RationalNumber operator * (const RationalNumber& B) const
{
if (!isFraction() || !B.isFraction())
{
return RationalNumber(getRealNumber() * B.getRealNumber());
}
return RationalNumber(numerator * B.numerator, denominator * B.denominator);
}
RationalNumber operator / (const RationalNumber& B) const throw(std::domain_error)
{
if (!isFraction() || !B.isFraction())
{
return RationalNumber(getRealNumber() / B.getRealNumber());
}
if (B.numerator == 0)
{
throw std::domain_error("Division by zero!");
}
return RationalNumber(numerator * B.denominator, denominator * B.numerator);
}
