Bit util common to any endian type. Use through class BitOp. More...

#include <BitOp.h>

Inheritance diagram for honey::BitOpCommon:

Static Public Member Functions
template<class T >
static T	rotLeft (const T v, const int n)
	Rotate integer bits cyclically to the left. More...

template<class T >
static T	rotRight (const T v, const int n)
	Rotate integer bits cyclically to the right. More...

static uint8	swap (const uint8 v)
	Reverse order of bytes in an unsigned integer. More...

static uint16	swap (const uint16 v)

static uint32	swap (const uint32 v)

static uint64	swap (const uint64 v)

template<class T >
static T	swap (const T v)
	Reverse order of bytes in a signed integer. More...

static uint8	high (const uint16 v)
	Retrieve high bytes from integer. More...

static uint16	high (const uint32 v)

static uint32	high (const uint64 v)

static uint8	low (const uint16 v)
	Retrieve low bytes from integer. More...

static uint16	low (const uint32 v)

static uint32	low (const uint64 v)

static uint32	fromParts (const uint16 hi, const uint16 lo)
	Convert smaller integer parts into a full integer. More...

static uint64	fromParts (const uint32 hi, const uint32 lo)

template<class UInt >
static UInt	fromPartsLittle (const uint8 *p)

template<class UInt >
static UInt	fromPartsBig (const uint8 *p)

template<class UInt >
static void	toPartsLittle (const UInt v, uint8 *p)

template<class UInt >
static void	toPartsBig (const UInt v, uint8 *p)

static int	popCount (uint32 x)
	Get number of non-zero bits in unsigned integer. More...

static int	popCount (uint64 x)

template<class UInt >
static bool	isPow2 (UInt x)
	Check if unsigned integer is a power of two. More...

template<class UInt >
static UInt	pow2Floor (UInt x)
	Calc nearest power of two <= unsigned integer. More...

static uint32	pow2Ceil (uint32 x)
	Calc nearest power of two >= unsigned integer. More...

static uint64	pow2Ceil (uint64 x)

static int	log2Floor (uint32 x)
	Calc log base 2 of unsigned integer, rounded down to nearest integer. Returns -1 if x is zero. More...

static int	log2Floor (uint64 x)

static int	log2Ceil (uint32 x)
	Calc log base 2 of unsigned integer, rounded up to nearest integer. Returns -1 if x is zero. More...

static int	log2Ceil (uint64 x)

static uint8	reverse (uint8 v)
	Reverse order of bits in an unsigned integer. More...

static uint16	reverse (uint16 v)

static uint32	reverse (uint32 v)

static uint64	reverse (uint64 v)

Detailed Description

Bit util common to any endian type. Use through class BitOp.

Member Function Documentation

static uint32 honey::BitOpCommon::fromParts	(	const uint16	hi,
		const uint16	lo
	)

inlinestatic

Convert smaller integer parts into a full integer.

static uint64 honey::BitOpCommon::fromParts	(	const uint32	hi,
		const uint32	lo
	)

inlinestatic

template<class UInt >

static UInt honey::BitOpCommon::fromPartsBig ( const uint8 * p )

inlinestatic

template<class UInt >

static UInt honey::BitOpCommon::fromPartsLittle ( const uint8 * p )

inlinestatic

static uint8 honey::BitOpCommon::high ( const uint16 v )

inlinestatic

Retrieve high bytes from integer.

static uint16 honey::BitOpCommon::high ( const uint32 v )

inlinestatic

static uint32 honey::BitOpCommon::high ( const uint64 v )

inlinestatic

template<class UInt >

static bool honey::BitOpCommon::isPow2 ( UInt x )

inlinestatic

Check if unsigned integer is a power of two.

static int honey::BitOpCommon::log2Ceil ( uint32 x )

inlinestatic

Calc log base 2 of unsigned integer, rounded up to nearest integer. Returns -1 if x is zero.

static int honey::BitOpCommon::log2Ceil ( uint64 x )

inlinestatic

static int honey::BitOpCommon::log2Floor ( uint32 x )

inlinestatic

Calc log base 2 of unsigned integer, rounded down to nearest integer. Returns -1 if x is zero.

static int honey::BitOpCommon::log2Floor ( uint64 x )

inlinestatic

static uint8 honey::BitOpCommon::low ( const uint16 v )

inlinestatic

Retrieve low bytes from integer.

static uint16 honey::BitOpCommon::low ( const uint32 v )

inlinestatic

static uint32 honey::BitOpCommon::low ( const uint64 v )

inlinestatic

static int honey::BitOpCommon::popCount ( uint32 x )

inlinestatic

Get number of non-zero bits in unsigned integer.

static int honey::BitOpCommon::popCount ( uint64 x )

inlinestatic

static uint32 honey::BitOpCommon::pow2Ceil ( uint32 x )

inlinestatic

Calc nearest power of two >= unsigned integer.

static uint64 honey::BitOpCommon::pow2Ceil ( uint64 x )

inlinestatic

template<class UInt >

static UInt honey::BitOpCommon::pow2Floor ( UInt x )

inlinestatic

Calc nearest power of two <= unsigned integer.

static uint8 honey::BitOpCommon::reverse ( uint8 v )

inlinestatic

Reverse order of bits in an unsigned integer.

static uint16 honey::BitOpCommon::reverse ( uint16 v )

inlinestatic

static uint32 honey::BitOpCommon::reverse ( uint32 v )

inlinestatic

static uint64 honey::BitOpCommon::reverse ( uint64 v )

inlinestatic

template<class T >

static T honey::BitOpCommon::rotLeft	(	const T	v,
		const int	n
	)

inlinestatic

Rotate integer bits cyclically to the left.

template<class T >

static T honey::BitOpCommon::rotRight	(	const T	v,
		const int	n
	)

inlinestatic

Rotate integer bits cyclically to the right.

static uint8 honey::BitOpCommon::swap ( const uint8 v )

inlinestatic

Reverse order of bytes in an unsigned integer.

static uint16 honey::BitOpCommon::swap ( const uint16 v )

inlinestatic

static uint32 honey::BitOpCommon::swap ( const uint32 v )

inlinestatic

static uint64 honey::BitOpCommon::swap ( const uint64 v )

inlinestatic

template<class T >

static T honey::BitOpCommon::swap ( const T v )

inlinestatic

Reverse order of bytes in a signed integer.

template<class UInt >

static void honey::BitOpCommon::toPartsBig	(	const UInt	v,
		uint8 *	p
	)

inlinestatic

template<class UInt >

static void honey::BitOpCommon::toPartsLittle	(	const UInt	v,
		uint8 *	p
	)

inlinestatic

The documentation for this struct was generated from the following file:

src/common/Honey/Misc/BitOp.h

Static Public Member Functions

Detailed Description

Member Function Documentation