1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
*> \brief \b ZERRTZ
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* SUBROUTINE ZERRTZ( PATH, NUNIT )
*
* .. Scalar Arguments ..
* CHARACTER*3 PATH
* INTEGER NUNIT
* ..
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> ZERRTZ tests the error exits for ZTZRZF.
*> \endverbatim
*
* Arguments:
* ==========
*
*> \param[in] PATH
*> \verbatim
*> PATH is CHARACTER*3
*> The LAPACK path name for the routines to be tested.
*> \endverbatim
*>
*> \param[in] NUNIT
*> \verbatim
*> NUNIT is INTEGER
*> The unit number for output.
*> \endverbatim
*
* Authors:
* ========
*
*> \author Univ. of Tennessee
*> \author Univ. of California Berkeley
*> \author Univ. of Colorado Denver
*> \author NAG Ltd.
*
*> \ingroup complex16_lin
*
* =====================================================================
SUBROUTINE ZERRTZ( PATH, NUNIT )
*
* -- LAPACK test routine --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
*
* .. Scalar Arguments ..
CHARACTER*3 PATH
INTEGER NUNIT
* ..
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX
PARAMETER ( NMAX = 2 )
* ..
* .. Local Scalars ..
CHARACTER*2 C2
INTEGER INFO
* ..
* .. Local Arrays ..
COMPLEX*16 A( NMAX, NMAX ), TAU( NMAX ), W( NMAX )
* ..
* .. External Functions ..
LOGICAL LSAMEN
EXTERNAL LSAMEN
* ..
* .. External Subroutines ..
EXTERNAL ALAESM, CHKXER, ZTZRZF
* ..
* .. Scalars in Common ..
LOGICAL LERR, OK
CHARACTER*32 SRNAMT
INTEGER INFOT, NOUT
* ..
* .. Common blocks ..
COMMON / INFOC / INFOT, NOUT, OK, LERR
COMMON / SRNAMC / SRNAMT
* ..
* .. Intrinsic Functions ..
INTRINSIC DCMPLX
* ..
* .. Executable Statements ..
*
NOUT = NUNIT
C2 = PATH( 2: 3 )
A( 1, 1 ) = DCMPLX( 1.D+0, -1.D+0 )
A( 1, 2 ) = DCMPLX( 2.D+0, -2.D+0 )
A( 2, 2 ) = DCMPLX( 3.D+0, -3.D+0 )
A( 2, 1 ) = DCMPLX( 4.D+0, -4.D+0 )
W( 1 ) = DCMPLX( 0.D+0, 0.D+0 )
W( 2 ) = DCMPLX( 0.D+0, 0.D+0 )
OK = .TRUE.
*
* Test error exits for the trapezoidal routines.
WRITE( NOUT, FMT = * )
IF( LSAMEN( 2, C2, 'TZ' ) ) THEN
*
*
* ZTZRZF
*
SRNAMT = 'ZTZRZF'
INFOT = 1
CALL ZTZRZF( -1, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL ZTZRZF( 1, 0, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL ZTZRZF( 2, 2, A, 1, TAU, W, 1, INFO )
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL ZTZRZF( 2, 2, A, 2, TAU, W, 0, INFO )
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL ZTZRZF( 2, 3, A, 2, TAU, W, 1, INFO )
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
END IF
*
* Print a summary line.
*
CALL ALAESM( PATH, OK, NOUT )
*
RETURN
*
* End of ZERRTZ
*
END
|
