private void BtnStart_Click(object sender, RoutedEventArgs e)
{
Random Rnd = new Random();
if (!started)
{
Counter = 0;
Coprimes = 0;
PieGraph.DataSeries.Clear();
PieGraph.LegendPosition = Graphs.GraphData.LegendPosition.Top;
PiCalc1 = new Graphs.ScatterSeries(0);
PiCalc1.SeriesName = "Pie Estimate";
PiCalc1.LineColor = Brushes.Red;
PiCalc1.MarkerType = Graphs.GraphData.MarkerType.None;
PiValue = new Graphs.ScatterSeries(1);
PiValue.SeriesName = "Pie Value";
PiValue.LineColor = Brushes.Blue;
PiValue.MarkerType = Graphs.GraphData.MarkerType.None;
PieGraph.DataSeries.Add(PiCalc1);
PieGraph.DataSeries.Add(PiValue);
PieGraph.YAxis.Minimum = 3.12;
PieGraph.YAxis.Maximum = 3.16;
PieGraph.XAxis.Minimum = 0;
PieGraph.XAxis.Maximum = 500;
PieGraph.XAxis.FixedMaximum = true;
BtnStart.Content = "STOP";
started = true;
}
else
{
BtnStart.Content = "START";
started = false;
}
while (started)
{
N1 = Rnd.Next(MaxN);
N2 = Rnd.Next(MaxN);
if (N1 > 0 & N2 > 0)
{
Counter += 1;
if (GGD(N1, N2) == 1)
{
Coprimes += 1;
}
if (Coprimes > 0)
{
if (Counter % 1000 == 0)
{
CalculatedPi = Math.Sqrt(6 * Counter / Coprimes);
PiCalc1.AddDataPoint(new Point(Counter / 1000, CalculatedPi));
PiValue.AddDataPoint(new Point(Counter / 1000, Math.PI));
Dispatcher.Invoke(Redraw, DispatcherPriority.ApplicationIdle);
}
if (Counter > 500000)
{
PieGraph.XAxis.FixedMaximum = false;
}
if (Counter > 3000000)
{
PiCalc1.DataList.RemoveAt(0);
PiValue.DataList.RemoveAt(0);
continue;
}
}
}
}
}
private void BtnStart_Click(object sender, RoutedEventArgs e)
{
bool Add = true;
if (!started)
{
number = 1;
CalculatedPie = 0.0;
CalculatedE = 1.0;
PieGraph.DataSeries.Clear();
PieGraph.LegendPosition = Graphs.GraphData.LegendPosition.Top;
eGraph.DataSeries.Clear();
eGraph.LegendPosition = Graphs.GraphData.LegendPosition.Top;
PiCalc = new Graphs.ScatterSeries(0);
PiCalc.SeriesName = "Pie Estimate";
PiCalc.LineColor = Brushes.Red;
PiCalc.MarkerType = Graphs.GraphData.MarkerType.None;
PiValue = new Graphs.ScatterSeries(1);
PiValue.SeriesName = "Pie Value";
PiValue.LineColor = Brushes.Blue;
PiValue.MarkerType = Graphs.GraphData.MarkerType.None;
ECalc = new Graphs.ScatterSeries(2);
ECalc.SeriesName = "e Estimate";
ECalc.LineColor = Brushes.Purple;
ECalc.MarkerType = Graphs.GraphData.MarkerType.None;
EValue = new Graphs.ScatterSeries(3);
EValue.SeriesName = "e Value";
EValue.LineColor = Brushes.Green;
EValue.MarkerType = Graphs.GraphData.MarkerType.None;
PieGraph.DataSeries.Add(PiValue);
PieGraph.DataSeries.Add(PiCalc);
eGraph.DataSeries.Add(EValue);
eGraph.DataSeries.Add(ECalc);
BtnStart.Content = "STOP";
started = true;
}
else
{
BtnStart.Content = "START";
started = false;
if (PieGraph.DataSeries[1].DataList.Count >= 10)
{
double averagePi = 0;
Point[] estimates = PieGraph.DataSeries[1].DataList.ToArray();
for (int I = 0; I < 10; I++)
{
averagePi += estimates[estimates.Length - I - 1].Y;
}
averagePi /= 10;
TxtEstimate.Text = averagePi.ToString();
}
}
while (started)
{
if (Add)
{
CalculatedPie += 1.0 / number;
}
else
{
CalculatedPie -= 1.0 / number;
}
CalculatedE = 1.0;
for (int I = 1; I <= number; I++)
{
CalculatedE *= (1.0 + 1.0 / number);
}
Add = !Add;
PiCalc.AddDataPoint(new Point(number, 4.0 * CalculatedPie));
ECalc.AddDataPoint(new Point(number, CalculatedE));
PiValue.AddDataPoint(new Point(number, Math.PI));
EValue.AddDataPoint(new Point(number, Math.E));
Dispatcher.Invoke(Redraw, DispatcherPriority.ApplicationIdle);
number += 2;
if (number > 2000)
{
BtnStart.Content = "START";
started = false;
continue;
}
}
}
