LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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zerrql.f
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1*> \brief \b ZERRQL
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 ZERRQL( 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*> ZERRQL tests the error exits for the COMPLEX*16 routines
25*> that use the QL 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 zerrql( 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, zgeql2, zgeqlf, zgeqls, zung2l,
80 $ zungql, zunm2l, zunmql
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 QL factorization
115*
116* ZGEQLF
117*
118 srnamt = 'ZGEQLF'
119 infot = 1
120 CALL zgeqlf( -1, 0, a, 1, b, w, 1, info )
121 CALL chkxer( 'ZGEQLF', infot, nout, lerr, ok )
122 infot = 2
123 CALL zgeqlf( 0, -1, a, 1, b, w, 1, info )
124 CALL chkxer( 'ZGEQLF', infot, nout, lerr, ok )
125 infot = 4
126 CALL zgeqlf( 2, 1, a, 1, b, w, 1, info )
127 CALL chkxer( 'ZGEQLF', infot, nout, lerr, ok )
128 infot = 7
129 CALL zgeqlf( 1, 2, a, 1, b, w, 1, info )
130 CALL chkxer( 'ZGEQLF', infot, nout, lerr, ok )
131*
132* ZGEQL2
133*
134 srnamt = 'ZGEQL2'
135 infot = 1
136 CALL zgeql2( -1, 0, a, 1, b, w, info )
137 CALL chkxer( 'ZGEQL2', infot, nout, lerr, ok )
138 infot = 2
139 CALL zgeql2( 0, -1, a, 1, b, w, info )
140 CALL chkxer( 'ZGEQL2', infot, nout, lerr, ok )
141 infot = 4
142 CALL zgeql2( 2, 1, a, 1, b, w, info )
143 CALL chkxer( 'ZGEQL2', infot, nout, lerr, ok )
144*
145* ZGEQLS
146*
147 srnamt = 'ZGEQLS'
148 infot = 1
149 CALL zgeqls( -1, 0, 0, a, 1, x, b, 1, w, 1, info )
150 CALL chkxer( 'ZGEQLS', infot, nout, lerr, ok )
151 infot = 2
152 CALL zgeqls( 0, -1, 0, a, 1, x, b, 1, w, 1, info )
153 CALL chkxer( 'ZGEQLS', infot, nout, lerr, ok )
154 infot = 2
155 CALL zgeqls( 1, 2, 0, a, 1, x, b, 1, w, 1, info )
156 CALL chkxer( 'ZGEQLS', infot, nout, lerr, ok )
157 infot = 3
158 CALL zgeqls( 0, 0, -1, a, 1, x, b, 1, w, 1, info )
159 CALL chkxer( 'ZGEQLS', infot, nout, lerr, ok )
160 infot = 5
161 CALL zgeqls( 2, 1, 0, a, 1, x, b, 2, w, 1, info )
162 CALL chkxer( 'ZGEQLS', infot, nout, lerr, ok )
163 infot = 8
164 CALL zgeqls( 2, 1, 0, a, 2, x, b, 1, w, 1, info )
165 CALL chkxer( 'ZGEQLS', infot, nout, lerr, ok )
166 infot = 10
167 CALL zgeqls( 1, 1, 2, a, 1, x, b, 1, w, 1, info )
168 CALL chkxer( 'ZGEQLS', infot, nout, lerr, ok )
169*
170* ZUNGQL
171*
172 srnamt = 'ZUNGQL'
173 infot = 1
174 CALL zungql( -1, 0, 0, a, 1, x, w, 1, info )
175 CALL chkxer( 'ZUNGQL', infot, nout, lerr, ok )
176 infot = 2
177 CALL zungql( 0, -1, 0, a, 1, x, w, 1, info )
178 CALL chkxer( 'ZUNGQL', infot, nout, lerr, ok )
179 infot = 2
180 CALL zungql( 1, 2, 0, a, 1, x, w, 2, info )
181 CALL chkxer( 'ZUNGQL', infot, nout, lerr, ok )
182 infot = 3
183 CALL zungql( 0, 0, -1, a, 1, x, w, 1, info )
184 CALL chkxer( 'ZUNGQL', infot, nout, lerr, ok )
185 infot = 3
186 CALL zungql( 1, 1, 2, a, 1, x, w, 1, info )
187 CALL chkxer( 'ZUNGQL', infot, nout, lerr, ok )
188 infot = 5
189 CALL zungql( 2, 1, 0, a, 1, x, w, 1, info )
190 CALL chkxer( 'ZUNGQL', infot, nout, lerr, ok )
191 infot = 8
192 CALL zungql( 2, 2, 0, a, 2, x, w, 1, info )
193 CALL chkxer( 'ZUNGQL', infot, nout, lerr, ok )
194*
195* ZUNG2L
196*
197 srnamt = 'ZUNG2L'
198 infot = 1
199 CALL zung2l( -1, 0, 0, a, 1, x, w, info )
200 CALL chkxer( 'ZUNG2L', infot, nout, lerr, ok )
201 infot = 2
202 CALL zung2l( 0, -1, 0, a, 1, x, w, info )
203 CALL chkxer( 'ZUNG2L', infot, nout, lerr, ok )
204 infot = 2
205 CALL zung2l( 1, 2, 0, a, 1, x, w, info )
206 CALL chkxer( 'ZUNG2L', infot, nout, lerr, ok )
207 infot = 3
208 CALL zung2l( 0, 0, -1, a, 1, x, w, info )
209 CALL chkxer( 'ZUNG2L', infot, nout, lerr, ok )
210 infot = 3
211 CALL zung2l( 2, 1, 2, a, 2, x, w, info )
212 CALL chkxer( 'ZUNG2L', infot, nout, lerr, ok )
213 infot = 5
214 CALL zung2l( 2, 1, 0, a, 1, x, w, info )
215 CALL chkxer( 'ZUNG2L', infot, nout, lerr, ok )
216*
217* ZUNMQL
218*
219 srnamt = 'ZUNMQL'
220 infot = 1
221 CALL zunmql( '/', 'N', 0, 0, 0, a, 1, x, af, 1, w, 1, info )
222 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
223 infot = 2
224 CALL zunmql( 'L', '/', 0, 0, 0, a, 1, x, af, 1, w, 1, info )
225 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
226 infot = 3
227 CALL zunmql( 'L', 'N', -1, 0, 0, a, 1, x, af, 1, w, 1, info )
228 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
229 infot = 4
230 CALL zunmql( 'L', 'N', 0, -1, 0, a, 1, x, af, 1, w, 1, info )
231 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
232 infot = 5
233 CALL zunmql( 'L', 'N', 0, 0, -1, a, 1, x, af, 1, w, 1, info )
234 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
235 infot = 5
236 CALL zunmql( 'L', 'N', 0, 1, 1, a, 1, x, af, 1, w, 1, info )
237 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
238 infot = 5
239 CALL zunmql( 'R', 'N', 1, 0, 1, a, 1, x, af, 1, w, 1, info )
240 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
241 infot = 7
242 CALL zunmql( 'L', 'N', 2, 1, 0, a, 1, x, af, 2, w, 1, info )
243 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
244 infot = 7
245 CALL zunmql( 'R', 'N', 1, 2, 0, a, 1, x, af, 1, w, 1, info )
246 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
247 infot = 10
248 CALL zunmql( 'L', 'N', 2, 1, 0, a, 2, x, af, 1, w, 1, info )
249 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
250 infot = 12
251 CALL zunmql( 'L', 'N', 1, 2, 0, a, 1, x, af, 1, w, 1, info )
252 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
253 infot = 12
254 CALL zunmql( 'R', 'N', 2, 1, 0, a, 1, x, af, 2, w, 1, info )
255 CALL chkxer( 'ZUNMQL', infot, nout, lerr, ok )
256*
257* ZUNM2L
258*
259 srnamt = 'ZUNM2L'
260 infot = 1
261 CALL zunm2l( '/', 'N', 0, 0, 0, a, 1, x, af, 1, w, info )
262 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
263 infot = 2
264 CALL zunm2l( 'L', '/', 0, 0, 0, a, 1, x, af, 1, w, info )
265 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
266 infot = 3
267 CALL zunm2l( 'L', 'N', -1, 0, 0, a, 1, x, af, 1, w, info )
268 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
269 infot = 4
270 CALL zunm2l( 'L', 'N', 0, -1, 0, a, 1, x, af, 1, w, info )
271 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
272 infot = 5
273 CALL zunm2l( 'L', 'N', 0, 0, -1, a, 1, x, af, 1, w, info )
274 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
275 infot = 5
276 CALL zunm2l( 'L', 'N', 0, 1, 1, a, 1, x, af, 1, w, info )
277 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
278 infot = 5
279 CALL zunm2l( 'R', 'N', 1, 0, 1, a, 1, x, af, 1, w, info )
280 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
281 infot = 7
282 CALL zunm2l( 'L', 'N', 2, 1, 0, a, 1, x, af, 2, w, info )
283 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
284 infot = 7
285 CALL zunm2l( 'R', 'N', 1, 2, 0, a, 1, x, af, 1, w, info )
286 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
287 infot = 10
288 CALL zunm2l( 'L', 'N', 2, 1, 0, a, 2, x, af, 1, w, info )
289 CALL chkxer( 'ZUNM2L', infot, nout, lerr, ok )
290*
291* Print a summary line.
292*
293 CALL alaesm( path, ok, nout )
294*
295 RETURN
296*
297* End of ZERRQL
298*
299 END
alaesm
subroutine alaesm(path, ok, nout)
ALAESM
Definition alaesm.f:63
chkxer
subroutine chkxer(srnamt, infot, nout, lerr, ok)
Definition cblat2.f:3224
zgeql2
subroutine zgeql2(m, n, a, lda, tau, work, info)
ZGEQL2 computes the QL factorization of a general rectangular matrix using an unblocked algorithm.
Definition zgeql2.f:121
zgeqlf
subroutine zgeqlf(m, n, a, lda, tau, work, lwork, info)
ZGEQLF
Definition zgeqlf.f:137
zung2l
subroutine zung2l(m, n, k, a, lda, tau, work, info)
ZUNG2L generates all or part of the unitary matrix Q from a QL factorization determined by cgeqlf (un...
Definition zung2l.f:112
zungql
subroutine zungql(m, n, k, a, lda, tau, work, lwork, info)
ZUNGQL
Definition zungql.f:126
zunm2l
subroutine zunm2l(side, trans, m, n, k, a, lda, tau, c, ldc, work, info)
ZUNM2L multiplies a general matrix by the unitary matrix from a QL factorization determined by cgeqlf...
Definition zunm2l.f:157
zunmql
subroutine zunmql(side, trans, m, n, k, a, lda, tau, c, ldc, work, lwork, info)
ZUNMQL
Definition zunmql.f:165
zerrql
subroutine zerrql(path, nunit)
ZERRQL
Definition zerrql.f:55
zgeqls
subroutine zgeqls(m, n, nrhs, a, lda, tau, b, ldb, work, lwork, info)
ZGEQLS
Definition zgeqls.f:122