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cerrhs.f
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1*> \brief \b CERRHS
2*
3* =========== DOCUMENTATION ===========
4*
5* Online html documentation available at
6* http://www.netlib.org/lapack/explore-html/
7*
8* Definition:
9* ===========
10*
11* SUBROUTINE CERRHS( PATH, NUNIT )
12*
13* .. Scalar Arguments ..
14* CHARACTER*3 PATH
15* INTEGER NUNIT
16* ..
17*
18*
19*> \par Purpose:
20* =============
21*>
22*> \verbatim
23*>
24*> CERRHS tests the error exits for CGEBAK, CGEBAL, CGEHRD, CUNGHR,
25*> CUNMHR, CHSEQR, CHSEIN, and CTREVC.
26*> \endverbatim
27*
28* Arguments:
29* ==========
30*
31*> \param[in] PATH
32*> \verbatim
33*> PATH is CHARACTER*3
34*> The LAPACK path name for the routines to be tested.
35*> \endverbatim
36*>
37*> \param[in] NUNIT
38*> \verbatim
39*> NUNIT is INTEGER
40*> The unit number for output.
41*> \endverbatim
42*
43* Authors:
44* ========
45*
46*> \author Univ. of Tennessee
47*> \author Univ. of California Berkeley
48*> \author Univ. of Colorado Denver
49*> \author NAG Ltd.
50*
51*> \ingroup complex_eig
52*
53* =====================================================================
54 SUBROUTINE cerrhs( PATH, NUNIT )
55*
56* -- LAPACK test routine --
57* -- LAPACK is a software package provided by Univ. of Tennessee, --
58* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
59*
60* .. Scalar Arguments ..
61 CHARACTER*3 PATH
62 INTEGER NUNIT
63* ..
64*
65* =====================================================================
66*
67* .. Parameters ..
68 INTEGER NMAX, LW
69 parameter( nmax = 3, lw = nmax*nmax )
70* ..
71* .. Local Scalars ..
72 CHARACTER*2 C2
73 INTEGER I, IHI, ILO, INFO, J, M, NT
74* ..
75* .. Local Arrays ..
76 LOGICAL SEL( NMAX )
77 INTEGER IFAILL( NMAX ), IFAILR( NMAX )
78 REAL RW( NMAX ), S( NMAX )
79 COMPLEX A( NMAX, NMAX ), C( NMAX, NMAX ), TAU( NMAX ),
80 $ VL( NMAX, NMAX ), VR( NMAX, NMAX ), W( LW ),
81 $ X( NMAX )
82* ..
83* .. External Functions ..
84 LOGICAL LSAMEN
85 EXTERNAL lsamen
86* ..
87* .. External Subroutines ..
88 EXTERNAL chkxer, cgebak, cgebal, cgehrd, chsein, chseqr,
89 $ cunghr, cunmhr, ctrevc
90* ..
91* .. Intrinsic Functions ..
92 INTRINSIC real
93* ..
94* .. Scalars in Common ..
95 LOGICAL LERR, OK
96 CHARACTER*32 SRNAMT
97 INTEGER INFOT, NOUT
98* ..
99* .. Common blocks ..
100 COMMON / infoc / infot, nout, ok, lerr
101 COMMON / srnamc / srnamt
102* ..
103* .. Executable Statements ..
104*
105 nout = nunit
106 WRITE( nout, fmt = * )
107 c2 = path( 2: 3 )
108*
109* Set the variables to innocuous values.
110*
111 DO 20 j = 1, nmax
112 DO 10 i = 1, nmax
113 a( i, j ) = 1. / real( i+j )
114 10 CONTINUE
115 sel( j ) = .true.
116 20 CONTINUE
117 ok = .true.
118 nt = 0
119*
120* Test error exits of the nonsymmetric eigenvalue routines.
121*
122 IF( lsamen( 2, c2, 'HS' ) ) THEN
123*
124* CGEBAL
125*
126 srnamt = 'CGEBAL'
127 infot = 1
128 CALL cgebal( '/', 0, a, 1, ilo, ihi, s, info )
129 CALL chkxer( 'CGEBAL', infot, nout, lerr, ok )
130 infot = 2
131 CALL cgebal( 'N', -1, a, 1, ilo, ihi, s, info )
132 CALL chkxer( 'CGEBAL', infot, nout, lerr, ok )
133 infot = 4
134 CALL cgebal( 'N', 2, a, 1, ilo, ihi, s, info )
135 CALL chkxer( 'CGEBAL', infot, nout, lerr, ok )
136 nt = nt + 3
137*
138* CGEBAK
139*
140 srnamt = 'CGEBAK'
141 infot = 1
142 CALL cgebak( '/', 'R', 0, 1, 0, s, 0, a, 1, info )
143 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
144 infot = 2
145 CALL cgebak( 'N', '/', 0, 1, 0, s, 0, a, 1, info )
146 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
147 infot = 3
148 CALL cgebak( 'N', 'R', -1, 1, 0, s, 0, a, 1, info )
149 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
150 infot = 4
151 CALL cgebak( 'N', 'R', 0, 0, 0, s, 0, a, 1, info )
152 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
153 infot = 4
154 CALL cgebak( 'N', 'R', 0, 2, 0, s, 0, a, 1, info )
155 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
156 infot = 5
157 CALL cgebak( 'N', 'R', 2, 2, 1, s, 0, a, 2, info )
158 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
159 infot = 5
160 CALL cgebak( 'N', 'R', 0, 1, 1, s, 0, a, 1, info )
161 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
162 infot = 7
163 CALL cgebak( 'N', 'R', 0, 1, 0, s, -1, a, 1, info )
164 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
165 infot = 9
166 CALL cgebak( 'N', 'R', 2, 1, 2, s, 0, a, 1, info )
167 CALL chkxer( 'CGEBAK', infot, nout, lerr, ok )
168 nt = nt + 9
169*
170* CGEHRD
171*
172 srnamt = 'CGEHRD'
173 infot = 1
174 CALL cgehrd( -1, 1, 1, a, 1, tau, w, 1, info )
175 CALL chkxer( 'CGEHRD', infot, nout, lerr, ok )
176 infot = 2
177 CALL cgehrd( 0, 0, 0, a, 1, tau, w, 1, info )
178 CALL chkxer( 'CGEHRD', infot, nout, lerr, ok )
179 infot = 2
180 CALL cgehrd( 0, 2, 0, a, 1, tau, w, 1, info )
181 CALL chkxer( 'CGEHRD', infot, nout, lerr, ok )
182 infot = 3
183 CALL cgehrd( 1, 1, 0, a, 1, tau, w, 1, info )
184 CALL chkxer( 'CGEHRD', infot, nout, lerr, ok )
185 infot = 3
186 CALL cgehrd( 0, 1, 1, a, 1, tau, w, 1, info )
187 CALL chkxer( 'CGEHRD', infot, nout, lerr, ok )
188 infot = 5
189 CALL cgehrd( 2, 1, 1, a, 1, tau, w, 2, info )
190 CALL chkxer( 'CGEHRD', infot, nout, lerr, ok )
191 infot = 8
192 CALL cgehrd( 2, 1, 2, a, 2, tau, w, 1, info )
193 CALL chkxer( 'CGEHRD', infot, nout, lerr, ok )
194 nt = nt + 7
195*
196* CUNGHR
197*
198 srnamt = 'CUNGHR'
199 infot = 1
200 CALL cunghr( -1, 1, 1, a, 1, tau, w, 1, info )
201 CALL chkxer( 'CUNGHR', infot, nout, lerr, ok )
202 infot = 2
203 CALL cunghr( 0, 0, 0, a, 1, tau, w, 1, info )
204 CALL chkxer( 'CUNGHR', infot, nout, lerr, ok )
205 infot = 2
206 CALL cunghr( 0, 2, 0, a, 1, tau, w, 1, info )
207 CALL chkxer( 'CUNGHR', infot, nout, lerr, ok )
208 infot = 3
209 CALL cunghr( 1, 1, 0, a, 1, tau, w, 1, info )
210 CALL chkxer( 'CUNGHR', infot, nout, lerr, ok )
211 infot = 3
212 CALL cunghr( 0, 1, 1, a, 1, tau, w, 1, info )
213 CALL chkxer( 'CUNGHR', infot, nout, lerr, ok )
214 infot = 5
215 CALL cunghr( 2, 1, 1, a, 1, tau, w, 1, info )
216 CALL chkxer( 'CUNGHR', infot, nout, lerr, ok )
217 infot = 8
218 CALL cunghr( 3, 1, 3, a, 3, tau, w, 1, info )
219 CALL chkxer( 'CUNGHR', infot, nout, lerr, ok )
220 nt = nt + 7
221*
222* CUNMHR
223*
224 srnamt = 'CUNMHR'
225 infot = 1
226 CALL cunmhr( '/', 'N', 0, 0, 1, 0, a, 1, tau, c, 1, w, 1,
227 $ info )
228 CALL chkxer( 'CUNMHR', infot, nout, lerr, ok )
229 infot = 2
230 CALL cunmhr( 'L', '/', 0, 0, 1, 0, a, 1, tau, c, 1, w, 1,
231 $ info )
232 CALL chkxer( 'CUNMHR', infot, nout, lerr, ok )
233 infot = 3
234 CALL cunmhr( 'L', 'N', -1, 0, 1, 0, a, 1, tau, c, 1, w, 1,
235 $ info )
236 CALL chkxer( 'cunmhr', INFOT, NOUT, LERR, OK )
237 INFOT = 4
238 CALL CUNMHR( 'l', 'n', 0, -1, 1, 0, A, 1, TAU, C, 1, W, 1,
239 $ INFO )
240 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
241 INFOT = 5
242 CALL CUNMHR( 'l', 'n', 0, 0, 0, 0, A, 1, TAU, C, 1, W, 1,
243 $ INFO )
244 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
245 INFOT = 5
246 CALL CUNMHR( 'l', 'n', 0, 0, 2, 0, A, 1, TAU, C, 1, W, 1,
247 $ INFO )
248 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
249 INFOT = 5
250 CALL CUNMHR( 'l', 'n', 1, 2, 2, 1, A, 1, TAU, C, 1, W, 2,
251 $ INFO )
252 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
253 INFOT = 5
254 CALL CUNMHR( 'r', 'n', 2, 1, 2, 1, A, 1, TAU, C, 2, W, 2,
255 $ INFO )
256 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
257 INFOT = 6
258 CALL CUNMHR( 'l', 'n', 1, 1, 1, 0, A, 1, TAU, C, 1, W, 1,
259 $ INFO )
260 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
261 INFOT = 6
262 CALL CUNMHR( 'l', 'n', 0, 1, 1, 1, A, 1, TAU, C, 1, W, 1,
263 $ INFO )
264 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
265 INFOT = 6
266 CALL CUNMHR( 'r', 'n', 1, 0, 1, 1, A, 1, TAU, C, 1, W, 1,
267 $ INFO )
268 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
269 INFOT = 8
270 CALL CUNMHR( 'l', 'n', 2, 1, 1, 1, A, 1, TAU, C, 2, W, 1,
271 $ INFO )
272 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
273 INFOT = 8
274 CALL CUNMHR( 'r', 'n', 1, 2, 1, 1, A, 1, TAU, C, 1, W, 1,
275 $ INFO )
276 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
277 INFOT = 11
278 CALL CUNMHR( 'l', 'n', 2, 1, 1, 1, A, 2, TAU, C, 1, W, 1,
279 $ INFO )
280 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
281 INFOT = 13
282 CALL CUNMHR( 'l', 'n', 1, 2, 1, 1, A, 1, TAU, C, 1, W, 1,
283 $ INFO )
284 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
285 INFOT = 13
286 CALL CUNMHR( 'r', 'n', 2, 1, 1, 1, A, 1, TAU, C, 2, W, 1,
287 $ INFO )
288 CALL CHKXER( 'cunmhr', INFOT, NOUT, LERR, OK )
289 NT = NT + 16
290*
291* CHSEQR
292*
293 SRNAMT = 'chseqr'
294 INFOT = 1
295 CALL CHSEQR( '/', 'n', 0, 1, 0, A, 1, X, C, 1, W, 1,
296 $ INFO )
297 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
298 INFOT = 2
299 CALL CHSEQR( 'e', '/', 0, 1, 0, A, 1, X, C, 1, W, 1,
300 $ INFO )
301 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
302 INFOT = 3
303 CALL CHSEQR( 'e', 'n', -1, 1, 0, A, 1, X, C, 1, W, 1,
304 $ INFO )
305 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
306 INFOT = 4
307 CALL CHSEQR( 'e', 'n', 0, 0, 0, A, 1, X, C, 1, W, 1,
308 $ INFO )
309 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
310 INFOT = 4
311 CALL CHSEQR( 'e', 'n', 0, 2, 0, A, 1, X, C, 1, W, 1,
312 $ INFO )
313 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
314 INFOT = 5
315 CALL CHSEQR( 'e', 'n', 1, 1, 0, A, 1, X, C, 1, W, 1,
316 $ INFO )
317 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
318 INFOT = 5
319 CALL CHSEQR( 'e', 'n', 1, 1, 2, A, 1, X, C, 1, W, 1,
320 $ INFO )
321 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
322 INFOT = 7
323 CALL CHSEQR( 'e', 'n', 2, 1, 2, A, 1, X, C, 2, W, 1,
324 $ INFO )
325 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
326 INFOT = 10
327 CALL CHSEQR( 'e', 'v', 2, 1, 2, A, 2, X, C, 1, W, 1,
328 $ INFO )
329 CALL CHKXER( 'chseqr', INFOT, NOUT, LERR, OK )
330 NT = NT + 9
331*
332* CHSEIN
333*
334 SRNAMT = 'chsein'
335 INFOT = 1
336 CALL CHSEIN( '/', 'n', 'N', sel, 0, a, 1, x, vl, 1, vr, 1,
337 $ 0, m, w, rw, ifaill, ifailr, info )
338 CALL chkxer( 'CHSEIN', infot, nout, lerr, ok )
339 infot = 2
340 CALL chsein( 'r', '/', 'n', SEL, 0, A, 1, X, VL, 1, VR, 1,
341 $ 0, M, W, RW, IFAILL, IFAILR, INFO )
342 CALL CHKXER( 'chsein', INFOT, NOUT, LERR, OK )
343 INFOT = 3
344 CALL CHSEIN( 'r', 'n', '/', SEL, 0, A, 1, X, VL, 1, VR, 1,
345 $ 0, M, W, RW, IFAILL, IFAILR, INFO )
346 CALL CHKXER( 'chsein', INFOT, NOUT, LERR, OK )
347 INFOT = 5
348 CALL CHSEIN( 'r', 'n', 'n', SEL, -1, A, 1, X, VL, 1, VR,
349 $ 1, 0, M, W, RW, IFAILL, IFAILR, INFO )
350 CALL CHKXER( 'chsein', INFOT, NOUT, LERR, OK )
351 INFOT = 7
352 CALL CHSEIN( 'r', 'n', 'n', SEL, 2, A, 1, X, VL, 1, VR, 2,
353 $ 4, M, W, RW, IFAILL, IFAILR, INFO )
354 CALL CHKXER( 'chsein', INFOT, NOUT, LERR, OK )
355 INFOT = 10
356 CALL CHSEIN( 'l', 'n', 'n', SEL, 2, A, 2, X, VL, 1, VR, 1,
357 $ 4, M, W, RW, IFAILL, IFAILR, INFO )
358 CALL CHKXER( 'chsein', INFOT, NOUT, LERR, OK )
359 INFOT = 12
360 CALL CHSEIN( 'r', 'n', 'n', SEL, 2, A, 2, X, VL, 1, VR, 1,
361 $ 4, M, W, RW, IFAILL, IFAILR, INFO )
362 CALL CHKXER( 'chsein', INFOT, NOUT, LERR, OK )
363 INFOT = 13
364 CALL CHSEIN( 'r', 'n', 'n', SEL, 2, A, 2, X, VL, 1, VR, 2,
365 $ 1, M, W, RW, IFAILL, IFAILR, INFO )
366 CALL CHKXER( 'chsein', INFOT, NOUT, LERR, OK )
367 NT = NT + 8
368*
369* CTREVC
370*
371 SRNAMT = 'ctrevc'
372 INFOT = 1
373 CALL CTREVC( '/', 'a', SEL, 0, A, 1, VL, 1, VR, 1, 0, M, W,
374 $ RW, INFO )
375 CALL CHKXER( 'ctrevc', INFOT, NOUT, LERR, OK )
376 INFOT = 2
377 CALL CTREVC( 'l', '/', SEL, 0, A, 1, VL, 1, VR, 1, 0, M, W,
378 $ RW, INFO )
379 CALL CHKXER( 'ctrevc', INFOT, NOUT, LERR, OK )
380 INFOT = 4
381 CALL CTREVC( 'l', 'a', SEL, -1, A, 1, VL, 1, VR, 1, 0, M, W,
382 $ RW, INFO )
383 CALL CHKXER( 'ctrevc', INFOT, NOUT, LERR, OK )
384 INFOT = 6
385 CALL CTREVC( 'l', 'a', SEL, 2, A, 1, VL, 2, VR, 1, 4, M, W,
386 $ RW, INFO )
387 CALL CHKXER( 'ctrevc', INFOT, NOUT, LERR, OK )
388 INFOT = 8
389 CALL CTREVC( 'l', 'a', SEL, 2, A, 2, VL, 1, VR, 1, 4, M, W,
390 $ RW, INFO )
391 CALL CHKXER( 'ctrevc', INFOT, NOUT, LERR, OK )
392 INFOT = 10
393 CALL CTREVC( 'r', 'a', SEL, 2, A, 2, VL, 1, VR, 1, 4, M, W,
394 $ RW, INFO )
395 CALL CHKXER( 'ctrevc', INFOT, NOUT, LERR, OK )
396 INFOT = 11
397 CALL CTREVC( 'l', 'a', SEL, 2, A, 2, VL, 2, VR, 1, 1, M, W,
398 $ RW, INFO )
399 CALL CHKXER( 'ctrevc', INFOT, NOUT, LERR, OK )
400 NT = NT + 7
401 END IF
402*
403* Print a summary line.
404*
405 IF( OK ) THEN
406 WRITE( NOUT, FMT = 9999 )PATH, NT
407 ELSE
408 WRITE( NOUT, FMT = 9998 )PATH
409 END IF
410*
411 9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits',
412 $ ' (', I3, ' tests done)' )
413 9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ',
414 $ 'exits ***' )
415*
416 RETURN
417*
418* End of CERRHS
419*
420 END
chkxer
subroutine chkxer(srnamt, infot, nout, lerr, ok)
Definition cblat2.f:3196
the
end diagonal values have been computed in the(sparse) matrix id.SOL
cgebal
subroutine cgebal(job, n, a, lda, ilo, ihi, scale, info)
CGEBAL
Definition cgebal.f:161
cgehrd
subroutine cgehrd(n, ilo, ihi, a, lda, tau, work, lwork, info)
CGEHRD
Definition cgehrd.f:167
cgebak
subroutine cgebak(job, side, n, ilo, ihi, scale, m, v, ldv, info)
CGEBAK
Definition cgebak.f:131
cunghr
subroutine cunghr(n, ilo, ihi, a, lda, tau, work, lwork, info)
CUNGHR
Definition cunghr.f:126
chsein
subroutine chsein(side, eigsrc, initv, select, n, h, ldh, w, vl, ldvl, vr, ldvr, mm, m, work, rwork, ifaill, ifailr, info)
CHSEIN
Definition chsein.f:245
ctrevc
subroutine ctrevc(side, howmny, select, n, t, ldt, vl, ldvl, vr, ldvr, mm, m, work, rwork, info)
CTREVC
Definition ctrevc.f:218
chseqr
subroutine chseqr(job, compz, n, ilo, ihi, h, ldh, w, z, ldz, work, lwork, info)
CHSEQR
Definition chseqr.f:299
cunmhr
subroutine cunmhr(side, trans, m, n, ilo, ihi, a, lda, tau, c, ldc, work, lwork, info)
CUNMHR
Definition cunmhr.f:179
cerrhs
subroutine cerrhs(path, nunit)
CERRHS
Definition cerrhs.f:55