1 |
|
/****************************************************************************** |
2 |
|
* Top contributors (to current version): |
3 |
|
* Haniel Barbosa, Mathias Preiner |
4 |
|
* |
5 |
|
* This file is part of the cvc5 project. |
6 |
|
* |
7 |
|
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
8 |
|
* in the top-level source directory and their institutional affiliations. |
9 |
|
* All rights reserved. See the file COPYING in the top-level source |
10 |
|
* directory for licensing information. |
11 |
|
* **************************************************************************** |
12 |
|
* |
13 |
|
* The RealToInt preprocessing pass. |
14 |
|
* |
15 |
|
* Converts real operations into integer operations. |
16 |
|
*/ |
17 |
|
|
18 |
|
#include "cvc5_private.h" |
19 |
|
|
20 |
|
#ifndef CVC5__PREPROCESSING__PASSES__REAL_TO_INT_H |
21 |
|
#define CVC5__PREPROCESSING__PASSES__REAL_TO_INT_H |
22 |
|
|
23 |
|
#include <vector> |
24 |
|
|
25 |
|
#include "context/cdhashmap.h" |
26 |
|
#include "expr/node.h" |
27 |
|
#include "preprocessing/preprocessing_pass.h" |
28 |
|
|
29 |
|
namespace cvc5 { |
30 |
|
namespace preprocessing { |
31 |
|
namespace passes { |
32 |
|
|
33 |
18918 |
class RealToInt : public PreprocessingPass |
34 |
|
{ |
35 |
|
using NodeMap = context::CDHashMap<Node, Node>; |
36 |
|
|
37 |
|
public: |
38 |
|
RealToInt(PreprocessingPassContext* preprocContext); |
39 |
|
|
40 |
|
protected: |
41 |
|
PreprocessingPassResult applyInternal( |
42 |
|
AssertionPipeline* assertionsToPreprocess) override; |
43 |
|
|
44 |
|
private: |
45 |
|
Node realToIntInternal(TNode n, NodeMap& cache, std::vector<Node>& var_eq); |
46 |
|
/** Cache for the above method */ |
47 |
|
NodeMap d_cache; |
48 |
|
}; |
49 |
|
|
50 |
|
} // namespace passes |
51 |
|
} // namespace preprocessing |
52 |
|
} // namespace cvc5 |
53 |
|
|
54 |
|
#endif /* CVC5__PREPROCESSING__PASSES__REAL_TO_INT_H */ |