mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-07-19 02:42:02 +00:00
Code Activity

renaming to optsmt

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-11-08 12:41:05 -08:00
parent 33be06c6dc
commit 29cc9025cb
3 changed files with 17 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

71
src/opt/optimize_objectives.h
View file

@ -1,71 +0,0 @@
/*++
Copyright (c) 2013 Microsoft Corporation
Module Name:
optimize_objectives.h
Abstract:
Objective optimization method.
Author:
Anh-Dung Phan (t-anphan) 2013-10-16
Notes:
--*/
#ifndef _OPT_OBJECTIVES_H_
#define _OPT_OBJECTIVES_H_
#include "opt_solver.h"
namespace opt {
/**
Takes solver with hard constraints added.
Returns an optimal assignment to objective functions.
*/
class optimize_objectives {
ast_manager& m;
opt_solver* s;
volatile bool m_cancel;
vector<inf_eps> m_lower;
vector<inf_eps> m_upper;
app_ref_vector m_objs;
svector<bool> m_is_max;
svector<smt::theory_var> m_vars;
symbol m_engine;
public:
optimize_objectives(ast_manager& m): m(m), s(0), m_cancel(false), m_objs(m) {}
lbool operator()(opt_solver& s);
void add(app* t, bool is_max);
void set_cancel(bool f);
void set_engine(symbol const& e) { m_engine = e; }
void display(std::ostream& out) const;
inf_eps get_value(bool as_positive, unsigned index) const;
private:
lbool basic_opt();
lbool farkas_opt();
void set_max(vector<inf_eps>& dst, vector<inf_eps> const& src);
void update_lower();
lbool update_upper();
};
};
#endif