LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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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, 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* ZUNGLQ
146*
147 srnamt = 'ZUNGLQ'
148 infot = 1
149 CALL zunglq( -1, 0, 0, a, 1, x, w, 1, info )
150 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
151 infot = 2
152 CALL zunglq( 0, -1, 0, a, 1, x, w, 1, info )
153 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
154 infot = 2
155 CALL zunglq( 2, 1, 0, a, 2, x, w, 2, info )
156 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
157 infot = 3
158 CALL zunglq( 0, 0, -1, a, 1, x, w, 1, info )
159 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
160 infot = 3
161 CALL zunglq( 1, 1, 2, a, 1, x, w, 1, info )
162 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
163 infot = 5
164 CALL zunglq( 2, 2, 0, a, 1, x, w, 2, info )
165 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
166 infot = 8
167 CALL zunglq( 2, 2, 0, a, 2, x, w, 1, info )
168 CALL chkxer( 'ZUNGLQ', infot, nout, lerr, ok )
169*
170* ZUNGL2
171*
172 srnamt = 'ZUNGL2'
173 infot = 1
174 CALL zungl2( -1, 0, 0, a, 1, x, w, info )
175 CALL chkxer( 'ZUNGL2', infot, nout, lerr, ok )
176 infot = 2
177 CALL zungl2( 0, -1, 0, a, 1, x, w, info )
178 CALL chkxer( 'ZUNGL2', infot, nout, lerr, ok )
179 infot = 2
180 CALL zungl2( 2, 1, 0, a, 2, x, w, info )
181 CALL chkxer( 'ZUNGL2', infot, nout, lerr, ok )
182 infot = 3
183 CALL zungl2( 0, 0, -1, a, 1, x, w, info )
184 CALL chkxer( 'ZUNGL2', infot, nout, lerr, ok )
185 infot = 3
186 CALL zungl2( 1, 1, 2, a, 1, x, w, info )
187 CALL chkxer( 'ZUNGL2', infot, nout, lerr, ok )
188 infot = 5
189 CALL zungl2( 2, 2, 0, a, 1, x, w, info )
190 CALL chkxer( 'ZUNGL2', infot, nout, lerr, ok )
191*
192* ZUNMLQ
193*
194 srnamt = 'ZUNMLQ'
195 infot = 1
196 CALL zunmlq( '/', 'N', 0, 0, 0, a, 1, x, af, 1, w, 1, info )
197 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
198 infot = 2
199 CALL zunmlq( 'L', '/', 0, 0, 0, a, 1, x, af, 1, w, 1, info )
200 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
201 infot = 3
202 CALL zunmlq( 'L', 'N', -1, 0, 0, a, 1, x, af, 1, w, 1, info )
203 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
204 infot = 4
205 CALL zunmlq( 'L', 'N', 0, -1, 0, a, 1, x, af, 1, w, 1, info )
206 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
207 infot = 5
208 CALL zunmlq( 'L', 'N', 0, 0, -1, a, 1, x, af, 1, w, 1, info )
209 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
210 infot = 5
211 CALL zunmlq( 'L', 'N', 0, 1, 1, a, 1, x, af, 1, w, 1, info )
212 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
213 infot = 5
214 CALL zunmlq( 'R', 'N', 1, 0, 1, a, 1, x, af, 1, w, 1, info )
215 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
216 infot = 7
217 CALL zunmlq( 'L', 'N', 2, 0, 2, a, 1, x, af, 2, w, 1, info )
218 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
219 infot = 7
220 CALL zunmlq( 'R', 'N', 0, 2, 2, a, 1, x, af, 1, w, 1, info )
221 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
222 infot = 10
223 CALL zunmlq( 'L', 'N', 2, 1, 0, a, 2, x, af, 1, w, 1, info )
224 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
225 infot = 12
226 CALL zunmlq( 'L', 'N', 1, 2, 0, a, 1, x, af, 1, w, 1, info )
227 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
228 infot = 12
229 CALL zunmlq( 'R', 'N', 2, 1, 0, a, 1, x, af, 2, w, 1, info )
230 CALL chkxer( 'ZUNMLQ', infot, nout, lerr, ok )
231*
232* ZUNML2
233*
234 srnamt = 'ZUNML2'
235 infot = 1
236 CALL zunml2( '/', 'N', 0, 0, 0, a, 1, x, af, 1, w, info )
237 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
238 infot = 2
239 CALL zunml2( 'L', '/', 0, 0, 0, a, 1, x, af, 1, w, info )
240 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
241 infot = 3
242 CALL zunml2( 'L', 'N', -1, 0, 0, a, 1, x, af, 1, w, info )
243 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
244 infot = 4
245 CALL zunml2( 'L', 'N', 0, -1, 0, a, 1, x, af, 1, w, info )
246 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
247 infot = 5
248 CALL zunml2( 'L', 'N', 0, 0, -1, a, 1, x, af, 1, w, info )
249 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
250 infot = 5
251 CALL zunml2( 'L', 'N', 0, 1, 1, a, 1, x, af, 1, w, info )
252 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
253 infot = 5
254 CALL zunml2( 'R', 'N', 1, 0, 1, a, 1, x, af, 1, w, info )
255 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
256 infot = 7
257 CALL zunml2( 'L', 'N', 2, 1, 2, a, 1, x, af, 2, w, info )
258 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
259 infot = 7
260 CALL zunml2( 'R', 'N', 1, 2, 2, a, 1, x, af, 1, w, info )
261 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
262 infot = 10
263 CALL zunml2( 'L', 'N', 2, 1, 0, a, 2, x, af, 1, w, info )
264 CALL chkxer( 'ZUNML2', infot, nout, lerr, ok )
265*
266* Print a summary line.
267*
268 CALL alaesm( path, ok, nout )
269*
270 RETURN
271*
272* End of ZERRLQ
273*
274 END
alaesm
subroutine alaesm(path, ok, nout)
ALAESM
Definition alaesm.f:63
chkxer
subroutine chkxer(srnamt, infot, nout, lerr, ok)
Definition cblat2.f:3224
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
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
zunmlq
subroutine zunmlq(side, trans, m, n, k, a, lda, tau, c, ldc, work, lwork, info)
ZUNMLQ
Definition zunmlq.f:167
zerrlq
subroutine zerrlq(path, nunit)
ZERRLQ
Definition zerrlq.f:55