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