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zerrlq.f
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1*> \brief \b ZERRLQ
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 ZERRLQ( 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*> ZERRLQ tests the error exits for the COMPLEX*16 routines
25*> that use the LQ decomposition of a general matrix.
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 complex16_lin
52*
53* =====================================================================
54 SUBROUTINE zerrlq( 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
69 parameter( nmax = 2 )
70* ..
71* .. Local Scalars ..
72 INTEGER I, INFO, J
73* ..
74* .. Local Arrays ..
75 COMPLEX*16 A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
76 $ W( NMAX ), X( NMAX )
77* ..
78* .. External Subroutines ..
79 EXTERNAL alaesm, chkxer, zgelq2, zgelqf, zgelqs, zungl2,
80 $ zunglq, zunml2, zunmlq
81* ..
82* .. Scalars in Common ..
83 LOGICAL LERR, OK
84 CHARACTER*32 SRNAMT
85 INTEGER INFOT, NOUT
86* ..
87* .. Common blocks ..
88 COMMON / infoc / infot, nout, ok, lerr
89 COMMON / srnamc / srnamt
90* ..
91* .. Intrinsic Functions ..
92 INTRINSIC dble, dcmplx
93* ..
94* .. Executable Statements ..
95*
96 nout = nunit
97 WRITE( nout, fmt = * )
98*
99* Set the variables to innocuous values.
100*
101 DO 20 j = 1, nmax
102 DO 10 i = 1, nmax
103 a( i, j ) = dcmplx( 1.d0 / dble( i+j ),
104 $ -1.d0 / dble( i+j ) )
105 af( i, j ) = dcmplx( 1.d0 / dble( i+j ),
106 $ -1.d0 / dble( i+j ) )
107 10 CONTINUE
108 b( j ) = 0.d0
109 w( j ) = 0.d0
110 x( j ) = 0.d0
111 20 CONTINUE
112 ok = .true.
113*
114* Error exits for LQ factorization
115*
116* ZGELQF
117*
118 srnamt = 'ZGELQF'
119 infot = 1
120 CALL zgelqf( -1, 0, a, 1, b, w, 1, info )
121 CALL chkxer( 'ZGELQF', infot, nout, lerr, ok )
122 infot = 2
123 CALL zgelqf( 0, -1, a, 1, b, w, 1, info )
124 CALL chkxer( 'ZGELQF', infot, nout, lerr, ok )
125 infot = 4
126 CALL zgelqf( 2, 1, a, 1, b, w, 2, info )
127 CALL chkxer( 'ZGELQF', infot, nout, lerr, ok )
128 infot = 7
129 CALL zgelqf( 2, 1, a, 2, b, w, 1, info )
130 CALL chkxer( 'ZGELQF', infot, nout, lerr, ok )
131*
132* ZGELQ2
133*
134 srnamt = 'ZGELQ2'
135 infot = 1
136 CALL zgelq2( -1, 0, a, 1, b, w, info )
137 CALL chkxer( 'ZGELQ2', infot, nout, lerr, ok )
138 infot = 2
139 CALL zgelq2( 0, -1, a, 1, b, w, info )
140 CALL chkxer( 'ZGELQ2', infot, nout, lerr, ok )
141 infot = 4
142 CALL zgelq2( 2, 1, a, 1, b, w, info )
143 CALL chkxer( 'ZGELQ2', infot, nout, lerr, ok )
144*
145* ZGELQS
146*
147 srnamt = 'ZGELQS'
148 infot = 1
149 CALL zgelqs( -1, 0, 0, a, 1, x, b, 1, w, 1, info )
150 CALL chkxer( 'ZGELQS', infot, nout, lerr, ok )
151 infot = 2
152 CALL zgelqs( 0, -1, 0, a, 1, x, b, 1, w, 1, info )
153 CALL chkxer( 'ZGELQS', infot, nout, lerr, ok )
154 infot = 2
155 CALL zgelqs( 2, 1, 0, a, 2, x, b, 1, w, 1, info )
156 CALL chkxer( 'ZGELQS', infot, nout, lerr, ok )
157 infot = 3
158 CALL zgelqs( 0, 0, -1, a, 1, x, b, 1, w, 1, info )
159 CALL chkxer( 'ZGELQS', infot, nout, lerr, ok )
160 infot = 5
161 CALL zgelqs( 2, 2, 0, a, 1, x, b, 2, w, 1, info )
162 CALL chkxer( 'ZGELQS', infot, nout, lerr, ok )
163 infot = 8
164 CALL zgelqs( 1, 2, 0, a, 1, x, b, 1, w, 1, info )
165 CALL chkxer( 'ZGELQS', infot, nout, lerr, ok )
166 infot = 10
167 CALL zgelqs( 1, 1, 2, a, 1, x, b, 1, w, 1, info )
168 CALL chkxer( 'ZGELQS', infot, nout, lerr, ok )
169*
170* ZUNGLQ
171*
172 srnamt = 'ZUNGLQ'
173 infot = 1
174 CALL zunglq( -1, 0, 0, a, 1, x, w, 1, info )
175 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
176 infot = 2
177 CALL zunglq( 0, -1, 0, a, 1, x, w, 1, info )
178 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
179 infot = 2
180 CALL zunglq( 2, 1, 0, a, 2, x, w, 2, info )
181 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
182 infot = 3
183 CALL zunglq( 0, 0, -1, a, 1, x, w, 1, info )
184 CALL chkxer( 'zunglq', INFOT, NOUT, LERR, OK )
185 INFOT = 3
186 CALL ZUNGLQ( 1, 1, 2, A, 1, X, W, 1, INFO )
187 CALL CHKXER( 'zunglq', INFOT, NOUT, LERR, OK )
188 INFOT = 5
189 CALL ZUNGLQ( 2, 2, 0, A, 1, X, W, 2, INFO )
190 CALL CHKXER( 'zunglq', INFOT, NOUT, LERR, OK )
191 INFOT = 8
192 CALL ZUNGLQ( 2, 2, 0, A, 2, X, W, 1, INFO )
193 CALL CHKXER( 'zunglq', INFOT, NOUT, LERR, OK )
194*
195* ZUNGL2
196*
197 SRNAMT = 'zungl2'
198 INFOT = 1
199 CALL ZUNGL2( -1, 0, 0, A, 1, X, W, INFO )
200 CALL CHKXER( 'zungl2', INFOT, NOUT, LERR, OK )
201 INFOT = 2
202 CALL ZUNGL2( 0, -1, 0, A, 1, X, W, INFO )
203 CALL CHKXER( 'zungl2', INFOT, NOUT, LERR, OK )
204 INFOT = 2
205 CALL ZUNGL2( 2, 1, 0, A, 2, X, W, INFO )
206 CALL CHKXER( 'zungl2', INFOT, NOUT, LERR, OK )
207 INFOT = 3
208 CALL ZUNGL2( 0, 0, -1, A, 1, X, W, INFO )
209 CALL CHKXER( 'zungl2', INFOT, NOUT, LERR, OK )
210 INFOT = 3
211 CALL ZUNGL2( 1, 1, 2, A, 1, X, W, INFO )
212 CALL CHKXER( 'zungl2', INFOT, NOUT, LERR, OK )
213 INFOT = 5
214 CALL ZUNGL2( 2, 2, 0, A, 1, X, W, INFO )
215 CALL CHKXER( 'zungl2', INFOT, NOUT, LERR, OK )
216*
217* ZUNMLQ
218*
219 SRNAMT = 'zunmlq'
220 INFOT = 1
221 CALL ZUNMLQ( '/', 'n', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
222 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
223 INFOT = 2
224 CALL ZUNMLQ( 'l', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
225 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
226 INFOT = 3
227 CALL ZUNMLQ( 'l', 'n', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
228 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
229 INFOT = 4
230 CALL ZUNMLQ( 'l', 'n', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO )
231 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
232 INFOT = 5
233 CALL ZUNMLQ( 'l', 'n', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO )
234 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
235 INFOT = 5
236 CALL ZUNMLQ( 'l', 'n', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO )
237 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
238 INFOT = 5
239 CALL ZUNMLQ( 'r', 'n', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO )
240 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
241 INFOT = 7
242 CALL ZUNMLQ( 'l', 'n', 2, 0, 2, A, 1, X, AF, 2, W, 1, INFO )
243 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
244 INFOT = 7
245 CALL ZUNMLQ( 'r', 'n', 0, 2, 2, A, 1, X, AF, 1, W, 1, INFO )
246 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
247 INFOT = 10
248 CALL ZUNMLQ( 'l', 'n', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO )
249 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
250 INFOT = 12
251 CALL ZUNMLQ( 'l', 'n', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
252 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
253 INFOT = 12
254 CALL ZUNMLQ( 'r', 'n', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
255 CALL CHKXER( 'zunmlq', INFOT, NOUT, LERR, OK )
256*
257* ZUNML2
258*
259 SRNAMT = 'zunml2'
260 INFOT = 1
261 CALL ZUNML2( '/', 'n', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
262 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
263 INFOT = 2
264 CALL ZUNML2( 'l', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
265 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
266 INFOT = 3
267 CALL ZUNML2( 'l', 'n', -1, 0, 0, A, 1, X, AF, 1, W, INFO )
268 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
269 INFOT = 4
270 CALL ZUNML2( 'l', 'n', 0, -1, 0, A, 1, X, AF, 1, W, INFO )
271 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
272 INFOT = 5
273 CALL ZUNML2( 'l', 'n', 0, 0, -1, A, 1, X, AF, 1, W, INFO )
274 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
275 INFOT = 5
276 CALL ZUNML2( 'l', 'n', 0, 1, 1, A, 1, X, AF, 1, W, INFO )
277 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
278 INFOT = 5
279 CALL ZUNML2( 'r', 'n', 1, 0, 1, A, 1, X, AF, 1, W, INFO )
280 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
281 INFOT = 7
282 CALL ZUNML2( 'l', 'n', 2, 1, 2, A, 1, X, AF, 2, W, INFO )
283 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
284 INFOT = 7
285 CALL ZUNML2( 'r', 'n', 1, 2, 2, A, 1, X, AF, 1, W, INFO )
286 CALL CHKXER( 'zunml2', INFOT, NOUT, LERR, OK )
287 INFOT = 10
288 CALL ZUNML2( 'l', 'N', 2, 1, 0, a, 2, x, af, 1, w, info )
289 CALL chkxer( 'zunml2', INFOT, NOUT, LERR, OK )
290*
291* Print a summary line.
292*
293 CALL ALAESM( PATH, OK, NOUT )
294*
295 RETURN
296*
297* End of ZERRLQ
298*
299 END
chkxer
subroutine chkxer(srnamt, infot, nout, lerr, ok)
Definition cblat2.f:3196
alaesm
subroutine alaesm(path, ok, nout)
ALAESM
Definition alaesm.f:63
zgelq2
subroutine zgelq2(m, n, a, lda, tau, work, info)
ZGELQ2 computes the LQ factorization of a general rectangular matrix using an unblocked algorithm.
Definition zgelq2.f:129
zgelqf
subroutine zgelqf(m, n, a, lda, tau, work, lwork, info)
ZGELQF
Definition zgelqf.f:143
zunmlq
subroutine zunmlq(side, trans, m, n, k, a, lda, tau, c, ldc, work, lwork, info)
ZUNMLQ
Definition zunmlq.f:167
zungl2
subroutine zungl2(m, n, k, a, lda, tau, work, info)
ZUNGL2 generates all or part of the unitary matrix Q from an LQ factorization determined by cgelqf (u...
Definition zungl2.f:113
zunglq
subroutine zunglq(m, n, k, a, lda, tau, work, lwork, info)
ZUNGLQ
Definition zunglq.f:127
zunml2
subroutine zunml2(side, trans, m, n, k, a, lda, tau, c, ldc, work, info)
ZUNML2 multiplies a general matrix by the unitary matrix from a LQ factorization determined by cgelqf...
Definition zunml2.f:159
zgelqs
subroutine zgelqs(m, n, nrhs, a, lda, tau, b, ldb, work, lwork, info)
ZGELQS
Definition zgelqs.f:121
zerrlq
subroutine zerrlq(path, nunit)
ZERRLQ
Definition zerrlq.f:55