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
|
/* Wrapper to dgesv from either CLAPACK or ATLAS
* Copyright (C) 1999-2003 Ernst Lippe
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Version $Id: fwlapack.c,v 1.1.1.1 2003/01/30 21:30:18 ernstl Exp $
*/
#include <glib.h>
#include "fwlapack.h"
#include "util.h"
#ifndef lint
static char vcid[] GCC_UNUSED = "$Id: fwlapack.c,v 1.1.1.1 2003/01/30 21:30:18 ernstl Exp $";
#endif /* lint */
#ifdef HAVE_ATLAS
/* Fix stupid bugs in the atlas header file that use ATLAS_* instead of CBLAS_ */
#define ATLAS_ORDER CBLAS_ORDER
#define ATLAS_UPLO CBLAS_UPLO
#define ATLAS_DIAG CBLAS_DIAG
#include "clapack.h"
#else /* Not HAVE_ATLAS */
#include "f2c.h"
#include "clapack.h"
#endif
int
dgesv (const int N, const int NRHS, double *A, const int lda,
double *B, const int ldb)
{
int result = 0;
#ifdef HAVE_ATLAS
int *ipiv = g_new (int, N);
result = clapack_dgesv (CblasColMajor, N, NRHS, A, lda, ipiv, B, ldb);
g_free (ipiv);
#else
integer i_N = N, i_NHRS = NRHS, i_lda = lda, i_ldb = ldb, info;
integer *ipiv = g_new (integer, N);
dgesv_ (&i_N, &i_NHRS, A, &i_lda, ipiv, B, &i_ldb, &info);
g_free (ipiv);
result = info;
#endif
return (result);
}
|
