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44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
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/*++
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Copyright (c) 2015 Microsoft Corporation
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--*/
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#ifndef QE_ARITH_H_
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#define QE_ARITH_H_
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#include "model/model.h"
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#include "ast/arith_decl_plugin.h"
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#include "qe/qe_mbp.h"
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namespace qe {
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/**
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Loos-Weispfenning model-based projection for a basic conjunction.
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Lits is a vector of literals.
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return vector of variables that could not be projected.
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*/
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class arith_project_plugin : public project_plugin {
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struct imp;
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imp* m_imp;
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public:
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arith_project_plugin(ast_manager& m);
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virtual ~arith_project_plugin();
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virtual bool operator()(model& model, app* var, app_ref_vector& vars, expr_ref_vector& lits);
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virtual bool solve(model& model, app_ref_vector& vars, expr_ref_vector& lits);
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virtual family_id get_family_id();
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virtual void operator()(model& model, app_ref_vector& vars, expr_ref_vector& lits);
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opt::inf_eps maximize(expr_ref_vector const& fmls, model& mdl, app* t, expr_ref& ge, expr_ref& gt);
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};
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bool arith_project(model& model, app* var, expr_ref_vector& lits);
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};
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#endif
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