void DFS(int depth, vector<int> &result, int &num)
{
int n = result.size();
if(depth == n)
++num;
else
{
for(int i=0; i<n; ++i)
if(itemIsValid(result, depth, i))
{
result[depth] = i;
DFS(depth+1, result, num);
}
}
}
void
CoarsenClasses::insertEquivalenceClassItem(
CoarsenClasses::Data& data,
const std::shared_ptr<hier::PatchDescriptor>& descriptor)
{
if (!itemIsValid(data, descriptor)) {
tbox::perr << "Invalid coarsen class data passed to "
<< "CoarsenClasses::insertEquivalenceClassItem\n";
printCoarsenItem(tbox::perr, data);
TBOX_ERROR("Check entries..." << std::endl);
} else {
int eq_index = getEquivalenceClassIndex(data, descriptor);
if (eq_index < 0) {
eq_index = static_cast<int>(d_equivalence_class_indices.size());
d_equivalence_class_indices.resize(eq_index + 1);
}
data.d_class_index = eq_index;
if (d_num_coarsen_items >=
static_cast<int>(d_coarsen_classes_data_items.size())) {
d_coarsen_classes_data_items.resize(
d_num_coarsen_items + s_default_coarsen_item_array_size,
Data(data.d_gcw_to_coarsen.getDim()));
}
d_coarsen_classes_data_items[d_num_coarsen_items] = data;
d_equivalence_class_indices[eq_index].push_back(d_num_coarsen_items);
++d_num_coarsen_items;
}
}
