std::complex::complex

complex( const T& re = T(), const T& im = T() );

(1)

(until C++14)

constexpr complex( const T& re = T(), const T& im = T() );

(1)

(since C++14)

complex( const complex& other );

(2)

(until C++14)

constexpr complex( const complex& other );

(2)

(since C++14)

template< class X > complex( const complex<X>& other);

(3)

(until C++14)

template< class X > constexpr complex( const complex<X>& other);

(3)

(since C++14)

specialization complex<float>

?

?

complex(float re = 0.0f, float im = 0.0f);

(1)

(until C++11)

constexpr complex(float re = 0.0f, float im = 0.0f);

(1)

(since C++11)

explicit complex(const complex<double>& other); explicit complex(const complex<long double>& other);

(3)

(until C++11)

explicit constexpr complex(const complex<double>& other); explicit constexpr complex(const complex<long double>& other);

(3)

(since C++11)

specialization complex<double>

?

?

complex(double re = 0.0, double im = 0.0);

(1)

(until C++11)

constexpr complex(double re = 0.0, double im = 0.0);

(1)

(since C++11)

complex(const complex<float>& other); explicit complex(const complex<long double>& other);

(3)

(until C++11)

constexpr complex(const complex<float>& other); explicit constexpr complex(const complex<long double>& other);

(3)

(since C++11)

specialization complex<long double>

?

?

complex(long double re = 0.0L, long double im = 0.0L);

(1)

(until C++11)

constexpr complex(long double re = 0.0L, long double im = 0.0L);

(1)

(since C++11)

complex(const complex<float>& other); complex(const complex<double>& other);

(3)

(until C++11)

constexpr complex(const complex<float>& other); constexpr complex(const complex<double>& other);

(3)

(since C++11)

im

-

the imaginary part

other

-

another complex to use as source

operator""ifoperator""ioperator""il (C++14)

A std::complex literal representing pure imaginary number (function)