public static void Mix <G>(GeneticAlgorithm <G> alg)
where G : ArrayChromosome
{
alg.PerformCrossover = delegate(G g1, G g2)
{
var g = alg.CreateEmptyChromosome();
g.CheckLength(g1, g2);
g.SetObjectCode(i => alg.Rnd.RandomBool() ? g1.ObjectCode.GetValue(i) : g2.ObjectCode.GetValue(i));
return(g);
};
}
public static void ByElement <G, T>(GeneticAlgorithm <G> alg, Func <Random, T> elementGenerator)
where G : ArrayChromosome <T>
where T : IEquatable <T>
{
alg.PerformAppearence = delegate
{
var g = alg.CreateEmptyChromosome();
g.SetCode(z => elementGenerator(alg.Rnd));
return(g);
};
}
public static void Exchange <G>(GeneticAlgorithm <G> a)
where G : ArrayChromosome
{
a.PerformCrossover = delegate(G g1, G g2)
{
var g = a.CreateEmptyChromosome();
g.CheckLength(g1, g2);
var position = a.Rnd.RandomInt(g.ObjectCode.Length);
g.SetObjectCode(i => i < position ? g1.ObjectCode.GetValue(i) : g2.ObjectCode.GetValue(i));
return(g);
};
}
public static void ByElement <G, T>(GeneticAlgorithm <G> alg, Func <Random, T, T> elementMutation)
where G : ArrayChromosome <T>
where T : IEquatable <T>
{
alg.PerformMutation = delegate(G source)
{
var g = alg.CreateEmptyChromosome();
g.CheckLength(source);
g.SetCode(p => source.Code[p]);
var position = alg.Rnd.RandomInt(g.Code.Length);
g.Code[position] = elementMutation(alg.Rnd, g.Code[position]);
return(g);
};
}
public static void Permutation <G>(GeneticAlgorithm <G> a)
where G : ArrayChromosome <int>
{
a.PerformCrossover = delegate(G g1, G g2)
{
var g = a.CreateEmptyChromosome();
g.CheckLength(g1, g2);
for (int i = 0; i < g.Code.Length; i++)
{
g.Code[i] = g1.Code[g2.Code[i]];
}
return(g);
};
}
public static void SwitchElements <G, T>(GeneticAlgorithm <G> alg)
where G : ArrayChromosome <T>
where T : IEquatable <T>
{
alg.PerformMutation = delegate(G source)
{
var g = alg.CreateEmptyChromosome();
g.CheckLength(source);
g.SetCode(p => source.Code[p]);
var pos1 = alg.Rnd.RandomInt(g.Code.Length);
var pos2 = alg.Rnd.RandomInt(g.Code.Length);
var t = g.Code[pos1];
g.Code[pos1] = g.Code[pos2];
g.Code[pos2] = t;
return(g);
};
}
public static void Permutation <G>(GeneticAlgorithm <G> alg)
where G : ArrayChromosome <int>
{
alg.PerformAppearence = delegate
{
var g = alg.CreateEmptyChromosome();
var c = new bool[g.Code.Length];
for (var i = 0; i < g.Code.Length; i++)
{
var place = alg.Rnd.RandomInt(c.Length);
while (c[place])
{
place++;
if (place >= c.Length)
{
place -= c.Length;
}
}
g.Code[place] = i;
c[place] = true;
}
return(g);
};
}
