3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-06 17:44:08 +00:00
z3/src/math/lp/nla_solver.h

53 lines
1.5 KiB
C++

/*++
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_settings.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, reslimit& limit);
~solver();
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(vector<lemma>&);
void set_relevant(std::function<bool(lpvar)>& is_relevant);
nla_settings& settings();
void push();
void pop(unsigned scopes);
bool need_check();
lbool check(vector<lemma>&);
lbool check_power(lpvar r, lpvar x, lpvar y, vector<lemma>&);
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::var_index v) const;
void collect_statistics(::statistics & st);
};
}