template<class Type> bool operator==( const complex<Type>& _Left, const complex<Type>& _Right ); template<class Type> bool operator==( const complex<Type>& _Left, const Type& _Right ); template<class Type> bool operator==( const Type& _Left, const complex<Type>& _Right ); 参数...
friend complex operator-(const complex&c1,const complex&c2); inline complex operator+=(const complex&c); inline complex operator-=(const complex&c); void print(); private: double real,imag; }; complex operator+(const complex&c1,const complex&c2) { return complex(c1.real+c2.real,c1.imag...
complex& operator += (const complex&) double real () const { return re; } double imag () const { return im; } private: double re, im; friend complex& __doapl (complex* , const complex&); } 头文件与类声明 类声明中的防卫式声明 #ifndef __COMPLEX__ #define __COMPLEX__ code Part...
friend complex operator-(const complex&c1,const complex&c2); inline complex operator+=(const complex&c); inline complex operator-=(const complex&c); void print(); private: double real,imag; }; complex operator+(const complex&c1,const complex&c2) { return complex(c1.real+c2.real,c1.imag...
Complex operator+(const Complex& c1, const Complex& c2) { double sum_real = c1.real + c2.real; double sum_imaginary = c1.imaginary + c2.imaginary; return Complex(sum_real, sum_imaginary); } int main() { Complex c1(2.0, 3.0); Complex c2(4.0, 5.0); Complex sum = c1...
complex::operator+=(const complex& r) { return __doapl(this, r); } 传值 传引用 传值是整个复制一遍,而传引用的底层机制类似于指针,用法也类似。 在对象较大时,传引用的速度要更快。在传参和返回时,要尽可能的使用传引用 在返回时,有一种情况不能传引用,那就是返回的变量为local variable本地临时...
friend istream &operator>> (istream &input,Complex &c); //重载输入输出运算符 friend ostream &operator<< (ostream &out,const Complex &c); private: double real; double imag; } ; Complex Complex::operator+ (const Complex &c2)const
}inlinecomplexoperator + (doublex,constcomplex& y) {returncomplex(x + real(y), imag(y)); } endif //MYCOMPLEX 设计: 1)确定成员变量以及get方法思考函数const,real()和img需要加,因为不需要修改值。 2)确定重载符号operator +=方法。 complex& operator +=(constcomplex&); ...
复数的实部和虚部分别为double型x和y,重载加(+),减(-)运算符为类的成员函数,用来计算两个复数的加,减运算,并重载输出(<<)运算符,输出两复数加,减的结果 相关知识点: 试题来源: 解析 class Complex{private: double x, y;Complex operator+(const Complex& other) { Complex ret; ret.x = x + other....
Complex Complex::operator+( const Complex & c ) const{ return Complex( rea+c.rea, ima+c.ima );}Complex Complex::operator-( const Complex & c ) const{ return Complex( rea-c.rea, ima-c.ima );}Complex Complex::operator*( const Complex & c ) const...