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#include <assert.h>
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "Carpet/CarpetLib/src/ggf.hh"
#include "Carpet/CarpetLib/src/gh.hh"
#include "carpet.hh"
static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/Comm.cc,v 1.1 2001/07/04 12:29:46 schnetter Exp $";
namespace Carpet {
using namespace std;
int SyncGroup (cGH* cgh, const char* groupname)
{
DECLARE_CCTK_PARAMETERS;
if (hh->components(reflevel) > 1) assert (component == -1);
Checkpoint ("%*sSyncGroup %s", 2*reflevel, "", groupname);
const int group = CCTK_GroupIndex(groupname);
assert (group>=0 && group<CCTK_NumGroups());
if (! CCTK_QueryGroupStorageI(cgh, group)) {
CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot synchronise group \"%s\" because it has no storage",
groupname);
return -1;
}
const int n0 = CCTK_FirstVarIndexI(group);
assert (n0>=0);
const int num_tl = CCTK_NumTimeLevelsFromVarI(n0);
assert (num_tl>0);
const int tl = 0;
switch (CCTK_GroupTypeI(group)) {
case CCTK_SCALAR:
// TODO: Check whether the local values are consistent
break;
case CCTK_ARRAY:
assert (group<(int)arrdata.size());
for (int var=0; var<(int)arrdata[group].data.size(); ++var) {
if (num_tl>1 && reflevel>0) {
for (int c=0; c<arrdata[group].hh->components(reflevel); ++c) {
arrdata[group].data[var]->ref_bnd_prolongate
(tl, reflevel, c, mglevel,
prolongation_order_space, prolongation_order_time);
}
}
for (int c=0; c<arrdata[group].hh->components(reflevel); ++c) {
arrdata[group].data[var]->sync (tl, reflevel, c, mglevel);
}
}
break;
case CCTK_GF:
assert (group<(int)gfdata.size());
for (int var=0; var<(int)gfdata[group].data.size(); ++var) {
if (num_tl>1 && reflevel>0) {
for (int c=0; c<hh->components(reflevel); ++c) {
gfdata[group].data[var]->ref_bnd_prolongate
(tl, reflevel, c, mglevel,
prolongation_order_space, prolongation_order_time);
}
}
for (int c=0; c<hh->components(reflevel); ++c) {
gfdata[group].data[var]->sync (tl, reflevel, c, mglevel);
}
}
break;
default:
abort();
}
return 0;
}
int EnableGroupComm (cGH* cgh, const char* groupname)
{
// Communication is always enabled
return 0;
}
int DisableGroupComm (cGH* cgh, const char* groupname)
{
// Communication is always enabled
return -1;
}
} // namespace Carpet
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