blob: 85e00b1b12851c87c88aeb90c8f44dc4d0e6041b (
plain) (
blame)
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
|
/*-----------------------------------------------------------------------------
| Copyright (c) 2013-2017, Nucleic Development Team.
|
| Distributed under the terms of the Modified BSD License.
|
| The full license is in the file LICENSE, distributed with this software.
|----------------------------------------------------------------------------*/
#pragma once
#include <utility>
#include "variable.h"
namespace kiwi
{
class Term
{
public:
Term( Variable variable, double coefficient = 1.0 ) :
m_variable( std::move(variable) ), m_coefficient( coefficient ) {}
// to facilitate efficient map -> vector copies
Term( const std::pair<const Variable, double>& pair ) :
m_variable( pair.first ), m_coefficient( pair.second ) {}
Term(const Term&) = default;
Term(Term&&) noexcept = default;
~Term() = default;
const Variable& variable() const
{
return m_variable;
}
double coefficient() const
{
return m_coefficient;
}
double value() const
{
return m_coefficient * m_variable.value();
}
Term& operator=(const Term&) = default;
Term& operator=(Term&&) noexcept = default;
private:
Variable m_variable;
double m_coefficient;
};
} // namespace kiwi
|
