spot 2.16
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cube.hh
1// -*- coding: utf-8 -*-
2// Copyright (C) by the Spot authors, see the AUTHORS file for details.
3//
4// This file is part of Spot, a model checking library.
5//
6// Spot is free software; you can redistribute it and/or modify it
7// under the terms of the GNU General Public License as published by
8// the Free Software Foundation; either version 3 of the License, or
9// (at your option) any later version.
10//
11// Spot is distributed in the hope that it will be useful, but WITHOUT
12// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14// License for more details.
15//
16// You should have received a copy of the GNU General Public License
17// along with this program. If not, see <http://www.gnu.org/licenses/>.
18
19
20#pragma once
21
22#include <spot/misc/common.hh>
23#include <vector>
24#include <string>
25#include <climits>
26#include <sstream>
27
28namespace spot
29{
66 using cube = unsigned*;
67
71 class SPOT_API cubeset final
72 {
73 // \brief The total number of variables stored
74 size_t size_;
75
77 size_t uint_size_;
78
80 size_t nb_bits_;
81
82 public:
83 // Some default/deleted constructor/destructors
84 cubeset() = delete;
85 ~cubeset() = default;
86
88 cubeset(int aps);
89
91 cube alloc() const;
92
94 void set_true_var(cube c, unsigned int x) const;
95
97 void set_false_var(cube c, unsigned int x) const;
98
100 bool is_true_var(cube c, unsigned int x) const;
101
103 bool is_false_var(cube c, unsigned int x) const;
104
106 bool intersect(const cube lhs, const cube rhs) const;
107
109 cube intersection(const cube lhs, const cube rhs) const;
110
113 bool is_valid(const cube lhs) const;
114
116 size_t size() const;
117
119 void release(cube lhs) const;
120
122 void display(const cube c) const;
123
125 std::string dump(cube c, const std::vector<std::string>& aps) const;
126 };
127}
Manager for allocating and manipulating cubes (bit-encoded partial assignments over APs).
Definition cube.hh:72
cubeset(int aps)
Build the cubeset manager for aps variables.
void release(cube lhs) const
Release a cube.
size_t size() const
Return the size of each cube.
bool is_valid(const cube lhs) const
Check whether lhs is valid, i.e., there is no variable that is both true and false at the same time.
bool is_true_var(cube c, unsigned int x) const
Check if the variable at position x is true.
void set_false_var(cube c, unsigned int x) const
Set the variable at position x to false.
void set_true_var(cube c, unsigned int x) const
Set the variable at position x to true.
std::string dump(cube c, const std::vector< std::string > &aps) const
Return the cube bound with atomic proposition names.
void display(const cube c) const
Raw display cube.
bool is_false_var(cube c, unsigned int x) const
Check if the variable at position x is false.
cube intersection(const cube lhs, const cube rhs) const
Return a cube resulting from the intersection of the two cubes.
bool intersect(const cube lhs, const cube rhs) const
Return true if two cubes intersect.
cube alloc() const
Allocate a new cube.
unsigned * cube
A cube is only a set of bits in memory.
Definition cube.hh:66
Definition automata.hh:26

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