int CodeGenerator::addSparsity(const Sparsity& sp) {
// Get the current number of patterns before looking for it
size_t num_patterns_before = added_sparsities_.size();
// Get index of the pattern
const void* h = static_cast<const void*>(sp.get());
int& ind = added_sparsities_[h];
// Generate it if it does not exist
if (added_sparsities_.size() > num_patterns_before) {
// Compact version of the sparsity pattern
std::vector<int> sp_compact = sp.compress();
// Codegen vector
ind = getConstant(sp_compact, true);
}
return ind;
}
int CodeGenerator::getSparsity(const Sparsity& sp) const {
const void* h = static_cast<const void*>(sp.get());
PointerMap::const_iterator it=added_sparsities_.find(h);
casadi_assert(it!=added_sparsities_.end());
return it->second;
}
