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add variable minimization

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This commit is contained in:
Nikolaj Bjorner 2021-09-22 14:27:05 -07:00
parent c82bbaad7d
commit e6c413b249
6 changed files with 85 additions and 51 deletions
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4
src/math/polysat/constraint.h
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@ -90,7 +90,7 @@ namespace polysat {
signed_constraint eq(pdd const& p);
signed_constraint ule(pdd const& a, pdd const& b);
signed_constraint ult(pdd const& a, pdd const& b);
signed_constraint ult(pdd const& a, pdd const& b);
signed_constraint sle(pdd const& a, pdd const& b);
signed_constraint slt(pdd const& a, pdd const& b);
@ -224,6 +224,8 @@ namespace polysat {
bool is_always_true() const { return get()->is_always_false(is_negative()); }
bool is_currently_false(solver& s) const;
bool is_currently_true(solver& s) const;
bool is_currently_false(assignment_t const& a) const { return get()->is_currently_false(a, is_positive()); }
bool is_currently_true(assignment_t const& a) const { return get()->is_currently_true(a, is_positive()); }
lbool bvalue(solver& s) const;
unsigned level(solver& s) const { return get()->level(s); }
void narrow(solver& s) { get()->narrow(s, is_positive()); }