diff options
Diffstat (limited to 'src/theory/quantifiers/quant_equality_engine.h')
| -rw-r--r-- | src/theory/quantifiers/quant_equality_engine.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/theory/quantifiers/quant_equality_engine.h b/src/theory/quantifiers/quant_equality_engine.h index 35a328147..26654de4d 100644 --- a/src/theory/quantifiers/quant_equality_engine.h +++ b/src/theory/quantifiers/quant_equality_engine.h @@ -1,13 +1,13 @@ /********************* */ /*! \file quant_equality_engine.h ** \verbatim - ** Original author: Andrew Reynolds - ** Major contributors: none - ** Minor contributors (to current version): none + ** Top contributors (to current version): + ** Andrew Reynolds, Tim King ** This file is part of the CVC4 project. - ** Copyright (c) 2009-2014 New York University and The University of Iowa - ** See the file COPYING in the top-level source directory for licensing - ** information.\endverbatim + ** Copyright (c) 2009-2016 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.\endverbatim ** ** \brief Congruence closure with free variables **/ @@ -56,12 +56,21 @@ private: context::CDList<Node> d_quant_red; /** unprocessed quantifiers in current context */ NodeBoolMap d_quant_unproc; + // map predicates to functions over int + TypeNode d_intType; + std::map< Node, Node > d_pred_to_func; + Node getFunctionForPredicate( Node f ); + Node getFunctionAppForPredicateApp( Node n ); private: void conflict(TNode t1, TNode t2); void eqNotifyNewClass(TNode t); void eqNotifyPreMerge(TNode t1, TNode t2); void eqNotifyPostMerge(TNode t1, TNode t2); void eqNotifyDisequal(TNode t1, TNode t2, TNode reason); + //queries + bool areUnivDisequalInternal( TNode n1, TNode n2 ); + bool areUnivEqualInternal( TNode n1, TNode n2 ); + TNode getUnivRepresentativeInternal( TNode n ); public: QuantEqualityEngine( QuantifiersEngine * qe, context::Context* c ); virtual ~QuantEqualityEngine() throw (){} |