bool ClingconDLPropagator::init(Clasp::Solver& s)
{
for (unsigned int i = 0; i != literals_.size(); ++i)
{
if (!s.isFalse(literals_[i]) || !s.isTrue(literals_[i]))
{
s.addWatch(literals_[i],this,Clasp::Literal(i+1,false).rep());
s.addWatch(~literals_[i],this,Clasp::Literal(i+1,true).rep());
}
}
for (unsigned int i = 0; i != literals_.size(); ++i)
{
std::vector<difflogic::DLPropagator::EdgeId> consequences;
if (s.isFalse(literals_[i]))
consequences = p_.deactivate(i+1);
else
if (s.isTrue(literals_[i]))
consequences = p_.activate(i+1);
for (const auto& j : consequences)
{
Clasp::Literal l = edgeid2lit(j);
if (!s_.isTrue(l))
{
if (!s.force(l))
return false;
//std::cout << "initially propagated " << l.var() << "," << l.sign() << " to pending: " << j << std::endl;
propagated_.push_back(l);
}
}
}
return true;
}
void AspOutPrinter::reportModel(const Clasp::Solver& s, const Clasp::Enumerator& e) {
std::cout << "Model " << e.enumerated << ": \n";
// get the symbol table from the solver
const Clasp::SymbolTable& symTab = s.sharedContext()->symTab();
for (Clasp::SymbolTable::const_iterator it = symTab.begin(); it != symTab.end(); ++it) {
// print each named atom that is true w.r.t the current assignment
if (s.isTrue(it->second.lit) && !it->second.name.empty()) {
std::cout << it->second.name.c_str() << " ";
}
}
std::cout << std::endl;
}