public void ManyIndividuals_AllocatesParetoFrontToAll()
{
var rng = new System.Random();
var shouldMinimise = new[] { true, true, true };
var inds = new List <Individual>();
for (var i = 0; i < 200; i++)
{
inds.Add(ObjectCreators.GetIndividual(new[] { rng.NextDouble(), rng.NextDouble(), rng.NextDouble() }));
}
foreach (var ind in inds)
{
ind.SendForEvaluation();
ind.SetProperty("sol1", ind.DecisionVector[0]);
ind.SetProperty("sol2", ind.DecisionVector[1]);
ind.SetProperty("sol3", ind.DecisionVector[2]);
ind.SetSolution("sol1", "sol2", "sol3");
}
var sorter = new FastNonDominatedSort();
sorter.PerformSort(inds, shouldMinimise);
Assert.True(inds.All(i => i.GetProperty <int>(OptimiserPropertyNames.ParetoFront) > 0));
}
public void PerformSort_GetsParetoFrontsCorrect()
{
var sorter = new FastNonDominatedSort();
sorter.PerformSort(individuals, minimise);
Assert.True(individuals.ElementAt(0)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 1);
Assert.True(individuals.ElementAt(1)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 2);
Assert.True(individuals.ElementAt(2)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 1);
Assert.True(individuals.ElementAt(3)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 2);
Assert.True(individuals.ElementAt(4)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 1);
Assert.True(individuals.ElementAt(5)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 3);
Assert.True(individuals.ElementAt(6)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 2);
Assert.True(individuals.ElementAt(7)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 1);
Assert.True(individuals.ElementAt(8)
.GetProperty <int>(OptimiserPropertyNames.ParetoFront) == 3);
}