private void CoefValueChanged(object sender, EventArgs e)
{
var textEdit = sender as TextEdit;
if (textEdit == null || !RealNumber.IsSuitable(textEdit.Text))
{
return;
}
switch (textEdit.Name)
{
case "aCoefTextEdit":
_polynom.A = new RealNumber(textEdit.EditValue);
break;
case "bCoefTextEdit":
_polynom.B = new RealNumber(textEdit.EditValue);
break;
case "cCoefTextEdit":
_polynom.C = new RealNumber(textEdit.EditValue);
break;
}
RefreshRoots();
RefreshPolynomValue();
}
private void RefreshPolynomValue()
{
var x = xValueTextEdit.Text;
if (!RealNumber.IsSuitable(x))
{
return;
}
var value = _polynom.GetValue(new RealNumber(x));
polynomValueTextEdit.Text = double.IsNaN(value.Value) ? "" : value.Value.ToString();
}