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
|
SUBROUTINE ZERRPS( PATH, NUNIT )
*
* -- LAPACK test routine (version 3.1) --
* Craig Lucas, University of Manchester / NAG Ltd.
* October, 2008
*
* .. Scalar Arguments ..
INTEGER NUNIT
CHARACTER*3 PATH
* ..
*
* Purpose
* =======
*
* ZERRPS tests the error exits for the COMPLEX routines
* for ZPSTRF.
*
* Arguments
* =========
*
* PATH (input) CHARACTER*3
* The LAPACK path name for the routines to be tested.
*
* NUNIT (input) INTEGER
* The unit number for output.
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX
PARAMETER ( NMAX = 4 )
* ..
* .. Local Scalars ..
INTEGER I, INFO, J
* ..
* .. Local Arrays ..
COMPLEX*16 A( NMAX, NMAX )
DOUBLE PRECISION RWORK( 2*NMAX )
INTEGER PIV( NMAX )
* ..
* .. External Subroutines ..
EXTERNAL ALAESM, CHKXER, ZPSTF2, ZPSTRF
* ..
* .. Scalars in Common ..
INTEGER INFOT, NOUT
LOGICAL LERR, OK
CHARACTER*32 SRNAMT
* ..
* .. Common blocks ..
COMMON / INFOC / INFOT, NOUT, OK, LERR
COMMON / SRNAMC / SRNAMT
* ..
* .. Intrinsic Functions ..
INTRINSIC DBLE
* ..
* .. Executable Statements ..
*
NOUT = NUNIT
WRITE( NOUT, FMT = * )
*
* Set the variables to innocuous values.
*
DO 110 J = 1, NMAX
DO 100 I = 1, NMAX
A( I, J ) = 1.D0 / DBLE( I+J )
*
100 CONTINUE
PIV( J ) = J
RWORK( J ) = 0.D0
RWORK( NMAX+J ) = 0.D0
*
110 CONTINUE
OK = .TRUE.
*
*
* Test error exits of the routines that use the Cholesky
* decomposition of an Hermitian positive semidefinite matrix.
*
* ZPSTRF
*
SRNAMT = 'ZPSTRF'
INFOT = 1
CALL ZPSTRF( '/', 0, A, 1, PIV, 1, -1.D0, RWORK, INFO )
CALL CHKXER( 'ZPSTRF', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL ZPSTRF( 'U', -1, A, 1, PIV, 1, -1.D0, RWORK, INFO )
CALL CHKXER( 'ZPSTRF', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL ZPSTRF( 'U', 2, A, 1, PIV, 1, -1.D0, RWORK, INFO )
CALL CHKXER( 'ZPSTRF', INFOT, NOUT, LERR, OK )
*
* ZPSTF2
*
SRNAMT = 'ZPSTF2'
INFOT = 1
CALL ZPSTF2( '/', 0, A, 1, PIV, 1, -1.D0, RWORK, INFO )
CALL CHKXER( 'ZPSTF2', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL ZPSTF2( 'U', -1, A, 1, PIV, 1, -1.D0, RWORK, INFO )
CALL CHKXER( 'ZPSTF2', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL ZPSTF2( 'U', 2, A, 1, PIV, 1, -1.D0, RWORK, INFO )
CALL CHKXER( 'ZPSTF2', INFOT, NOUT, LERR, OK )
*
*
* Print a summary line.
*
CALL ALAESM( PATH, OK, NOUT )
*
RETURN
*
* End of ZERRPS
*
END
|
