/*++ Copyright (c) 2020 Microsoft Corporation Author: Nikolaj Bjorner (nbjorner) Lev Nachmanson (levnach) --*/ #pragma once #include "math/lp/nla_common.h" #include "math/lp/nla_intervals.h" #include "math/lp/u_set.h" 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); 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); 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; public: monomial_bounds(core* core); void operator()(); }; }