Standard library header <bit> (C++20)
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<compare> (C++20)
<contracts> (C++26)
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<cstdint> (C++11)
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<memory_resource> (C++17)
<scoped_allocator> (C++11)
<type_traits> (C++11)
<ratio> (C++11)
<any> (C++17)
<bit> (C++20)
<charconv> (C++17)
<expected> (C++23)
<format> (C++20)
<optional> (C++17)
<stdbit.h> (C++26)
<tuple> (C++11)
<typeindex> (C++11)
<variant> (C++17)
<array> (C++11)
<flat_map> (C++23)
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<hive> (C++26)
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<ciso646> (until C++20)
<cstdalign> (C++11/17/20*)
<cstdbool> (C++11/17/20*)
<ctgmath> (C++11/17/20*)
<cinttypes> (C++11)
<filesystem> (C++17)
<print> (C++23)
<spanstream> (C++23)
<strstream> (C++98/26*)
<syncstream> (C++20)
<atomic> (C++11)
<barrier> (C++20)
<condition_variable> (C++11)
<future> (C++11)
<hazard_pointer> (C++26)
<latch> (C++20)
<mutex> (C++11)
<rcu> (C++26)
<semaphore> (C++20)
<shared_mutex> (C++14)
<stdatomic.h> (C++23)
<stop_token> (C++20)
<thread> (C++11)
<execution> (C++17)
This header is part of the numeric library.
Types
Functions
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
[edit] Synopsis
namespace std { // bit_cast template<class To, class From> constexpr To bit_cast(const From& from) noexcept; // byteswap template <class T> constexpr T byteswap(T value) noexcept; // integral powers of 2 template<class T> constexpr bool has_single_bit(T x) noexcept; template<class T> constexpr T bit_ceil(T x); template<class T> constexpr T bit_floor(T x) noexcept; template<class T> constexpr int bit_width(T x) noexcept; // rotating template<class T> constexpr T rotl(T x, int s) noexcept; template<class T> constexpr T rotr(T x, int s) noexcept; // counting template<class T> constexpr int countl_zero(T x) noexcept; template<class T> constexpr int countl_one(T x) noexcept; template<class T> constexpr int countr_zero(T x) noexcept; template<class T> constexpr int countr_one(T x) noexcept; template<class T> constexpr int popcount(T x) noexcept; // endian enum class endian { little = /* see description */, big = /* see description */, native = /* see description */ }; }