public void BackgroundThread()
{
if (_uniformMode)
{
while (!_requestStop)
{
ReportNumber(_rnd.NextDouble());
}
}
else
{
while (!_requestStop)
{
ReportNumber(_rnd.NextGaussian());
}
}
Action a = () =>
{
ButtonStart.IsEnabled = true;
ButtonStop.IsEnabled = false;
ComboDistribution.IsEnabled = true;
ComboGenerator.IsEnabled = true;
};
Dispatcher.BeginInvoke(a);
}
/// <summary>
/// Randomly move to a new location. To specify a new randomization function, override this method.
/// </summary>
/// <param name="memory">The long term memory.</param>
public void PerformRandomize(double[] memory)
{
for (var i = 0; i < memory.Length; i++)
{
var d = _rnd.NextGaussian() * 3;
memory[i] += d;
}
}
/// <summary>
/// Sample new parameters.
/// </summary>
private void SampleSolutions()
{
for (int i = _populationSize; i < _population.Length; i++)
{
int pdf = SelectPDF();
for (int j = 0; j < _paramCount; j++)
{
double sigma = ComputeSD(j, pdf);
double mu = _population[pdf].Params[j];
double d = (Random.NextGaussian() * sigma) + mu;
_population[i].Params[j] = d;
}
}
}