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/* File : example.h */
#include <math.h>
class Complex {
private:
double rpart, ipart;
public:
Complex(double r = 0, double i = 0) : rpart(r), ipart(i) { }
Complex(const Complex &c) : rpart(c.rpart), ipart(c.ipart) { }
Complex &operator=(const Complex &c) {
rpart = c.rpart;
ipart = c.ipart;
return *this;
}
Complex operator+(const Complex &c) const {
return Complex(rpart+c.rpart, ipart+c.ipart);
}
Complex operator-(const Complex &c) const {
return Complex(rpart-c.rpart, ipart-c.ipart);
}
Complex operator*(const Complex &c) const {
return Complex(rpart*c.rpart - ipart*c.ipart,
rpart*c.ipart + c.rpart*ipart);
}
Complex operator-() const {
return Complex(-rpart, -ipart);
}
double re() const { return rpart; }
double im() const { return ipart; }
};
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