.0e0,1.0e0)
287  80 CONTINUE
288  CALL cscal(5,ca,cx,incx)
289  CALL ctest(5,cx,mwpct,mwpcs,sfac)
290  ELSE IF (icase.EQ.9) THEN
291 * CSSCAL
292 * Add a test for alpha equal to zero.
293  sa = 0.0e0
294  DO 100 i = 1, 5
295  mwpct(i) = (0.0e0,0.0e0)
296  mwpcs(i) = (1.0e0,1.0e0)
297  100 CONTINUE
298  CALL csscal(5,sa,cx,incx)
299  CALL ctest(5,cx,mwpct,mwpcs,sfac)
300 * Add a test for alpha equal to one.
301  sa = 1.0e0
302  DO 120 i = 1, 5
303  mwpct(i) = cx(i)
304  mwpcs(i) = cx(i)
305  120 CONTINUE
306  CALL csscal(5,sa,cx,incx)
307  CALL ctest(5,cx,mwpct,mwpcs,sfac)
308 * Add a test for alpha equal to minus one.
309  sa = -1.0e0
310  DO 140 i = 1, 5
311  mwpct(i) = -cx(i)
312  mwpcs(i) = -cx(i)
313  140 CONTINUE
314  CALL csscal(5,sa,cx,incx)
315  CALL ctest(5,cx,mwpct,mwpcs,sfac)
316  END IF
317  RETURN
318  END
319  SUBROUTINE check2(SFAC)
320 * .. Parameters ..
321  INTEGER nout
322  parameter(nout=6)
323 * .. Scalar Arguments ..
324  REAL sfac
325 * .. Scalars in Common ..
326  INTEGER icase, incx, incy, mode, n
327  LOGICAL pass
328 * .. Local Scalars ..
329  COMPLEX ca
330  INTEGER i, j, ki, kn, ksize, lenx, leny, mx, my
331 * .. Local Arrays ..
332  COMPLEX cdot(1), csize1(4), csize2(7,2), csize3(14),
333  + ct10x(7,4,4), ct10y(7,4,4), ct6(4,4), ct7(4,4),
334  + ct8(7,4,4), cx(7), cx1(7), cy(7), cy1(7)
335  INTEGER incxs(4), incys(4), lens(4,2), ns(4)
336 * .. External Functions ..
337  COMPLEX cdotc, cdotu
338  EXTERNAL cdotc, cdotu
339 * .. External Subroutines ..
340  EXTERNAL caxpy, ccopy, cswap, ctest
341 * .. Intrinsic Functions ..
342  INTRINSIC abs, min
343 * .. Common blocks ..
344  COMMON /combla/icase, n, incx, incy, mode, pass
345 * .. Data statements ..
346  DATA ca/(0.4e0,-0.7e0)/
347  DATA incxs/1, 2, -2, -1/
348  DATA incys/1, -2, 1, -2/
349  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
350  DATA ns/0, 1, 2, 4/
351  DATA cx1/(0.7e0,-0.8e0), (-0.4e0,-0.7e0),
352  + (-0.1e0,-0.9e0), (0.2e0,-0.8e0),
353  + (-0.9e0,-0.4e0), (0.1e0,0.4e0), (-0.6e0,0.6e0)/
354  DATA cy1/(0.6e0,-0.6e0), (-0.9e0,0.5e0),
355  + (0.7e0,-0.6e0), (0.1e0,-0.5e0), (-0.1e0,-0.2e0),
356  + (-0.5e0,-0.3e0), (0.8e0,-0.7e0)/
357  DATA ((ct8(i,j,1),i=1,7),j=1,4)/(0.6e0,-0.6e0),
358  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
359  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
360  + (0.32e0,-1.41e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
361  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
362  + (0.0e0,0.0e0), (0.32e0,-1.41e0),
363  + (-1.55e0,0.5e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
364  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
365  + (0.32e0,-1.41e0), (-1.55e0,0.5e0),
366  + (0.03e0,-0.89e0), (-0.38e0,-0.96e0),
367  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0)/
368  DATA ((ct8(i,j,2),i=1,7),j=1,4)/(0.6e0,-0.6e0),
369  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
370  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
371  + (0.32e0,-1.41e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
372  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
373  + (0.0e0,0.0e0), (-0.07e0,-0.89e0),
374  + (-0.9e0,0.5e0), (0.42e0,-1.41e0), (0.0e0,0.0e0),
375  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
376  + (0.78e0,0.06e0), (-0.9e0,0.5e0),
377  + (0.06e0,-0.13e0), (0.1e0,-0.5e0),
378  + (-0.77e0,-0.49e0), (-0.5e0,-0.3e0),
379  + (0.52e0,-1.51e0)/
380  DATA ((ct8(i,j,3),i=1,7),j=1,4)/(0.6e0,-0.6e0),
381  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
382  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
383  + (0.32e0,-1.41e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
384  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
385  + (0.0e0,0.0e0), (-0.07e0,-0.89e0),
386  + (-1.18e0,-0.31e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
387  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
388  + (0.78e0,0.06e0), (-1.54e0,0.97e0),
389  + (0.03e0,-0.89e0), (-0.18e0,-1.31e0),
390  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0)/
391  DATA ((ct8(i,j,4),i=1,7),j=1,4)/(0.6e0,-0.6e0),
392  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
393  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
394  + (0.32e0,-1.41e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
395  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
396  + (0.0e0,0.0e0), (0.32e0,-1.41e0), (-0.9e0,0.5e0),
397  + (0.05e0,-0.6e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
398  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.32e0,-1.41e0),
399  + (-0.9e0,0.5e0), (0.05e0,-0.6e0), (0.1e0,-0.5e0),
400  + (-0.77e0,-0.49e0), (-0.5e0,-0.3e0),
401  + (0.32e0,-1.16e0)/
402  DATA ct7/(0.0e0,0.0e0), (-0.06e0,-0.90e0),
403  + (0.65e0,-0.47e0), (-0.34e0,-1.22e0),
404  + (0.0e0,0.0e0), (-0.06e0,-0.90e0),
405  + (-0.59e0,-1.46e0), (-1.04e0,-0.04e0),
406  + (0.0e0,0.0e0), (-0.06e0,-0.90e0),
407  + (-0.83e0,0.59e0), (0.07e0,-0.37e0),
408  + (0.0e0,0.0e0), (-0.06e0,-0.90e0),
409  + (-0.76e0,-1.15e0), (-1.33e0,-1.82e0)/
410  DATA ct6/(0.0e0,0.0e0), (0.90e0,0.06e0),
411  + (0.91e0,-0.77e0), (1.80e0,-0.10e0),
412  + (0.0e0,0.0e0), (0.90e0,0.06e0), (1.45e0,0.74e0),
413  + (0.20e0,0.90e0), (0.0e0,0.0e0), (0.90e0,0.06e0),
414  + (-0.55e0,0.23e0), (0.83e0,-0.39e0),
415  + (0.0e0,0.0e0), (0.90e0,0.06e0), (1.04e0,0.79e0),
416  + (1.95e0,1.22e0)/
417  DATA ((ct10x(i,j,1),i=1,7),j=1,4)/(0.7e0,-0.8e0),
418  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
419  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
420  + (0.6e0,-0.6e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
421  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
422  + (0.0e0,0.0e0), (0.6e0,-0.6e0), (-0.9e0,0.5e0),
423  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
424  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.6e0,-0.6e0),
425  + (-0.9e0,0.5e0), (0.7e0,-0.6e0), (0.1e0,-0.5e0),
426  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0)/
427  DATA ((ct10x(i,j,2),i=1,7),j=1,4)/(0.7e0,-0.8e0),
428  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
429  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
430  + (0.6e0,-0.6e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
431  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
432  + (0.0e0,0.0e0), (0.7e0,-0.6e0), (-0.4e0,-0.7e0),
433  + (0.6e0,-0.6e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
434  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.8e0,-0.7e0),
435  + (-0.4e0,-0.7e0), (-0.1e0,-0.2e0),
436  + (0.2e0,-0.8e0), (0.7e0,-0.6e0), (0.1e0,0.4e0),
437  + (0.6e0,-0.6e0)/
438  DATA ((ct10x(i,j,3),i=1,7),j=1,4)/(0.7e0,-0.8e0),
439  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
440  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
441  + (0.6e0,-0.6e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
442  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
443  + (0.0e0,0.0e0), (-0.9e0,0.5e0), (-0.4e0,-0.7e0),
444  + (0.6e0,-0.6e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
445  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.1e0,-0.5e0),
446  + (-0.4e0,-0.7e0), (0.7e0,-0.6e0), (0.2e0,-0.8e0),
447  + (-0.9e0,0.5e0), (0.1e0,0.4e0), (0.6e0,-0.6e0)/
448  DATA ((ct10x(i,j,4),i=1,7),j=1,4)/(0.7e0,-0.8e0),
449  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
450  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
451  + (0.6e0,-0.6e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
452  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
453  + (0.0e0,0.0e0), (0.6e0,-0.6e0), (0.7e0,-0.6e0),
454  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
455  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.6e0,-0.6e0),
456  + (0.7e0,-0.6e0), (-0.1e0,-0.2e0), (0.8e0,-0.7e0),
457  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0)/
458  DATA ((ct10y(i,j,1),i=1,7),j=1,4)/(0.6e0,-0.6e0),
459  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
460  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
461  + (0.7e0,-0.8e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
462  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
463  + (0.0e0,0.0e0), (0.7e0,-0.8e0), (-0.4e0,-0.7e0),
464  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
465  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.7e0,-0.8e0),
466  + (-0.4e0,-0.7e0), (-0.1e0,-0.9e0),
467  + (0.2e0,-0.8e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
468  + (0.0e0,0.0e0)/
469  DATA ((ct10y(i,j,2),i=1,7),j=1,4)/(0.6e0,-0.6e0),
470  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
471  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
472  + (0.7e0,-0.8e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
473  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
474  + (0.0e0,0.0e0), (-0.1e0,-0.9e0), (-0.9e0,0.5e0),
475  + (0.7e0,-0.8e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
476  + (0.0e0,0.0e0), (0.0e0,0.0e0), (-0.6e0,0.6e0),
477  + (-0.9e0,0.5e0), (-0.9e0,-0.4e0), (0.1e0,-0.5e0),
478  + (-0.1e0,-0.9e0), (-0.5e0,-0.3e0),
479  + (0.7e0,-0.8e0)/
480  DATA ((ct10y(i,j,3),i=1,7),j=1,4)/(0.6e0,-0.6e0),
481  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
482  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
483  + (0.7e0,-0.8e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
484  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
485  + (0.0e0,0.0e0), (-0.1e0,-0.9e0), (0.7e0,-0.8e0),
486  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
487  + (0.0e0,0.0e0), (0.0e0,0.0e0), (-0.6e0,0.6e0),
488  + (-0.9e0,-0.4e0), (-0.1e0,-0.9e0),
489  + (0.7e0,-0.8e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
490  + (0.0e0,0.0e0)/
491  DATA ((ct10y(i,j,4),i=1,7),j=1,4)/(0.6e0,-0.6e0),
492  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
493  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
494  + (0.7e0,-0.8e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
495  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
496  + (0.0e0,0.0e0), (0.7e0,-0.8e0), (-0.9e0,0.5e0),
497  + (-0.4e0,-0.7e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
498  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.7e0,-0.8e0),
499  + (-0.9e0,0.5e0), (-0.4e0,-0.7e0), (0.1e0,-0.5e0),
500  + (-0.1e0,-0.9e0), (-0.5e0,-0.3e0),
501  + (0.2e0,-0.8e0)/
502  DATA csize1/(0.0e0,0.0e0), (0.9e0,0.9e0),
503  + (1.63e0,1.73e0), (2.90e0,2.78e0)/
504  DATA csize3/(0.0e0,0.0e0), (0.0e0,0.0e0),
505  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
506  + (0.0e0,0.0e0), (0.0e0,0.0e0), (1.17e0,1.17e0),
507  + (1.17e0,1.17e0), (1.17e0,1.17e0),
508  + (1.17e0,1.17e0), (1.17e0,1.17e0),
509  + (1.17e0,1.17e0), (1.17e0,1.17e0)/
510  DATA csize2/(0.0e0,0.0e0), (0.0e0,0.0e0),
511  + (0.0e0,0.0e0), (0.0e0,0.0e0), (0.0e0,0.0e0),
512  + (0.0e0,0.0e0), (0.0e0,0.0e0), (1.54e0,1.54e0),
513  + (1.54e0,1.54e0), (1.54e0,1.54e0),
514  + (1.54e0,1.54e0), (1.54e0,1.54e0),
515  + (1.54e0,1.54e0), (1.54e0,1.54e0)/
516 * .. Executable Statements ..
517  DO 60 ki = 1, 4
518  incx = incxs(ki)
519  incy = incys(ki)
520  mx = abs(incx)
521  my = abs(incy)
522 *
523  DO 40 kn = 1, 4
524  n = ns(kn)
525  ksize = min(2,kn)
526  lenx = lens(kn,mx)
527  leny = lens(kn,my)
528 * .. initialize all argument arrays ..
529  DO 20 i = 1, 7
530  cx(i) = cx1(i)
531  cy(i) = cy1(i)
532  20 CONTINUE
533  IF (icase.EQ.1) THEN
534 * .. CDOTC ..
535  cdot(1) = cdotc(n,cx,incx,cy,incy)
536  CALL ctest(1,cdot,ct6(kn,ki),csize1(kn),sfac)
537  ELSE IF (icase.EQ.2) THEN
538 * .. CDOTU ..
539  cdot(1) = cdotu(n,cx,incx,cy,incy)
540  CALL ctest(1,cdot,ct7(kn,ki),csize1(kn),sfac)
541  ELSE IF (icase.EQ.3) THEN
542 * .. CAXPY ..
543  CALL caxpy(n,ca,cx,incx,cy,incy)
544  CALL ctest(leny,cy,ct8(1,kn,ki),csize2(1,ksize),sfac)
545  ELSE IF (icase.EQ.4) THEN
546 * .. CCOPY ..
547  CALL ccopy(n,cx,incx,cy,incy)
548  CALL ctest(leny,cy,ct10y(1,kn,ki),csize3,1.0e0)
549  ELSE IF (icase.EQ.5) THEN
550 * .. CSWAP ..
551  CALL cswap(n,cx,incx,cy,incy)
552  CALL ctest(lenx,cx,ct10x(1,kn,ki),csize3,1.0e0)
553  CALL ctest(leny,cy,ct10y(1,kn,ki),csize3,1.0e0)
554  ELSE
555  WRITE (nout,*) ' Shouldn''t be here in CHECK2'
556  stop
557  END IF
558 *
559  40 CONTINUE
560  60 CONTINUE
561  RETURN
562  END
563  SUBROUTINE stest(LEN,SCOMP,STRUE,SSIZE,SFAC)
564 * ********************************* STEST **************************
565 *
566 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
567 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
568 * NEGLIGIBLE.
569 *
570 * C. L. LAWSON, JPL, 1974 DEC 10
571 *
572 * .. Parameters ..
573  INTEGER nout
574  REAL zero
575  parameter(nout=6, zero=0.0e0)
576 * .. Scalar Arguments ..
577  REAL sfac
578  INTEGER len
579 * .. Array Arguments ..
580  REAL scomp(len), ssize(len), strue(len)
581 * .. Scalars in Common ..
582  INTEGER icase, incx, incy, mode, n
583  LOGICAL pass
584 * .. Local Scalars ..
585  REAL sd
586  INTEGER i
587 * .. External Functions ..
588  REAL sdiff
589  EXTERNAL sdiff
590 * .. Intrinsic Functions ..
591  INTRINSIC abs
592 * .. Common blocks ..
593  COMMON /combla/icase, n, incx, incy, mode, pass
594 * .. Executable Statements ..
595 *
596  DO 40 i = 1, len
597  sd = scomp(i) - strue(i)
598  IF (abs(sfac*sd) .LE. abs(ssize(i))*epsilon(zero))
599  + go to 40
600 *
601 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
602 *
603  IF ( .NOT. pass) go to 20
604 * PRINT FAIL MESSAGE AND HEADER.
605  pass = .false.
606  WRITE (nout,99999)
607  WRITE (nout,99998)
608  20 WRITE (nout,99997) icase, n, incx, incy, mode, i, scomp(i),
609  + strue(i), sd, ssize(i)
610  40 CONTINUE
611  RETURN
612 *
613 99999 FORMAT (' FAIL')
614 99998 FORMAT (/' CASE N INCX INCY MODE I ',
615  + ' COMP(I) TRUE(I) DIFFERENCE',
616  + ' SIZE(I)',/1x)
617 99997 FORMAT (1x,i4,i3,3i5,i3,2e36.8,2e12.4)
618  END
619  SUBROUTINE stest1(SCOMP1,STRUE1,SSIZE,SFAC)
620 * ************************* STEST1 *****************************
621 *
622 * THIS IS AN INTERFACE SUBROUTINE TO ACCOMODATE THE FORTRAN
623 * REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
624 * ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
625 *
626 * C.L. LAWSON, JPL, 1978 DEC 6
627 *
628 * .. Scalar Arguments ..
629  REAL scomp1, sfac, strue1
630 * .. Array Arguments ..
631  REAL ssize(*)
632 * .. Local Arrays ..
633  REAL scomp(1), strue(1)
634 * .. External Subroutines ..
635  EXTERNAL stest
636 * .. Executable Statements ..
637 *
638  scomp(1) = scomp1
639  strue(1) = strue1
640  CALL stest(1,scomp,strue,ssize,sfac)
641 *
642  RETURN
643  END
644  REAL FUNCTION sdiff(SA,SB)
645 * ********************************* SDIFF **************************
646 * COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
647 *
648 * .. Scalar Arguments ..
649  REAL sa, sb
650 * .. Executable Statements ..
651  sdiff = sa - sb
652  RETURN
653  END
654  SUBROUTINE ctest(LEN,CCOMP,CTRUE,CSIZE,SFAC)
655 * **************************** CTEST *****************************
656 *
657 * C.L. LAWSON, JPL, 1978 DEC 6
658 *
659 * .. Scalar Arguments ..
660  REAL sfac
661  INTEGER len
662 * .. Array Arguments ..
663  COMPLEX ccomp(len), csize(len), ctrue(len)
664 * .. Local Scalars ..
665  INTEGER i
666 * .. Local Arrays ..
667  REAL scomp(20), ssize(20), strue(20)
668 * .. External Subroutines ..
669  EXTERNAL stest
670 * .. Intrinsic Functions ..
671  INTRINSIC aimag, real
672 * .. Executable Statements ..
673  DO 20 i = 1, len
674  scomp(2*i-1) = REAL(ccomp(i))
675  scomp(2*i) = aimag(ccomp(i))
676  strue(2*i-1) = REAL(ctrue(i))
677  strue(2*i) = aimag(ctrue(i))
678  ssize(2*i-1) = REAL(csize(i))
679  ssize(2*i) = aimag(csize(i))
680  20 CONTINUE
681 *
682  CALL stest(2*len,scomp,strue,ssize,sfac)
683  RETURN
684  END
685  SUBROUTINE itest1(ICOMP,ITRUE)
686 * ********************************* ITEST1 *************************
687 *
688 * THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
689 * EQUALITY.
690 * C. L. LAWSON, JPL, 1974 DEC 10
691 *
692 * .. Parameters ..
693  INTEGER nout
694  parameter(nout=6)
695 * .. Scalar Arguments ..
696  INTEGER icomp, itrue
697 * .. Scalars in Common ..
698  INTEGER icase, incx, incy, mode, n
699  LOGICAL pass
700 * .. Local Scalars ..
701  INTEGER id
702 * .. Common blocks ..
703  COMMON /combla/icase, n, incx, incy, mode, pass
704 * .. Executable Statements ..
705  IF (icomp.EQ.itrue) go to 40
706 *
707 * HERE ICOMP IS NOT EQUAL TO ITRUE.
708 *
709  IF ( .NOT. pass) go to 20
710 * PRINT FAIL MESSAGE AND HEADER.
711  pass = .false.
712  WRITE (nout,99999)
713  WRITE (nout,99998)
714  20 id = icomp - itrue
715  WRITE (nout,99997) icase, n, incx, incy, mode, icomp, itrue, id
716  40 CONTINUE
717  RETURN
718 *
719 99999 FORMAT (' FAIL')
720 99998 FORMAT (/' CASE N INCX INCY MODE ',
721  + ' COMP TRUE DIFFERENCE',
722  + /1x)
723 99997 FORMAT (1x,i4,i3,3i5,2i36,i12)
724  END