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Replace the use of optional<rational> by inf_eps_rational<rational>

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Also handle composite objectives correctly.
This commit is contained in:
Phan Anh Dung 2013-10-19 06:03:21 +02:00
parent a44044fb15
commit 53f78f7d19
9 changed files with 50 additions and 43 deletions
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10
src/smt/theory_opt.h
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@ -18,15 +18,21 @@ Notes:
--*/
#include "inf_eps_rational.h"
#ifndef _THEORY_OPT_H_
#define _THEORY_OPT_H_
namespace smt {
class theory_opt {
public:
virtual bool max(theory_var v) { UNREACHABLE(); return false; };
virtual bool maximize(theory_var v) { UNREACHABLE(); return false; };
virtual theory_var add_objective(app* term) { UNREACHABLE(); return null_theory_var; }
virtual optional<rational> get_objective_value(theory_var v) { UNREACHABLE(); optional<rational> r; return r;}
virtual inf_eps_rational<rational> get_objective_value(theory_var v) {
UNREACHABLE();
inf_eps_rational<rational> r(rational(1), rational(0));
return r;
}
};
}