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https://github.com/Z3Prover/z3
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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/*++
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Copyright (c) 2017 Microsoft Corporation
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Module Name:
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<name>
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Abstract:
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<abstract>
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Author:
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Nikolaj Bjorner (nbjorner)
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Lev Nachmanson (levnach)
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Revision History:
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--*/
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#pragma once
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#include "util/vector.h"
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#include "util/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 "nlsat/nlsat_solver.h"
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#include "util/lp/lar_solver.h"
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#include "util/lp/monomial.h"
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namespace nla {
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struct ineq {
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lp::lconstraint_kind m_cmp;
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lp::lar_term m_term;
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rational m_rs;
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ineq(lp::lconstraint_kind cmp, const lp::lar_term& term, const rational& rs) : m_cmp(cmp), m_term(term), m_rs(rs) {}
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bool operator==(const ineq& a) const {
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return m_cmp == a.m_cmp && m_term == a.m_term && m_rs == a.m_rs;
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}
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};
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typedef vector<ineq> lemma;
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typedef vector<monomial> polynomial;
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// nonlinear integer incremental linear solver
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class solver {
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struct imp;
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imp* m_imp;
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public:
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// returns the monomial index
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unsigned add_monomial(lp::var_index v, unsigned sz, lp::var_index const* vs);
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solver(lp::lar_solver& s, reslimit& lim, params_ref const& p);
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~solver();
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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(lp::explanation&, lemma&);
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static void test_factorization();
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static void test_basic_sign_lemma();
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static void test_basic_lemma_for_mon_zero_from_monomial_to_factors();
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static void test_basic_lemma_for_mon_zero_from_factors_to_monomial();
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static void test_basic_lemma_for_mon_neutral_from_monomial_to_factors();
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static void test_basic_lemma_for_mon_neutral_from_factors_to_monomial();
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static void test_basic_lemma_for_mon_neutral_from_factors_to_monomial_0();
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static void test_basic_lemma_for_mon_neutral_from_factors_to_monomial_1();
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static void test_order_lemma();
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static void test_order_lemma_params(bool, int sign);
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};
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}
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