Method fitness

pattern/vector/__init__.py:2447–2450

Must be implemented in a subclass, returns 0.0-1.0.

(self, candidate)

                setattr(self, f, kwargs[f])
    
    def fitness(self, candidate):
        """ Must be implemented in a subclass, returns 0.0-1.0.
        """
        return 1.0
    
    def crossover(self, candidate1, candidate2, d=0.5):
        """ Must be implemented in a subclass, returns a new candidate.