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smul no overflow

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-02-16 18:55:07 +02:00
parent 89d6f1c191
commit 8c9835bca6
24 changed files with 376 additions and 63 deletions
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src/math/polysat/mul_ovfl_constraint.h
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@ -28,6 +28,7 @@ namespace polysat {
bool is_always_false(bool is_positive, pdd const& p, pdd const& q) const;
bool is_always_true(bool is_positive, pdd const& p, pdd const& q) const;
bool narrow_bound(solver& s, bool is_positive, pdd const& p0, pdd const& q0, pdd const& p, pdd const& q);
bool try_viable(solver& s, bool is_positive, pdd const& p0, pdd const& q0, pdd const& p, pdd const& q);
lbool eval(pdd const& p, pdd const& q) const;
public:
@ -37,7 +38,7 @@ namespace polysat {
std::ostream& display(std::ostream& out, lbool status) const override;
std::ostream& display(std::ostream& out) const override;
bool is_always_false(bool is_positive) const override;
void narrow(solver& s, bool is_positive) override;
void narrow(solver& s, bool is_positive, bool first) override;
bool is_currently_false(solver & s, bool is_positive) const override;
bool is_currently_true(solver& s, bool is_positive) const override;
bool is_currently_false(solver& s, assignment_t const& sub, bool is_positive) const override { return false; }