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/********************* */
/*! \file real_to_int.h
** \verbatim
** Top contributors (to current version):
** Haniel Barbosa, Mathias Preiner
** 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 The RealToInt preprocessing pass
**
** Converts real operations into integer operations
**/
#include "cvc4_private.h"
#ifndef CVC4__PREPROCESSING__PASSES__REAL_TO_INT_H
#define CVC4__PREPROCESSING__PASSES__REAL_TO_INT_H
#include <vector>
#include "expr/node.h"
#include "preprocessing/preprocessing_pass.h"
namespace cvc5 {
namespace preprocessing {
namespace passes {
using NodeMap = std::unordered_map<Node, Node, NodeHashFunction>;
class RealToInt : public PreprocessingPass
{
public:
RealToInt(PreprocessingPassContext* preprocContext);
protected:
PreprocessingPassResult applyInternal(
AssertionPipeline* assertionsToPreprocess) override;
private:
Node realToIntInternal(TNode n, NodeMap& cache, std::vector<Node>& var_eq);
};
} // namespace passes
} // namespace preprocessing
} // namespace cvc5
#endif /* CVC4__PREPROCESSING__PASSES__REAL_TO_INT_H */
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