mirror of
https://github.com/Z3Prover/z3
synced 2026-02-24 17:21:21 +00:00
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
|
|
/*++
|
|
Copyright (c) 2015 Microsoft Corporation
|
|
|
|
--*/
|
|
|
|
|
|
#ifndef QE_ARITH_H_
|
|
#define QE_ARITH_H_
|
|
|
|
#include "model/model.h"
|
|
#include "ast/arith_decl_plugin.h"
|
|
#include "qe/qe_mbp.h"
|
|
|
|
namespace qe {
|
|
|
|
/**
|
|
Loos-Weispfenning model-based projection for a basic conjunction.
|
|
Lits is a vector of literals.
|
|
return vector of variables that could not be projected.
|
|
*/
|
|
|
|
class arith_project_plugin : public project_plugin {
|
|
struct imp;
|
|
imp* m_imp;
|
|
public:
|
|
arith_project_plugin(ast_manager& m);
|
|
~arith_project_plugin() override;
|
|
bool operator()(model& model, app* var, app_ref_vector& vars, expr_ref_vector& lits) override;
|
|
bool solve(model& model, app_ref_vector& vars, expr_ref_vector& lits) override;
|
|
family_id get_family_id() override;
|
|
void operator()(model& model, app_ref_vector& vars, expr_ref_vector& lits) override;
|
|
vector<def> project(model& model, app_ref_vector& vars, expr_ref_vector& lits) override;
|
|
|
|
opt::inf_eps maximize(expr_ref_vector const& fmls, model& mdl, app* t, expr_ref& ge, expr_ref& gt);
|
|
|
|
/**
|
|
* \brief check if formulas are purified, or leave it to caller to ensure that
|
|
* arithmetic variables nested under foreign functions are handled properly.
|
|
*/
|
|
void set_check_purified(bool check_purified);
|
|
};
|
|
|
|
bool arith_project(model& model, app* var, expr_ref_vector& lits);
|
|
|
|
|
|
};
|
|
|
|
#endif
|