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std::complex<T>:: operator+=,-=,*=,/=

From cppreference.net
C++
Numerics library
std::complex
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主模板 complex<T>
(1)
complex & operator + = ( const T & other ) ;
(C++20 前)
constexpr complex & operator + = ( const T & other ) ;
(C++20 起)
(2)
complex & operator - = ( const T & other ) ;
(C++20 前)
constexpr complex & operator - = ( const T & other ) ;
(C++20 起)
(3)
complex & operator * = ( const T & other ) ;
(C++20 前)
constexpr complex & operator * = ( const T & other ) ;
(C++20 起)
(4)
complex & operator / = ( const T & other ) ;
(C++20 前)
constexpr complex & operator / = ( const T & other ) ;
(C++20 起)
特化 complex<float>
(1)
complex & operator + = ( float other ) ;
(C++20 前)
constexpr complex & operator + = ( float other ) ;
(C++20 起)
(2)
complex & operator - = ( float other ) ;
(C++20 前)
constexpr complex & operator - = ( float other ) ;
(C++20 起)
(3)
complex & operator * = ( float other ) ;
(C++20 前)
constexpr complex & operator * = ( float other ) ;
(C++20 起)
(4)
complex & operator / = ( float other ) ;
(C++20 前)
constexpr complex & operator / = ( float other ) ;
(C++20 起)
特化 complex<double>
(1)
complex & operator + = ( double other ) ;
(C++20前)
constexpr complex & operator + = ( double other ) ;
(C++20起)
(2)
complex & operator - = ( double other ) ;
(C++20 前)
constexpr complex & operator - = ( double other ) ;
(C++20 起)
(3)
complex & operator * = ( double other ) ;
(C++20 前)
constexpr complex & operator * = ( double other ) ;
(C++20 起)
(4)
complex & operator / = ( double other ) ;
(C++20前)
constexpr complex & operator / = ( double other ) ;
(C++20起)
特化 complex<long double>
(1)
complex & operator + = ( long double other ) ;
(C++20 前)
constexpr complex & operator + = ( long double other ) ;
(C++20 起)
(2)
complex & operator - = ( long double other ) ;
(C++20 前)
constexpr complex & operator - = ( long double other ) ;
(C++20 起)
(3)
complex & operator * = ( long double other ) ;
(C++20 前)
constexpr complex & operator * = ( long double other ) ;
(C++20 起)
(4)
complex & operator / = ( long double other ) ;
(C++20 前)
constexpr complex & operator / = ( long double other ) ;
(C++20 起)
所有特化版本
(5)
template < class X >
complex & operator + = ( const std:: complex < X > & other ) ;
(C++20前)
template < class X >
constexpr complex & operator + = ( const std:: complex < X > & other ) ;
(C++20起)
(6)
template < class X >
complex & operator - = ( const std:: complex < X > & other ) ;
(C++20前)
template < class X >
constexpr complex & operator - = ( const std:: complex < X > & other ) ;
(C++20起)
(7)
template < class X >
complex & operator * = ( const std:: complex < X > & other ) ;
(C++20 前)
template < class X >
constexpr complex & operator * = ( const std:: complex < X > & other ) ;
(C++20 起)
(8)
template < class X >
complex & operator / = ( const std:: complex < X > & other ) ;
(C++20 前)
template < class X >
constexpr complex & operator / = ( const std:: complex < X > & other ) ;
(C++20 起)

实现复合赋值运算符，用于复数运算以及复数/标量混合运算。标量参数将被视为复数，其实部等于参数值，虚部设为零。

1,5) 将 other 添加到 * this 。
2,6) 从 * this 中减去 other 。
3,7) 将 * this 乘以 other 。
4,8) 将 * this 除以 other 。

参数

其他参数 - 匹配类型的复数或标量值（ float 、 double 、 long double ）

返回值

* this

另请参阅

对复数应用一元运算符
(函数模板)
对两个复数值或复数与标量执行复数算术运算
(函数模板)