C++ keyword: double

Usage

• double type: as the declaration of the type
• long double type: as the declaration of the type when combined with long

See also

• Fundamental types: void, std::nullptr_t(since C++11).
  • Integral types: int. Modifiers: signed, unsigned, short, long.
    • Boolean type: bool. Boolean literals: false, true.
    • Character types: char, char8_t(since C++20), char16_t, char32_t(since C++11), wchar_t.
  • Floating-point types: float, double.