c++重载复数类

重载了复数类的 加减乘除， 取模，虚部，实部，夹角，共轭， 指数，对数，开根，sin，cos， 以及输出运算符， 自加，自减运算符， 比较运算符，

Complex.h

#pragma once
#include
#include
#include
using namespace std;
class Complex
{
public:
	Complex();
	Complex(double xr,double xi);
	void setR(double xr);
	void setI(double xi);
	void print();

	
	Complex operator+(Complex y);
	Complex operator-(Complex y);
	Complex operator*(Complex y);
	Complex operator/(Complex y);
	
	Complex operator!();

	Complex operator+(double c);
	Complex operator-(double c);
	Complex operator*(double c);
	Complex operator/(double c);
	Complex operator^(int t);

	friend Complex operator+(double c, Complex x);
	friend Complex operator-(double c, Complex x);
	friend Complex operator*(double c, Complex x);
	friend Complex operator/(double c, Complex x);

	friend Complex operator-(Complex y);
	/*friend Complex operator++(Complex y);*/
	/*void operator++();
	void operator--();
	void operator++(int);
	void operator--(int);*/
	Complex operator++();
	Complex operator--();
	Complex operator++(int);
	Complex operator--(int);

	friend double Re(Complex x);
	friend double Im(Complex x);
	friend double Mod(Complex x);
	friend double Eta(Complex x);
	friend Complex Sqrt(Complex x);
	friend Complex Cos(Complex x);
	friend Complex Sin(Complex x);
	friend Complex Ln(Complex x);
	friend Complex Unit(Complex x);
	friend ostream& operatori == 0) { cout r += 1;
	this->i += 1;
	

}
Complex Complex::operator--(int) {
	return *this;
	this->r -= 1;
	this->i -= 1;
	
}


Complex Complex::operator+(double c) {
	Complex x(this->r + c, this->i);
	return x;
}
Complex Complex::operator-(double c) {
	Complex x(this->r - c, this->i);
	return x;
}
Complex Complex::operator*(double c) {
	Complex x(this->r * c, this->i * c);
	return x;
}
Complex Complex::operator/(double c){
	Complex x(this->r / c, this->i / c);
	return x;
}

Complex operator+(double c, Complex x) {
	Complex y(x.r + c, x.i);
	return y;
}
Complex operator-(double c, Complex x) {
	Complex y(x.r - c, x.i);
	return y;
}
Complex operator*(double c, Complex x) {
	Complex y(x.r * c, x.i * c);
	return y;
}
Complex operator/(double c, Complex x) {
	return c * (!x) / (x*(!x));
}


double Re(Complex x) { return x.r; };
double Im(Complex x) { return x.i; };
double Mod(Complex x) { return sqrt(Re(x*(!x))); }
double Eta(Complex x) { return acos(Unit(x).r); }
Complex Sqrt(Complex x) { 
	Exp e;
	Complex i(0, 1);
	Complex y = sqrt(Mod(x))*(e^((Eta(x)/2)*i));
	return y;
}
Complex Cos(Complex x) { 
	Exp e;
	Complex y = ((e^x) + (e ^ (-x)))/2;
	return y;
}
Complex Sin(Complex x) { 
	Exp e;
	Complex i(0, 1);
	Complex y = ((e^x) - (e ^ (-x))) / (2*i);
	return y;
}
Complex Ln(Complex x) { 
	Complex y(log(Mod(x)),Eta(x));
	return y;
}
Complex Unit(Complex x) { return x / Mod(x); }

ostream& operator