summaryrefslogtreecommitdiff
path: root/TESTING/LIN/cerrtz.f
blob: 861cc9bccee19e20b78882c3ef7deffbc3a9f2c9 (plain)
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
142
143
144
*> \brief \b CERRTZ
*
*  =========== DOCUMENTATION ===========
*
* Online html documentation available at 
*            http://www.netlib.org/lapack/explore-html/ 
*
*  Definition:
*  ===========
*
*       SUBROUTINE CERRTZ( PATH, NUNIT )
* 
*       .. Scalar Arguments ..
*       CHARACTER*3        PATH
*       INTEGER            NUNIT
*       ..
*  
*
*> \par Purpose:
*  =============
*>
*> \verbatim
*>
*> CERRTZ tests the error exits for CTZRZF.
*> \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. 
*
*> \date November 2011
*
*> \ingroup complex_lin
*
*  =====================================================================
      SUBROUTINE CERRTZ( PATH, NUNIT )
*
*  -- LAPACK test routine (version 3.4.0) --
*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
*     November 2011
*
*     .. Scalar Arguments ..
      CHARACTER*3        PATH
      INTEGER            NUNIT
*     ..
*
*  =====================================================================
*
*     .. Parameters ..
      INTEGER            NMAX
      PARAMETER          ( NMAX = 2 )
*     ..
*     .. Local Scalars ..
      CHARACTER*2        C2
      INTEGER            INFO
*     ..
*     .. Local Arrays ..
      COMPLEX            A( NMAX, NMAX ), TAU( NMAX ), W( NMAX )
*     ..
*     .. External Functions ..
      LOGICAL            LSAMEN
      EXTERNAL           LSAMEN
*     ..
*     .. External Subroutines ..
      EXTERNAL           ALAESM, CHKXER, CTZRZF
*     ..
*     .. 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          CMPLX
*     ..
*     .. Executable Statements ..
*
      NOUT = NUNIT
      C2 = PATH( 2: 3 )
      A( 1, 1 ) = CMPLX( 1.E+0, -1.E+0 )
      A( 1, 2 ) = CMPLX( 2.E+0, -2.E+0 )
      A( 2, 2 ) = CMPLX( 3.E+0, -3.E+0 )
      A( 2, 1 ) = CMPLX( 4.E+0, -4.E+0 )
      W( 1 ) = CMPLX( 0.E+0, 0.E+0 )
      W( 2 ) = CMPLX( 0.E+0, 0.E+0 )
      OK = .TRUE.
*
*     Test error exits for the trapezoidal routines.
*
      WRITE( NOUT, FMT = * )
      IF( LSAMEN( 2, C2, 'TZ' ) ) THEN
*
*        CTZRZF
*
         SRNAMT = 'CTZRZF'
         INFOT = 1
         CALL CTZRZF( -1, 0, A, 1, TAU, W, 1, INFO )
         CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CTZRZF( 1, 0, A, 1, TAU, W, 1, INFO )
         CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL CTZRZF( 2, 2, A, 1, TAU, W, 1, INFO )
         CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
         INFOT = 7
         CALL CTZRZF( 2, 2, A, 2, TAU, W, 0, INFO )
         CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
         INFOT = 7
         CALL CTZRZF( 2, 3, A, 2, TAU, W, 1, INFO )
         CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
      END IF
*
*     Print a summary line.
*
      CALL ALAESM( PATH, OK, NOUT )
*
      RETURN
*
*     End of CERRTZ
*
      END