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

 

C++

编译器支持

自立实现与有宿主实现

语言

标准库

标准库标头

具名要求

功能特性测试宏 (C++20)

语言支持库

概念库 (C++20)

元编程库 (C++11)

诊断库

通用工具库

字符串库

容器库

迭代器库

范围库 (C++20)

算法库

数值库

本地化库

输入/输出库

文件系统库 (C++17)

正则表达式库 (C++11)

并发支持库 (C++11)

技术规范

符号索引

外部库

 

数值库

常用数学函数
数学特殊函数 (C++17)
数学常数 (C++20)
基本线性代数算法 (C++26)
浮点环境 (C++11)
复数
数值数组 (valarray)
伪随机数生成
因数运算
gcd (C++17)	lcm (C++17)
插值
midpoint (C++20)	lerp (C++20)
饱和算术
add_sat (C++26) sub_sat (C++26) saturate_cast (C++26)	mul_sat (C++26) div_sat (C++26)
泛型算术运算
iota (C++11) ranges::iota (C++23) accumulate inner_product adjacent_difference partial_sum	reduce (C++17) transform_reduce (C++17) inclusive_scan (C++17) exclusive_scan (C++17) transform_inclusive_scan (C++17) transform_exclusive_scan (C++17)
位操作
has_single_bit (C++20)     bit_cast (C++20) bit_ceil (C++20) bit_floor (C++20) bit_width (C++20) rotl (C++20) rotr (C++20)	popcount (C++20) countl_zero (C++20) countl_one (C++20) countr_zero (C++20) countr_one (C++20) byteswap (C++23) endian (C++20)

 

std::complex

成员函数
complex::complex complex::operator= complex::real complex::imag	complex::operator+=complex::operator-=complex::operator*=complex::operator/=
非成员函数
operator+operator- operator+operator-operator*operator/ operator==operator!= (C++20 前)   operator<<operator>> get(std::complex) (C++26)	real imag abs arg norm conj proj (C++11) polar operator""ioperator""ifoperator""il (C++14)(C++14)(C++14)
指数函数
log   log10   exp
幂函数
pow   sqrt
三角函数
sin   cos tan asin (C++11) acos (C++11) atan (C++11)
双曲函数
sinh   cosh tanh asinh (C++11) acosh (C++11) atanh (C++11)
辅助类型
tuple_size<std::complex> (C++26)
tuple_element<std::complex> (C++26)

 

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

(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)

为复数算术和复数/标量混合算术实现复合赋值运算符。标量实参被当做拥有等于实参的实部和设为零的虚部的复数。

1,5) 将 other 加到 *this。

2,6) 从 *this 减去 other。

3,7) 将 *this 乘上 other。

4,8) 以 other 除 *this。

参数

other

-

匹配类型（float、double、long double）的复数或标量值

返回值

*this

参阅

operator+operator-	对复数运用一元运算符 (函数模板)
operator+operator-operator*operator/	在两个复数，或一个复数与一个标量上进行复数算术运算 (函数模板)