blob: dd3c2f0e50646edd3472226d024e0a81ddbd6505 (
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
|
/********************* */
/*! \file divisible.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Paul Meng, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 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 [[ Add one-line brief description here ]]
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include "cvc4_public.h"
#ifndef __CVC4__DIVISIBLE_H
#define __CVC4__DIVISIBLE_H
#include <iosfwd>
#include "base/exception.h"
#include "util/integer.h"
namespace CVC4 {
/**
* The structure representing the divisibility-by-k predicate.
*/
struct CVC4_PUBLIC Divisible {
const Integer k;
Divisible(const Integer& n);
bool operator==(const Divisible& d) const {
return k == d.k;
}
bool operator!=(const Divisible& d) const {
return !(*this == d);
}
};/* struct Divisible */
/**
* Hash function for the Divisible objects.
*/
struct CVC4_PUBLIC DivisibleHashFunction {
size_t operator()(const Divisible& d) const {
return d.k.hash();
}
};/* struct DivisibleHashFunction */
inline std::ostream& operator <<(std::ostream& os, const Divisible& d) CVC4_PUBLIC;
inline std::ostream& operator <<(std::ostream& os, const Divisible& d) {
return os << "divisible-by-" << d.k;
}
}/* CVC4 namespace */
#endif /* __CVC4__DIVISIBLE_H */
|
