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/********************* */
/*! \file non_clausal_simp.h
** \verbatim
** Top contributors (to current version):
** Aina Niemetz
** This file is part of the CVC4 project.
** Copyright (c) 2009-2019 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 Non-clausal simplification preprocessing pass.
**/
#include "cvc4_private.h"
#ifndef CVC4__PREPROCESSING__PASSES__NON_CLAUSAL_SIMP_H
#define CVC4__PREPROCESSING__PASSES__NON_CLAUSAL_SIMP_H
#include <vector>
#include "expr/node.h"
#include "preprocessing/preprocessing_pass.h"
#include "preprocessing/preprocessing_pass_context.h"
namespace CVC4 {
namespace preprocessing {
namespace passes {
class NonClausalSimp : public PreprocessingPass
{
public:
NonClausalSimp(PreprocessingPassContext* preprocContext);
protected:
PreprocessingPassResult applyInternal(
AssertionPipeline* assertionsToPreprocess) override;
private:
struct Statistics
{
IntStat d_numConstantProps;
Statistics();
~Statistics();
};
Statistics d_statistics;
/** Learned literals */
std::vector<Node> d_nonClausalLearnedLiterals;
};
} // namespace passes
} // namespace preprocessing
} // namespace CVC4
#endif
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