internal static bool FuncCheck(double lb, double rb, double step, double coefA, double coefC)
{
DialogResult DR = new DialogResult();
int errCounter = 0;
for (double i = lb; i <= rb; i += step)
{
double x = i;
double y = GetValues.GetY(x, coefA, coefC);
if (Double.IsNaN(y))
{
errCounter++;
}
}
if (errCounter != 0)
{
DR = MessageBox.Show("При таких значениях часть функции под корнем отрицательно. Не будет отображено точек: " + errCounter
+ ". Продолжить?", "Внимание!", MessageBoxButtons.OKCancel);
if (DR == DialogResult.Cancel)
{
return(false);
}
}
return(true);
}
private void build_button_MouseClick(object sender, MouseEventArgs e)
{
dataTable.Rows.Clear();
Configurate.ChangeBG();
CassiniChart.Series[0].Points.Clear();
CassiniChart.Series[1].Points.Clear();
double.TryParse(leftBorder_tb.Text, out double lb);
double.TryParse(rightBorder_tb.Text, out double rb);
double.TryParse(step_tb.Text, out double step);
double.TryParse(coefA_tb.Text, out double a);
double.TryParse(coefC_tb.Text, out double c);
double x;
double y;
if (AllTests.GoodToGo(lb, rb, step) && AllTests.FuncCheck(lb, rb, step, a, c))
{
int size = Convert.ToInt32(Math.Abs((rb - lb) / step + 1));
double[] arrOfY = new double[size * 2];
int indexCounter = 0;
for (double i = lb; i <= rb; i += step)
{
x = i;
y = GetValues.GetY(x, a, c);
CassiniChart.Series[0].Points.AddXY(x, y);
CassiniChart.Series[1].Points.AddXY(x, -y);
arrOfY[indexCounter] = y;
indexCounter++;
arrOfY[indexCounter] = -y;
indexCounter++;
if (!Double.IsNaN(y))
{
// округление до 4 знаков после запятой и запись в dataGridView
dataTable.Rows.Add(x, Configurate.ToFixed(y, (uint)DecimalPlaces.ForY));
dataTable.Rows.Add(x, -Configurate.ToFixed(y, (uint)DecimalPlaces.ForY));
}
}
CassiniChart.Hide();
if (AllTests.ValuesFit(arrOfY, lb, rb))
{
CassiniChart.Show();
}
ConfigurateChart(lb, rb, arrOfY);
}
}