July 2000
Intermediate to advanced
1280 pages
34h 55m
English
Content preview from Core C++ A Software Engineering Approach
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Case Study: Rational Numbers
In this section, I will discuss another popular example of operator function overloading: a class that encapsulates the implementation of rational numbers (exact fractions) and implements arithmetic operations and comparisons that are supported for integers.
Rational numbers can be represented as two components, the numerator and denominator. They allow the use of operations over fractions without rounding errors, e.g., 1/4 + 3/2 = 14/8 = 7/4.
In the class implementation, the numerator and denominator should be private data members. If the application might be ported to a 16-bit machine, the data members should be of type long. If it will run on 32-bit machines only, data members can be either int or long—on 32-bit ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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