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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /****************************************************************************** | ||
| * Top contributors (to current version): | ||
| * Andrew Reynolds | ||
| * | ||
| * This file is part of the cvc5 project. | ||
| * | ||
| * Copyright (c) 2009-2024 by the authors listed in the file AUTHORS | ||
| * in the top-level source directory and their institutional affiliations. | ||
| * All rights reserved. See the file COPYING in the top-level source | ||
| * directory for licensing information. | ||
| * **************************************************************************** | ||
| * | ||
| * Utilities for monomials. | ||
| */ | ||
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| #include "theory/arith/nl/ext/arith_nl_compare_proof_gen.h" | ||
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| #include "theory/arith/arith_utilities.h" | ||
| #include "theory/arith/nl/ext/monomial_check.h" | ||
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| namespace cvc5::internal { | ||
| namespace theory { | ||
| namespace arith { | ||
| namespace nl { | ||
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| ArithNlCompareProofGenerator::ArithNlCompareProofGenerator(Env& env) : EnvObj(env), d_absConv(env) {} | ||
| ArithNlCompareProofGenerator::~ArithNlCompareProofGenerator() {} | ||
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| std::shared_ptr<ProofNode> ArithNlCompareProofGenerator::getProofFor(Node fact) | ||
| { | ||
| Assert (fact.getKind()==Kind::IMPLIES); | ||
| std::vector<Node> exp; | ||
| if (fact[0].getKind()==Kind::AND) | ||
| { | ||
| exp.insert(exp.end(), fact[0].begin(), fact[0].end()); | ||
| } | ||
| else | ||
| { | ||
| exp.emplace_back(fact[0]); | ||
| } | ||
| Node conc = fact[1]; | ||
| CDProof cdp(d_env); | ||
| cdp.addStep(conc, ProofRule::MACRO_ARITH_NL_COMPARISON, exp, {conc}); | ||
| cdp.addStep(fact, ProofRule::SCOPE, {conc}, exp); | ||
| return cdp.getProofFor(fact); | ||
| } | ||
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| std::string ArithNlCompareProofGenerator::identify() const { return "ArithNlCompareProofGenerator"; } | ||
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| Node ArithNlCompareProofGenerator::mkLit(NodeManager* nm, Kind k, Node a, Node b, bool isAbsolute) | ||
| { | ||
| if (isAbsolute) | ||
| { | ||
| a = nm->mkNode(Kind::ABS, a); | ||
| b = nm->mkNode(Kind::ABS, b); | ||
| } | ||
| if (k==Kind::EQUAL) | ||
| { | ||
| return mkEquality(a, b); | ||
| } | ||
| return nm->mkNode(k, a, b); | ||
| } | ||
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| } // namespace nl | ||
| } // namespace arith | ||
| } // namespace theory | ||
| } // namespace cvc5::internal | ||
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|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /****************************************************************************** | ||
| * Top contributors (to current version): | ||
| * Andrew Reynolds | ||
| * | ||
| * This file is part of the cvc5 project. | ||
| * | ||
| * Copyright (c) 2009-2024 by the authors listed in the file AUTHORS | ||
| * in the top-level source directory and their institutional affiliations. | ||
| * All rights reserved. See the file COPYING in the top-level source | ||
| * directory for licensing information. | ||
| * **************************************************************************** | ||
| * | ||
| * Utilities for monomials. | ||
| */ | ||
|
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| #ifndef CVC5__THEORY__ARITH__NL__EXT__ARITH_NL_COMPARE_PROOF_GEN_H | ||
| #define CVC5__THEORY__ARITH__NL__EXT__ARITH_NL_COMPARE_PROOF_GEN_H | ||
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| #include "smt/env_obj.h" | ||
| #include "proof/proof_generator.h" | ||
| #include "proof/conv_proof_generator.h" | ||
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| namespace cvc5::internal { | ||
| namespace theory { | ||
| namespace arith { | ||
| namespace nl { | ||
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| class ArithNlCompareProofGenerator : protected EnvObj, public ProofGenerator | ||
| { | ||
| public: | ||
| ArithNlCompareProofGenerator(Env& env); | ||
| virtual ~ArithNlCompareProofGenerator(); | ||
| /** | ||
| */ | ||
| std::shared_ptr<ProofNode> getProofFor(Node fact) override; | ||
| /** identify */ | ||
| std::string identify() const override; | ||
| /** Make literal */ | ||
| static Node mkLit(NodeManager* nm, Kind k, Node a, Node b, bool isAbsolute); | ||
| private: | ||
| /** Converter for absolute value literals */ | ||
| TConvProofGenerator d_absConv; | ||
| }; | ||
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| } // namespace nl | ||
| } // namespace arith | ||
| } // namespace theory | ||
| } // namespace cvc5::internal | ||
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| #endif /* CVC5__THEORY__ARITH__NL_MONOMIAL_H */ |
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