public void IterateTest()
{
this.MockedSolution.Setup(s => s.BetterThan(this.CopySolution.Object)).Returns(true);
this.MockedSolution.Setup(s => s.Copy()).Returns(this.MockedSolution.Object);
this.Particle.CurrentSolution = this.MockedSolution.Object;
SpeedParameters speedParams = new SpeedParameters();
}
public override void UpdateSpeeds(SpeedParameters parameters)
{
for (int index = 0; index < this.CurrentSolution.Parameters.Count; index++)
{
Double newSpeed = this.Speeds[index];
newSpeed = newSpeed + this._CalculateInfluence(this.CurrentSolution.Parameters[index], parameters.PersonalBestSolution[index], parameters.PersonalBestBias, parameters.RandomListPersonal[index]);
newSpeed = newSpeed + this._CalculateInfluence(this.CurrentSolution.Parameters[index], parameters.GlobalBestSolution[index], parameters.GlobalBestBias, parameters.RandomListGlobal[index]);
this.Speeds[index] = newSpeed;
}
}
public override void createSpeedParameters()
{
foreach (IParticle particle in this.Particles)
{
SpeedParameters speedParams = new SpeedParameters();
speedParams.GlobalBestBias = this.GlobalBestBias;
speedParams.PersonalBestBias = this.PersonalBestBias;
speedParams.GlobalBestSolution = new Double[particle.PersonalBestSolution.Parameters.Count];
this.GlobalBestSolution.Parameters.CopyTo(speedParams.GlobalBestSolution);
speedParams.PersonalBestSolution = new Double[particle.PersonalBestSolution.Parameters.Count];
particle.PersonalBestSolution.Parameters.CopyTo(speedParams.PersonalBestSolution);
speedParams.RandomListGlobal = new List<double>(particle.Speeds.Count);
speedParams.RandomListPersonal = new List<double>(particle.Speeds.Count);
for (int i = 0; i < particle.Speeds.Count; i++)
{
speedParams.RandomListGlobal.Add(this.RandomGenerator.NextDouble());
speedParams.RandomListPersonal.Add(this.RandomGenerator.NextDouble());
}
particle.SetSpeedParameters(speedParams);
}
}
public override void SetSpeedParameters(SpeedParameters parameters)
{
this._SpeedParameters = parameters;
}
public void PrepareClassicParticleTests()
{
var mockedSolution = new Mock<ISolution>();
mockedSolution.Name = "original";
var copySolution = new Mock<ISolution>();
copySolution.Name = "copy";
mockedSolution.Setup(s => s.Fitness).Returns(1.0);
copySolution.Setup(s => s.Fitness).Returns(2.0);
mockedSolution.Setup(s => s.Copy()).Returns(copySolution.Object);
mockedSolution.Setup(s => s.Parameters).Returns(new List<Double>(new Double[3] { 2.0, 3.0, 4.0 }));
this.MockedSolution = mockedSolution;
this.CopySolution = copySolution;
this.Speeds = new List<Double>(new Double[3] { 1.0, 1.0, 1.0 });
ClassicParticleCreationParameters creationParams = new ClassicParticleCreationParameters();
creationParams.Speeds = this.Speeds;
creationParams.Solution = mockedSolution.Object;
this.Particle = new ClassicParticle(creationParams);
SpeedParameters speedParams = new SpeedParameters();
speedParams.GlobalBestBias = 2.0;
speedParams.PersonalBestBias = 4.0;
speedParams.PersonalBestSolution = new Double[3] { 3.0, 4.0, 5.0 };
speedParams.GlobalBestSolution = new Double[3] { 3.0, 4.0, 5.0 };
speedParams.RandomListGlobal = new List<Double>(new Double[3] { 1.0, 1.0, 1.0 });
speedParams.RandomListPersonal = new List<Double>(new Double[3] { 1.0, 1.0, 1.0 });
this.Particle.SetSpeedParameters(speedParams);
}
public override void UpdateSpeeds(SpeedParameters parameters)
{
Double currentInertia = this.CalculateInertia();
for (int i = 0; i < this.Speeds.Count; i++)
{
this.Speeds[i] = this.Speeds[i] * currentInertia;
}
base.UpdateSpeeds(parameters);
}
public override void SetSpeedParameters(SpeedParameters parameters)
{
base.SetSpeedParameters(parameters);
}
public override void SetSpeedParameters(SpeedParameters parameters)
{
int removed = this.RandomGenerator.Next(this.ConnectedIds.Count - 3);
removed = removed + 2;
this.UpdateConnectedParticles(removed);
this.CreateConnectedParticlesParameters();
base.SetSpeedParameters(parameters);
}
public new void UpdateSpeeds(SpeedParameters parameters)
{
Double currentInertia = this.CalculateInertia();
for (int index = 0; index < this.CurrentSolution.Parameters.Count; index++)
{
Double newSpeed = this.Speeds[index];
newSpeed = newSpeed * currentInertia;
foreach(List<Double> connectedParameters in this.ConnectedParticlesParameters)
{
newSpeed = newSpeed + this._CalculateInfluence(this.CurrentSolution.Parameters[index], connectedParameters[index], parameters.PersonalBestBias/(double)this.ConnectedIds.Count, parameters.RandomListPersonal[index]);
}
this.Speeds[index] = newSpeed;
}
}
public abstract void UpdateSpeeds(SpeedParameters parameters);
public abstract void SetSpeedParameters(SpeedParameters parameters);
public void UpdateSpeedsFrankensteinTest()
{
SpeedParameters testSpeedParameters= new SpeedParameters();
testSpeedParameters.RandomListPersonal = new List<double>(new Double[3] { 1.0, 1.0, 1.0 });
testSpeedParameters.PersonalBestBias = 1.0;
this.Particle.Speeds = new List<double>(new Double[3] { 0.0, 0.0, 0.0 });
this.Particle.SetSpeedParameters(testSpeedParameters);
this.Particle.FinalTopologyUpdate = 4;
for (int i = 0; i < 4; i++)
{
this.Particle.UpdateSpeeds(this.Particle.SpeedParameters);
foreach(double speed in this.Particle.Speeds)
{
Assert.AreEqual(Math.Round(1.0 - (1.0 / (7.0 - i)), 12), Math.Round(speed,12));
}
this.Particle.UpdateConnectedParticles(2);
this.Particle.CreateConnectedParticlesParameters();
this.Particle.Speeds = new List<double>(new Double[3] { 0.0, 0.0, 0.0 });
}
}