std::complex::imag

 

C++

Language

Standard library headers

Concepts

Utilities library

Strings library

Containers library

Algorithms library

Iterators library

Numerics library

Input/output library

Localizations library

Regular expressions library (C++11)

Atomic operations library (C++11)

Thread support library (C++11)

Technical Specifications

 

Numerics library

Common mathematical functions

Floating-point environment

Complex numbers

Numeric arrays

Pseudo-random number generation

Compile-time rational arithmetic (C++11)

Generic numeric operations

iota (C++11)

accumulate

inner_product

adjacent_difference

partial_sum

 

std::complex

Member functions
complex::complex
complex::operator=
complex::real
complex::imag
complex::operator+=complex::operator-=complex::operator*=complex::operator/=
Non-member functions
operator+operator- operator+operator-operator*operator/ operator==operator!= operator<<operator>>	real imag abs arg norm conj proj (C++11) polar operator""ioperator""ifoperator""il (C++14)(C++14)(C++14)
Exponential functions
exp
log
log10
Power functions
pow
sqrt
Trigonometric functions
sin cos tan	asin (C++11) acos (C++11) atan (C++11)
Hyperbolic functions
sinh cosh tanh	asinh (C++11) acosh (C++11) atanh (C++11)

 

primary template complex<T>
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)

Accesses the imaginary part of the complex number.

1) Returns the imaginary part.

2) Sets the imaginary part to value.

Parameters

value

-

the value to set the imaginary part to

See also

imag	returns the imaginary component (function template)
real	accesses the real part of the complex number (public member function)