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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
#include <cassert>
#include "cctk.h"
#include "util_Table.h"
#include "carpet.hh"
#include "mapping.hh"
namespace CarpetSlab {
using namespace Carpet;
int
StoreMapping (mapping * const mp)
{
int const table = Util_TableCreate (UTIL_TABLE_FLAGS_DEFAULT);
assert (table>=0);
int const ierr = Util_TableSetPointer (table, mp, "mapping");
assert (ierr>=0);
return table;
}
mapping *
RetrieveMapping (int const table)
{
CCTK_POINTER mp;
int const ierr = Util_TableGetPointer (table, &mp, "mapping");
assert (ierr>=0);
return (mapping *)mp;
}
void
DeleteMapping (int const table)
{
int const ierr = Util_TableDestroy (table);
assert (ierr>=0);
}
CCTK_INT
CarpetSlab_LocalMappingByIndex (CCTK_POINTER_TO_CONST const cctkGH_,
CCTK_INT const vindex,
CCTK_INT const hdim,
CCTK_INT const * const direction,
CCTK_INT const * const origin,
CCTK_INT const * const extent,
CCTK_INT const * const downsample_,
CCTK_INT const table_handle,
conversion_fn_ptr const conversion_fn,
CCTK_INT * const hsize_local,
CCTK_INT * const hsize_global,
CCTK_INT * const hoffset_global)
{
CCTK_WARN (0, "not implemented");
return 0;
}
CCTK_INT
CarpetSlab_GlobalMappingByIndex (CCTK_POINTER_TO_CONST const cctkGH_,
CCTK_INT const vindex,
CCTK_INT const hdim,
CCTK_INT const * const direction,
CCTK_INT const * const origin,
CCTK_INT const * const extent,
CCTK_INT const * const downsample_,
CCTK_INT const table_handle,
conversion_fn_ptr const conversion_fn,
CCTK_INT * const hsize)
{
cGH const * const cctkGH = (cGH const *) cctkGH_;
// Check arguments
assert (cctkGH);
assert (vindex>=0 && vindex<CCTK_NumVars());
assert (hdim>=0 && hdim<=dim);
assert (direction);
assert (origin);
assert (extent);
// assert (downsample);
// assert (table_handle>=0);
assert (hsize);
// Get more information
int const vdim = CCTK_GroupDimFromVarI (vindex);
assert (vdim>=0 && vdim<=dim);
assert (hdim<=vdim);
// Not implemented
assert (! conversion_fn);
// Allocate memory
mapping * mp = new mapping;
// Calculate more convenient representation of the direction
vector<int> dirs(hdim);
for (int d=0; d<hdim; ++d) {
for (int dd=0; dd<vdim; ++dd) {
if (direction[d*vdim+dd]!=0) {
dirs[d] = dd+1;
goto found;
}
}
assert (0);
found:;
for (int dd=0; dd<vdim; ++dd) {
assert ((direction[d*vdim+dd]!=0) == (dirs[d]==dd+1));
}
for (int dd=0; dd<d; ++dd) {
assert (dirs[dd] != dirs[d]);
}
}
// Calculate lengths
vector<CCTK_INT> downsample(hdim);
for (int dd=0; dd<hdim; ++dd) {
downsample[dd] = downsample_ ? downsample_[dd] : 1;
if (extent[dd]<0) {
int const oldmap = Carpet::map;
int const grouptype = CCTK_GroupTypeFromVarI (vindex);
assert (grouptype >= 0);
if (grouptype == CCTK_GF) {
assert (reflevel >= 0);
assert (oldmap >= 0 || maps == 1);
if (oldmap == -1) {
enter_singlemap_mode (const_cast<cGH*>(cctkGH), 0, grouptype);
}
}
int gsh[dim];
int ierr = CCTK_GroupgshVI (cctkGH, dim, gsh, vindex);
assert (!ierr);
if (grouptype == CCTK_GF) {
if (oldmap == -1) {
leave_singlemap_mode (const_cast<cGH*>(cctkGH));
}
}
const int totlen = gsh[dirs[dd]-1];
assert (totlen>=0);
// Partial argument check
assert (origin[dirs[dd]-1]>=0);
assert (origin[dirs[dd]-1]<=totlen);
assert (downsample[dd]>0);
hsize[dd] = (totlen - origin[dirs[dd]-1]) / downsample[dd];
} else {
hsize[dd] = extent[dd];
}
assert (hsize[dd]>=0);
}
// Store information
mp->vindex = vindex;
mp->hdim = hdim;
mp->origin.resize(vdim);
mp->dirs .resize(hdim);
mp->stride.resize(hdim);
mp->length.resize(hdim);
for (size_t d=0; d<(size_t)vdim; ++d) {
mp->origin[d] = origin[d];
}
for (size_t d=0; d<(size_t)hdim; ++d) {
mp->dirs[d] = dirs[d];
mp->stride[d] = downsample[d];
mp->length[d] = hsize[d];
}
return StoreMapping (mp);
}
CCTK_INT
CarpetSlab_FreeMapping (CCTK_INT const mapping_handle)
{
// Check arguments
assert (mapping_handle>=0);
// Get mapping
mapping * mp = RetrieveMapping (mapping_handle);
assert (mp);
// Delete storage
DeleteMapping (mapping_handle);
delete mp;
return 0;
}
} // namespace CarpetSlab
|
