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
|
#define STR(x) #x
#define STRING(x) STR(x)
#include <flens/lapack/interface/include/config.h>
namespace flens { namespace lapack {
extern "C" {
//-- dgecon --------------------------------------------------------------------
void
LAPACK_DECL(dgecon)(const char *NORM,
const INTEGER *N,
const DOUBLE *A,
const INTEGER *LDA,
const DOUBLE *ANORM,
DOUBLE *RCOND,
DOUBLE *WORK,
INTEGER *IWORK,
INTEGER *INFO)
{
LAPACK_DEBUG_OUT("LAPACK INTERFACE: dgecon");
//
// Test the input parameters so that we pass LAPACK error checks
//
*INFO = 0;
if (*NORM!='1' && *NORM!='O' && *NORM!='I') {
*INFO = -1;
} else if (*N<0) {
*INFO = -2;
} else if (*LDA<std::max(INTEGER(1), *N)) {
*INFO = -4;
} else if (*ANORM<0) {
*INFO = -5;
}
if (*INFO!=0) {
*INFO = -(*INFO);
LAPACK_ERROR("DGECON", INFO);
*INFO = -(*INFO);
return;
}
//
// Call FLENS implementation
//
Norm norm = Norm(*NORM!='1' ? *NORM : 'O');
DConstGeMatrixView _A = DConstFSView(*N, *N, *LDA, A);
DDenseVectorView work = DArrayView(*N*4, WORK, 1);
IDenseVectorView iwork = IArrayView(*N, IWORK, 1);
con(norm, _A, *ANORM, *RCOND, work, iwork);
}
//-- zgecon --------------------------------------------------------------------
void
LAPACK_DECL(zgecon)(const char *NORM,
const INTEGER *N,
const DOUBLE_COMPLEX *A,
const INTEGER *LDA,
const DOUBLE *ANORM,
DOUBLE *RCOND,
DOUBLE_COMPLEX *WORK,
DOUBLE *RWORK,
INTEGER *INFO)
{
LAPACK_DEBUG_OUT("LAPACK INTERFACE: zgecon");
//
// Test the input parameters so that we pass LAPACK error checks
//
*INFO = 0;
if (*NORM!='1' && *NORM!='O' && *NORM!='I') {
*INFO = -1;
} else if (*N<0) {
*INFO = -2;
} else if (*LDA<std::max(INTEGER(1), *N)) {
*INFO = -4;
} else if (*ANORM<0) {
*INFO = -5;
}
if (*INFO!=0) {
*INFO = -(*INFO);
LAPACK_ERROR("ZGECON", INFO);
*INFO = -(*INFO);
return;
}
//
// Call FLENS implementation
//
Norm norm = Norm(*NORM!='1' ? *NORM : 'O');
const auto *zA = reinterpret_cast<const CXX_DOUBLE_COMPLEX *>(A);
auto *zWORK = reinterpret_cast<CXX_DOUBLE_COMPLEX *>(WORK);
ZConstGeMatrixView _A = ZConstFSView(*N, *N, *LDA, zA);
ZDenseVectorView work = ZArrayView(*N*2, zWORK, 1);
DDenseVectorView rwork = DArrayView(*N*2, RWORK, 1);
con(norm, _A, *ANORM, *RCOND, work, rwork);
}
} // extern "C"
} } // namespace lapack, flens
|