Passed
Push — master ( 90fac4...b39ade )
by Grega
51s
created

Rastrigin.evaluate()   A

Complexity

Conditions 2

Size

Total Lines 9

Duplication

Lines 0
Ratio 0 %

Importance

Changes 2
Bugs 0 Features 2
Metric Value
dl 0
loc 9
rs 9.6666
c 2
b 0
f 2
cc 2
1
"""Implementation of Rastrigin benchmark function."""
2
import math
3
4
__all__ = ['Rastrigin']
5
6
7
class Rastrigin(object):
8
9
    @classmethod
10
    def function(cls):
11
        def evaluate(D, sol):
12
            val = 0.0
13
14
            for i in range(D):
15
                val = val + \
16
                    math.pow(sol[i], 2) - 10 * math.cos(
17
                        2 * math.pi * sol[i]) + 10
18
19
            return val
20
21
        return evaluate
22