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#include <assert.h>
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "Carpet/CarpetLib/src/gh.hh"
#include "carpet.hh"
static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/Checksum.cc,v 1.3 2001/11/02 10:58:57 schnetter Exp $";
namespace Carpet {
using namespace std;
void CalculateChecksums (cGH* cgh, const checktimes where)
{
DECLARE_CCTK_PARAMETERS;
if (! checksum_timelevels) return;
Checkpoint ("%*sCalculateChecksums", 2*reflevel, "");
checksums.resize(CCTK_NumVars());
for (int group=0; group<CCTK_NumGroups(); ++group) {
for (int var=0; var<CCTK_NumVarsInGroupI(group); ++var) {
const int n = CCTK_FirstVarIndexI(group) + var;
const int num_tl = CCTK_NumTimeLevelsFromVarI(n);
assert (num_tl>0);
const int min_tl = mintl(where, num_tl);
const int max_tl = maxtl(where, num_tl);
checksums[n].resize(maxreflevels);
checksums[n][reflevel].resize(num_tl);
for (int tl=min_tl; tl<=max_tl; ++tl) {
checksums[n][reflevel][tl].resize(hh->components(reflevel));
BEGIN_COMPONENT_LOOP(cgh) {
checksums[n][reflevel][tl][component].valid = false;
} END_COMPONENT_LOOP(cgh);
}
}
}
for (int group=0; group<CCTK_NumGroups(); ++group) {
if (CCTK_QueryGroupStorageI((cGH*)cgh, group)) {
for (int var=0; var<CCTK_NumVarsInGroupI(group); ++var) {
const int n = CCTK_FirstVarIndexI(group) + var;
const int sz = CCTK_VarTypeSize(CCTK_VarTypeI(n));
assert (sz>0);
const int num_tl = CCTK_NumTimeLevelsFromVarI(n);
assert (num_tl>0);
const int min_tl = mintl(where, num_tl);
const int max_tl = maxtl(where, num_tl);
for (int tl=min_tl; tl<=max_tl; ++tl) {
BEGIN_COMPONENT_LOOP(cgh) {
if (hh->is_local(reflevel,component)) {
const int gpdim = arrdata[group].info.dim;
int np = 1;
for (int d=0; d<gpdim; ++d) {
np *= *CCTK_ArrayGroupSizeI((cGH*)cgh, d, group);
}
const void* data = cgh->data[n][tl];
int chk = 0;
for (int i=0; i<np*sz/(int)sizeof(chk); ++i) {
chk += ((const int*)data)[i];
}
checksums[n][reflevel][tl][component].sum = chk;
checksums[n][reflevel][tl][component].valid = true;
}
} END_COMPONENT_LOOP(cgh);
} // for tl
} // for var
} // if has storage
} // for group
}
void CheckChecksums (cGH* cgh, const checktimes where)
{
DECLARE_CCTK_PARAMETERS;
if (! checksum_timelevels) return;
Checkpoint ("%*sCheckChecksums", 2*reflevel, "");
assert ((int)checksums.size()==CCTK_NumVars());
for (int group=0; group<CCTK_NumGroups(); ++group) {
if (CCTK_QueryGroupStorageI((cGH*)cgh, group)) {
for (int var=0; var<CCTK_NumVarsInGroupI(group); ++var) {
const int n = CCTK_FirstVarIndexI(group) + var;
const int sz = CCTK_VarTypeSize(CCTK_VarTypeI(n));
assert (sz>0);
const int num_tl = CCTK_NumTimeLevelsFromVarI(n);
assert (num_tl>0);
const int min_tl = mintl(where, num_tl);
const int max_tl = maxtl(where, num_tl);
assert ((int)checksums[n].size()==maxreflevels);
assert ((int)checksums[n][reflevel].size()==num_tl);
for (int tl=min_tl; tl<=max_tl; ++tl) {
bool unexpected_change = false;
assert ((int)checksums[n][reflevel][tl].size()
== hh->components(reflevel));
BEGIN_COMPONENT_LOOP(cgh) {
if (checksums[n][reflevel][tl][component].valid) {
if (hh->is_local(reflevel,component)) {
const int gpdim = arrdata[group].info.dim;
int np = 1;
for (int d=0; d<gpdim; ++d) {
np *= *CCTK_ArrayGroupSizeI((cGH*)cgh, d, group);
}
const void* data = cgh->data[n][tl];
int chk = 0;
for (int i=0; i<np*sz/(int)sizeof(chk); ++i) {
chk += ((const int*)data)[i];
}
unexpected_change
= (unexpected_change
|| chk != checksums[n][reflevel][tl][component].sum);
}
}
} END_COMPONENT_LOOP(cgh);
if (unexpected_change) {
char* fullname = CCTK_FullName(n);
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"Timelevel %d of the variable \"%s\" has changed unexpectedly.",
tl, fullname);
free (fullname);
}
} // for tl
} // for var
} // if has storage
} // for group
}
} // namespace Carpet
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