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- Listing 5
-
- class rational
- {
- public:
- rational() : num(0), denom(1) { }
- ...
- long rational::numerator() { return num; }
- long rational::denominator() { return denom; }
- private:
- long num, denom;
- void simplify();
- };
-
- ...
-
- ostream &operator<<(ostream &os, rational r)
- {
- os << '(' << r.numerator() << '/'
- << r.denominator() << ')';
- }
-
-