std::complex::real

From cppreference.com
T real() const;
(1)
void real( T value );
(2)

Accesses the real part of the complex number.

1) Returns the real part.

2) Sets the real part to value.

[edit] Parameters

value - the value to set the real part to

[edit] See also

accesses the imaginary part of the complex number
(public member function)