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fix divergence reported by Guido Martinez

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This commit is contained in:
Nikolaj Bjorner 2023-12-07 13:34:35 -08:00
parent 6afed0819c
commit 4d1d067d42
4 changed files with 22 additions and 0 deletions
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15
src/math/lp/emonics.cpp
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@ -611,4 +611,19 @@ void emonics::set_propagated(monic const& m) {
m_u_f_stack.push(set_unpropagated(*this, m.var()));
}
void emonics::set_bound_propagated(monic const& m) {
struct set_bound_unpropagated : public trail {
emonics& em;
unsigned var;
public:
set_bound_unpropagated(emonics& em, unsigned var): em(em), var(var) {}
void undo() override {
em[var].set_bound_propagated(false);
}
};
SASSERT(!m.is_bound_propagated());
(*this)[m.var()].set_bound_propagated(true);
m_u_f_stack.push(set_bound_unpropagated(*this, m.var()));
}
}