private void CountCostForAllIndividuals()
{
for (int i = 0; i < POPULATION_SIZE; i++)
{
individuals.ElementAt(i).Cost = CostCounter.CountCost(individuals.ElementAt(i).Permutation);
}
}
private void CreateNewIndividuals(int pivot)
{
int halfPopulation = POPULATION_SIZE / 2;
for (int i = 0; i < halfPopulation; i += 2)
{
int randomNumber = random.Next(MAX_PROBABILITY);
if (HYBRIDIZATION_PROBABILITY > randomNumber)
{
CreateNewPairIndividuals(pivot, individuals.ElementAt(i), individuals.ElementAt(i + 1));
}
#region Recount cost for changed permutation
individuals.ElementAt(i).Cost = CostCounter.CountCost(individuals.ElementAt(i).Permutation);
individuals.ElementAt(i + 1).Cost = CostCounter.CountCost(individuals.ElementAt(i + 1).Permutation);
#endregion
}
}
private void DoMutation()
{
for (int i = 0; i < POPULATION_SIZE; i++)
{
Individual tmp = individuals.ElementAt(i);
for (int j = 0; j < Dimension; j++)
{
int randomNumber = random.Next(MAX_PROBABILITY);
if (MUTATION_PROBABILITY > randomNumber)
{
int randomIndex = random.Next(Dimension);
while (j == randomIndex)
{
randomIndex = random.Next(Dimension);
}
//MUTATE
Permutator.Swap(tmp.Permutation, j, randomIndex);
tmp.Cost = CostCounter.CountCost(tmp.Permutation);
}
}
}
}
