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34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
/*++
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Copyright (c) 2020 Microsoft Corporation
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Author:
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Nikolaj Bjorner (nbjorner)
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Lev Nachmanson (levnach)
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--*/
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#pragma once
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#include "math/lp/nla_common.h"
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#include "math/lp/nla_intervals.h"
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#include "math/lp/u_set.h"
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namespace nla {
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class core;
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class monomial_bounds : common {
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dep_intervals& dep;
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void var2interval(lpvar v, scoped_dep_interval& i);
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bool is_too_big(mpq const& q) const;
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bool propagate_down(monic const& m, lpvar u);
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bool propagate_value(dep_interval& range, lpvar v);
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bool propagate_value(dep_interval& range, lpvar v, unsigned power);
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void compute_product(unsigned start, monic const& m, scoped_dep_interval& i);
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bool propagate(monic const& m);
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bool propagate_down(monic const& m, dep_interval& mi, lpvar v, unsigned power, dep_interval& product);
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void analyze_monomial(monic const& m, unsigned& num_free, lpvar& free_v, unsigned& power) const;
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bool is_free(lpvar v) const;
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bool is_zero(lpvar v) const;
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public:
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monomial_bounds(core* core);
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void operator()();
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};
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}
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