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41 lines
833 B
C++
41 lines
833 B
C++
/*++
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Copyright (c) 2013 Microsoft Corporation
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Module Name:
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theory_opt.h
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Abstract:
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Interface utilities used by optimization providing
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theory solvers.
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Author:
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Nikolaj Bjorner (nbjorner) 2013-10-18
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Notes:
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--*/
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#include "util/inf_rational.h"
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#include "util/inf_eps_rational.h"
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#include "ast/arith_decl_plugin.h"
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#ifndef THEORY_OPT_H_
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#define THEORY_OPT_H_
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class generic_model_converter;
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namespace smt {
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class theory_opt {
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public:
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typedef inf_eps_rational<inf_rational> inf_eps;
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virtual inf_eps value(theory_var) = 0;
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virtual inf_eps maximize(theory_var v, expr_ref& blocker, bool& has_shared) = 0;
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virtual theory_var add_objective(app* term) = 0;
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bool is_linear(ast_manager& m, expr* term);
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bool is_numeral(arith_util& a, expr* term);
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};
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}
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#endif
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