[complex] (original) (raw)

29 Numerics library [numerics]

29.4 Complex numbers [complex.numbers]

29.4.3 Class template complex [complex]

namespace std { template<class T> class complex { public: using value_type = T;constexpr complex(const T& re = T(), const T& im = T());constexpr complex(const complex&) = default;template<class X> constexpr explicit(see below) complex(const complex<X>&);constexpr T real() const;constexpr void real(T);constexpr T imag() const;constexpr void imag(T);constexpr complex& operator= (const T&);constexpr complex& operator+=(const T&);constexpr complex& operator-=(const T&);constexpr complex& operator*=(const T&);constexpr complex& operator/=(const T&);constexpr complex& operator=(const complex&);template<class X> constexpr complex& operator= (const complex<X>&);template<class X> constexpr complex& operator+=(const complex<X>&);template<class X> constexpr complex& operator-=(const complex<X>&);template<class X> constexpr complex& operator*=(const complex<X>&);template<class X> constexpr complex& operator/=(const complex<X>&);};}

The classcomplexdescribes an object that can store the Cartesian components,real()andimag(), of a complex number.