z3-z3-4.13.0.src.math.lp.nla_solver.h Maven / Gradle / Ivy
The newest version!
/*++
Copyright (c) 2017 Microsoft Corporation
Author:
Lev Nachmanson (levnach)
Nikolaj Bjorner (nbjorner)
--*/
#pragma once
#include "util/vector.h"
#include "math/lp/lp_settings.h"
#include "util/rlimit.h"
#include "util/params.h"
#include "math/lp/lar_solver.h"
#include "math/lp/monic.h"
#include "math/lp/nla_core.h"
namespace nra {
class solver;
}
namespace nla {
class core;
// nonlinear integer incremental linear solver
class solver {
core* m_core;
public:
solver(lp::lar_solver& s, params_ref const& p, reslimit& limit);
~solver();
const auto& monics_with_changed_bounds() const { return m_core->monics_with_changed_bounds(); }
void add_monic(lpvar v, unsigned sz, lpvar const* vs);
void add_idivision(lpvar q, lpvar x, lpvar y);
void add_rdivision(lpvar q, lpvar x, lpvar y);
void add_bounded_division(lpvar q, lpvar x, lpvar y);
void check_bounded_divisions();
void set_relevant(std::function& is_relevant);
void push();
void pop(unsigned scopes);
bool need_check();
lbool check();
void propagate();
void simplify() { m_core->simplify(); }
lbool check_power(lpvar r, lpvar x, lpvar y);
bool is_monic_var(lpvar) const;
bool influences_nl_var(lpvar) const;
std::ostream& display(std::ostream& out) const;
bool use_nra_model() const;
core& get_core();
nlsat::anum_manager& am();
nlsat::anum const& am_value(lp::lpvar v) const;
scoped_anum& tmp1();
scoped_anum& tmp2();
vector const& lemmas() const;
vector const& literals() const;
vector const& fixed_equalities() const;
vector const& equalities() const;
bool should_check_feasible() const { return m_core->should_check_feasible(); }
};
}