molecular::util::Murmur Namespace Reference

Compile-time MurmurHash3. More...

Functions
constexpr uint32_t	RotateL (uint32_t x, int8_t r)
constexpr uint32_t	Mix2 (uint32_t k)
constexpr uint32_t	Mix (uint32_t block, uint32_t state)
constexpr uint32_t	ShiftAndXor (uint32_t val, int shift)
constexpr uint32_t	ToInt32 (const char *bytes)
	Convert char[4] to uint32_t. More...
constexpr uint32_t	Hash2 (const char *str, size_t length, uint32_t state)
constexpr uint32_t	Finalize (uint32_t h0)
	Finalize step of MurmurHash3. More...
constexpr Hash	Hash (const char *str, size_t length, uint32_t seed=42)
	Compute Hash of string. More...

Variables
const uint32_t	mixC1 = 0xcc9e2d51
const uint32_t	mixC2 = 0x1b873593
const uint32_t	mixR1 = 15
const uint32_t	mixR2 = 13
const uint32_t	m1 = 5
const uint32_t	m2 = 0xe6546b64
const uint32_t	c1 = 0x85ebca6b
const uint32_t	c2 = 0xc2b2ae35
const uint32_t	r1 = 16
const uint32_t	r2 = 13
const uint32_t	r3 = 16

Detailed Description

Compile-time MurmurHash3.

Only use Murmur::Hash(), the rest is for internal use only.

Function Documentation

constexpr uint32_t molecular::util::Murmur::Finalize

(

uint32_t

h0

)

Finalize step of MurmurHash3.

constexpr Hash molecular::util::Murmur::Hash	(	const char *	str,
		size_t	length,
		uint32_t	seed = 42
	)

Compute Hash of string.

constexpr uint32_t molecular::util::Murmur::Hash2	(	const char *	str,
		size_t	length,
		uint32_t	state
	)

constexpr uint32_t molecular::util::Murmur::Mix	(	uint32_t	block,
		uint32_t	state
	)

constexpr uint32_t molecular::util::Murmur::Mix2

(

uint32_t

k

)

constexpr uint32_t molecular::util::Murmur::RotateL	(	uint32_t	x,
		int8_t	r
	)

constexpr uint32_t molecular::util::Murmur::ShiftAndXor	(	uint32_t	val,
		int	shift
	)

constexpr uint32_t molecular::util::Murmur::ToInt32

(

const char *

bytes

)

Convert char[4] to uint32_t.

Little endian.

Variable Documentation

const uint32_t molecular::util::Murmur::c1 = 0x85ebca6b

const uint32_t molecular::util::Murmur::c2 = 0xc2b2ae35

const uint32_t molecular::util::Murmur::m1 = 5

const uint32_t molecular::util::Murmur::m2 = 0xe6546b64

const uint32_t molecular::util::Murmur::mixC1 = 0xcc9e2d51

const uint32_t molecular::util::Murmur::mixC2 = 0x1b873593

const uint32_t molecular::util::Murmur::mixR1 = 15

const uint32_t molecular::util::Murmur::mixR2 = 13

const uint32_t molecular::util::Murmur::r1 = 16

const uint32_t molecular::util::Murmur::r2 = 13

const uint32_t molecular::util::Murmur::r3 = 16