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preparing intblaster as self-contained solver.

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add activate and propagate to constraints
support axiomatized operators band, lsh, rshl, rsha
This commit is contained in:
Nikolaj Bjorner 2023-12-12 11:11:37 -08:00
parent f388f58a4b
commit 2292a26a25
15 changed files with 368 additions and 326 deletions
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4
src/sat/smt/polysat/umul_ovfl_constraint.h
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@ -25,6 +25,8 @@ namespace polysat {
static bool is_always_false(bool is_positive, pdd const& p, pdd const& q) { return is_always_true(!is_positive, p, q); }
static lbool eval(pdd const& p, pdd const& q);
bool narrow_bound(core& c, bool is_positive, pdd const& p0, pdd const& q0, pdd const& p, pdd const& q, dependency const& d);
public:
umul_ovfl_constraint(pdd const& p, pdd const& q);
~umul_ovfl_constraint() override {}
@ -34,6 +36,8 @@ namespace polysat {
std::ostream& display(std::ostream& out) const override;
lbool eval() const override;
lbool eval(assignment const& a) const override;
void activate(core& c, bool sign, dependency const& dep) override;
void propagate(core& c, lbool value, dependency const& dep) override;
};
}