LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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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, CTREVC, and CTREVC3.
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,
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*
402* CTREVC3
403*
404 srnamt = 'CTREVC3'
405 infot = 1
406 CALL ctrevc3( '/', 'A', sel, 0, a, 1, vl, 1, vr, 1, 0, m, w,
407 $ lw, rw, 1, info )
408 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
409 infot = 2
410 CALL ctrevc3( 'L', '/', sel, 0, a, 1, vl, 1, vr, 1, 0, m, w,
411 $ lw, rw, 1, info )
412 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
413 infot = 4
414 CALL ctrevc3( 'L', 'A', sel, -1, a, 1, vl, 1, vr, 1, 0, m, w,
415 $ lw, rw, 1, info )
416 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
417 infot = 6
418 CALL ctrevc3( 'L', 'A', sel, 2, a, 1, vl, 2, vr, 1, 4, m, w,
419 $ lw, rw, 2, info )
420 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
421 infot = 8
422 CALL ctrevc3( 'L', 'A', sel, 2, a, 2, vl, 1, vr, 1, 4, m, w,
423 $ lw, rw, 2, info )
424 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
425 infot = 10
426 CALL ctrevc3( 'R', 'A', sel, 2, a, 2, vl, 1, vr, 1, 4, m, w,
427 $ lw, rw, 2, info )
428 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
429 infot = 11
430 CALL ctrevc3( 'L', 'A', sel, 2, a, 2, vl, 2, vr, 1, 1, m, w,
431 $ lw, rw, 2, info )
432 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
433 infot = 14
434 CALL ctrevc3( 'L', 'A', sel, 2, a, 2, vl, 2, vr, 1, 2, m, w,
435 $ 2, rw, 2, info )
436 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
437 infot = 16
438 CALL ctrevc3( 'L', 'A', sel, 2, a, 2, vl, 2, vr, 1, 2, m, w,
439 $ lw, rw, 1, info )
440 CALL chkxer( 'CTREVC3', infot, nout, lerr, ok )
441 nt = nt + 9
442 END IF
443*
444* Print a summary line.
445*
446 IF( ok ) THEN
447 WRITE( nout, fmt = 9999 )path, nt
448 ELSE
449 WRITE( nout, fmt = 9998 )path
450 END IF
451*
452 9999 FORMAT( 1x, a3, ' routines passed the tests of the error exits',
453 $ ' (', i3, ' tests done)' )
454 9998 FORMAT( ' *** ', a3, ' routines failed the tests of the error ',
455 $ 'exits ***' )
456*
457 RETURN
458*
459* End of CERRHS
460*
461 END
subroutine chkxer(SRNAMT, INFOT, NOUT, LERR, OK)
Definition: cblat2.f:3224
subroutine cerrhs(PATH, NUNIT)
CERRHS
Definition: cerrhs.f:55
subroutine cgehrd(N, ILO, IHI, A, LDA, TAU, WORK, LWORK, INFO)
CGEHRD
Definition: cgehrd.f:167
subroutine cgebal(JOB, N, A, LDA, ILO, IHI, SCALE, INFO)
CGEBAL
Definition: cgebal.f:161
subroutine cgebak(JOB, SIDE, N, ILO, IHI, SCALE, M, V, LDV, INFO)
CGEBAK
Definition: cgebak.f:131
subroutine ctrevc3(SIDE, HOWMNY, SELECT, N, T, LDT, VL, LDVL, VR, LDVR, MM, M, WORK, LWORK, RWORK, LRWORK, INFO)
CTREVC3
Definition: ctrevc3.f:244
subroutine cunmhr(SIDE, TRANS, M, N, ILO, IHI, A, LDA, TAU, C, LDC, WORK, LWORK, INFO)
CUNMHR
Definition: cunmhr.f:179
subroutine cunghr(N, ILO, IHI, A, LDA, TAU, WORK, LWORK, INFO)
CUNGHR
Definition: cunghr.f:126
subroutine chseqr(JOB, COMPZ, N, ILO, IHI, H, LDH, W, Z, LDZ, WORK, LWORK, INFO)
CHSEQR
Definition: chseqr.f:299
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
subroutine ctrevc(SIDE, HOWMNY, SELECT, N, T, LDT, VL, LDVL, VR, LDVR, MM, M, WORK, RWORK, INFO)
CTREVC
Definition: ctrevc.f:218