blob: a9edc8b02ce2b0557d5ec5b811193ddbdcaf65ab (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds
*
* 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.
* ****************************************************************************
*
* Expand definitions for floating-point arithmetic.
*/
#include "cvc5_private.h"
#ifndef CVC5__THEORY__FP__FP_EXPAND_DEFS_H
#define CVC5__THEORY__FP__FP_EXPAND_DEFS_H
#include "context/cdhashmap.h"
#include "expr/node.h"
#include "theory/trust_node.h"
namespace cvc5 {
namespace theory {
namespace fp {
/**
* Module responsibile for expanding definitions for the FP theory.
*/
class FpExpandDefs
{
using PairTypeNodeHashFunction = PairHashFunction<TypeNode,
TypeNode,
std::hash<TypeNode>,
std::hash<TypeNode>>;
/** Uninterpreted functions for undefined cases of non-total operators. */
using ComparisonUFMap = context::CDHashMap<TypeNode, Node>;
/** Uninterpreted functions for lazy handling of conversions. */
using ConversionUFMap = context::
CDHashMap<std::pair<TypeNode, TypeNode>, Node, PairTypeNodeHashFunction>;
public:
FpExpandDefs(context::UserContext* u);
/** expand definitions in node */
TrustNode expandDefinition(Node node);
private:
/** TODO: document (projects issue #265) */
Node minUF(Node);
Node maxUF(Node);
Node toUBVUF(Node);
Node toSBVUF(Node);
Node toRealUF(Node);
Node abstractRealToFloat(Node);
Node abstractFloatToReal(Node);
ComparisonUFMap d_minMap;
ComparisonUFMap d_maxMap;
ConversionUFMap d_toUBVMap;
ConversionUFMap d_toSBVMap;
ComparisonUFMap d_toRealMap;
}; /* class TheoryFp */
} // namespace fp
} // namespace theory
} // namespace cvc5
#endif /* CVC5__THEORY__FP__THEORY_FP_H */
|
