// // Created by 14727 on 2022/12/7. // #ifndef C2C4_RANGE_H #define C2C4_RANGE_H #include "real.h" class Range { public: real a; real b; Range(real _a, real _b); Range() = default; Range operator+(const Range &r2) const; Range operator-(const Range &r2) const; Range operator*(const Range &r2) const; bool hasZero() const; }; #endif // C2C4_RANGE_H