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#include <assert.h>
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "ggf.hh"
#include "gh.hh"
#include "carpet.hh"
extern "C" {
static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/Comm.cc,v 1.29 2004/05/21 18:16:23 schnetter Exp $";
CCTK_FILEVERSION(Carpet_Carpet_Comm_cc);
}
namespace Carpet {
using namespace std;
int SyncGroup (const cGH* cgh, const char* groupname)
{
DECLARE_CCTK_PARAMETERS;
const int group = CCTK_GroupIndex(groupname);
assert (group>=0 && group<CCTK_NumGroups());
assert (group<(int)arrdata.size());
Checkpoint ("SyncGroup \"%s\" time=%g", groupname, (double)cgh->cctk_time);
const int grouptype = CCTK_GroupTypeI(group);
if (grouptype == CCTK_GF) {
if (reflevel == -1) {
CCTK_VWarn (0, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot synchronise in global mode "
"(Tried to synchronise group \"%s\")",
groupname);
}
if (map != -1 && component == -1) {
if (maps == 1) {
CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING,
"Synchronising group \"%s\" in singlemap mode",
groupname);
} else {
CCTK_VWarn (0, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot synchronise in singlemap mode "
"(Tried to synchronise group \"%s\")",
groupname);
}
}
if (component != -1) {
if (maps == 1 && vhh.at(map)->local_components(reflevel) == 1) {
CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING,
"Synchronising group \"%s\" in local mode",
groupname);
} else {
CCTK_VWarn (0, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot synchronise in local mode "
"(Tried to synchronise group \"%s\")",
groupname);
}
}
}
if (! CCTK_QueryGroupStorageI(cgh, group)) {
CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot synchronise group \"%s\" because it has no storage",
groupname);
return -1;
}
if (CCTK_NumVarsInGroupI(group) == 0) return 0;
const int n0 = CCTK_FirstVarIndexI(group);
assert (n0>=0);
const int num_tl = CCTK_NumTimeLevelsFromVarI(n0);
assert (num_tl>0);
const int tl = 0;
// Prolongate the boundaries
if (do_prolongate) {
switch (grouptype) {
case CCTK_GF:
assert (reflevel>=0 && reflevel<reflevels);
if (reflevel > 0) {
// use the current time here (which may be modified by the
// user)
const CCTK_REAL time
= (cgh->cctk_time - cctk_initial_time) / delta_time;
for (comm_state<dim> state; !state.done(); state.step()) {
for (int m=0; m<(int)arrdata.at(group).size(); ++m) {
for (int var=0; var<CCTK_NumVarsInGroupI(group); ++var) {
for (int c=0; c<vhh.at(m)->components(reflevel); ++c) {
arrdata.at(group).at(m).data.at(var)->ref_bnd_prolongate
(state, tl, reflevel, c, mglevel, time);
}
}
}
} // for state
} // if reflevel>0
break;
case CCTK_SCALAR:
case CCTK_ARRAY:
// do nothing
break;
default:
assert (0);
} // switch grouptype
} // if do_prolongate
// Sync
for (comm_state<dim> state; !state.done(); state.step()) {
switch (CCTK_GroupTypeI(group)) {
case CCTK_GF:
for (int m=0; m<(int)arrdata.at(group).size(); ++m) {
for (int var=0; var<CCTK_NumVarsInGroupI(group); ++var) {
for (int c=0; c<vhh.at(m)->components(reflevel); ++c) {
arrdata.at(group).at(m).data.at(var)->sync
(state, tl, reflevel, c, mglevel);
}
}
}
break;
case CCTK_SCALAR:
case CCTK_ARRAY:
for (int var=0; var<(int)arrdata.at(group).at(0).data.size(); ++var) {
arrdata.at(group).at(0).data.at(var)->sync (state, 0, 0, 0, 0);
}
break;
default:
assert (0);
} // switch grouptype
} // for state
return 0;
}
int EnableGroupComm (const cGH* cgh, const char* groupname)
{
// Communication is always enabled
return 0;
}
int DisableGroupComm (const cGH* cgh, const char* groupname)
{
// Communication is always enabled
return -1;
}
} // namespace Carpet
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