complex.h
#ifndef COMPLEX_H
#define COMPLEX_H
#include using namespace std;
class Complex
{
public:
//explicit :防止隐士类型转换
//explicit Complex(float real = 0, float vir = 0);
Complex(float real = 0, float vir = 0);
~Complex();
//类型转换函数无需写返回值类型,但是函数定义中必须要有返回值
operator int();
operator float();
void value();
friend Complex operator +(Complex &c1, Complex &c2);
friend Complex operator -(Complex &c1, Complex &c2);
private:
float m_fReal;
float m_fVir;
};
Complex operator +(Complex &c1, Complex &c2);
Complex operator -(Complex &c1, Complex &c2);
complex.cpp
de "complex.h"
Complex::Complex(float real, float vir)
{
m_fReal = real;
m_fVir = vir;
}
Complex::~Complex()
{}
Complex Complex::operator+(int data)
{
Complex com;
com.m_fReal = m_fReal + data;
com.m_fVir = m_fVir;
cout << "Complex::operator+(int data)" << endl;
return com;
}
Complex Complex::operator+(float data)
{
Complex com;
com.m_fReal = m_fReal + data;
com.m_fVir = m_fVir;
cout << "Complex::operator+(float data)" << endl;
return com;
}
Complex::operator float()
{
cout << "operator float()" << endl;
return (m_fReal + m_fVir) * 0.05;
}
Complex::operator int()
{
cout << "operator int()" << endl;
return m_fReal;
}
void Complex::value()
{
cout << '(' << m_fReal << ")+(" << m_fVir
<< ")i" << endl;
}
Complex operator +(Complex &c1
, Complex &c2)
{
Complex c;
c.m_fReal = c1.m_fReal + c2.m_fReal;
c.m_fVir = c1.m_fVir + c2.m_fVir;
cout << "operator+" << endl;
return c;
}
Complex operator -(Complex &c1
, Complex &c2)
{
Complex c;
c.m_fReal = c1.m_fReal - c2.m_fReal;
c.m_fVir = c1.m_fVir - c2.m_fVir;
cout << "operator-" << endl;
return c;
}
main.cpp
nclude "complex.h"
void fun(Complex com)
{
com.value();
}
int main()
{
//int 转换成Complex:隐士类型转换
//fun(23);
Complex com(3, 7);
com.value();
Complex com2(4, 9);
com2.value();
Complex com3 = com + com2;
com3.value();
Complex com4 = com - com2;
com4.value();
return 0;
}
#endif // COMPLEX_H
