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move unit propagation into monomial_bounds

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-08-31 14:32:05 -07:00
parent c2cbe72b64
commit ff3268e636
4 changed files with 90 additions and 78 deletions
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13
src/math/lp/monomial_bounds.h
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@ -16,6 +16,8 @@ namespace nla {
class core;
class monomial_bounds : common {
dep_intervals& dep;
void var2interval(lpvar v, scoped_dep_interval& i);
bool is_too_big(mpq const& q) const;
bool propagate_down(monic const& m, lpvar u);
@ -27,8 +29,17 @@ namespace nla {
void analyze_monomial(monic const& m, unsigned& num_free, lpvar& free_v, unsigned& power) const;
bool is_free(lpvar v) const;
bool is_zero(lpvar v) const;
// monomial propagation
bool_vector m_propagated;
void unit_propagate(monic const& m);
bool is_linear(monic const& m);
rational fixed_var_product(monic const& m);
lpvar non_fixed_var(monic const& m);
public:
monomial_bounds(core* core);
void operator()();
void propagate();
void unit_propagate();
};
}