std::complex<T>:: operator+ (unary) , operator- (unary)
From cppreference.net
| (1) | ||
|
template
<
class
T
>
std:: complex < T > operator + ( const std:: complex < T > & val ) ; |
(C++20 前) | |
|
template
<
class
T
>
constexpr std:: complex < T > operator + ( const std:: complex < T > & val ) ; |
(C++20 起) | |
| (2) | ||
|
template
<
class
T
>
std:: complex < T > operator - ( const std:: complex < T > & val ) ; |
(C++20 前) | |
|
template
<
class
T
>
constexpr std:: complex < T > operator - ( const std:: complex < T > & val ) ; |
(C++20 起) | |
实现复数的一元算术运算符的对应操作。
1)
返回其参数的值
2)
对参数取反
参数
| val | - | 复数参数 |
返回值
1)
参数的副本,
std::
complex
<
T
>
(
val
)
2)
取反参数,
std::
complex
<
T
>
(
-
val.
real
(
)
,
-
val.
imag
(
)
)
参见
|
对两个复数或一个复数与标量执行复数算术运算
(函数模板) |