blob: 7ec13668279d944eb3ef687ffb00d7af74cff288 (
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
package jcgp.function;
import java.util.ArrayList;
import java.util.Arrays;
import jcgp.exceptions.InvalidArgumentsException;
import jcgp.population.Connection;
public class Arithmetic extends FunctionSet {
public Arithmetic() {
maxArity = 2;
name = "Arithmetic";
functionList = new Function[]{
new Addition(),
new Subtraction(),
new Multiplication(),
new Division()};
allowedFunctions = new ArrayList<Function>(Arrays.asList(functionList));
}
public static class Addition extends Function {
private int arity = 2;
@Override
public Integer run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Integer arg1 = ((Integer) connections[0].getValue());
Integer arg2 = ((Integer) connections[1].getValue());
Integer result = arg1 + arg2;
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "Addition";
}
}
public static class Subtraction extends Function {
private int arity = 2;
@Override
public Integer run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Integer arg1 = ((Integer) connections[0].getValue());
Integer arg2 = ((Integer) connections[1].getValue());
Integer result = arg1 - arg2;
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "Subtraction";
}
}
public static class Multiplication extends Function {
private int arity = 2;
@Override
public Integer run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Integer arg1 = ((Integer) connections[0].getValue());
Integer arg2 = ((Integer) connections[1].getValue());
Integer result = arg1 * arg2;
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "Multiplication";
}
}
public static class Division extends Function {
private int arity = 2;
@Override
public Integer run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Integer arg1 = ((Integer) connections[0].getValue());
Integer arg2 = ((Integer) connections[1].getValue());
Integer result;
if (arg2 == 0) {
result = 0;
} else {
result = arg1 / arg2;
}
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "Division";
}
}
}
|
