blob: c0f151434b23e0b67ce473df85f88f86e75af86f (
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
|
/*
* Boundary conditions internal API.
* Copyright 2019 Anton Khirnov <anton@khirnov.net>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <stdlib.h>
#include "common.h"
#include "mg2d_boundary.h"
struct MG2DBoundaryInternal {
double *val_base;
};
MG2DBoundary *mg2di_bc_alloc(size_t domain_size)
{
MG2DBoundary *bnd;
size_t boundary_len_max;
if (domain_size > SIZE_MAX - 2 * (FD_STENCIL_MAX - 1))
return NULL;
boundary_len_max = domain_size + 2 * (FD_STENCIL_MAX - 1);
if (boundary_len_max > SIZE_MAX / (FD_STENCIL_MAX * sizeof(bnd->val)))
return NULL;
bnd = calloc(1, sizeof(*bnd));
if (!bnd)
return NULL;
bnd->priv = calloc(1, sizeof(*bnd->priv));
if (!bnd->priv) {
free(bnd);
return NULL;
}
bnd->priv->val_base = malloc(boundary_len_max * FD_STENCIL_MAX * sizeof(*bnd->val));
if (!bnd->priv->val_base)
goto fail;
bnd->val = bnd->priv->val_base + FD_STENCIL_MAX - 1;
bnd->val_stride = boundary_len_max;
return bnd;
fail:
mg2di_bc_free(&bnd);
return NULL;
}
void mg2di_bc_free(MG2DBoundary **pbnd)
{
MG2DBoundary *bnd = *pbnd;
if (!bnd)
return;
free(bnd->priv->val_base);
free(bnd->priv);
free(bnd);
*pbnd = NULL;
}
|
