LAPACK  3.4.2
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serrgg.f
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1 *> \brief \b SERRGG
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 SERRGG( 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 *> SERRGG tests the error exits for SGGES, SGGESX, SGGEV, SGGEVX,
25 *> SGGGLM, SGGHRD, SGGLSE, SGGQRF, SGGRQF, SGGSVD, SGGSVP, SHGEQZ,
26 *> SORCSD, STGEVC, STGEXC, STGSEN, STGSJA, STGSNA, and STGSYL.
27 *> \endverbatim
28 *
29 * Arguments:
30 * ==========
31 *
32 *> \param[in] PATH
33 *> \verbatim
34 *> PATH is CHARACTER*3
35 *> The LAPACK path name for the routines to be tested.
36 *> \endverbatim
37 *>
38 *> \param[in] NUNIT
39 *> \verbatim
40 *> NUNIT is INTEGER
41 *> The unit number for output.
42 *> \endverbatim
43 *
44 * Authors:
45 * ========
46 *
47 *> \author Univ. of Tennessee
48 *> \author Univ. of California Berkeley
49 *> \author Univ. of Colorado Denver
50 *> \author NAG Ltd.
51 *
52 *> \date November 2011
53 *
54 *> \ingroup single_eig
55 *
56 * =====================================================================
57  SUBROUTINE serrgg( PATH, NUNIT )
58 *
59 * -- LAPACK test routine (version 3.4.0) --
60 * -- LAPACK is a software package provided by Univ. of Tennessee, --
61 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
62 * November 2011
63 *
64 * .. Scalar Arguments ..
65  CHARACTER*3 path
66  INTEGER nunit
67 * ..
68 *
69 * =====================================================================
70 *
71 * .. Parameters ..
72  INTEGER nmax, lw
73  parameter( nmax = 3, lw = 6*nmax )
74  REAL one, zero
75  parameter( one = 1.0e+0, zero = 0.0e+0 )
76 * ..
77 * .. Local Scalars ..
78  CHARACTER*2 c2
79  INTEGER dummyk, dummyl, i, ifst, ilo, ihi, ilst, info,
80  $ j, m, ncycle, nt, sdim
81  REAL anrm, bnrm, dif, scale, tola, tolb
82 * ..
83 * .. Local Arrays ..
84  LOGICAL bw( nmax ), sel( nmax )
85  INTEGER iw( nmax )
86  REAL a( nmax, nmax ), b( nmax, nmax ), ls( nmax ),
87  $ q( nmax, nmax ), r1( nmax ), r2( nmax ),
88  $ r3( nmax ), rce( 2 ), rcv( 2 ), rs( nmax ),
89  $ tau( nmax ), u( nmax, nmax ), v( nmax, nmax ),
90  $ w( lw ), z( nmax, nmax )
91 * ..
92 * .. External Functions ..
93  LOGICAL lsamen, slctes, slctsx
94  EXTERNAL lsamen, slctes, slctsx
95 * ..
96 * .. External Subroutines ..
97  EXTERNAL chkxer, sgges, sggesx, sggev, sggevx, sggglm,
98  $ sgghrd, sgglse, sggqrf, sggrqf, sggsvd, sggsvp,
99  $ shgeqz, sorcsd, stgevc, stgexc, stgsen, stgsja,
100  $ stgsna, stgsyl
101 * ..
102 * .. Scalars in Common ..
103  LOGICAL lerr, ok
104  CHARACTER*32 srnamt
105  INTEGER infot, nout
106 * ..
107 * .. Common blocks ..
108  common / infoc / infot, nout, ok, lerr
109  common / srnamc / srnamt
110 * ..
111 * .. Executable Statements ..
112 *
113  nout = nunit
114  WRITE( nout, fmt = * )
115  c2 = path( 2: 3 )
116 *
117 * Set the variables to innocuous values.
118 *
119  DO 20 j = 1, nmax
120  sel( j ) = .true.
121  DO 10 i = 1, nmax
122  a( i, j ) = zero
123  b( i, j ) = zero
124  10 continue
125  20 continue
126  DO 30 i = 1, nmax
127  a( i, i ) = one
128  b( i, i ) = one
129  30 continue
130  ok = .true.
131  tola = 1.0e0
132  tolb = 1.0e0
133  ifst = 1
134  ilst = 1
135  nt = 0
136 *
137 * Test error exits for the GG path.
138 *
139  IF( lsamen( 2, c2, 'GG' ) ) THEN
140 *
141 * SGGHRD
142 *
143  srnamt = 'SGGHRD'
144  infot = 1
145  CALL sgghrd( '/', 'N', 0, 1, 0, a, 1, b, 1, q, 1, z, 1, info )
146  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
147  infot = 2
148  CALL sgghrd( 'N', '/', 0, 1, 0, a, 1, b, 1, q, 1, z, 1, info )
149  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
150  infot = 3
151  CALL sgghrd( 'N', 'N', -1, 0, 0, a, 1, b, 1, q, 1, z, 1, info )
152  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
153  infot = 4
154  CALL sgghrd( 'N', 'N', 0, 0, 0, a, 1, b, 1, q, 1, z, 1, info )
155  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
156  infot = 5
157  CALL sgghrd( 'N', 'N', 0, 1, 1, a, 1, b, 1, q, 1, z, 1, info )
158  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
159  infot = 7
160  CALL sgghrd( 'N', 'N', 2, 1, 1, a, 1, b, 2, q, 1, z, 1, info )
161  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
162  infot = 9
163  CALL sgghrd( 'N', 'N', 2, 1, 1, a, 2, b, 1, q, 1, z, 1, info )
164  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
165  infot = 11
166  CALL sgghrd( 'V', 'N', 2, 1, 1, a, 2, b, 2, q, 1, z, 1, info )
167  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
168  infot = 13
169  CALL sgghrd( 'N', 'V', 2, 1, 1, a, 2, b, 2, q, 1, z, 1, info )
170  CALL chkxer( 'SGGHRD', infot, nout, lerr, ok )
171  nt = nt + 9
172 *
173 * SHGEQZ
174 *
175  srnamt = 'SHGEQZ'
176  infot = 1
177  CALL shgeqz( '/', 'N', 'N', 0, 1, 0, a, 1, b, 1, r1, r2, r3, q,
178  $ 1, z, 1, w, lw, info )
179  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
180  infot = 2
181  CALL shgeqz( 'E', '/', 'N', 0, 1, 0, a, 1, b, 1, r1, r2, r3, q,
182  $ 1, z, 1, w, lw, info )
183  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
184  infot = 3
185  CALL shgeqz( 'E', 'N', '/', 0, 1, 0, a, 1, b, 1, r1, r2, r3, q,
186  $ 1, z, 1, w, lw, info )
187  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
188  infot = 4
189  CALL shgeqz( 'E', 'N', 'N', -1, 0, 0, a, 1, b, 1, r1, r2, r3,
190  $ q, 1, z, 1, w, lw, info )
191  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
192  infot = 5
193  CALL shgeqz( 'E', 'N', 'N', 0, 0, 0, a, 1, b, 1, r1, r2, r3, q,
194  $ 1, z, 1, w, lw, info )
195  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
196  infot = 6
197  CALL shgeqz( 'E', 'N', 'N', 0, 1, 1, a, 1, b, 1, r1, r2, r3, q,
198  $ 1, z, 1, w, lw, info )
199  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
200  infot = 8
201  CALL shgeqz( 'E', 'N', 'N', 2, 1, 1, a, 1, b, 2, r1, r2, r3, q,
202  $ 1, z, 1, w, lw, info )
203  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
204  infot = 10
205  CALL shgeqz( 'E', 'N', 'N', 2, 1, 1, a, 2, b, 1, r1, r2, r3, q,
206  $ 1, z, 1, w, lw, info )
207  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
208  infot = 15
209  CALL shgeqz( 'E', 'V', 'N', 2, 1, 1, a, 2, b, 2, r1, r2, r3, q,
210  $ 1, z, 1, w, lw, info )
211  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
212  infot = 17
213  CALL shgeqz( 'E', 'N', 'V', 2, 1, 1, a, 2, b, 2, r1, r2, r3, q,
214  $ 1, z, 1, w, lw, info )
215  CALL chkxer( 'SHGEQZ', infot, nout, lerr, ok )
216  nt = nt + 10
217 *
218 * STGEVC
219 *
220  srnamt = 'STGEVC'
221  infot = 1
222  CALL stgevc( '/', 'A', sel, 0, a, 1, b, 1, q, 1, z, 1, 0, m, w,
223  $ info )
224  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
225  infot = 2
226  CALL stgevc( 'R', '/', sel, 0, a, 1, b, 1, q, 1, z, 1, 0, m, w,
227  $ info )
228  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
229  infot = 4
230  CALL stgevc( 'R', 'A', sel, -1, a, 1, b, 1, q, 1, z, 1, 0, m,
231  $ w, info )
232  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
233  infot = 6
234  CALL stgevc( 'R', 'A', sel, 2, a, 1, b, 2, q, 1, z, 2, 0, m, w,
235  $ info )
236  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
237  infot = 8
238  CALL stgevc( 'R', 'A', sel, 2, a, 2, b, 1, q, 1, z, 2, 0, m, w,
239  $ info )
240  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
241  infot = 10
242  CALL stgevc( 'L', 'A', sel, 2, a, 2, b, 2, q, 1, z, 1, 0, m, w,
243  $ info )
244  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
245  infot = 12
246  CALL stgevc( 'R', 'A', sel, 2, a, 2, b, 2, q, 1, z, 1, 0, m, w,
247  $ info )
248  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
249  infot = 13
250  CALL stgevc( 'R', 'A', sel, 2, a, 2, b, 2, q, 1, z, 2, 1, m, w,
251  $ info )
252  CALL chkxer( 'STGEVC', infot, nout, lerr, ok )
253  nt = nt + 8
254 *
255 * Test error exits for the GSV path.
256 *
257  ELSE IF( lsamen( 3, path, 'GSV' ) ) THEN
258 *
259 * SGGSVD
260 *
261  srnamt = 'SGGSVD'
262  infot = 1
263  CALL sggsvd( '/', 'N', 'N', 0, 0, 0, dummyk, dummyl, a, 1, b,
264  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
265  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
266  infot = 2
267  CALL sggsvd( 'N', '/', 'N', 0, 0, 0, dummyk, dummyl, a, 1, b,
268  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
269  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
270  infot = 3
271  CALL sggsvd( 'N', 'N', '/', 0, 0, 0, dummyk, dummyl, a, 1, b,
272  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
273  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
274  infot = 4
275  CALL sggsvd( 'N', 'N', 'N', -1, 0, 0, dummyk, dummyl, a, 1, b,
276  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
277  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
278  infot = 5
279  CALL sggsvd( 'N', 'N', 'N', 0, -1, 0, dummyk, dummyl, a, 1, b,
280  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
281  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
282  infot = 6
283  CALL sggsvd( 'N', 'N', 'N', 0, 0, -1, dummyk, dummyl, a, 1, b,
284  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
285  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
286  infot = 10
287  CALL sggsvd( 'N', 'N', 'N', 2, 1, 1, dummyk, dummyl, a, 1, b,
288  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
289  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
290  infot = 12
291  CALL sggsvd( 'N', 'N', 'N', 1, 1, 2, dummyk, dummyl, a, 1, b,
292  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
293  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
294  infot = 16
295  CALL sggsvd( 'U', 'N', 'N', 2, 2, 2, dummyk, dummyl, a, 2, b,
296  $ 2, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
297  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
298  infot = 18
299  CALL sggsvd( 'N', 'V', 'N', 1, 1, 2, dummyk, dummyl, a, 1, b,
300  $ 2, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
301  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
302  infot = 20
303  CALL sggsvd( 'N', 'N', 'Q', 1, 2, 1, dummyk, dummyl, a, 1, b,
304  $ 1, r1, r2, u, 1, v, 1, q, 1, w, iw, info )
305  CALL chkxer( 'SGGSVD', infot, nout, lerr, ok )
306  nt = nt + 11
307 *
308 * SGGSVP
309 *
310  srnamt = 'SGGSVP'
311  infot = 1
312  CALL sggsvp( '/', 'N', 'N', 0, 0, 0, a, 1, b, 1, tola, tolb,
313  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
314  $ info )
315  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
316  infot = 2
317  CALL sggsvp( 'N', '/', 'N', 0, 0, 0, a, 1, b, 1, tola, tolb,
318  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
319  $ info )
320  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
321  infot = 3
322  CALL sggsvp( 'N', 'N', '/', 0, 0, 0, a, 1, b, 1, tola, tolb,
323  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
324  $ info )
325  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
326  infot = 4
327  CALL sggsvp( 'N', 'N', 'N', -1, 0, 0, a, 1, b, 1, tola, tolb,
328  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
329  $ info )
330  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
331  infot = 5
332  CALL sggsvp( 'N', 'N', 'N', 0, -1, 0, a, 1, b, 1, tola, tolb,
333  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
334  $ info )
335  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
336  infot = 6
337  CALL sggsvp( 'N', 'N', 'N', 0, 0, -1, a, 1, b, 1, tola, tolb,
338  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
339  $ info )
340  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
341  infot = 8
342  CALL sggsvp( 'N', 'N', 'N', 2, 1, 1, a, 1, b, 1, tola, tolb,
343  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
344  $ info )
345  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
346  infot = 10
347  CALL sggsvp( 'N', 'N', 'N', 1, 2, 1, a, 1, b, 1, tola, tolb,
348  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
349  $ info )
350  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
351  infot = 16
352  CALL sggsvp( 'U', 'N', 'N', 2, 2, 2, a, 2, b, 2, tola, tolb,
353  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
354  $ info )
355  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
356  infot = 18
357  CALL sggsvp( 'N', 'V', 'N', 1, 2, 1, a, 1, b, 2, tola, tolb,
358  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
359  $ info )
360  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
361  infot = 20
362  CALL sggsvp( 'N', 'N', 'Q', 1, 1, 2, a, 1, b, 1, tola, tolb,
363  $ dummyk, dummyl, u, 1, v, 1, q, 1, iw, tau, w,
364  $ info )
365  CALL chkxer( 'SGGSVP', infot, nout, lerr, ok )
366  nt = nt + 11
367 *
368 * STGSJA
369 *
370  srnamt = 'STGSJA'
371  infot = 1
372  CALL stgsja( '/', 'N', 'N', 0, 0, 0, dummyk, dummyl, a, 1, b,
373  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
374  $ ncycle, info )
375  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
376  infot = 2
377  CALL stgsja( 'N', '/', 'N', 0, 0, 0, dummyk, dummyl, a, 1, b,
378  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
379  $ ncycle, info )
380  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
381  infot = 3
382  CALL stgsja( 'N', 'N', '/', 0, 0, 0, dummyk, dummyl, a, 1, b,
383  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
384  $ ncycle, info )
385  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
386  infot = 4
387  CALL stgsja( 'N', 'N', 'N', -1, 0, 0, dummyk, dummyl, a, 1, b,
388  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
389  $ ncycle, info )
390  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
391  infot = 5
392  CALL stgsja( 'N', 'N', 'N', 0, -1, 0, dummyk, dummyl, a, 1, b,
393  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
394  $ ncycle, info )
395  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
396  infot = 6
397  CALL stgsja( 'N', 'N', 'N', 0, 0, -1, dummyk, dummyl, a, 1, b,
398  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
399  $ ncycle, info )
400  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
401  infot = 10
402  CALL stgsja( 'N', 'N', 'N', 0, 0, 0, dummyk, dummyl, a, 0, b,
403  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
404  $ ncycle, info )
405  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
406  infot = 12
407  CALL stgsja( 'N', 'N', 'N', 0, 0, 0, dummyk, dummyl, a, 1, b,
408  $ 0, tola, tolb, r1, r2, u, 1, v, 1, q, 1, w,
409  $ ncycle, info )
410  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
411  infot = 18
412  CALL stgsja( 'U', 'N', 'N', 0, 0, 0, dummyk, dummyl, a, 1, b,
413  $ 1, tola, tolb, r1, r2, u, 0, v, 1, q, 1, w,
414  $ ncycle, info )
415  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
416  infot = 20
417  CALL stgsja( 'N', 'V', 'N', 0, 0, 0, dummyk, dummyl, a, 1, b,
418  $ 1, tola, tolb, r1, r2, u, 1, v, 0, q, 1, w,
419  $ ncycle, info )
420  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
421  infot = 22
422  CALL stgsja( 'N', 'N', 'Q', 0, 0, 0, dummyk, dummyl, a, 1, b,
423  $ 1, tola, tolb, r1, r2, u, 1, v, 1, q, 0, w,
424  $ ncycle, info )
425  CALL chkxer( 'STGSJA', infot, nout, lerr, ok )
426  nt = nt + 11
427 *
428 * Test error exits for the GLM path.
429 *
430  ELSE IF( lsamen( 3, path, 'GLM' ) ) THEN
431 *
432 * SGGGLM
433 *
434  srnamt = 'SGGGLM'
435  infot = 1
436  CALL sggglm( -1, 0, 0, a, 1, b, 1, r1, r2, r3, w, lw, info )
437  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
438  infot = 2
439  CALL sggglm( 0, -1, 0, a, 1, b, 1, r1, r2, r3, w, lw, info )
440  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
441  infot = 2
442  CALL sggglm( 0, 1, 0, a, 1, b, 1, r1, r2, r3, w, lw, info )
443  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
444  infot = 3
445  CALL sggglm( 0, 0, -1, a, 1, b, 1, r1, r2, r3, w, lw, info )
446  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
447  infot = 3
448  CALL sggglm( 1, 0, 0, a, 1, b, 1, r1, r2, r3, w, lw, info )
449  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
450  infot = 5
451  CALL sggglm( 0, 0, 0, a, 0, b, 1, r1, r2, r3, w, lw, info )
452  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
453  infot = 7
454  CALL sggglm( 0, 0, 0, a, 1, b, 0, r1, r2, r3, w, lw, info )
455  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
456  infot = 12
457  CALL sggglm( 1, 1, 1, a, 1, b, 1, r1, r2, r3, w, 1, info )
458  CALL chkxer( 'SGGGLM', infot, nout, lerr, ok )
459  nt = nt + 8
460 *
461 * Test error exits for the LSE path.
462 *
463  ELSE IF( lsamen( 3, path, 'LSE' ) ) THEN
464 *
465 * SGGLSE
466 *
467  srnamt = 'SGGLSE'
468  infot = 1
469  CALL sgglse( -1, 0, 0, a, 1, b, 1, r1, r2, r3, w, lw, info )
470  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
471  infot = 2
472  CALL sgglse( 0, -1, 0, a, 1, b, 1, r1, r2, r3, w, lw, info )
473  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
474  infot = 3
475  CALL sgglse( 0, 0, -1, a, 1, b, 1, r1, r2, r3, w, lw, info )
476  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
477  infot = 3
478  CALL sgglse( 0, 0, 1, a, 1, b, 1, r1, r2, r3, w, lw, info )
479  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
480  infot = 3
481  CALL sgglse( 0, 1, 0, a, 1, b, 1, r1, r2, r3, w, lw, info )
482  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
483  infot = 5
484  CALL sgglse( 0, 0, 0, a, 0, b, 1, r1, r2, r3, w, lw, info )
485  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
486  infot = 7
487  CALL sgglse( 0, 0, 0, a, 1, b, 0, r1, r2, r3, w, lw, info )
488  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
489  infot = 12
490  CALL sgglse( 1, 1, 1, a, 1, b, 1, r1, r2, r3, w, 1, info )
491  CALL chkxer( 'SGGLSE', infot, nout, lerr, ok )
492  nt = nt + 8
493 *
494 * Test error exits for the CSD path.
495 *
496  ELSE IF( lsamen( 3, path, 'CSD' ) ) THEN
497 *
498 * SORCSD
499 *
500  srnamt = 'SORCSD'
501  infot = 7
502  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
503  $ -1, 0, 0, a, 1, a,
504  $ 1, a, 1, a, 1, a,
505  $ a, 1, a, 1, a, 1, a,
506  $ 1, w, lw, iw, info )
507  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
508  infot = 8
509  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
510  $ 1, -1, 0, a, 1, a,
511  $ 1, a, 1, a, 1, a,
512  $ a, 1, a, 1, a, 1, a,
513  $ 1, w, lw, iw, info )
514  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
515  infot = 9
516  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
517  $ 1, 1, -1, a, 1, a,
518  $ 1, a, 1, a, 1, a,
519  $ a, 1, a, 1, a, 1, a,
520  $ 1, w, lw, iw, info )
521  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
522  infot = 11
523  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
524  $ 1, 1, 1, a, -1, a,
525  $ 1, a, 1, a, 1, a,
526  $ a, 1, a, 1, a, 1, a,
527  $ 1, w, lw, iw, info )
528  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
529  infot = 20
530  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
531  $ 1, 1, 1, a, 1, a,
532  $ 1, a, 1, a, 1, a,
533  $ a, -1, a, 1, a, 1, a,
534  $ 1, w, lw, iw, info )
535  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
536  infot = 22
537  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
538  $ 1, 1, 1, a, 1, a,
539  $ 1, a, 1, a, 1, a,
540  $ a, 1, a, -1, a, 1, a,
541  $ 1, w, lw, iw, info )
542  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
543  infot = 24
544  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
545  $ 1, 1, 1, a, 1, a,
546  $ 1, a, 1, a, 1, a,
547  $ a, 1, a, 1, a, -1, a,
548  $ 1, w, lw, iw, info )
549  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
550  infot = 26
551  CALL sorcsd( 'Y', 'Y', 'Y', 'Y', 'N', 'N',
552  $ 1, 1, 1, a, 1, a,
553  $ 1, a, 1, a, 1, a,
554  $ a, 1, a, 1, a, 1, a,
555  $ -1, w, lw, iw, info )
556  CALL chkxer( 'SORCSD', infot, nout, lerr, ok )
557  nt = nt + 8
558 *
559 * Test error exits for the GQR path.
560 *
561  ELSE IF( lsamen( 3, path, 'GQR' ) ) THEN
562 *
563 * SGGQRF
564 *
565  srnamt = 'SGGQRF'
566  infot = 1
567  CALL sggqrf( -1, 0, 0, a, 1, r1, b, 1, r2, w, lw, info )
568  CALL chkxer( 'SGGQRF', infot, nout, lerr, ok )
569  infot = 2
570  CALL sggqrf( 0, -1, 0, a, 1, r1, b, 1, r2, w, lw, info )
571  CALL chkxer( 'SGGQRF', infot, nout, lerr, ok )
572  infot = 3
573  CALL sggqrf( 0, 0, -1, a, 1, r1, b, 1, r2, w, lw, info )
574  CALL chkxer( 'SGGQRF', infot, nout, lerr, ok )
575  infot = 5
576  CALL sggqrf( 0, 0, 0, a, 0, r1, b, 1, r2, w, lw, info )
577  CALL chkxer( 'SGGQRF', infot, nout, lerr, ok )
578  infot = 8
579  CALL sggqrf( 0, 0, 0, a, 1, r1, b, 0, r2, w, lw, info )
580  CALL chkxer( 'SGGQRF', infot, nout, lerr, ok )
581  infot = 11
582  CALL sggqrf( 1, 1, 2, a, 1, r1, b, 1, r2, w, 1, info )
583  CALL chkxer( 'SGGQRF', infot, nout, lerr, ok )
584  nt = nt + 6
585 *
586 * SGGRQF
587 *
588  srnamt = 'SGGRQF'
589  infot = 1
590  CALL sggrqf( -1, 0, 0, a, 1, r1, b, 1, r2, w, lw, info )
591  CALL chkxer( 'SGGRQF', infot, nout, lerr, ok )
592  infot = 2
593  CALL sggrqf( 0, -1, 0, a, 1, r1, b, 1, r2, w, lw, info )
594  CALL chkxer( 'SGGRQF', infot, nout, lerr, ok )
595  infot = 3
596  CALL sggrqf( 0, 0, -1, a, 1, r1, b, 1, r2, w, lw, info )
597  CALL chkxer( 'SGGRQF', infot, nout, lerr, ok )
598  infot = 5
599  CALL sggrqf( 0, 0, 0, a, 0, r1, b, 1, r2, w, lw, info )
600  CALL chkxer( 'SGGRQF', infot, nout, lerr, ok )
601  infot = 8
602  CALL sggrqf( 0, 0, 0, a, 1, r1, b, 0, r2, w, lw, info )
603  CALL chkxer( 'SGGRQF', infot, nout, lerr, ok )
604  infot = 11
605  CALL sggrqf( 1, 1, 2, a, 1, r1, b, 1, r2, w, 1, info )
606  CALL chkxer( 'SGGRQF', infot, nout, lerr, ok )
607  nt = nt + 6
608 *
609 * Test error exits for the SGS, SGV, SGX, and SXV paths.
610 *
611  ELSE IF( lsamen( 3, path, 'SGS' ) .OR.
612  $ lsamen( 3, path, 'SGV' ) .OR.
613  $ lsamen( 3, path, 'SGX' ) .OR. lsamen( 3, path, 'SXV' ) )
614  $ THEN
615 *
616 * SGGES
617 *
618  srnamt = 'SGGES '
619  infot = 1
620  CALL sgges( '/', 'N', 'S', slctes, 1, a, 1, b, 1, sdim, r1, r2,
621  $ r3, q, 1, u, 1, w, 1, bw, info )
622  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
623  infot = 2
624  CALL sgges( 'N', '/', 'S', slctes, 1, a, 1, b, 1, sdim, r1, r2,
625  $ r3, q, 1, u, 1, w, 1, bw, info )
626  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
627  infot = 3
628  CALL sgges( 'N', 'V', '/', slctes, 1, a, 1, b, 1, sdim, r1, r2,
629  $ r3, q, 1, u, 1, w, 1, bw, info )
630  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
631  infot = 5
632  CALL sgges( 'N', 'V', 'S', slctes, -1, a, 1, b, 1, sdim, r1,
633  $ r2, r3, q, 1, u, 1, w, 1, bw, info )
634  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
635  infot = 7
636  CALL sgges( 'N', 'V', 'S', slctes, 1, a, 0, b, 1, sdim, r1, r2,
637  $ r3, q, 1, u, 1, w, 1, bw, info )
638  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
639  infot = 9
640  CALL sgges( 'N', 'V', 'S', slctes, 1, a, 1, b, 0, sdim, r1, r2,
641  $ r3, q, 1, u, 1, w, 1, bw, info )
642  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
643  infot = 15
644  CALL sgges( 'N', 'V', 'S', slctes, 1, a, 1, b, 1, sdim, r1, r2,
645  $ r3, q, 0, u, 1, w, 1, bw, info )
646  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
647  infot = 15
648  CALL sgges( 'V', 'V', 'S', slctes, 2, a, 2, b, 2, sdim, r1, r2,
649  $ r3, q, 1, u, 2, w, 1, bw, info )
650  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
651  infot = 17
652  CALL sgges( 'N', 'V', 'S', slctes, 1, a, 1, b, 1, sdim, r1, r2,
653  $ r3, q, 1, u, 0, w, 1, bw, info )
654  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
655  infot = 17
656  CALL sgges( 'V', 'V', 'S', slctes, 2, a, 2, b, 2, sdim, r1, r2,
657  $ r3, q, 2, u, 1, w, 1, bw, info )
658  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
659  infot = 19
660  CALL sgges( 'V', 'V', 'S', slctes, 2, a, 2, b, 2, sdim, r1, r2,
661  $ r3, q, 2, u, 2, w, 1, bw, info )
662  CALL chkxer( 'SGGES ', infot, nout, lerr, ok )
663  nt = nt + 11
664 *
665 * SGGESX
666 *
667  srnamt = 'SGGESX'
668  infot = 1
669  CALL sggesx( '/', 'N', 'S', slctsx, 'N', 1, a, 1, b, 1, sdim,
670  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
671  $ info )
672  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
673  infot = 2
674  CALL sggesx( 'N', '/', 'S', slctsx, 'N', 1, a, 1, b, 1, sdim,
675  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
676  $ info )
677  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
678  infot = 3
679  CALL sggesx( 'V', 'V', '/', slctsx, 'N', 1, a, 1, b, 1, sdim,
680  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
681  $ info )
682  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
683  infot = 5
684  CALL sggesx( 'V', 'V', 'S', slctsx, '/', 1, a, 1, b, 1, sdim,
685  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
686  $ info )
687  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
688  infot = 6
689  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', -1, a, 1, b, 1, sdim,
690  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
691  $ info )
692  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
693  infot = 8
694  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', 1, a, 0, b, 1, sdim,
695  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
696  $ info )
697  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
698  infot = 10
699  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', 1, a, 1, b, 0, sdim,
700  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
701  $ info )
702  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
703  infot = 16
704  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', 1, a, 1, b, 1, sdim,
705  $ r1, r2, r3, q, 0, u, 1, rce, rcv, w, 1, iw, 1, bw,
706  $ info )
707  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
708  infot = 16
709  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', 2, a, 2, b, 2, sdim,
710  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 1, iw, 1, bw,
711  $ info )
712  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
713  infot = 18
714  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', 1, a, 1, b, 1, sdim,
715  $ r1, r2, r3, q, 1, u, 0, rce, rcv, w, 1, iw, 1, bw,
716  $ info )
717  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
718  infot = 18
719  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', 2, a, 2, b, 2, sdim,
720  $ r1, r2, r3, q, 2, u, 1, rce, rcv, w, 1, iw, 1, bw,
721  $ info )
722  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
723  infot = 22
724  CALL sggesx( 'V', 'V', 'S', slctsx, 'B', 2, a, 2, b, 2, sdim,
725  $ r1, r2, r3, q, 2, u, 2, rce, rcv, w, 1, iw, 1, bw,
726  $ info )
727  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
728  infot = 24
729  CALL sggesx( 'V', 'V', 'S', slctsx, 'V', 1, a, 1, b, 1, sdim,
730  $ r1, r2, r3, q, 1, u, 1, rce, rcv, w, 32, iw, 0,
731  $ bw, info )
732  CALL chkxer( 'SGGESX', infot, nout, lerr, ok )
733  nt = nt + 13
734 *
735 * SGGEV
736 *
737  srnamt = 'SGGEV '
738  infot = 1
739  CALL sggev( '/', 'N', 1, a, 1, b, 1, r1, r2, r3, q, 1, u, 1, w,
740  $ 1, info )
741  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
742  infot = 2
743  CALL sggev( 'N', '/', 1, a, 1, b, 1, r1, r2, r3, q, 1, u, 1, w,
744  $ 1, info )
745  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
746  infot = 3
747  CALL sggev( 'V', 'V', -1, a, 1, b, 1, r1, r2, r3, q, 1, u, 1,
748  $ w, 1, info )
749  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
750  infot = 5
751  CALL sggev( 'V', 'V', 1, a, 0, b, 1, r1, r2, r3, q, 1, u, 1, w,
752  $ 1, info )
753  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
754  infot = 7
755  CALL sggev( 'V', 'V', 1, a, 1, b, 0, r1, r2, r3, q, 1, u, 1, w,
756  $ 1, info )
757  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
758  infot = 12
759  CALL sggev( 'N', 'V', 1, a, 1, b, 1, r1, r2, r3, q, 0, u, 1, w,
760  $ 1, info )
761  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
762  infot = 12
763  CALL sggev( 'V', 'V', 2, a, 2, b, 2, r1, r2, r3, q, 1, u, 2, w,
764  $ 1, info )
765  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
766  infot = 14
767  CALL sggev( 'V', 'N', 2, a, 2, b, 2, r1, r2, r3, q, 2, u, 0, w,
768  $ 1, info )
769  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
770  infot = 14
771  CALL sggev( 'V', 'V', 2, a, 2, b, 2, r1, r2, r3, q, 2, u, 1, w,
772  $ 1, info )
773  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
774  infot = 16
775  CALL sggev( 'V', 'V', 1, a, 1, b, 1, r1, r2, r3, q, 1, u, 1, w,
776  $ 1, info )
777  CALL chkxer( 'SGGEV ', infot, nout, lerr, ok )
778  nt = nt + 10
779 *
780 * SGGEVX
781 *
782  srnamt = 'SGGEVX'
783  infot = 1
784  CALL sggevx( '/', 'N', 'N', 'N', 1, a, 1, b, 1, r1, r2, r3, q,
785  $ 1, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
786  $ w, 1, iw, bw, info )
787  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
788  infot = 2
789  CALL sggevx( 'N', '/', 'N', 'N', 1, a, 1, b, 1, r1, r2, r3, q,
790  $ 1, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
791  $ w, 1, iw, bw, info )
792  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
793  infot = 3
794  CALL sggevx( 'N', 'N', '/', 'N', 1, a, 1, b, 1, r1, r2, r3, q,
795  $ 1, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
796  $ w, 1, iw, bw, info )
797  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
798  infot = 4
799  CALL sggevx( 'N', 'N', 'N', '/', 1, a, 1, b, 1, r1, r2, r3, q,
800  $ 1, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
801  $ w, 1, iw, bw, info )
802  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
803  infot = 5
804  CALL sggevx( 'N', 'N', 'N', 'N', -1, a, 1, b, 1, r1, r2, r3, q,
805  $ 1, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
806  $ w, 1, iw, bw, info )
807  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
808  infot = 7
809  CALL sggevx( 'N', 'N', 'N', 'N', 1, a, 0, b, 1, r1, r2, r3, q,
810  $ 1, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
811  $ w, 1, iw, bw, info )
812  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
813  infot = 9
814  CALL sggevx( 'N', 'N', 'N', 'N', 1, a, 1, b, 0, r1, r2, r3, q,
815  $ 1, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
816  $ w, 1, iw, bw, info )
817  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
818  infot = 14
819  CALL sggevx( 'N', 'N', 'N', 'N', 1, a, 1, b, 1, r1, r2, r3, q,
820  $ 0, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
821  $ w, 1, iw, bw, info )
822  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
823  infot = 14
824  CALL sggevx( 'N', 'V', 'N', 'N', 2, a, 2, b, 2, r1, r2, r3, q,
825  $ 1, u, 2, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
826  $ w, 1, iw, bw, info )
827  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
828  infot = 16
829  CALL sggevx( 'N', 'N', 'N', 'N', 1, a, 1, b, 1, r1, r2, r3, q,
830  $ 1, u, 0, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
831  $ w, 1, iw, bw, info )
832  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
833  infot = 16
834  CALL sggevx( 'N', 'N', 'V', 'N', 2, a, 2, b, 2, r1, r2, r3, q,
835  $ 2, u, 1, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
836  $ w, 1, iw, bw, info )
837  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
838  infot = 26
839  CALL sggevx( 'N', 'N', 'V', 'N', 2, a, 2, b, 2, r1, r2, r3, q,
840  $ 2, u, 2, ilo, ihi, ls, rs, anrm, bnrm, rce, rcv,
841  $ w, 1, iw, bw, info )
842  CALL chkxer( 'SGGEVX', infot, nout, lerr, ok )
843  nt = nt + 12
844 *
845 * STGEXC
846 *
847  srnamt = 'STGEXC'
848  infot = 3
849  CALL stgexc( .true., .true., -1, a, 1, b, 1, q, 1, z, 1, ifst,
850  $ ilst, w, 1, info )
851  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
852  infot = 5
853  CALL stgexc( .true., .true., 1, a, 0, b, 1, q, 1, z, 1, ifst,
854  $ ilst, w, 1, info )
855  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
856  infot = 7
857  CALL stgexc( .true., .true., 1, a, 1, b, 0, q, 1, z, 1, ifst,
858  $ ilst, w, 1, info )
859  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
860  infot = 9
861  CALL stgexc( .false., .true., 1, a, 1, b, 1, q, 0, z, 1, ifst,
862  $ ilst, w, 1, info )
863  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
864  infot = 9
865  CALL stgexc( .true., .true., 1, a, 1, b, 1, q, 0, z, 1, ifst,
866  $ ilst, w, 1, info )
867  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
868  infot = 11
869  CALL stgexc( .true., .false., 1, a, 1, b, 1, q, 1, z, 0, ifst,
870  $ ilst, w, 1, info )
871  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
872  infot = 11
873  CALL stgexc( .true., .true., 1, a, 1, b, 1, q, 1, z, 0, ifst,
874  $ ilst, w, 1, info )
875  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
876  infot = 15
877  CALL stgexc( .true., .true., 1, a, 1, b, 1, q, 1, z, 1, ifst,
878  $ ilst, w, 0, info )
879  CALL chkxer( 'STGEXC', infot, nout, lerr, ok )
880  nt = nt + 8
881 *
882 * STGSEN
883 *
884  srnamt = 'STGSEN'
885  infot = 1
886  CALL stgsen( -1, .true., .true., sel, 1, a, 1, b, 1, r1, r2,
887  $ r3, q, 1, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
888  $ info )
889  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
890  infot = 5
891  CALL stgsen( 1, .true., .true., sel, -1, a, 1, b, 1, r1, r2,
892  $ r3, q, 1, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
893  $ info )
894  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
895  infot = 7
896  CALL stgsen( 1, .true., .true., sel, 1, a, 0, b, 1, r1, r2, r3,
897  $ q, 1, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
898  $ info )
899  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
900  infot = 9
901  CALL stgsen( 1, .true., .true., sel, 1, a, 1, b, 0, r1, r2, r3,
902  $ q, 1, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
903  $ info )
904  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
905  infot = 14
906  CALL stgsen( 1, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
907  $ q, 0, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
908  $ info )
909  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
910  infot = 16
911  CALL stgsen( 1, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
912  $ q, 1, z, 0, m, tola, tolb, rcv, w, 1, iw, 1,
913  $ info )
914  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
915  infot = 22
916  CALL stgsen( 0, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
917  $ q, 1, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
918  $ info )
919  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
920  infot = 22
921  CALL stgsen( 1, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
922  $ q, 1, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
923  $ info )
924  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
925  infot = 22
926  CALL stgsen( 2, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
927  $ q, 1, z, 1, m, tola, tolb, rcv, w, 1, iw, 1,
928  $ info )
929  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
930  infot = 24
931  CALL stgsen( 0, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
932  $ q, 1, z, 1, m, tola, tolb, rcv, w, 20, iw, 0,
933  $ info )
934  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
935  infot = 24
936  CALL stgsen( 1, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
937  $ q, 1, z, 1, m, tola, tolb, rcv, w, 20, iw, 0,
938  $ info )
939  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
940  infot = 24
941  CALL stgsen( 2, .true., .true., sel, 1, a, 1, b, 1, r1, r2, r3,
942  $ q, 1, z, 1, m, tola, tolb, rcv, w, 20, iw, 1,
943  $ info )
944  CALL chkxer( 'STGSEN', infot, nout, lerr, ok )
945  nt = nt + 12
946 *
947 * STGSNA
948 *
949  srnamt = 'STGSNA'
950  infot = 1
951  CALL stgsna( '/', 'A', sel, 1, a, 1, b, 1, q, 1, u, 1, r1, r2,
952  $ 1, m, w, 1, iw, info )
953  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
954  infot = 2
955  CALL stgsna( 'B', '/', sel, 1, a, 1, b, 1, q, 1, u, 1, r1, r2,
956  $ 1, m, w, 1, iw, info )
957  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
958  infot = 4
959  CALL stgsna( 'B', 'A', sel, -1, a, 1, b, 1, q, 1, u, 1, r1, r2,
960  $ 1, m, w, 1, iw, info )
961  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
962  infot = 6
963  CALL stgsna( 'B', 'A', sel, 1, a, 0, b, 1, q, 1, u, 1, r1, r2,
964  $ 1, m, w, 1, iw, info )
965  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
966  infot = 8
967  CALL stgsna( 'B', 'A', sel, 1, a, 1, b, 0, q, 1, u, 1, r1, r2,
968  $ 1, m, w, 1, iw, info )
969  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
970  infot = 10
971  CALL stgsna( 'E', 'A', sel, 1, a, 1, b, 1, q, 0, u, 1, r1, r2,
972  $ 1, m, w, 1, iw, info )
973  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
974  infot = 12
975  CALL stgsna( 'E', 'A', sel, 1, a, 1, b, 1, q, 1, u, 0, r1, r2,
976  $ 1, m, w, 1, iw, info )
977  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
978  infot = 15
979  CALL stgsna( 'E', 'A', sel, 1, a, 1, b, 1, q, 1, u, 1, r1, r2,
980  $ 0, m, w, 1, iw, info )
981  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
982  infot = 18
983  CALL stgsna( 'E', 'A', sel, 1, a, 1, b, 1, q, 1, u, 1, r1, r2,
984  $ 1, m, w, 0, iw, info )
985  CALL chkxer( 'STGSNA', infot, nout, lerr, ok )
986  nt = nt + 9
987 *
988 * STGSYL
989 *
990  srnamt = 'STGSYL'
991  infot = 1
992  CALL stgsyl( '/', 0, 1, 1, a, 1, b, 1, q, 1, u, 1, v, 1, z, 1,
993  $ scale, dif, w, 1, iw, info )
994  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
995  infot = 2
996  CALL stgsyl( 'N', -1, 1, 1, a, 1, b, 1, q, 1, u, 1, v, 1, z, 1,
997  $ scale, dif, w, 1, iw, info )
998  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
999  infot = 3
1000  CALL stgsyl( 'N', 0, 0, 1, a, 1, b, 1, q, 1, u, 1, v, 1, z, 1,
1001  $ scale, dif, w, 1, iw, info )
1002  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1003  infot = 4
1004  CALL stgsyl( 'N', 0, 1, 0, a, 1, b, 1, q, 1, u, 1, v, 1, z, 1,
1005  $ scale, dif, w, 1, iw, info )
1006  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1007  infot = 6
1008  CALL stgsyl( 'N', 0, 1, 1, a, 0, b, 1, q, 1, u, 1, v, 1, z, 1,
1009  $ scale, dif, w, 1, iw, info )
1010  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1011  infot = 8
1012  CALL stgsyl( 'N', 0, 1, 1, a, 1, b, 0, q, 1, u, 1, v, 1, z, 1,
1013  $ scale, dif, w, 1, iw, info )
1014  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1015  infot = 10
1016  CALL stgsyl( 'N', 0, 1, 1, a, 1, b, 1, q, 0, u, 1, v, 1, z, 1,
1017  $ scale, dif, w, 1, iw, info )
1018  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1019  infot = 12
1020  CALL stgsyl( 'N', 0, 1, 1, a, 1, b, 1, q, 1, u, 0, v, 1, z, 1,
1021  $ scale, dif, w, 1, iw, info )
1022  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1023  infot = 14
1024  CALL stgsyl( 'N', 0, 1, 1, a, 1, b, 1, q, 1, u, 1, v, 0, z, 1,
1025  $ scale, dif, w, 1, iw, info )
1026  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1027  infot = 16
1028  CALL stgsyl( 'N', 0, 1, 1, a, 1, b, 1, q, 1, u, 1, v, 1, z, 0,
1029  $ scale, dif, w, 1, iw, info )
1030  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1031  infot = 20
1032  CALL stgsyl( 'N', 1, 1, 1, a, 1, b, 1, q, 1, u, 1, v, 1, z, 1,
1033  $ scale, dif, w, 1, iw, info )
1034  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1035  infot = 20
1036  CALL stgsyl( 'N', 2, 1, 1, a, 1, b, 1, q, 1, u, 1, v, 1, z, 1,
1037  $ scale, dif, w, 1, iw, info )
1038  CALL chkxer( 'STGSYL', infot, nout, lerr, ok )
1039  nt = nt + 12
1040  END IF
1041 *
1042 * Print a summary line.
1043 *
1044  IF( ok ) THEN
1045  WRITE( nout, fmt = 9999 )path, nt
1046  ELSE
1047  WRITE( nout, fmt = 9998 )path
1048  END IF
1049 *
1050  9999 format( 1x, a3, ' routines passed the tests of the error exits (',
1051  $ i3, ' tests done)' )
1052  9998 format( ' *** ', a3, ' routines failed the tests of the error ',
1053  $ 'exits ***' )
1054 *
1055  return
1056 *
1057 * End of SERRGG
1058 *
1059  END