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merging master to unit_prop_on_monomials

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This commit is contained in:
Lev Nachmanson 2023-10-02 16:42:59 -07:00
parent a297a2b25c
commit 7de06c4350
19 changed files with 333 additions and 375 deletions
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16
src/math/lp/monomial_bounds.h
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@ -17,24 +17,32 @@ namespace nla {
class monomial_bounds : common {
dep_intervals& dep;
u_dependency* explain_fixed(const svector<lpvar>& vars, lpvar non_fixed);
void var2interval(lpvar v, scoped_dep_interval& i);
bool is_too_big(mpq const& q) const;
bool propagate_down(monic const& m, lpvar u);
bool propagate_value(dep_interval& range, lpvar v);
bool propagate_value(dep_interval& range, lpvar v, unsigned power);
void compute_product(unsigned start, monic const& m, scoped_dep_interval& i);
bool propagate(monic const& m);
void propagate_fixed(monic const& m, rational const& k);
void propagate_nonfixed(monic const& m, rational const& k, lpvar w);
u_dependency* explain_fixed(monic const& m, rational const& k);
lp::explanation get_explanation(u_dependency* dep);
bool propagate_down(monic const& m, dep_interval& mi, lpvar v, unsigned power, dep_interval& product);
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;
bool is_linear(monic const& m, lpvar& zero_var, lpvar& non_fixed);
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 propagate();
void propagate_nonfixed(lpvar monic_var, const svector<lpvar>& vars, lpvar non_fixed, const rational& k);
void unit_propagate();
};
}