public override double GetValue()
{
double result = 0;
for (int i = 0; i < Arguments.Count; ++i)
{
FormulaItem item = Arguments[i];
double value = item.GetValue();
if (i == 0)
{
result = value;
continue;
}
bool flag = Flags[i];
if (flag)
{
result *= value;
}
else
{
result /= value;
}
}
return(result);
}
public override double GetValue()
{
FormulaItem value = Arguments.First();
double arg = value.GetValue();
double result = Math.Abs(arg);
return(result);
}
public override double GetValue()
{
FormulaItem baseItem = Arguments[0];
FormulaItem exponentItem = Arguments[1];
double baseValue = baseItem.GetValue();
double exponentValue = exponentItem.GetValue();
return(Math.Pow(baseValue, exponentValue));
}
private void onFormulaChanged(object sender, EventArgs e)
{
if (!checkBox1.Checked)
{
return;
}
try {
string pattern = textBox1.Text;
FormulaItem formula = _builder.Create(pattern);
double value = formula.GetValue();
textBox2.Text = value.ToString();
_element = _converter.Convert(formula);
updateTree(formula);
panel1.Invalidate();
} catch (Exception exc) {
textBox2.Text = "[ERROR]";
_element = null;
}
}
