Griewank.evaluate() - Code Metrics - Inspection of "add modified algorithm implementation (#17)" - NiaOrg/NiaPy - Measure and Improve Code Quality continuously with Scrutinizer

NiaPy

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by Grega

created 2018-02-10 13:33 UTC

Griewank.evaluate() A

↳ Parent: Griewank.function()

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	1

Metric	Value
dl	0
loc	14
rs	9.4285
c	2
b	0
f	1
cc	2

"""Implementation of Griewank function."""
import math

__all__ = ['Griewank']


class Griewank(object):

    @classmethod
    def function(cls):
        def evaluate(D, sol):

            val = 0.0
            val1 = 0.0
            val2 = 1.0

            for i in range(D):
                val1 = val1 + math.pow(sol[i], 2)
                val2 = val2 + \
                    math.cos((((sol[i]) / math.sqrt(i + 1)) * math.pi) / 180)

            val = (1 / 4000) * val1 - val2 + 1

            return val

        return evaluate


1			"""Implementation of Griewank function."""
2			import math
3
4			__all__ = ['Griewank']
5
6
7			class Griewank(object):
8
9			@classmethod
10			def function(cls):
11			def evaluate(D, sol):
12
13			val = 0.0
14			val1 = 0.0
15			val2 = 1.0
16
17			for i in range(D):
18			val1 = val1 + math.pow(sol[i], 2)
19			val2 = val2 + \
20			math.cos((((sol[i]) / math.sqrt(i + 1)) * math.pi) / 180)
21
22			val = (1 / 4000) * val1 - val2 + 1
23
24			return val
25
26			return evaluate
27

NiaOrg / NiaPy

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Griewank.evaluate() A

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