public DecimalResult(DecimalProblem problem, DecimalEngine engine)
{
_engine = engine;
Problem = problem;
IsCorrect = _engine.Evaluate(Problem);
}
public int GetExpectedDecimalPlacesInAnswer()
{
int places = DecimalPlacesInNumber;
if (ProblemOperation == Operation.Multiply)
{
places = DecimalPlacesInNumber - DecimalEngine.GetDecimalIndexFromDecimalOperatorEnum(OperatorIndex);
}
else
{
places = DecimalPlacesInNumber + DecimalEngine.GetDecimalIndexFromDecimalOperatorEnum(OperatorIndex);
}
return((places < 0) ? 0 : places);
}
