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using GeneticSharp.Domain.Chromosomes;
namespace GeneticSharp.Domain.Fitnesses
{
/// <summary>
/// Defines an interface for fitness function.
/// <remarks>
/// A fitness function is a particular type of objective function that is used to summarize, as a single figure of merit, how close a given design solution is to achieving the set aims.
/// <see href="http://en.wikipedia.org/wiki/Fitness_function">Wikipedia</see>
/// </remarks>
/// </summary>
public interface IFitness
{
/// <summary>
/// Performs the evaluation against the specified chromosome.
/// </summary>
/// <param name="chromosome">The chromosome to be evaluated.</param>
/// <returns>The fitness of the chromosome.</returns>
double Evaluate(IChromosome chromosome);
}
}