/// <summary>
/// Fitness function to evaluate the current genetic algorithm. We decode the weights, run the resulting program, and score the output.
/// </summary>
/// <param name="weights">Array of double (genes), where each value cooresponds to a Brainfuck program command.</param>
/// <returns>double, indicating the score</returns>
private static double fitnessFunction(double[] weights)
{
// Get the selected fitness type.
IFitness myFitness = GetFitnessMethod();
// Get the fitness score.
double fitness = myFitness.GetFitness(weights);
// Is this a new best fitness?
if (fitness > _bestStatus.Fitness)
{
_bestStatus.Fitness = fitness;
_bestStatus.TrueFitness = myFitness.Fitness;
_bestStatus.Output = myFitness.Output;
_bestStatus.LastChangeDate = DateTime.Now;
_bestStatus.Program = myFitness.Program;
_bestStatus.Ticks = myFitness.Ticks;
}
return(fitness);
}
public override Int32 CompareTo([NotNull] IFitness <Double> other) => Fitness.CompareTo(other.GetFitness());