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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds, Mathias Preiner |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* Quantifiers representative bound utility. |
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*/ |
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#include "cvc5_private.h" |
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#ifndef CVC5__THEORY__QUANTIFIERS__QUANT_REP_BOUND_EXT_H |
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#define CVC5__THEORY__QUANTIFIERS__QUANT_REP_BOUND_EXT_H |
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#include <map> |
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#include "expr/node.h" |
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#include "theory/rep_set.h" |
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#include "theory/theory_model.h" |
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namespace cvc5 { |
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namespace theory { |
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namespace quantifiers { |
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class QuantifiersBoundInference; |
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class FirstOrderModel; |
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/** Quantifiers representative bound |
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* |
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* This class is used for computing (finite) bounds for the domain of a |
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* quantifier in the context of a RepSetIterator (see theory/rep_set.h) |
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* based on modules from the quantifiers engine. |
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*/ |
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class QRepBoundExt : public RepBoundExt |
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{ |
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public: |
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QRepBoundExt(QuantifiersBoundInference& qbi, FirstOrderModel* m); |
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virtual ~QRepBoundExt() {} |
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/** set bound */ |
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RsiEnumType setBound(Node owner, |
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unsigned i, |
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std::vector<Node>& elements) override; |
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/** reset index */ |
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bool resetIndex(RepSetIterator* rsi, |
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Node owner, |
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unsigned i, |
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bool initial, |
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std::vector<Node>& elements) override; |
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/** initialize representative set for type */ |
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bool initializeRepresentativesForType(TypeNode tn) override; |
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/** get variable order */ |
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bool getVariableOrder(Node owner, std::vector<unsigned>& varOrder) override; |
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private: |
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/** Reference to the quantifiers bound inference */ |
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QuantifiersBoundInference& d_qbi; |
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/** Pointer to the quantifiers model */ |
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FirstOrderModel* d_model; |
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/** indices that are bound integer enumeration */ |
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std::map<unsigned, bool> d_bound_int; |
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}; |
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} // namespace quantifiers |
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} // namespace theory |
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} // namespace cvc5 |
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#endif /* CVC5__FIRST_ORDER_MODEL_H */ |