Bài 3. Số phức

// Baikiemtra3.cpp : This file contains the 'main' function. Program execution begins and ends there.//#include <iostream>#include <iomanip>using namespace std;class SOPHUC {private:	double Re, Im;public:	SOPHUC() {		this->Re = 0;		this->Im = 0;	}	SOPHUC(double Re, double Im) {		this->Re = Re;		this->Im = Im;	}	void INRA()	{		cout << Re << (Im >= 0 ? '+' : '-')			<< fabs(Im) << "i" << endl;	}	SOPHUC operator + (SOPHUC sp) {		return SOPHUC(this->Re + sp.Re, this->Im + sp.Im);	}	SOPHUC operator - (SOPHUC sp) {		return SOPHUC(this->Re - sp.Re, this->Im - sp.Im);	}	SOPHUC operator * (SOPHUC sp) {		return SOPHUC(this->Re * sp.Re - this->Im * sp.Im, this->Re * sp.Im + this->Im * sp.Re);			}	SOPHUC operator / (SOPHUC sp) {				return SOPHUC((sp.Re * this->Re + sp.Im * this->Im) / (sp.Re * sp.Re + sp.Im * sp.Im), (sp.Re * this->Im -  sp.Im * this->Re) / (sp.Re * sp.Re + sp.Im * sp.Im));	}};int main(){	SOPHUC s1, s2, s3, s4, s5, s6;	s1 = SOPHUC(2.5,3.8);	s2 = SOPHUC(2.1,2.8);	s3 = s1 + s2;	s4 = s1 - s2;	s5 = s1 * s2;	s6 = s1 / s2;		s3.INRA();	s4.INRA();	s5.INRA();	s6.INRA();	return 0;}

// Baikiemtra3.cpp : This file contains the 'main' function. Program execution begins and ends there.//#include <iostream>#include <iomanip>using namespace std;class SOPHUC {private:	double Re, Im;public:	SOPHUC() {		this->Re = 0;		this->Im = 0;	}	SOPHUC(double Re, double Im) {		this->Re = Re;		this->Im = Im;	}	void INRA()	{		cout << Re << (Im >= 0 ? '+' : '-')			<< fabs(Im) << "i" << endl;	}	friend SOPHUC operator + (SOPHUC sp1, SOPHUC sp2) {		return SOPHUC(sp1.Re + sp2.Re, sp1.Im + sp2.Im);	}	friend SOPHUC operator - (SOPHUC sp1, SOPHUC sp2) {		return SOPHUC(sp1.Re - sp2.Re, sp1.Im - sp2.Im);	}	friend SOPHUC operator * (SOPHUC sp1,SOPHUC sp2) {		return SOPHUC(sp1.Re * sp2.Re - sp1.Im * sp2.Im, sp1.Re * sp2.Im + sp1.Im * sp2.Re);	}	friend SOPHUC operator / (SOPHUC sp1,SOPHUC sp2) {		return SOPHUC((sp2.Re * sp1.Re + sp2.Im * sp1.Im) / (sp2.Re * sp2.Re + sp2.Im * sp2.Im), (sp2.Re * sp1.Im - sp2.Im *sp1.Re) / (sp2.Re * sp2.Re + sp2.Im * sp2.Im));	}};int main(){	SOPHUC s1, s2, s3, s4, s5, s6;	s1 = SOPHUC(2.5,3.8);	s2 = SOPHUC(2.1,2.8);	s3 = s1 + s2;	s4 = s1 - s2;	s5 = s1 * s2;	s6 = s1 / s2;		s3.INRA();	s4.INRA();	s5.INRA();	s6.INRA();	return 0;}