|
1
|
|
|
"""Implementation of benchmarks utility function.""" |
|
2
|
|
|
|
|
3
|
|
|
from . import Rastrigin, Rosenbrock, Griewank, Sphere, Ackley |
|
4
|
|
|
|
|
5
|
|
|
__all__ = ['Utility'] |
|
6
|
|
|
|
|
7
|
|
|
|
|
8
|
|
|
# pylint: disable=too-many-return-statements |
|
9
|
|
|
class Utility: |
|
10
|
|
|
|
|
11
|
|
|
# pylint: disable=too-many-return-statements |
|
12
|
|
|
@staticmethod |
|
13
|
|
|
def get_benchmark(benchmark, LowerBound=None, UpperBound=None): |
|
14
|
|
|
if not isinstance(benchmark, ''.__class__): |
|
15
|
|
|
return benchmark |
|
16
|
|
|
else: |
|
17
|
|
|
if benchmark == 'rastrigin': |
|
18
|
|
|
if UpperBound is None and LowerBound is None: |
|
19
|
|
|
return Rastrigin() |
|
20
|
|
|
elif UpperBound is not None and LowerBound is not None: |
|
21
|
|
|
return Rastrigin(LowerBound, UpperBound) |
|
22
|
|
|
else: |
|
23
|
|
|
raise TypeError('Upper and Lower value must be defined!') |
|
24
|
|
|
elif benchmark == 'rosenbrock': |
|
25
|
|
|
if UpperBound is None and LowerBound is None: |
|
26
|
|
|
return Rosenbrock() |
|
27
|
|
|
elif UpperBound is not None and LowerBound is not None: |
|
28
|
|
|
return Rosenbrock(LowerBound, UpperBound) |
|
29
|
|
|
else: |
|
30
|
|
|
raise TypeError('Upper and Lower value must be defined!') |
|
31
|
|
|
elif benchmark == 'griewank': |
|
32
|
|
|
if UpperBound is None and LowerBound is None: |
|
33
|
|
|
return Griewank() |
|
34
|
|
|
elif UpperBound is not None and LowerBound is not None: |
|
35
|
|
|
return Griewank(LowerBound, UpperBound) |
|
36
|
|
|
else: |
|
37
|
|
|
raise TypeError('Upper and Lower value must be defined!') |
|
38
|
|
|
elif benchmark == 'sphere': |
|
39
|
|
|
if UpperBound is None and LowerBound is None: |
|
40
|
|
|
return Sphere() |
|
41
|
|
|
elif UpperBound is not None and LowerBound is not None: |
|
42
|
|
|
return Sphere(LowerBound, UpperBound) |
|
43
|
|
|
else: |
|
44
|
|
|
raise TypeError('Upper and Lower value must be defined!') |
|
45
|
|
|
elif benchmark == 'ackley': |
|
46
|
|
|
if UpperBound is None and LowerBound is None: |
|
47
|
|
|
return Ackley() |
|
48
|
|
|
elif UpperBound is not None and LowerBound is not None: |
|
49
|
|
|
return Ackley(LowerBound, UpperBound) |
|
50
|
|
|
else: |
|
51
|
|
|
raise TypeError('Upper and Lower value must be defined!') |
|
52
|
|
|
else: |
|
53
|
|
|
raise TypeError('Passed benchmark is not defined!') |
|
54
|
|
|
|
NiaOrg /
NiaPy
