LAPACK  3.9.1
LAPACK: Linear Algebra PACKage
sblat1.f
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1 *> \brief \b SBLAT1
2 *
3 * =========== DOCUMENTATION ===========
4 *
5 * Online html documentation available at
6 * http://www.netlib.org/lapack/explore-html/
7 *
8 * Definition:
9 * ===========
10 *
11 * PROGRAM SBLAT1
12 *
13 *
14 *> \par Purpose:
15 * =============
16 *>
17 *> \verbatim
18 *>
19 *> Test program for the REAL Level 1 BLAS.
20 *>
21 *> Based upon the original BLAS test routine together with:
22 *> F06EAF Example Program Text
23 *> \endverbatim
24 *
25 * Authors:
26 * ========
27 *
28 *> \author Univ. of Tennessee
29 *> \author Univ. of California Berkeley
30 *> \author Univ. of Colorado Denver
31 *> \author NAG Ltd.
32 *
33 *> \ingroup single_blas_testing
34 *
35 * =====================================================================
36  PROGRAM sblat1
37 *
38 * -- Reference BLAS test routine --
39 * -- Reference BLAS is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 *
42 * =====================================================================
43 *
44 * .. Parameters ..
45  INTEGER nout
46  parameter(nout=6)
47 * .. Scalars in Common ..
48  INTEGER icase, incx, incy, n
49  LOGICAL pass
50 * .. Local Scalars ..
51  REAL sfac
52  INTEGER ic
53 * .. External Subroutines ..
54  EXTERNAL check0, check1, check2, check3, header
55 * .. Common blocks ..
56  COMMON /combla/icase, n, incx, incy, pass
57 * .. Data statements ..
58  DATA sfac/9.765625e-4/
59 * .. Executable Statements ..
60  WRITE (nout,99999)
61  DO 20 ic = 1, 13
62  icase = ic
63  CALL header
64 *
65 * .. Initialize PASS, INCX, and INCY for a new case. ..
66 * .. the value 9999 for INCX or INCY will appear in the ..
67 * .. detailed output, if any, for cases that do not involve ..
68 * .. these parameters ..
69 *
70  pass = .true.
71  incx = 9999
72  incy = 9999
73  IF (icase.EQ.3 .OR. icase.EQ.11) THEN
74  CALL check0(sfac)
75  ELSE IF (icase.EQ.7 .OR. icase.EQ.8 .OR. icase.EQ.9 .OR.
76  + icase.EQ.10) THEN
77  CALL check1(sfac)
78  ELSE IF (icase.EQ.1 .OR. icase.EQ.2 .OR. icase.EQ.5 .OR.
79  + icase.EQ.6 .OR. icase.EQ.12 .OR. icase.EQ.13) THEN
80  CALL check2(sfac)
81  ELSE IF (icase.EQ.4) THEN
82  CALL check3(sfac)
83  END IF
84 * -- Print
85  IF (pass) WRITE (nout,99998)
86  20 CONTINUE
87  stop
88 *
89 99999 FORMAT (' Real BLAS Test Program Results',/1x)
90 99998 FORMAT (' ----- PASS -----')
91  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)/' SDOT '/
105  DATA l(2)/'SAXPY '/
106  DATA l(3)/'SROTG '/
107  DATA l(4)/' SROT '/
108  DATA l(5)/'SCOPY '/
109  DATA l(6)/'SSWAP '/
110  DATA l(7)/'SNRM2 '/
111  DATA l(8)/'SASUM '/
112  DATA l(9)/'SSCAL '/
113  DATA l(10)/'ISAMAX'/
114  DATA l(11)/'SROTMG'/
115  DATA l(12)/'SROTM '/
116  DATA l(13)/'SDSDOT'/
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  REAL SFAC
129 * .. Scalars in Common ..
130  INTEGER ICASE, INCX, INCY, N
131  LOGICAL PASS
132 * .. Local Scalars ..
133  REAL D12, SA, SB, SC, SS
134  INTEGER I, K
135 * .. Local Arrays ..
136  REAL 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 srotg, srotmg, stest, stest1
140 * .. Common blocks ..
141  COMMON /combla/icase, n, incx, incy, pass
142 * .. Data statements ..
143  DATA da1/0.3e0, 0.4e0, -0.3e0, -0.4e0, -0.3e0, 0.0e0,
144  + 0.0e0, 1.0e0/
145  DATA db1/0.4e0, 0.3e0, 0.4e0, 0.3e0, -0.4e0, 0.0e0,
146  + 1.0e0, 0.0e0/
147  DATA dc1/0.6e0, 0.8e0, -0.6e0, 0.8e0, 0.6e0, 1.0e0,
148  + 0.0e0, 1.0e0/
149  DATA ds1/0.8e0, 0.6e0, 0.8e0, -0.6e0, 0.8e0, 0.0e0,
150  + 1.0e0, 0.0e0/
151  DATA datrue/0.5e0, 0.5e0, 0.5e0, -0.5e0, -0.5e0,
152  + 0.0e0, 1.0e0, 1.0e0/
153  DATA dbtrue/0.0e0, 0.6e0, 0.0e0, -0.6e0, 0.0e0,
154  + 0.0e0, 1.0e0, 0.0e0/
155 * INPUT FOR MODIFIED GIVENS
156  DATA dab/ .1e0,.3e0,1.2e0,.2e0,
157  a .7e0, .2e0, .6e0, 4.2e0,
158  b 0.e0,0.e0,0.e0,0.e0,
159  c 4.e0, -1.e0, 2.e0, 4.e0,
160  d 6.e-10, 2.e-2, 1.e5, 10.e0,
161  e 4.e10, 2.e-2, 1.e-5, 10.e0,
162  f 2.e-10, 4.e-2, 1.e5, 10.e0,
163  g 2.e10, 4.e-2, 1.e-5, 10.e0,
164  h 4.e0, -2.e0, 8.e0, 4.e0 /
165 * TRUE RESULTS FOR MODIFIED GIVENS
166  DATA dtrue/0.e0,0.e0, 1.3e0, .2e0, 0.e0,0.e0,0.e0, .5e0, 0.e0,
167  a 0.e0,0.e0, 4.5e0, 4.2e0, 1.e0, .5e0, 0.e0,0.e0,0.e0,
168  b 0.e0,0.e0,0.e0,0.e0, -2.e0, 0.e0,0.e0,0.e0,0.e0,
169  c 0.e0,0.e0,0.e0, 4.e0, -1.e0, 0.e0,0.e0,0.e0,0.e0,
170  d 0.e0, 15.e-3, 0.e0, 10.e0, -1.e0, 0.e0, -1.e-4,
171  e 0.e0, 1.e0,
172  f 0.e0,0.e0, 6144.e-5, 10.e0, -1.e0, 4096.e0, -1.e6,
173  g 0.e0, 1.e0,
174  h 0.e0,0.e0,15.e0,10.e0,-1.e0, 5.e-5, 0.e0,1.e0,0.e0,
175  i 0.e0,0.e0, 15.e0, 10.e0, -1. e0, 5.e5, -4096.e0,
176  j 1.e0, 4096.e-6,
177  k 0.e0,0.e0, 7.e0, 4.e0, 0.e0,0.e0, -.5e0, -.25e0, 0.e0/
178 * 4096 = 2 ** 12
179  DATA d12 /4096.e0/
180  dtrue(1,1) = 12.e0 / 130.e0
181  dtrue(2,1) = 36.e0 / 130.e0
182  dtrue(7,1) = -1.e0 / 6.e0
183  dtrue(1,2) = 14.e0 / 75.e0
184  dtrue(2,2) = 49.e0 / 75.e0
185  dtrue(9,2) = 1.e0 / 7.e0
186  dtrue(1,5) = 45.e-11 * (d12 * d12)
187  dtrue(3,5) = 4.e5 / (3.e0 * d12)
188  dtrue(6,5) = 1.e0 / d12
189  dtrue(8,5) = 1.e4 / (3.e0 * d12)
190  dtrue(1,6) = 4.e10 / (1.5e0 * d12 * d12)
191  dtrue(2,6) = 2.e-2 / 1.5e0
192  dtrue(8,6) = 5.e-7 * d12
193  dtrue(1,7) = 4.e0 / 150.e0
194  dtrue(2,7) = (2.e-10 / 1.5e0) * (d12 * d12)
195  dtrue(7,7) = -dtrue(6,5)
196  dtrue(9,7) = 1.e4 / d12
197  dtrue(1,8) = dtrue(1,7)
198  dtrue(2,8) = 2.e10 / (1.5e0 * d12 * d12)
199  dtrue(1,9) = 32.e0 / 7.e0
200  dtrue(2,9) = -16.e0 / 7.e0
201 * .. Executable Statements ..
202 *
203 * Compute true values which cannot be prestored
204 * in decimal notation
205 *
206  dbtrue(1) = 1.0e0/0.6e0
207  dbtrue(3) = -1.0e0/0.6e0
208  dbtrue(5) = 1.0e0/0.6e0
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 * .. SROTG ..
215  IF (k.GT.8) GO TO 40
216  sa = da1(k)
217  sb = db1(k)
218  CALL srotg(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 * .. SROTMG ..
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 srotmg(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  REAL 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  REAL 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  REAL SASUM, SNRM2
257  INTEGER ISAMAX
258  EXTERNAL sasum, snrm2, isamax
259 * .. External Subroutines ..
260  EXTERNAL itest1, sscal, 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/0.3e0, -1.0e0, 0.0e0, 1.0e0, 0.3e0, 0.3e0,
267  + 0.3e0, 0.3e0, 0.3e0, 0.3e0/
268  DATA dv/0.1e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0,
269  + 2.0e0, 2.0e0, 0.3e0, 3.0e0, 3.0e0, 3.0e0, 3.0e0,
270  + 3.0e0, 3.0e0, 3.0e0, 0.3e0, -0.4e0, 4.0e0,
271  + 4.0e0, 4.0e0, 4.0e0, 4.0e0, 4.0e0, 0.2e0,
272  + -0.6e0, 0.3e0, 5.0e0, 5.0e0, 5.0e0, 5.0e0,
273  + 5.0e0, 0.1e0, -0.3e0, 0.5e0, -0.1e0, 6.0e0,
274  + 6.0e0, 6.0e0, 6.0e0, 0.1e0, 8.0e0, 8.0e0, 8.0e0,
275  + 8.0e0, 8.0e0, 8.0e0, 8.0e0, 0.3e0, 9.0e0, 9.0e0,
276  + 9.0e0, 9.0e0, 9.0e0, 9.0e0, 9.0e0, 0.3e0, 2.0e0,
277  + -0.4e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0,
278  + 0.2e0, 3.0e0, -0.6e0, 5.0e0, 0.3e0, 2.0e0,
279  + 2.0e0, 2.0e0, 0.1e0, 4.0e0, -0.3e0, 6.0e0,
280  + -0.5e0, 7.0e0, -0.1e0, 3.0e0/
281  DATA dvr/8.0e0, -7.0e0, 9.0e0, 5.0e0, 9.0e0, 8.0e0,
282  + 7.0e0, 7.0e0/
283  DATA dtrue1/0.0e0, 0.3e0, 0.5e0, 0.7e0, 0.6e0/
284  DATA dtrue3/0.0e0, 0.3e0, 0.7e0, 1.1e0, 1.0e0/
285  DATA dtrue5/0.10e0, 2.0e0, 2.0e0, 2.0e0, 2.0e0,
286  + 2.0e0, 2.0e0, 2.0e0, -0.3e0, 3.0e0, 3.0e0,
287  + 3.0e0, 3.0e0, 3.0e0, 3.0e0, 3.0e0, 0.0e0, 0.0e0,
288  + 4.0e0, 4.0e0, 4.0e0, 4.0e0, 4.0e0, 4.0e0,
289  + 0.20e0, -0.60e0, 0.30e0, 5.0e0, 5.0e0, 5.0e0,
290  + 5.0e0, 5.0e0, 0.03e0, -0.09e0, 0.15e0, -0.03e0,
291  + 6.0e0, 6.0e0, 6.0e0, 6.0e0, 0.10e0, 8.0e0,
292  + 8.0e0, 8.0e0, 8.0e0, 8.0e0, 8.0e0, 8.0e0,
293  + 0.09e0, 9.0e0, 9.0e0, 9.0e0, 9.0e0, 9.0e0,
294  + 9.0e0, 9.0e0, 0.09e0, 2.0e0, -0.12e0, 2.0e0,
295  + 2.0e0, 2.0e0, 2.0e0, 2.0e0, 0.06e0, 3.0e0,
296  + -0.18e0, 5.0e0, 0.09e0, 2.0e0, 2.0e0, 2.0e0,
297  + 0.03e0, 4.0e0, -0.09e0, 6.0e0, -0.15e0, 7.0e0,
298  + -0.03e0, 3.0e0/
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 * .. SNRM2 ..
313  stemp(1) = dtrue1(np1)
314  CALL stest1(snrm2(n,sx,incx),stemp(1),stemp,sfac)
315  ELSE IF (icase.EQ.8) THEN
316 * .. SASUM ..
317  stemp(1) = dtrue3(np1)
318  CALL stest1(sasum(n,sx,incx),stemp(1),stemp,sfac)
319  ELSE IF (icase.EQ.9) THEN
320 * .. SSCAL ..
321  CALL sscal(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 * .. ISAMAX ..
328  CALL itest1(isamax(n,sx,incx),itrue2(np1))
329  DO 100 i = 1, len
330  sx(i) = 42.0e0
331  100 CONTINUE
332  CALL itest1(isamax(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(isamax(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  REAL SFAC
356 * .. Scalars in Common ..
357  INTEGER ICASE, INCX, INCY, N
358  LOGICAL PASS
359 * .. Local Scalars ..
360  REAL SA
361  INTEGER I, J, KI, KN, KNI, KPAR, KSIZE, LENX, LENY,
362  $ LINCX, LINCY, MX, MY
363 * .. Local Arrays ..
364  REAL 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), SSIZE3(4),
367  $ SSIZE(7), 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  $ ST7B(4,4), STY0(1), SX0(1), SY0(1)
373  INTEGER INCXS(4), INCYS(4), LENS(4,2), NS(4)
374 * .. External Functions ..
375  REAL SDOT, SDSDOT
376  EXTERNAL sdot, sdsdot
377 * .. External Subroutines ..
378  EXTERNAL saxpy, scopy, srotm, sswap, stest, stest1
379 * .. Intrinsic Functions ..
380  INTRINSIC abs, min
381 * .. Common blocks ..
382  COMMON /combla/icase, n, incx, incy, pass
383 * .. Data statements ..
384  equivalence(dt19x(1,1,1),dt19xa(1,1,1)),(dt19x(1,1,5),
385  a dt19xb(1,1,1)),(dt19x(1,1,9),dt19xc(1,1,1)),
386  b (dt19x(1,1,13),dt19xd(1,1,1))
387  equivalence(dt19y(1,1,1),dt19ya(1,1,1)),(dt19y(1,1,5),
388  a dt19yb(1,1,1)),(dt19y(1,1,9),dt19yc(1,1,1)),
389  b (dt19y(1,1,13),dt19yd(1,1,1))
390 
391  DATA sa/0.3e0/
392  DATA incxs/1, 2, -2, -1/
393  DATA incys/1, -2, 1, -2/
394  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
395  DATA ns/0, 1, 2, 4/
396  DATA dx1/0.6e0, 0.1e0, -0.5e0, 0.8e0, 0.9e0, -0.3e0,
397  + -0.4e0/
398  DATA dy1/0.5e0, -0.9e0, 0.3e0, 0.7e0, -0.6e0, 0.2e0,
399  + 0.8e0/
400  DATA dt7/0.0e0, 0.30e0, 0.21e0, 0.62e0, 0.0e0,
401  + 0.30e0, -0.07e0, 0.85e0, 0.0e0, 0.30e0, -0.79e0,
402  + -0.74e0, 0.0e0, 0.30e0, 0.33e0, 1.27e0/
403  DATA st7b/ .1, .4, .31, .72, .1, .4, .03, .95,
404  + .1, .4, -.69, -.64, .1, .4, .43, 1.37/
405  DATA dt8/0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
406  + 0.0e0, 0.68e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
407  + 0.0e0, 0.0e0, 0.68e0, -0.87e0, 0.0e0, 0.0e0,
408  + 0.0e0, 0.0e0, 0.0e0, 0.68e0, -0.87e0, 0.15e0,
409  + 0.94e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0,
410  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.68e0,
411  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
412  + 0.35e0, -0.9e0, 0.48e0, 0.0e0, 0.0e0, 0.0e0,
413  + 0.0e0, 0.38e0, -0.9e0, 0.57e0, 0.7e0, -0.75e0,
414  + 0.2e0, 0.98e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0,
415  + 0.0e0, 0.0e0, 0.0e0, 0.68e0, 0.0e0, 0.0e0,
416  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.35e0, -0.72e0,
417  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.38e0,
418  + -0.63e0, 0.15e0, 0.88e0, 0.0e0, 0.0e0, 0.0e0,
419  + 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
420  + 0.68e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
421  + 0.0e0, 0.68e0, -0.9e0, 0.33e0, 0.0e0, 0.0e0,
422  + 0.0e0, 0.0e0, 0.68e0, -0.9e0, 0.33e0, 0.7e0,
423  + -0.75e0, 0.2e0, 1.04e0/
424  DATA dt10x/0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
425  + 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
426  + 0.0e0, 0.5e0, -0.9e0, 0.0e0, 0.0e0, 0.0e0,
427  + 0.0e0, 0.0e0, 0.5e0, -0.9e0, 0.3e0, 0.7e0,
428  + 0.0e0, 0.0e0, 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0,
429  + 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0,
430  + 0.0e0, 0.0e0, 0.0e0, 0.3e0, 0.1e0, 0.5e0, 0.0e0,
431  + 0.0e0, 0.0e0, 0.0e0, 0.8e0, 0.1e0, -0.6e0,
432  + 0.8e0, 0.3e0, -0.3e0, 0.5e0, 0.6e0, 0.0e0,
433  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0,
434  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, -0.9e0,
435  + 0.1e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.7e0,
436  + 0.1e0, 0.3e0, 0.8e0, -0.9e0, -0.3e0, 0.5e0,
437  + 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
438  + 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
439  + 0.5e0, 0.3e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
440  + 0.5e0, 0.3e0, -0.6e0, 0.8e0, 0.0e0, 0.0e0,
441  + 0.0e0/
442  DATA dt10y/0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
443  + 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
444  + 0.0e0, 0.6e0, 0.1e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
445  + 0.0e0, 0.6e0, 0.1e0, -0.5e0, 0.8e0, 0.0e0,
446  + 0.0e0, 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
447  + 0.0e0, 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
448  + 0.0e0, 0.0e0, -0.5e0, -0.9e0, 0.6e0, 0.0e0,
449  + 0.0e0, 0.0e0, 0.0e0, -0.4e0, -0.9e0, 0.9e0,
450  + 0.7e0, -0.5e0, 0.2e0, 0.6e0, 0.5e0, 0.0e0,
451  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.6e0, 0.0e0,
452  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, -0.5e0,
453  + 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
454  + -0.4e0, 0.9e0, -0.5e0, 0.6e0, 0.0e0, 0.0e0,
455  + 0.0e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
456  + 0.0e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
457  + 0.0e0, 0.6e0, -0.9e0, 0.1e0, 0.0e0, 0.0e0,
458  + 0.0e0, 0.0e0, 0.6e0, -0.9e0, 0.1e0, 0.7e0,
459  + -0.5e0, 0.2e0, 0.8e0/
460  DATA ssize1/0.0e0, 0.3e0, 1.6e0, 3.2e0/
461  DATA ssize2/0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
462  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
463  + 0.0e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
464  + 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
465  + 1.17e0, 1.17e0, 1.17e0/
466  DATA ssize3/ .1, .4, 1.7, 3.3 /
467 *
468 * FOR DROTM
469 *
470  DATA dpar/-2.e0, 0.e0,0.e0,0.e0,0.e0,
471  a -1.e0, 2.e0, -3.e0, -4.e0, 5.e0,
472  b 0.e0, 0.e0, 2.e0, -3.e0, 0.e0,
473  c 1.e0, 5.e0, 2.e0, 0.e0, -4.e0/
474 * TRUE X RESULTS F0R ROTATIONS DROTM
475  DATA dt19xa/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
476  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
477  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
478  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
479  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
480  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
481  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
482  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
483  h .6e0, .1e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
484  i -.8e0, 3.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
485  j -.9e0, 2.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
486  k 3.5e0, -.4e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
487  l .6e0, .1e0, -.5e0, .8e0, 0.e0,0.e0,0.e0,
488  m -.8e0, 3.8e0, -2.2e0, -1.2e0, 0.e0,0.e0,0.e0,
489  n -.9e0, 2.8e0, -1.4e0, -1.3e0, 0.e0,0.e0,0.e0,
490  o 3.5e0, -.4e0, -2.2e0, 4.7e0, 0.e0,0.e0,0.e0/
491 *
492  DATA dt19xb/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
493  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
494  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
495  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
496  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
497  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
498  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
499  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
500  h .6e0, .1e0, -.5e0, 0.e0,0.e0,0.e0,0.e0,
501  i 0.e0, .1e0, -3.0e0, 0.e0,0.e0,0.e0,0.e0,
502  j -.3e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
503  k 3.3e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
504  l .6e0, .1e0, -.5e0, .8e0, .9e0, -.3e0, -.4e0,
505  m -2.0e0, .1e0, 1.4e0, .8e0, .6e0, -.3e0, -2.8e0,
506  n -1.8e0, .1e0, 1.3e0, .8e0, 0.e0, -.3e0, -1.9e0,
507  o 3.8e0, .1e0, -3.1e0, .8e0, 4.8e0, -.3e0, -1.5e0 /
508 *
509  DATA dt19xc/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
510  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
511  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
512  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
513  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
514  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
515  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
516  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
517  h .6e0, .1e0, -.5e0, 0.e0,0.e0,0.e0,0.e0,
518  i 4.8e0, .1e0, -3.0e0, 0.e0,0.e0,0.e0,0.e0,
519  j 3.3e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
520  k 2.1e0, .1e0, -2.0e0, 0.e0,0.e0,0.e0,0.e0,
521  l .6e0, .1e0, -.5e0, .8e0, .9e0, -.3e0, -.4e0,
522  m -1.6e0, .1e0, -2.2e0, .8e0, 5.4e0, -.3e0, -2.8e0,
523  n -1.5e0, .1e0, -1.4e0, .8e0, 3.6e0, -.3e0, -1.9e0,
524  o 3.7e0, .1e0, -2.2e0, .8e0, 3.6e0, -.3e0, -1.5e0 /
525 *
526  DATA dt19xd/.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
527  a .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
528  b .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
529  c .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
530  d .6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
531  e -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
532  f -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
533  g 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
534  h .6e0, .1e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
535  i -.8e0, -1.0e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
536  j -.9e0, -.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
537  k 3.5e0, .8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
538  l .6e0, .1e0, -.5e0, .8e0, 0.e0,0.e0,0.e0,
539  m -.8e0, -1.0e0, 1.4e0, -1.6e0, 0.e0,0.e0,0.e0,
540  n -.9e0, -.8e0, 1.3e0, -1.6e0, 0.e0,0.e0,0.e0,
541  o 3.5e0, .8e0, -3.1e0, 4.8e0, 0.e0,0.e0,0.e0/
542 * TRUE Y RESULTS FOR ROTATIONS DROTM
543  DATA dt19ya/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
544  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
545  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
546  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
547  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
548  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
549  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
550  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
551  h .5e0, -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
552  i .7e0, -4.8e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
553  j 1.7e0, -.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
554  k -2.6e0, 3.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
555  l .5e0, -.9e0, .3e0, .7e0, 0.e0,0.e0,0.e0,
556  m .7e0, -4.8e0, 3.0e0, 1.1e0, 0.e0,0.e0,0.e0,
557  n 1.7e0, -.7e0, -.7e0, 2.3e0, 0.e0,0.e0,0.e0,
558  o -2.6e0, 3.5e0, -.7e0, -3.6e0, 0.e0,0.e0,0.e0/
559 *
560  DATA dt19yb/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
561  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
562  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
563  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
564  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
565  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
566  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
567  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
568  h .5e0, -.9e0, .3e0, 0.e0,0.e0,0.e0,0.e0,
569  i 4.0e0, -.9e0, -.3e0, 0.e0,0.e0,0.e0,0.e0,
570  j -.5e0, -.9e0, 1.5e0, 0.e0,0.e0,0.e0,0.e0,
571  k -1.5e0, -.9e0, -1.8e0, 0.e0,0.e0,0.e0,0.e0,
572  l .5e0, -.9e0, .3e0, .7e0, -.6e0, .2e0, .8e0,
573  m 3.7e0, -.9e0, -1.2e0, .7e0, -1.5e0, .2e0, 2.2e0,
574  n -.3e0, -.9e0, 2.1e0, .7e0, -1.6e0, .2e0, 2.0e0,
575  o -1.6e0, -.9e0, -2.1e0, .7e0, 2.9e0, .2e0, -3.8e0 /
576 *
577  DATA dt19yc/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
578  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
579  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
580  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
581  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
582  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
583  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
584  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
585  h .5e0, -.9e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
586  i 4.0e0, -6.3e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
587  j -.5e0, .3e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
588  k -1.5e0, 3.0e0, 0.e0,0.e0,0.e0,0.e0,0.e0,
589  l .5e0, -.9e0, .3e0, .7e0, 0.e0,0.e0,0.e0,
590  m 3.7e0, -7.2e0, 3.0e0, 1.7e0, 0.e0,0.e0,0.e0,
591  n -.3e0, .9e0, -.7e0, 1.9e0, 0.e0,0.e0,0.e0,
592  o -1.6e0, 2.7e0, -.7e0, -3.4e0, 0.e0,0.e0,0.e0/
593 *
594  DATA dt19yd/.5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
595  a .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
596  b .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
597  c .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
598  d .5e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
599  e .7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
600  f 1.7e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
601  g -2.6e0, 0.e0,0.e0,0.e0,0.e0,0.e0,0.e0,
602  h .5e0, -.9e0, .3e0, 0.e0,0.e0,0.e0,0.e0,
603  i .7e0, -.9e0, 1.2e0, 0.e0,0.e0,0.e0,0.e0,
604  j 1.7e0, -.9e0, .5e0, 0.e0,0.e0,0.e0,0.e0,
605  k -2.6e0, -.9e0, -1.3e0, 0.e0,0.e0,0.e0,0.e0,
606  l .5e0, -.9e0, .3e0, .7e0, -.6e0, .2e0, .8e0,
607  m .7e0, -.9e0, 1.2e0, .7e0, -1.5e0, .2e0, 1.6e0,
608  n 1.7e0, -.9e0, .5e0, .7e0, -1.6e0, .2e0, 2.4e0,
609  o -2.6e0, -.9e0, -1.3e0, .7e0, 2.9e0, .2e0, -4.0e0 /
610 *
611 * .. Executable Statements ..
612 *
613  DO 120 ki = 1, 4
614  incx = incxs(ki)
615  incy = incys(ki)
616  mx = abs(incx)
617  my = abs(incy)
618 *
619  DO 100 kn = 1, 4
620  n = ns(kn)
621  ksize = min(2,kn)
622  lenx = lens(kn,mx)
623  leny = lens(kn,my)
624 * .. Initialize all argument arrays ..
625  DO 20 i = 1, 7
626  sx(i) = dx1(i)
627  sy(i) = dy1(i)
628  20 CONTINUE
629 *
630  IF (icase.EQ.1) THEN
631 * .. SDOT ..
632  CALL stest1(sdot(n,sx,incx,sy,incy),dt7(kn,ki),ssize1(kn)
633  + ,sfac)
634  ELSE IF (icase.EQ.2) THEN
635 * .. SAXPY ..
636  CALL saxpy(n,sa,sx,incx,sy,incy)
637  DO 40 j = 1, leny
638  sty(j) = dt8(j,kn,ki)
639  40 CONTINUE
640  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
641  ELSE IF (icase.EQ.5) THEN
642 * .. SCOPY ..
643  DO 60 i = 1, 7
644  sty(i) = dt10y(i,kn,ki)
645  60 CONTINUE
646  CALL scopy(n,sx,incx,sy,incy)
647  CALL stest(leny,sy,sty,ssize2(1,1),1.0e0)
648  IF (ki.EQ.1) THEN
649  sx0(1) = 42.0e0
650  sy0(1) = 43.0e0
651  IF (n.EQ.0) THEN
652  sty0(1) = sy0(1)
653  ELSE
654  sty0(1) = sx0(1)
655  END IF
656  lincx = incx
657  incx = 0
658  lincy = incy
659  incy = 0
660  CALL scopy(n,sx0,incx,sy0,incy)
661  CALL stest(1,sy0,sty0,ssize2(1,1),1.0e0)
662  incx = lincx
663  incy = lincy
664  END IF
665  ELSE IF (icase.EQ.6) THEN
666 * .. SSWAP ..
667  CALL sswap(n,sx,incx,sy,incy)
668  DO 80 i = 1, 7
669  stx(i) = dt10x(i,kn,ki)
670  sty(i) = dt10y(i,kn,ki)
671  80 CONTINUE
672  CALL stest(lenx,sx,stx,ssize2(1,1),1.0e0)
673  CALL stest(leny,sy,sty,ssize2(1,1),1.0e0)
674  ELSEIF (icase.EQ.12) THEN
675 * .. SROTM ..
676  kni=kn+4*(ki-1)
677  DO kpar=1,4
678  DO i=1,7
679  sx(i) = dx1(i)
680  sy(i) = dy1(i)
681  stx(i)= dt19x(i,kpar,kni)
682  sty(i)= dt19y(i,kpar,kni)
683  END DO
684 *
685  DO i=1,5
686  dtemp(i) = dpar(i,kpar)
687  END DO
688 *
689  DO i=1,lenx
690  ssize(i)=stx(i)
691  END DO
692 * SEE REMARK ABOVE ABOUT DT11X(1,2,7)
693 * AND DT11X(5,3,8).
694  IF ((kpar .EQ. 2) .AND. (kni .EQ. 7))
695  $ ssize(1) = 2.4e0
696  IF ((kpar .EQ. 3) .AND. (kni .EQ. 8))
697  $ ssize(5) = 1.8e0
698 *
699  CALL srotm(n,sx,incx,sy,incy,dtemp)
700  CALL stest(lenx,sx,stx,ssize,sfac)
701  CALL stest(leny,sy,sty,sty,sfac)
702  END DO
703  ELSEIF (icase.EQ.13) THEN
704 * .. SDSROT ..
705  CALL stest1 (sdsdot(n,.1,sx,incx,sy,incy),
706  $ st7b(kn,ki),ssize3(kn),sfac)
707  ELSE
708  WRITE (nout,*) ' Shouldn''t be here in CHECK2'
709  stop
710  END IF
711  100 CONTINUE
712  120 CONTINUE
713  RETURN
714  END
715  SUBROUTINE check3(SFAC)
716 * .. Parameters ..
717  INTEGER NOUT
718  parameter(nout=6)
719 * .. Scalar Arguments ..
720  REAL SFAC
721 * .. Scalars in Common ..
722  INTEGER ICASE, INCX, INCY, N
723  LOGICAL PASS
724 * .. Local Scalars ..
725  REAL SC, SS
726  INTEGER I, K, KI, KN, KSIZE, LENX, LENY, MX, MY
727 * .. Local Arrays ..
728  REAL COPYX(5), COPYY(5), DT9X(7,4,4), DT9Y(7,4,4),
729  + DX1(7), DY1(7), MWPC(11), MWPS(11), MWPSTX(5),
730  + MWPSTY(5), MWPTX(11,5), MWPTY(11,5), MWPX(5),
731  + MWPY(5), SSIZE2(14,2), STX(7), STY(7), SX(7),
732  + SY(7)
733  INTEGER INCXS(4), INCYS(4), LENS(4,2), MWPINX(11),
734  + MWPINY(11), MWPN(11), NS(4)
735 * .. External Subroutines ..
736  EXTERNAL srot, stest
737 * .. Intrinsic Functions ..
738  INTRINSIC abs, min
739 * .. Common blocks ..
740  COMMON /combla/icase, n, incx, incy, pass
741 * .. Data statements ..
742  DATA incxs/1, 2, -2, -1/
743  DATA incys/1, -2, 1, -2/
744  DATA lens/1, 1, 2, 4, 1, 1, 3, 7/
745  DATA ns/0, 1, 2, 4/
746  DATA dx1/0.6e0, 0.1e0, -0.5e0, 0.8e0, 0.9e0, -0.3e0,
747  + -0.4e0/
748  DATA dy1/0.5e0, -0.9e0, 0.3e0, 0.7e0, -0.6e0, 0.2e0,
749  + 0.8e0/
750  DATA sc, ss/0.8e0, 0.6e0/
751  DATA dt9x/0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
752  + 0.0e0, 0.78e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
753  + 0.0e0, 0.0e0, 0.78e0, -0.46e0, 0.0e0, 0.0e0,
754  + 0.0e0, 0.0e0, 0.0e0, 0.78e0, -0.46e0, -0.22e0,
755  + 1.06e0, 0.0e0, 0.0e0, 0.0e0, 0.6e0, 0.0e0,
756  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.78e0,
757  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
758  + 0.66e0, 0.1e0, -0.1e0, 0.0e0, 0.0e0, 0.0e0,
759  + 0.0e0, 0.96e0, 0.1e0, -0.76e0, 0.8e0, 0.90e0,
760  + -0.3e0, -0.02e0, 0.6e0, 0.0e0, 0.0e0, 0.0e0,
761  + 0.0e0, 0.0e0, 0.0e0, 0.78e0, 0.0e0, 0.0e0,
762  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, -0.06e0, 0.1e0,
763  + -0.1e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.90e0,
764  + 0.1e0, -0.22e0, 0.8e0, 0.18e0, -0.3e0, -0.02e0,
765  + 0.6e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
766  + 0.78e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
767  + 0.0e0, 0.78e0, 0.26e0, 0.0e0, 0.0e0, 0.0e0,
768  + 0.0e0, 0.0e0, 0.78e0, 0.26e0, -0.76e0, 1.12e0,
769  + 0.0e0, 0.0e0, 0.0e0/
770  DATA dt9y/0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
771  + 0.0e0, 0.04e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
772  + 0.0e0, 0.0e0, 0.04e0, -0.78e0, 0.0e0, 0.0e0,
773  + 0.0e0, 0.0e0, 0.0e0, 0.04e0, -0.78e0, 0.54e0,
774  + 0.08e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0, 0.0e0,
775  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.04e0,
776  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.7e0,
777  + -0.9e0, -0.12e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
778  + 0.64e0, -0.9e0, -0.30e0, 0.7e0, -0.18e0, 0.2e0,
779  + 0.28e0, 0.5e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
780  + 0.0e0, 0.0e0, 0.04e0, 0.0e0, 0.0e0, 0.0e0,
781  + 0.0e0, 0.0e0, 0.0e0, 0.7e0, -1.08e0, 0.0e0,
782  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.64e0, -1.26e0,
783  + 0.54e0, 0.20e0, 0.0e0, 0.0e0, 0.0e0, 0.5e0,
784  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
785  + 0.04e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
786  + 0.0e0, 0.04e0, -0.9e0, 0.18e0, 0.0e0, 0.0e0,
787  + 0.0e0, 0.0e0, 0.04e0, -0.9e0, 0.18e0, 0.7e0,
788  + -0.18e0, 0.2e0, 0.16e0/
789  DATA ssize2/0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
790  + 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0, 0.0e0,
791  + 0.0e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
792  + 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0, 1.17e0,
793  + 1.17e0, 1.17e0, 1.17e0/
794 * .. Executable Statements ..
795 *
796  DO 60 ki = 1, 4
797  incx = incxs(ki)
798  incy = incys(ki)
799  mx = abs(incx)
800  my = abs(incy)
801 *
802  DO 40 kn = 1, 4
803  n = ns(kn)
804  ksize = min(2,kn)
805  lenx = lens(kn,mx)
806  leny = lens(kn,my)
807 *
808  IF (icase.EQ.4) THEN
809 * .. SROT ..
810  DO 20 i = 1, 7
811  sx(i) = dx1(i)
812  sy(i) = dy1(i)
813  stx(i) = dt9x(i,kn,ki)
814  sty(i) = dt9y(i,kn,ki)
815  20 CONTINUE
816  CALL srot(n,sx,incx,sy,incy,sc,ss)
817  CALL stest(lenx,sx,stx,ssize2(1,ksize),sfac)
818  CALL stest(leny,sy,sty,ssize2(1,ksize),sfac)
819  ELSE
820  WRITE (nout,*) ' Shouldn''t be here in CHECK3'
821  stop
822  END IF
823  40 CONTINUE
824  60 CONTINUE
825 *
826  mwpc(1) = 1
827  DO 80 i = 2, 11
828  mwpc(i) = 0
829  80 CONTINUE
830  mwps(1) = 0
831  DO 100 i = 2, 6
832  mwps(i) = 1
833  100 CONTINUE
834  DO 120 i = 7, 11
835  mwps(i) = -1
836  120 CONTINUE
837  mwpinx(1) = 1
838  mwpinx(2) = 1
839  mwpinx(3) = 1
840  mwpinx(4) = -1
841  mwpinx(5) = 1
842  mwpinx(6) = -1
843  mwpinx(7) = 1
844  mwpinx(8) = 1
845  mwpinx(9) = -1
846  mwpinx(10) = 1
847  mwpinx(11) = -1
848  mwpiny(1) = 1
849  mwpiny(2) = 1
850  mwpiny(3) = -1
851  mwpiny(4) = -1
852  mwpiny(5) = 2
853  mwpiny(6) = 1
854  mwpiny(7) = 1
855  mwpiny(8) = -1
856  mwpiny(9) = -1
857  mwpiny(10) = 2
858  mwpiny(11) = 1
859  DO 140 i = 1, 11
860  mwpn(i) = 5
861  140 CONTINUE
862  mwpn(5) = 3
863  mwpn(10) = 3
864  DO 160 i = 1, 5
865  mwpx(i) = i
866  mwpy(i) = i
867  mwptx(1,i) = i
868  mwpty(1,i) = i
869  mwptx(2,i) = i
870  mwpty(2,i) = -i
871  mwptx(3,i) = 6 - i
872  mwpty(3,i) = i - 6
873  mwptx(4,i) = i
874  mwpty(4,i) = -i
875  mwptx(6,i) = 6 - i
876  mwpty(6,i) = i - 6
877  mwptx(7,i) = -i
878  mwpty(7,i) = i
879  mwptx(8,i) = i - 6
880  mwpty(8,i) = 6 - i
881  mwptx(9,i) = -i
882  mwpty(9,i) = i
883  mwptx(11,i) = i - 6
884  mwpty(11,i) = 6 - i
885  160 CONTINUE
886  mwptx(5,1) = 1
887  mwptx(5,2) = 3
888  mwptx(5,3) = 5
889  mwptx(5,4) = 4
890  mwptx(5,5) = 5
891  mwpty(5,1) = -1
892  mwpty(5,2) = 2
893  mwpty(5,3) = -2
894  mwpty(5,4) = 4
895  mwpty(5,5) = -3
896  mwptx(10,1) = -1
897  mwptx(10,2) = -3
898  mwptx(10,3) = -5
899  mwptx(10,4) = 4
900  mwptx(10,5) = 5
901  mwpty(10,1) = 1
902  mwpty(10,2) = 2
903  mwpty(10,3) = 2
904  mwpty(10,4) = 4
905  mwpty(10,5) = 3
906  DO 200 i = 1, 11
907  incx = mwpinx(i)
908  incy = mwpiny(i)
909  DO 180 k = 1, 5
910  copyx(k) = mwpx(k)
911  copyy(k) = mwpy(k)
912  mwpstx(k) = mwptx(i,k)
913  mwpsty(k) = mwpty(i,k)
914  180 CONTINUE
915  CALL srot(mwpn(i),copyx,incx,copyy,incy,mwpc(i),mwps(i))
916  CALL stest(5,copyx,mwpstx,mwpstx,sfac)
917  CALL stest(5,copyy,mwpsty,mwpsty,sfac)
918  200 CONTINUE
919  RETURN
920  END
921  SUBROUTINE stest(LEN,SCOMP,STRUE,SSIZE,SFAC)
922 * ********************************* STEST **************************
923 *
924 * THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
925 * SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
926 * NEGLIGIBLE.
927 *
928 * C. L. LAWSON, JPL, 1974 DEC 10
929 *
930 * .. Parameters ..
931  INTEGER NOUT
932  REAL ZERO
933  parameter(nout=6, zero=0.0e0)
934 * .. Scalar Arguments ..
935  REAL SFAC
936  INTEGER LEN
937 * .. Array Arguments ..
938  REAL SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
939 * .. Scalars in Common ..
940  INTEGER ICASE, INCX, INCY, N
941  LOGICAL PASS
942 * .. Local Scalars ..
943  REAL SD
944  INTEGER I
945 * .. External Functions ..
946  REAL SDIFF
947  EXTERNAL sdiff
948 * .. Intrinsic Functions ..
949  INTRINSIC abs
950 * .. Common blocks ..
951  COMMON /combla/icase, n, incx, incy, pass
952 * .. Executable Statements ..
953 *
954  DO 40 i = 1, len
955  sd = scomp(i) - strue(i)
956  IF (abs(sfac*sd) .LE. abs(ssize(i))*epsilon(zero))
957  + GO TO 40
958 *
959 * HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
960 *
961  IF ( .NOT. pass) GO TO 20
962 * PRINT FAIL MESSAGE AND HEADER.
963  pass = .false.
964  WRITE (nout,99999)
965  WRITE (nout,99998)
966  20 WRITE (nout,99997) icase, n, incx, incy, i, scomp(i),
967  + strue(i), sd, ssize(i)
968  40 CONTINUE
969  RETURN
970 *
971 99999 FORMAT (' FAIL')
972 99998 FORMAT (/' CASE N INCX INCY I ',
973  + ' COMP(I) TRUE(I) DIFFERENCE',
974  + ' SIZE(I)',/1x)
975 99997 FORMAT (1x,i4,i3,2i5,i3,2e36.8,2e12.4)
976  END
977  SUBROUTINE stest1(SCOMP1,STRUE1,SSIZE,SFAC)
978 * ************************* STEST1 *****************************
979 *
980 * THIS IS AN INTERFACE SUBROUTINE TO ACCOMMODATE THE FORTRAN
981 * REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
982 * ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
983 *
984 * C.L. LAWSON, JPL, 1978 DEC 6
985 *
986 * .. Scalar Arguments ..
987  REAL SCOMP1, SFAC, STRUE1
988 * .. Array Arguments ..
989  REAL SSIZE(*)
990 * .. Local Arrays ..
991  REAL SCOMP(1), STRUE(1)
992 * .. External Subroutines ..
993  EXTERNAL stest
994 * .. Executable Statements ..
995 *
996  scomp(1) = scomp1
997  strue(1) = strue1
998  CALL stest(1,scomp,strue,ssize,sfac)
999 *
1000  RETURN
1001  END
1002  REAL function sdiff(sa,sb)
1003 * ********************************* SDIFF **************************
1004 * COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
1005 *
1006 * .. Scalar Arguments ..
1007  REAL sa, sb
1008 * .. Executable Statements ..
1009  sdiff = sa - sb
1010  RETURN
1011  END
1012  SUBROUTINE itest1(ICOMP,ITRUE)
1013 * ********************************* ITEST1 *************************
1014 *
1015 * THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
1016 * EQUALITY.
1017 * C. L. LAWSON, JPL, 1974 DEC 10
1018 *
1019 * .. Parameters ..
1020  INTEGER NOUT
1021  parameter(nout=6)
1022 * .. Scalar Arguments ..
1023  INTEGER ICOMP, ITRUE
1024 * .. Scalars in Common ..
1025  INTEGER ICASE, INCX, INCY, N
1026  LOGICAL PASS
1027 * .. Local Scalars ..
1028  INTEGER ID
1029 * .. Common blocks ..
1030  COMMON /combla/icase, n, incx, incy, pass
1031 * .. Executable Statements ..
1032 *
1033  IF (icomp.EQ.itrue) GO TO 40
1034 *
1035 * HERE ICOMP IS NOT EQUAL TO ITRUE.
1036 *
1037  IF ( .NOT. pass) GO TO 20
1038 * PRINT FAIL MESSAGE AND HEADER.
1039  pass = .false.
1040  WRITE (nout,99999)
1041  WRITE (nout,99998)
1042  20 id = icomp - itrue
1043  WRITE (nout,99997) icase, n, incx, incy, icomp, itrue, id
1044  40 CONTINUE
1045  RETURN
1046 *
1047 99999 FORMAT (' FAIL')
1048 99998 FORMAT (/' CASE N INCX INCY ',
1049  + ' COMP TRUE DIFFERENCE',
1050  + /1x)
1051 99997 FORMAT (1x,i4,i3,2i5,2i36,i12)
1052  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
check0
subroutine check0(SFAC)
Definition: dblat1.f:124
sswap
subroutine sswap(N, SX, INCX, SY, INCY)
SSWAP
Definition: sswap.f:82
srot
subroutine srot(N, SX, INCX, SY, INCY, C, S)
SROT
Definition: srot.f:92
scopy
subroutine scopy(N, SX, INCX, SY, INCY)
SCOPY
Definition: scopy.f:82
srotg
subroutine srotg(SA, SB, C, S)
SROTG
Definition: srotg.f:69
sscal
subroutine sscal(N, SA, SX, INCX)
SSCAL
Definition: sscal.f:79
srotm
subroutine srotm(N, SX, INCX, SY, INCY, SPARAM)
SROTM
Definition: srotm.f:97
srotmg
subroutine srotmg(SD1, SD2, SX1, SY1, SPARAM)
SROTMG
Definition: srotmg.f:90
saxpy
subroutine saxpy(N, SA, SX, INCX, SY, INCY)
SAXPY
Definition: saxpy.f:89
sblat1
program sblat1
SBLAT1
Definition: sblat1.f:36