Representing Even Larger Numbers
Variables of type
double could be used to calculate factorials of larger numbers. This points to a weakness in many programming languages, namely, that the languages are not easily extended to handle the unique requirements of various applications. As we’ll see when we discuss object-oriented programming in more depth, C++ is an extensible language that allows us to create classes that can represent arbitrarily large integers if we wish. Such classes already are available in popular class libraries.