/// <summary>
/// Calculates integral with given inputs.
/// </summary>
private async void ExecuteCalculateCommand(object parameter)
{
_isCalculating = true;
CalculateCommand.RaiseCanExecuteChanged();
// Compiles formula expression and gets function pointer on formula.
var cr = await _compiler.Compile(Formula).ConfigureAwait(false);
if (cr.Errors.Count == 0)
{
// f is function pointer.
var f = _compiler.GetLambda(cr);
Result = await _calculator.Integrate(f, From, To, N);
}
Application.Current.Dispatcher.Invoke(() =>
{
// Enables "Calculate" button.
_isCalculating = false;
CalculateCommand.RaiseCanExecuteChanged();
});
}
