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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds |
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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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* Expand definitions for floating-point arithmetic. |
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*/ |
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#include "cvc5_private.h" |
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#ifndef CVC5__THEORY__FP__FP_EXPAND_DEFS_H |
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#define CVC5__THEORY__FP__FP_EXPAND_DEFS_H |
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#include "context/cdhashmap.h" |
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#include "expr/node.h" |
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#include "proof/trust_node.h" |
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namespace cvc5 { |
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namespace theory { |
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namespace fp { |
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/** |
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* Module responsibile for expanding definitions for the FP theory. |
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*/ |
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class FpExpandDefs |
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{ |
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using PairTypeNodeHashFunction = PairHashFunction<TypeNode, |
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TypeNode, |
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std::hash<TypeNode>, |
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std::hash<TypeNode>>; |
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/** Uninterpreted functions for undefined cases of non-total operators. */ |
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using ComparisonUFMap = context::CDHashMap<TypeNode, Node>; |
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/** Uninterpreted functions for lazy handling of conversions. */ |
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using ConversionUFMap = context:: |
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CDHashMap<std::pair<TypeNode, TypeNode>, Node, PairTypeNodeHashFunction>; |
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public: |
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FpExpandDefs(context::UserContext* u); |
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/** expand definitions in node */ |
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TrustNode expandDefinition(Node node); |
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private: |
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/** TODO: document (projects issue #265) */ |
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Node minUF(Node); |
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Node maxUF(Node); |
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Node toUBVUF(Node); |
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Node toSBVUF(Node); |
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Node toRealUF(Node); |
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Node abstractRealToFloat(Node); |
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Node abstractFloatToReal(Node); |
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ComparisonUFMap d_minMap; |
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ComparisonUFMap d_maxMap; |
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ConversionUFMap d_toUBVMap; |
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ConversionUFMap d_toSBVMap; |
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ComparisonUFMap d_toRealMap; |
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}; /* class TheoryFp */ |
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} // namespace fp |
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} // namespace theory |
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} // namespace cvc5 |
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#endif /* CVC5__THEORY__FP__THEORY_FP_H */ |