std::complex::real
primary template complex<T> | ? | ? |
|---|---|---|
T real() const; | (1) | (until C++14) |
constexpr T real() const; | (1) | (since C++14) |
void real( T value ); | (2) | ? |
specialization complex<float> | ? | ? |
float real() const; | (1) | (until C++11) |
constexpr float real(); | (1) | (since C++11) (until C++14) |
constexpr float real() const; | (1) | (since C++14) |
void real( float value ); | (2) | ? |
specialization complex<double> | ? | ? |
double real() const; | (1) | (until C++11) |
constexpr double real(); | (1) | (since C++11) (until C++14) |
constexpr double real() const; | (1) | (since C++14) |
void real( double value ); | (2) | ? |
specialization complex<long double> | ? | ? |
long double real() const; | (1) | (until C++11) |
constexpr long double real(); | (1) | (since C++11) (until C++14) |
constexpr long double real() const; | (1) | (since C++14) |
void real( long double value ); | (2) | ? |
访问复数的真实部分。
1%29返回真实的部分。
2%29设置真正的部分value...
参数
value | - | the value to set the real part to |
|---|
返回值
1%29是真正的部分。
2%29%280%29
另见
real | returns the real component (function template) |
|---|---|
imag | accesses the imaginary part of the complex number (public member function) |
? cppreference.com在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
