private void ShowTable(object sender, RoutedEventArgs e)
{
double _a = Math.Abs(A);
double left_border = -_a;
double right_border = _a;
if (db_left_border.Value.HasValue && db_right_border.Value.HasValue)
{
left_border = db_left_border.Value.Value;
right_border = db_right_border.Value.Value;
if (left_border < -_a)
{
left_border = -_a;
}
if (right_border > _a)
{
right_border = _a;
}
}
List <TableValue> table = new List <TableValue>();
double step = db_step.Value.Value;
for (double x = left_border; x <= right_border; x += step)
{
TableValue row = new TableValue();
row.X = Math.Round(x, 2);
row.Y = Math.Round(MainVM.GetFunc(x, _a), 2);
table.Add(row);
}
TableValueWindow Table = new TableValueWindow(table);
Table.Show();
}
private void SettingsValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
if (db_left_border == null || db_right_border == null || l_error == null)
{
return;
}
List <Point> points_p = new List <Point>();
List <Point> points_n = new List <Point>();
double _a = Math.Abs(A / 0.3);
double left_border = -_a;
double right_border = _a;
if (db_left_border.Value.HasValue && db_right_border.Value.HasValue)
{
left_border = db_left_border.Value.Value / 0.3;
right_border = db_right_border.Value.Value / 0.3;
if (left_border < -_a)
{
left_border = -_a;
}
if (right_border > _a)
{
right_border = _a;
}
if (right_border < left_border)
{
if (((System.Windows.Controls.Slider)sender) == sl_left_border)
{
db_right_border.Value = db_left_border.Value;
}
else
{
db_left_border.Value = db_right_border.Value;
}
l_error.Content = "Невозможно построить график";
}
else if (right_border == 0 && left_border == 0 || Math.Abs(db_left_border.Value.Value) == Math.Abs(A) && Math.Abs(db_right_border.Value.Value) == Math.Abs(A))
{
l_error.Content = "График выраждаеться в точку";
}
else
{
l_error.Content = string.Empty;
}
}
for (double x = left_border; x <= left_border + 0.001; x += 0.0001)
{
double y = MainVM.GetFunc(x, _a);
if (!double.IsNaN(y))
{
points_p.Add(new Point(x, -y));
points_n.Add(new Point(x, y));
}
}
for (double x = left_border + 0.01; x < right_border - 0.01; x += 0.1)
{
double y = MainVM.GetFunc(x, _a);
if (!double.IsNaN(y))
{
points_p.Add(new Point(x, -y));
points_n.Add(new Point(x, y));
}
}
for (double x = right_border - 0.001; x <= right_border; x += 0.0001)
{
double y = MainVM.GetFunc(x, _a);
if (!double.IsNaN(y))
{
points_p.Add(new Point(x, -y));
points_n.Add(new Point(x, y));
}
}
PointsPositive = new ObservableCollection <Point>(points_p);
PointsNegative = new ObservableCollection <Point>(points_n);
}
