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                """Implementation of benchmarks utility function."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from . import Rastrigin, Rosenbrock, Griewank, \  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Sphere, Ackley, Schwefel, Schwefel221, \  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Schwefel222, Whitley, Alpine1, Alpine2, HappyCat, \  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Ridge, ChungReynolds, Csendes, Pinter, Qing, Quintic, \  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    Salomon, SchumerSteiglitz, Step, Step2, Step3, Stepint, SumSquares, StyblinskiTang  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                __all__ = ['Utility']  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Utility(object):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def __init__(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self.classes = { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'ackley': Ackley,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'alpine1': Alpine1,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'alpine2': Alpine2,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'chungReynolds': ChungReynolds,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'csendes': Csendes,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'griewank': Griewank,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'happyCat': HappyCat,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'pinter': Pinter,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'quing': Qing,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'quintic': Quintic,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'rastrigin': Rastrigin,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'ridge': Ridge,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'rosenbrock': Rosenbrock,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'salomon': Salomon,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'schumerSteiglitz': SchumerSteiglitz,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'schwefel': Schwefel,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'schwefel221': Schwefel221,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'schwefel222': Schwefel222,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'sphere': Sphere,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'step': Step,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'step2': Step2,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'step3': Step3,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'stepint': Stepint,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'styblinskiTang': StyblinskiTang,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'sumSquares': SumSquares,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'whitley': Whitley  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    def get_benchmark(self, benchmark):  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if not isinstance(benchmark, ''.__class__):  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            return benchmark  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        else:  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            if benchmark in self.classes:  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                return self.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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                        raise TypeError('Upper and Lower value must be defined!') | 
            
            
                                                        
            
                                    
            
            
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