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#include <assert.h>
#include <stdlib.h>
#include <vector>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "gh.hh"
#include "carpet.hh"
extern "C" {
static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/Checksum.cc,v 1.15 2004/03/24 17:44:51 schnetter Exp $";
CCTK_FILEVERSION(Carpet_Carpet_Checksum_cc);
}
namespace Carpet {
using namespace std;
// Checksum information
struct ckdesc {
bool valid;
unsigned int sum;
};
// Helper class
struct ckdesc4 {
vector<vector<vector<vector<ckdesc> > > > a; // [m][c][var][tl]
};
// Checksum information
vector<vector<vector<ckdesc4> > > checksums; // [rl][ml][group]
void CalculateChecksums (const cGH* cgh, const checktimes where)
{
DECLARE_CCTK_PARAMETERS;
if (! checksum_timelevels) return;
Checkpoint ("CalculateChecksums");
checksums.resize(maxreflevels);
checksums.at(reflevel).resize(mglevels);
checksums.at(reflevel).at(mglevel).resize(CCTK_NumGroups());
for (int group=0; group<CCTK_NumGroups(); ++group) {
if (CCTK_QueryGroupStorageI(cgh, group)) {
const int grouptype = CCTK_GroupTypeI(group);
if (reflevel == 0 || grouptype == CCTK_GF) {
checksums.at(reflevel).at(mglevel).at(group).a.resize(arrdata.at(group).size());
BEGIN_MAP_LOOP(cgh, grouptype) {
checksums.at(reflevel).at(mglevel).at(group).a.at(map).resize(arrdata.at(group).at(map).hh->components(reflevel));
BEGIN_LOCAL_COMPONENT_LOOP(cgh, grouptype) {
const int nvars = CCTK_NumVarsInGroupI(group);
checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).resize(nvars);
if (nvars > 0) {
const int n0 = CCTK_FirstVarIndexI(group);
const int sz = CCTK_VarTypeSize(CCTK_VarTypeI(n0));
assert (sz>0);
ivect size(1);
const int gpdim = groupdata.at(group).info.dim;
for (int d=0; d<gpdim; ++d) {
size[d] = groupdata.at(group).info.lsh[d];
}
const int np = prod(size);
const int num_tl = CCTK_NumTimeLevelsFromVarI(n0);
assert (num_tl>0);
const int min_tl = mintl(where, num_tl);
const int max_tl = maxtl(where, num_tl);
for (int var=0; var<nvars; ++var) {
checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).at(var).resize(num_tl);
for (int tl=min_tl; tl<=max_tl; ++tl) {
const int n = n0 + var;
const void* data = cgh->data[n][tl];
unsigned int chk = 0;
for (int i=0; i<np*sz/(int)sizeof chk; ++i) {
chk += ((const unsigned int*)data)[i];
}
checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).at(var).at(tl).sum = chk;
checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).at(var).at(tl).valid = true;
} // for tl
} // for var
} // if group has vars
} END_LOCAL_COMPONENT_LOOP;
} END_MAP_LOOP;
} // if grouptype fits
} // if storage
} // for group
}
void CheckChecksums (const cGH* cgh, const checktimes where)
{
DECLARE_CCTK_PARAMETERS;
if (! checksum_timelevels) return;
Checkpoint ("CheckChecksums");
assert ((int)checksums.size()==maxreflevels);
assert ((int)checksums.at(reflevel).size()==mglevels);
assert ((int)checksums.at(reflevel).at(mglevel).size()==CCTK_NumGroups());
for (int group=0; group<CCTK_NumGroups(); ++group) {
if (CCTK_QueryGroupStorageI(cgh, group)) {
const int grouptype = CCTK_GroupTypeI(group);
if (reflevel == 0 || grouptype == CCTK_GF) {
assert (checksums.at(reflevel).at(mglevel).at(group).a.size()==arrdata.at(group).size());
BEGIN_MAP_LOOP(cgh, grouptype) {
assert ((int)checksums.at(reflevel).at(mglevel).at(group).a.at(map).size()==arrdata.at(group).at(map).hh->components(reflevel));
BEGIN_LOCAL_COMPONENT_LOOP(cgh, grouptype) {
const int nvars = CCTK_NumVarsInGroupI(group);
assert ((int)checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).size()==nvars);
if (nvars > 0) {
const int n0 = CCTK_FirstVarIndexI(group);
const int sz = CCTK_VarTypeSize(CCTK_VarTypeI(n0));
assert (sz>0);
ivect size(1);
const int gpdim = groupdata.at(group).info.dim;
for (int d=0; d<gpdim; ++d) {
size[d] = groupdata.at(group).info.lsh[d];
}
const int np = prod(size);
const int num_tl = CCTK_NumTimeLevelsFromVarI(n0);
assert (num_tl>0);
const int min_tl = mintl(where, num_tl);
const int max_tl = maxtl(where, num_tl);
for (int var=0; var<nvars; ++var) {
assert ((int)checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).at(var).size()==num_tl);
for (int tl=min_tl; tl<=max_tl; ++tl) {
if (checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).at(var).at(tl).valid) {
const int n = n0 + var;
const void* data = cgh->data[n][tl];
unsigned int chk = 0;
for (int i=0; i<np*sz/(int)sizeof chk; ++i) {
chk += ((const unsigned int*)data)[i];
}
const bool unexpected_change =
chk != checksums.at(reflevel).at(mglevel).at(group).a.at(map).at(component).at(var).at(tl).sum;
if (unexpected_change) {
char* fullname = CCTK_FullName(n);
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"Timelevel %d, component %d, refinement level %d of the variable \"%s\" has changed unexpectedly",
tl, component, reflevel, fullname);
free (fullname);
}
} // if valid
} // for tl
} // for var
} // if group has vars
} END_LOCAL_COMPONENT_LOOP;
} END_MAP_LOOP;
} // if grouptype fits
} // if storage
} // for group
}
} // namespace Carpet
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