diff options
Diffstat (limited to 'src/preprocessing/util/ite_utilities.cpp')
| -rw-r--r-- | src/preprocessing/util/ite_utilities.cpp | 49 |
1 files changed, 22 insertions, 27 deletions
diff --git a/src/preprocessing/util/ite_utilities.cpp b/src/preprocessing/util/ite_utilities.cpp index 093f4a573..6dfce4254 100644 --- a/src/preprocessing/util/ite_utilities.cpp +++ b/src/preprocessing/util/ite_utilities.cpp @@ -1,22 +1,23 @@ -/********************* */ -/*! \file ite_utilities.cpp - ** \verbatim - ** Top contributors (to current version): - ** Tim King, Aina Niemetz, Clark Barrett - ** This file is part of the CVC4 project. - ** Copyright (c) 2009-2021 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 Simplifications for ITE expressions - ** - ** This module implements preprocessing phases designed to simplify ITE - ** expressions. Based on: - ** Kim, Somenzi, Jin. Efficient Term-ITE Conversion for SMT. FMCAD 2009. - ** Burch, Jerry. Techniques for Verifying Superscalar Microprocessors. DAC +/****************************************************************************** + * Top contributors (to current version): + * Tim King, Aina Niemetz, Clark Barrett + * + * This file is part of the cvc5 project. + * + * Copyright (c) 2009-2021 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. + * **************************************************************************** + * + * Simplifications for ITE expressions. + * + * This module implements preprocessing phases designed to simplify ITE + * expressions. Based on: + * Kim, Somenzi, Jin. Efficient Term-ITE Conversion for SMT. FMCAD 2009. + * Burch, Jerry. Techniques for Verifying Superscalar Microprocessors. DAC *'96 - **/ + */ #include "preprocessing/util/ite_utilities.h" #include <utility> @@ -167,9 +168,7 @@ void ITEUtilities::clear() d_containsVisitor->garbageCollect(); } -/********************* */ -/* ContainsTermITEVisitor - */ +/** ContainsTermITEVisitor. */ ContainsTermITEVisitor::ContainsTermITEVisitor() : d_cache() {} ContainsTermITEVisitor::~ContainsTermITEVisitor() {} bool ContainsTermITEVisitor::containsTermITE(TNode e) @@ -240,9 +239,7 @@ bool ContainsTermITEVisitor::containsTermITE(TNode e) } void ContainsTermITEVisitor::garbageCollect() { d_cache.clear(); } -/********************* */ -/* IncomingArcCounter - */ +/** IncomingArcCounter. */ IncomingArcCounter::IncomingArcCounter(bool skipVars, bool skipConstants) : d_reachCount(), d_skipVariables(skipVars), d_skipConstants(skipConstants) { @@ -289,9 +286,7 @@ void IncomingArcCounter::computeReachability( void IncomingArcCounter::clear() { d_reachCount.clear(); } -/********************* */ -/* ITECompressor - */ +/** ITECompressor. */ ITECompressor::ITECompressor(ContainsTermITEVisitor* contains) : d_contains(contains), d_assertions(NULL), d_incoming(true, true) { |