LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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derrqrtp.f
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1*> \brief \b DERRQRTP
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 DERRQRTP( 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*> DERRQRTP tests the error exits for the REAL routines
25*> that use the QRT decomposition of a triangular-pentagonal 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 double_lin
52*
53* =====================================================================
54 SUBROUTINE derrqrtp( PATH, NUNIT )
55 IMPLICIT NONE
56*
57* -- LAPACK test routine --
58* -- LAPACK is a software package provided by Univ. of Tennessee, --
59* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
60*
61* .. Scalar Arguments ..
62 CHARACTER*3 PATH
63 INTEGER NUNIT
64* ..
65*
66* =====================================================================
67*
68* .. Parameters ..
69 INTEGER NMAX
70 parameter( nmax = 2 )
71* ..
72* .. Local Scalars ..
73 INTEGER I, INFO, J
74* ..
75* .. Local Arrays ..
76 DOUBLE PRECISION A( NMAX, NMAX ), T( NMAX, NMAX ), W( NMAX ),
77 $ B( NMAX, NMAX ), C( NMAX, NMAX )
78* ..
79* .. External Subroutines ..
80 EXTERNAL alaesm, chkxer, dtpqrt2, dtpqrt,
81 $ dtpmqrt
82* ..
83* .. Scalars in Common ..
84 LOGICAL LERR, OK
85 CHARACTER*32 SRNAMT
86 INTEGER INFOT, NOUT
87* ..
88* .. Common blocks ..
89 COMMON / infoc / infot, nout, ok, lerr
90 COMMON / srnamc / srnamt
91* ..
92* .. Intrinsic Functions ..
93 INTRINSIC dble
94* ..
95* .. Executable Statements ..
96*
97 nout = nunit
98 WRITE( nout, fmt = * )
99*
100* Set the variables to innocuous values.
101*
102 DO j = 1, nmax
103 DO i = 1, nmax
104 a( i, j ) = 1.d0 / dble( i+j )
105 c( i, j ) = 1.d0 / dble( i+j )
106 t( i, j ) = 1.d0 / dble( i+j )
107 END DO
108 w( j ) = 0.0
109 END DO
110 ok = .true.
111*
112* Error exits for TPQRT factorization
113*
114* DTPQRT
115*
116 srnamt = 'DTPQRT'
117 infot = 1
118 CALL dtpqrt( -1, 1, 0, 1, a, 1, b, 1, t, 1, w, info )
119 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
120 infot = 2
121 CALL dtpqrt( 1, -1, 0, 1, a, 1, b, 1, t, 1, w, info )
122 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
123 infot = 3
124 CALL dtpqrt( 0, 1, -1, 1, a, 1, b, 1, t, 1, w, info )
125 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
126 infot = 3
127 CALL dtpqrt( 0, 1, 1, 1, a, 1, b, 1, t, 1, w, info )
128 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
129 infot = 4
130 CALL dtpqrt( 0, 1, 0, 0, a, 1, b, 1, t, 1, w, info )
131 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
132 infot = 4
133 CALL dtpqrt( 0, 1, 0, 2, a, 1, b, 1, t, 1, w, info )
134 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
135 infot = 6
136 CALL dtpqrt( 1, 2, 0, 2, a, 1, b, 1, t, 1, w, info )
137 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
138 infot = 8
139 CALL dtpqrt( 2, 1, 0, 1, a, 1, b, 1, t, 1, w, info )
140 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
141 infot = 10
142 CALL dtpqrt( 2, 2, 1, 2, a, 2, b, 2, t, 1, w, info )
143 CALL chkxer( 'DTPQRT', infot, nout, lerr, ok )
144*
145* DTPQRT2
146*
147 srnamt = 'DTPQRT2'
148 infot = 1
149 CALL dtpqrt2( -1, 0, 0, a, 1, b, 1, t, 1, info )
150 CALL chkxer( 'DTPQRT2', infot, nout, lerr, ok )
151 infot = 2
152 CALL dtpqrt2( 0, -1, 0, a, 1, b, 1, t, 1, info )
153 CALL chkxer( 'DTPQRT2', infot, nout, lerr, ok )
154 infot = 3
155 CALL dtpqrt2( 0, 0, -1, a, 1, b, 1, t, 1, info )
156 CALL chkxer( 'DTPQRT2', infot, nout, lerr, ok )
157 infot = 5
158 CALL dtpqrt2( 2, 2, 0, a, 1, b, 2, t, 2, info )
159 CALL chkxer( 'DTPQRT2', infot, nout, lerr, ok )
160 infot = 7
161 CALL dtpqrt2( 2, 2, 0, a, 2, b, 1, t, 2, info )
162 CALL chkxer( 'DTPQRT2', infot, nout, lerr, ok )
163 infot = 9
164 CALL dtpqrt2( 2, 2, 0, a, 2, b, 2, t, 1, info )
165 CALL chkxer( 'DTPQRT2', infot, nout, lerr, ok )
166*
167* DTPMQRT
168*
169 srnamt = 'DTPMQRT'
170 infot = 1
171 CALL dtpmqrt( '/', 'N', 0, 0, 0, 0, 1, a, 1, t, 1, b, 1, c, 1,
172 $ w, info )
173 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
174 infot = 2
175 CALL dtpmqrt( 'L', '/', 0, 0, 0, 0, 1, a, 1, t, 1, b, 1, c, 1,
176 $ w, info )
177 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
178 infot = 3
179 CALL dtpmqrt( 'L', 'N', -1, 0, 0, 0, 1, a, 1, t, 1, b, 1, c, 1,
180 $ w, info )
181 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
182 infot = 4
183 CALL dtpmqrt( 'L', 'N', 0, -1, 0, 0, 1, a, 1, t, 1, b, 1, c, 1,
184 $ w, info )
185 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
186 infot = 5
187 CALL dtpmqrt( 'L', 'N', 0, 0, -1, 0, 1, a, 1, t, 1, b, 1, c, 1,
188 $ w, info )
189 infot = 6
190 CALL dtpmqrt( 'L', 'N', 0, 0, 0, -1, 1, a, 1, t, 1, b, 1, c, 1,
191 $ w, info )
192 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
193 infot = 7
194 CALL dtpmqrt( 'L', 'N', 0, 0, 0, 0, 0, a, 1, t, 1, b, 1, c, 1,
195 $ w, info )
196 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
197 infot = 9
198 CALL dtpmqrt( 'R', 'N', 1, 2, 1, 1, 1, a, 1, t, 1, b, 1, c, 1,
199 $ w, info )
200 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
201 infot = 9
202 CALL dtpmqrt( 'L', 'N', 2, 1, 1, 1, 1, a, 1, t, 1, b, 1, c, 1,
203 $ w, info )
204 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
205 infot = 11
206 CALL dtpmqrt( 'R', 'N', 1, 1, 1, 1, 1, a, 1, t, 0, b, 1, c, 1,
207 $ w, info )
208 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
209 infot = 13
210 CALL dtpmqrt( 'L', 'N', 1, 1, 1, 1, 1, a, 1, t, 1, b, 0, c, 1,
211 $ w, info )
212 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
213 infot = 15
214 CALL dtpmqrt( 'L', 'N', 1, 1, 1, 1, 1, a, 1, t, 1, b, 1, c, 0,
215 $ w, info )
216 CALL chkxer( 'DTPMQRT', infot, nout, lerr, ok )
217*
218* Print a summary line.
219*
220 CALL alaesm( path, ok, nout )
221*
222 RETURN
223*
224* End of DERRQRTP
225*
226 END
subroutine alaesm(path, ok, nout)
ALAESM
Definition alaesm.f:63
subroutine chkxer(srnamt, infot, nout, lerr, ok)
Definition cblat2.f:3224
subroutine derrqrtp(path, nunit)
DERRQRTP
Definition derrqrtp.f:55
subroutine dtpmqrt(side, trans, m, n, k, l, nb, v, ldv, t, ldt, a, lda, b, ldb, work, info)
DTPMQRT
Definition dtpmqrt.f:216
subroutine dtpqrt2(m, n, l, a, lda, b, ldb, t, ldt, info)
DTPQRT2 computes a QR factorization of a real or complex "triangular-pentagonal" matrix,...
Definition dtpqrt2.f:173
subroutine dtpqrt(m, n, l, nb, a, lda, b, ldb, t, ldt, work, info)
DTPQRT
Definition dtpqrt.f:189