public void Nsga2Test()
{
Algorithm a = new Nsga2();
ServiceTestData td = ServiceTestData.getInstance();
Population p = new Population();
var asdf = td.getMockInitialPopulation(3);
p.SetGenom(td.getMockInitialPopulation(3));
ServiceTestFunctions tf = ServiceTestFunctions.GetInstance();
foreach (Individual i in p)
{
tf.EvaluateObjective(i);
}
a.SetPopulation(p);
a.Rank();
ServiceOutput so = ServiceOutput.GetInstance();
//foreach (Individual i in p)
//{
// so.Write(i.ToReadableFormat());
//}
Assert.AreEqual(td.GetPopulationCount(), asdf.Count);
a.ExecuteSelection();
foreach(Individual i in p)
{
so.Write(i.ToReadableFormat());
}
}
public void ConstructionTest()
{
ServiceTestData td = ServiceTestData.getInstance();
Population population = new Population();
population.SetGenom(td.getMockInitialPopulation());
Assert.AreEqual(td.GetPopulationCount(), population.getPopulationCount());
}
public void FastNonDominatedSortTest()
{
Nsga2 alg = new Nsga2();
Population pop = new Population();
List<TestData> list = new List<TestData>();
List<double> value = new List<double>();
list.Add(new TestData(value, 0));
}
public void MockDataTest()
{
ServiceTestData svd = ServiceTestData.getInstance();
Population p = new Population();
p.SetGenom(svd.getMockInitialPopulation());
Assert.AreEqual(svd.GetPopulationCount(), p.getPopulationCount());
ServiceTestFunctions tf = ServiceTestFunctions.GetInstance();
foreach(Individual i in p)
{
Assert.AreEqual(tf.GetDecisionVariablesCount(), i.DecisionVariables.Count);
}
}
/*
* Returns a new population, which is created by concatenating the two
* given parameters.
* */
public Population Concat(Population p2)
{
Population p3 = new Population();
foreach (Individual i in this)
{
p3.Add(i);
}
if (p2 != null) {
foreach (Individual i in p2)
{
p3.Add(i);
}
}
return p3;
}
public void PopulationTest()
{
Population pop = new Population();
Assert.AreEqual(0, pop.getPopulationCount());
ServiceTestData td = ServiceTestData.getInstance();
pop.SetGenom(td.getMockInitialPopulation(10));
Assert.AreEqual(td.GetPopulationCount(), pop.getPopulationCount());
Population pop2 = new Population();
pop2.SetGenom(td.getMockInitialPopulation());
Population pop3 = pop.Concat(pop2);
Assert.AreEqual(2 * td.GetPopulationCount(),
pop3.getPopulationCount());
}
public void GenerationTest()
{
ServiceTestData svd = ServiceTestData.getInstance();
Population p = new Population();
p.SetGenom(svd.getMockInitialPopulation());
p.NextGeneration();
p.ConcatenateTwoExistingPopulations();
Assert.AreEqual(2 * svd.GetPopulationCount(), p.getPopulationCount());
ServiceOutput so = ServiceOutput.GetInstance();
so.SetOutput(new OutputStd());
//
//so.SetOutput(new OutputFile())
so.Write(p.ToReadableFormat());
Console.WriteLine("asdf");
}
public void Rank()
{
ranking = new List<Population>();
ranking.Add(new Population());
foreach (Individual p in population)
{
p.DominatedBy = 0;
foreach (Individual q in population)
{
if (!p.Equals(q))
{
if (p.Dominates(q))
{
p.AddToDominatedSet(q);
}
else
{
if (q.Dominates(p))
{
p.DominatedBy++;
}
}
}
}
if(p.DominatedBy == 0)
{
ranking[0].Add(p);
}
}
int i = 0;
Population front = ranking[0];
// do until nextFront has elements
// else, there are no other fronts
while (front.getPopulationCount() > 0)
{
var nextFront = new Population();
foreach(Individual p in front)
{
foreach(Individual q in p.getDominatedSet())
{
q.DominatedBy--;
if(q.getDominatedSet().getPopulationCount() <= 0)
{
nextFront.Add(q);
q.Fitness = i + 1;
}
}
}
i++;
ranking.Add(nextFront);
front = ranking.Last();
}
//int i = 0;
//List<Solution> front = rankings.GetFront(i);
//while (front.Count > 0)
//{
// foreach (Solution p in front)
// {
// foreach (Solution q in p.DominatedSolutions)
// {
// q.DominationCount--;
// if (q.DominationCount == 0)
// {
// rankings.AddIndividual(i + 1, q);
// }
// }
// }
// i++;
// front = rankings.GetFront(i);
//}
// i hope this removes the empty (last) front
ranking.Remove(front);
}
public void SetPopulation(Population p)
{
this.population = p;
}
internal void Write(Population population)
{
Write(population.ToReadableFormat());
}
public void GenerateInitialPopulation(int populationCount)
{
population = new Population();
ServiceTestData td = ServiceTestData.getInstance();
population.SetGenom(td.getMockInitialPopulation(populationCount));
}
