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# encoding=utf8 |
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"""Implementation of benchmarks utility function.""" |
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from NiaPy import benchmarks |
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class Utility: |
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r"""Base class with string mappings to benchmarks. |
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Attributes: |
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classes (Dict[str, Benchmark]): Mapping from stings to benchmark. |
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""" |
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def __init__(self): |
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r"""Initialize benchmarks.""" |
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self.benchmark_classes = { |
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"ackley": benchmarks.Ackley, |
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"alpine1": benchmarks.Alpine1, |
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"alpine2": benchmarks.Alpine2, |
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"bentcigar": benchmarks.BentCigar, |
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"chungReynolds": benchmarks.ChungReynolds, |
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"cosinemixture": benchmarks.CosineMixture, |
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"csendes": benchmarks.Csendes, |
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"discus": benchmarks.Discus, |
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"dixonprice": benchmarks.DixonPrice, |
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"conditionedellptic": benchmarks.Elliptic, |
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"elliptic": benchmarks.Elliptic, |
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"expandedgriewankplusrosenbrock": benchmarks.ExpandedGriewankPlusRosenbrock, |
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"expandedschaffer": benchmarks.ExpandedSchaffer, |
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"griewank": benchmarks.Griewank, |
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"happyCat": benchmarks.HappyCat, |
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"hgbat": benchmarks.HGBat, |
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"infinity": benchmarks.Infinity, |
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"katsuura": benchmarks.Katsuura, |
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"levy": benchmarks.Levy, |
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"michalewicz": benchmarks.Michalewichz, |
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"modifiedscwefel": benchmarks.ModifiedSchwefel, |
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"perm": benchmarks.Perm, |
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"pinter": benchmarks.Pinter, |
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"powell": benchmarks.Powell, |
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"qing": benchmarks.Qing, |
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"quintic": benchmarks.Quintic, |
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"rastrigin": benchmarks.Rastrigin, |
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"ridge": benchmarks.Ridge, |
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"rosenbrock": benchmarks.Rosenbrock, |
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"salomon": benchmarks.Salomon, |
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"schaffer2": benchmarks.SchafferN2, |
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"schaffer4": benchmarks.SchafferN4, |
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"schumerSteiglitz": benchmarks.SchumerSteiglitz, |
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"schwefel": benchmarks.Schwefel, |
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"schwefel221": benchmarks.Schwefel221, |
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"schwefel222": benchmarks.Schwefel222, |
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"sphere": benchmarks.Sphere, |
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"sphere2": benchmarks.Sphere2, |
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"sphere3": benchmarks.Sphere3, |
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"step": benchmarks.Step, |
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"step2": benchmarks.Step2, |
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"step3": benchmarks.Step3, |
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"stepint": benchmarks.Stepint, |
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"styblinskiTang": benchmarks.StyblinskiTang, |
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"sumSquares": benchmarks.SumSquares, |
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"trid": benchmarks.Trid, |
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"weierstrass": benchmarks.Weierstrass, |
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"whitley": benchmarks.Whitley, |
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"zakharov": benchmarks.Zakharov |
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} |
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self.algorithm_classes = {} |
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def get_benchmark(self, benchmark): |
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r"""Get the optimization problem. |
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Arguments: |
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benchmark (Union[str, Benchmark]): String or class that represents the optimization problem. |
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Returns: |
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Benchmark: Optimization function with limits. |
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""" |
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if issubclass(type(benchmark), benchmarks.Benchmark) or isinstance(benchmark, benchmarks.Benchmark): |
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return benchmark |
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elif benchmark in self.benchmark_classes.keys(): |
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return self.benchmark_classes[benchmark]() |
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else: |
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raise TypeError("Passed benchmark is not defined!") |
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@classmethod |
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def __raiseLowerAndUpperNotDefined(cls): |
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r"""Trow exception if lower and upper bounds are not defined in benchmark. |
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Raises: |
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TypeError: Type error. |
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""" |
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raise TypeError("Upper and Lower value must be defined!") |
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NiaOrg /
NiaPy
