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53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/*++
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Copyright (c) 2017 Microsoft Corporation
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Author:
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Lev Nachmanson (levnach)
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Nikolaj Bjorner (nbjorner)
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--*/
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#pragma once
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#include "util/vector.h"
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#include "math/lp/lp_settings.h"
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#include "util/rlimit.h"
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#include "util/params.h"
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#include "math/lp/lar_solver.h"
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#include "math/lp/monic.h"
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#include "math/lp/nla_settings.h"
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#include "math/lp/nla_core.h"
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namespace nra {
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class solver;
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}
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namespace nla {
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class core;
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// nonlinear integer incremental linear solver
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class solver {
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reslimit m_res_limit;
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core* m_core;
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nra::solver m_nra;
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bool m_use_nra_model;
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lbool run_nra(lp::explanation&);
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void set_use_nra_model(bool m) { m_use_nra_model = m; }
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public:
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void add_monic(lpvar v, unsigned sz, lpvar const* vs);
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solver(lp::lar_solver& s);
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~solver();
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nla_settings& settings();
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void push();
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void pop(unsigned scopes);
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bool need_check();
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lbool check(vector<lemma>&, lp::explanation& lp);
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bool is_monic_var(lpvar) const;
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bool influences_nl_var(lpvar) const;
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std::ostream& display(std::ostream& out) const;
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bool use_nra_model() const { return m_use_nra_model; }
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core& get_core() { return *m_core; }
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nlsat::anum_manager& am() { return m_nra.am(); }
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nlsat::anum const& am_value(lp::var_index v) const {
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SASSERT(use_nra_model());
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return m_nra.value(v);
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}
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};
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}
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