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Separate constraint creation from activation; add sign/polarity to constraints (#5217)

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* Separate constraint creation from activation

* Basic recursive handling of disjunctive lemmas for unit tests

* Set learned constraint to true immediately

* Preliminary support for negated constraints
This commit is contained in:
Jakob Rath 2021-04-26 18:55:58 +02:00 • committed by GitHub
parent 2fac9e6e66
commit 9e505d60f0
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12 changed files with 244 additions and 73 deletions
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src/math/polysat/constraint.cpp
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@ -29,16 +29,16 @@ namespace polysat {
return *dynamic_cast<eq_constraint const*>(this);
}
constraint* constraint::eq(unsigned lvl, pdd const& p, p_dependency_ref& d) {
return alloc(eq_constraint, lvl, p, d);
constraint* constraint::eq(unsigned lvl, bool_var bvar, csign_t sign, pdd const& p, p_dependency_ref& d) {
return alloc(eq_constraint, lvl, bvar, sign, p, d);
}
constraint* constraint::viable(unsigned lvl, pvar v, bdd const& b, p_dependency_ref& d) {
return alloc(var_constraint, lvl, v, b, d);
constraint* constraint::viable(unsigned lvl, bool_var bvar, csign_t sign, pvar v, bdd const& b, p_dependency_ref& d) {
return alloc(var_constraint, lvl, bvar, sign, v, b, d);
}
constraint* constraint::ule(unsigned lvl, pdd const& a, pdd const& b, p_dependency_ref& d) {
return alloc(ule_constraint, lvl, a, b, d);
constraint* constraint::ule(unsigned lvl, bool_var bvar, csign_t sign, pdd const& a, pdd const& b, p_dependency_ref& d) {
return alloc(ule_constraint, lvl, bvar, sign, a, b, d);
}
}