Kromosom.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

// from pastebin
namespace Kromo
{
    public class Kromosom:IComparable<Kromosom>
    {
        public List<double> Alele;
        private int chromosomeLength=11;

        // CM -- added RawFitness for reference (diagnostics)
        public double RawFitnes { get; set; }

        // CM -- a niche identifier for applying niche scaling
        public int Niche { get; set; }

        // CM - added Niche scaled version of the fitness, which is a penalized
        // version of the normalized fitness
        public double NicheScaledFitness { get; set; }

        // CM - Fitness result of calculation, currently 1/Raw Fitness
        public double ScaledFitness { get; set; }

        // CM - Normalized fitness value
        // Sum of this in a population equals 1.0
        public double NormalizedFitness { get; set; }

        public Kromosom(Random rand)
        {
            Alele = new List<double>();
            for (int i = 0; i < chromosomeLength; i++)
            {
                Alele.Add(rand.NextDouble() * 2000 - 1000);
            }
        }

        public Kromosom(Kromosom kromosom)
        {
            this.Alele = new List<double>();
            this.RawFitnes = kromosom.RawFitnes;
            this.ScaledFitness = kromosom.ScaledFitness;

            for (int i = 0; i < chromosomeLength; i++)
            {
                Alele.Add(kromosom.Alele[i]);
            }
        }

        public Kromosom(List<double> Alele)
        {
            this.Alele = new List<double>();

            for (int i = 0; i < Alele.Count; i++)
                this.Alele.Add(Alele[i]);
        }

        // For sorting, use "active_fitness" which returns, currently, the
        // niche scaled fitness
        public int CompareTo(Kromosom kromosom)
        {
            // CM - compare uses TempSelection which is the normalized fitness
            return NormalizedFitness.CompareTo(kromosom.NormalizedFitness);
        }

        // CM - added standard deviation calculation/comparison of content
        // for niching
        public double StdDev(Kromosom other) {
            double sum = 0.0f;
            for(int i=0; i<Alele.Count; i++) {
                double diff = other.Alele[i] - Alele[i];
                sum += diff*diff;
            }
            return Math.Sqrt(sum);
        }

        // CM --
        // utility for dumping to string (MonoDevelop doesn't like
        // ToString() in the debug windows for some reason it crashes)
        public string AsString() {

            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("raw; {0}; ", RawFitnes);
            sb.AppendFormat("scale; {0}; ", ScaledFitness);
            sb.AppendFormat("niche; {0}; nicheFit; {1}; ", Niche, NicheScaledFitness);
            sb.AppendFormat("norm; {0}; ", NormalizedFitness);
            sb.Append(" --- ");

            for(int i=0; i<Alele.Count; i++) {
                if(i>0) sb.Append(",");
                sb.AppendFormat("{0:0.000}", Alele[i] );
            }
            return sb.ToString();
        }
    }

}