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std::complex::imag

STD：：Complex：：IMAG

primary template complex​​
T imag() const;(1)(until C++14)
constexpr T imag() const;(1)(since C++14)
void imag( T value (2)​
specialization complex<float>​​
float imag() const;(1)(until C++11)
constexpr float imag((1)(since C++11) (until C++14)
constexpr float imag() const;(1)(since C++14)
void imag( float value (2)​
specialization complex<double>​​
double imag() const;(1)(until C++11)
constexpr double imag((1)(since C++11) (until C++14)
constexpr double imag() const;(1)(since C++14)
void imag( double value (2)​
specialization complex<long double>​​
long double imag() const;(1)(until C++11)
constexpr long double imag((1)(since C++11) (until C++14)
constexpr long double imag() const;(1)(since C++14)
void imag( long double value (2)​

访问复数的虚部。

1%29返回虚部。

2%29设置虚部value...

参数

value-the value to set the imaginary part to

另见

imagreturns the imaginary component (function template)
realaccesses the real part of the complex number (public member function)

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