Bits.h File Reference

#include <cassert>
#include <cinttypes>
#include <cstdint>
#include <cstring>
#include <limits>
#include <type_traits>
#include <folly/ConstexprMath.h>
#include <folly/Portability.h>
#include <folly/Utility.h>
#include <folly/lang/Assume.h>
#include <folly/portability/Builtins.h>

Go to the source code of this file.

Classes
struct	folly::detail::uint_types_by_size< Size >
struct	folly::detail::uint_types_by_size< 8/8 >
struct	folly::detail::uint_types_by_size< 64/8 >
struct	folly::detail::uint_types_by_size< 32/8 >
struct	folly::detail::uint_types_by_size< 16/8 >
struct	folly::detail::EndianInt< T >
class	folly::Endian
struct	folly::Unaligned< T, Enable >
struct	folly::Unaligned< T, typename std::enable_if< std::is_pod< T >::value >::type >

Namespaces
	folly
	—— Concurrent Priority Queue Implementation ——
	folly::detail

Macros
#define	FB_GEN(sz, fn)
#define	FB_GEN1(fn, t, sz)
#define	FB_GEN2(t, sz)
#define	FB_GEN(sz)

Functions
template<typename Dst , typename Src >
constexpr std::make_signed_t< Dst >	folly::detail::bits_to_signed (Src const s)
template<typename Dst , typename Src >
constexpr std::make_unsigned_t< Dst >	folly::detail::bits_to_unsigned (Src const s)
template<typename T >
constexpr unsigned int	folly::findFirstSet (T const v)
template<typename T >
constexpr unsigned int	folly::findLastSet (T const v)
template<typename T >
constexpr unsigned int	folly::popcount (T const v)
template<class T >
constexpr T	folly::nextPowTwo (T const v)
template<class T >
constexpr T	folly::prevPowTwo (T const v)
template<class T >
constexpr bool	folly::isPowTwo (T const v)
static uint8_t	folly::detail::byteswap_gen (uint8_t v)
static uint64_t	folly::detail::byteswap_gen (uint64_t v)
static uint32_t	folly::detail::byteswap_gen (uint32_t v)
static uint16_t	folly::detail::byteswap_gen (uint16_t v)
template<class T >
FOLLY_PACK_POP T	folly::loadUnaligned (const void *p)
template<class T >
T	folly::partialLoadUnaligned (const void *p, size_t l)
template<class T >
void	folly::storeUnaligned (void *p, T value)
template<typename T >
T	folly::bitReverse (T n)

Variables
FOLLY_PACK_PUSH struct folly::Unaligned< T, typename std::enable_if< std::is_pod< T >::value >::type >	folly::FOLLY_PACK_ATTR

Macro Definition Documentation

#define FB_GEN	(		sz,
			fn
	)

Value:

static inline uint##sz##_t byteswap_gen(uint##sz##_t v) { \
    return fn(v);                                           \
  }                                                         \
  template <>                                               \
  struct uint_types_by_size<sz / 8> {                       \
    using type = uint##sz##_t;                              \
  };

Definition at line 241 of file Bits.h.

#define FB_GEN

(

sz

)

Value:

FB_GEN2(uint##sz##_t, sz) \
  FB_GEN2(int##sz##_t, sz)

Definition at line 241 of file Bits.h.

#define FB_GEN1	(		fn,
			t,
			sz
	)

Value:

static t fn##sz(t x) {   \
    return fn<t>(x);       \
  }

Definition at line 231 of file Bits.h.

#define FB_GEN2	(		t,
			sz
	)

Value:

FB_GEN1(swap, t, sz) \
  FB_GEN1(big, t, sz)  \
  FB_GEN1(little, t, sz)

Definition at line 236 of file Bits.h.