Formula* CardConstrToFO::visit(PredForm* pf) {
if (not VocabularyUtils::isComparisonPredicate(pf->symbol())) {
return traverse(pf);
}
auto left = pf->subterms()[0];
auto right = pf->subterms()[1];
Formula* newformula;
if (isCard(left)) {
newformula = new AggForm(pf->sign(), right->clone(), invertComp(FormulaUtils::getComparison(pf)), dynamic_cast<AggTerm*>(left)->clone(), pf->pi());
} else if (isCard(right)) {
newformula = new AggForm(pf->sign(), left->clone(), FormulaUtils::getComparison(pf), dynamic_cast<AggTerm*>(right)->clone(), pf->pi());
}else{
return traverse(pf);
}
delete (pf);
return newformula->accept(this);
}
void FOBDDFactory::visit(const EqChainForm* ef) {
Formula* efclone = ef->cloneKeepVars(); //We are not allowed to change the vars, since the manager keeps a vars->bddvars mapping.
efclone = FormulaUtils::splitComparisonChains(efclone, _vocabulary);
efclone->accept(this);
efclone->recursiveDeleteKeepVars();
}
