private void buttonCalculate_Click(object sender, EventArgs e)
{
if (double.TryParse(textBoxA.Text, out double a) && double.TryParse(textBoxB.Text, out a) &&
double.Parse(textBoxA.Text) < double.Parse(textBoxB.Text) && comboBoxMethods.SelectedIndex > -1)
{
List <string> sections = listBox1.Items.Cast <string>().ToList();
List <double> times = new List <double>();
List <double> parallelTimes = null;
if (checkBoxParallelMode.Checked)
{
parallelTimes = new List <double>();
}
Method currentMethod = (Method)comboBoxMethods.SelectedIndex;
Integral currentIntegral = this.GetInstance(currentMethod);
currentIntegral.StartValue = int.Parse(textBoxA.Text);
currentIntegral.EndValue = int.Parse(textBoxB.Text);
if (checkBoxLambda.Checked)
{
currentIntegral.Integrand = (x) => { return(2 * x - Math.Log(2 * x) + 234); };
}
else
{
currentIntegral.Integrand = this.GetIntegrandValue;
}
double result = 0.0;
Stopwatch stopwatch = new Stopwatch();
foreach (string section in sections)
{
currentIntegral.Steps = Convert.ToInt32(section);
stopwatch.Reset();
stopwatch.Start();
result = currentIntegral.Calculate();
stopwatch.Stop();
times.Add(stopwatch.ElapsedMilliseconds / 1000.0);
if (checkBoxParallelMode.Checked)
{
stopwatch.Reset();
stopwatch.Start();
currentIntegral.CalculateAsync();
stopwatch.Stop();
parallelTimes.Add(stopwatch.ElapsedMilliseconds / 1000.0);
}
}
labelResult.Text = $"Результат: {result.ToString()}";
this.chartResult.Series.Clear();
this.chartResult.Titles.Clear();
this.chartResult.Titles.Add("Зависимость времени выполнения от количества разбиений.");
Series series = this.chartResult.Series.Add("Время выполнения");
series.ChartType = SeriesChartType.Line;
for (int i = 0; i < times.Count; i++)
{
series.Points.AddXY(sections[i], times[i]);
}
if (checkBoxParallelMode.Checked)
{
Series parallelSeries = this.chartResult.Series.Add("Параллельный вариант");
parallelSeries.ChartType = SeriesChartType.Line;
for (int i = 0; i < parallelTimes.Count; i++)
{
parallelSeries.Points.AddXY(sections[i], parallelTimes[i]);
}
}
}
else
{
MessageBox.Show("Параметры A и B заданы не корректно!");
}
}
private void buttonCalculate_Click(object sender, EventArgs e)
{
if (double.TryParse(textBoxA.Text, out double a) && double.TryParse(textBoxB.Text, out a) &&
double.Parse(textBoxA.Text) < double.Parse(textBoxB.Text) && comboBoxMethods.SelectedIndex > -1)
{
List <string> sections = listBox1.Items.Cast <string>().ToList();
List <double> times = new List <double>();
List <double> parallelTimes = null;
if (checkBoxParallelMode.Checked)
{
parallelTimes = new List <double>();
}
CalculationType currentMethod;
switch (comboBoxMethods.SelectedIndex)
{
case 0: currentMethod = CalculationType.AverageRectangle; break;
case 1: currentMethod = CalculationType.Trapezium; break;
case 2: currentMethod = CalculationType.Simpson; break;
default: MessageBox.Show("Метод не был выбран!"); return;
}
IntegralInputParameters inputParameters = new IntegralInputParameters
{
IntegrandExpression = textBoxFunction.Text,
StartValue = int.Parse(textBoxA.Text),
EndValue = int.Parse(textBoxB.Text),
ParameterName = "x"
};
Integral currentIntegral = Integral.GetIntegral(currentMethod, inputParameters);
double result = 0.0;
Stopwatch stopwatch = new Stopwatch();
foreach (string section in sections)
{
currentIntegral.IterationsNumber = Convert.ToInt32(section);
stopwatch.Reset();
stopwatch.Start();
result = currentIntegral.Calculate();
stopwatch.Stop();
times.Add(stopwatch.ElapsedMilliseconds / 1000.0);
if (checkBoxParallelMode.Checked)
{
stopwatch.Reset();
stopwatch.Start();
currentIntegral.CalculateAsync();
stopwatch.Stop();
parallelTimes.Add(stopwatch.ElapsedMilliseconds / 1000.0);
}
}
labelResult.Text = $"Результат: {result.ToString()}";
this.chartResult.Series.Clear();
this.chartResult.Titles.Clear();
this.chartResult.Titles.Add("Зависимость времени выполнения от количества разбиений.");
Series series = this.chartResult.Series.Add("Время выполнения");
series.ChartType = SeriesChartType.Line;
for (int i = 0; i < times.Count; i++)
{
series.Points.AddXY(sections[i], times[i]);
}
if (checkBoxParallelMode.Checked)
{
Series parallelSeries = this.chartResult.Series.Add("Параллельный вариант");
parallelSeries.ChartType = SeriesChartType.Line;
for (int i = 0; i < parallelTimes.Count; i++)
{
parallelSeries.Points.AddXY(sections[i], parallelTimes[i]);
}
}
}
else
{
MessageBox.Show("Параметры A и B заданы не корректно!");
}
}