opencascade::MurmurHash Namespace Reference

Implementation of Murmur hash with autodetect of sizeof(size_t). More...

Functions
uint32_t	MurmurHash2A (const void *theKey, int theLen, uint32_t theSeed) noexcept
uint64_t	MurmurHash64A (const void *theKey, int theLen, uint64_t theSeed) noexcept
template<typename T1, typename T = size_t>
std::enable_if< sizeof(T)==8, uint64_t >::type	hash_combine (const T1 &theValue, const int theLen=sizeof(T1), const T theSeed=0xA329F1D3A586ULL) noexcept
template<typename T1, typename T = size_t>
std::enable_if< sizeof(T)!=8, T >::type	hash_combine (const T1 &theValue, const int theLen=sizeof(T1), const T theSeed=0xc70f6907U) noexcept
template<typename T = size_t>
constexpr T	optimalSeed () noexcept

Detailed Description

Implementation of Murmur hash with autodetect of sizeof(size_t).

The default value for the seed is optimal for general cases at a certain hash size.

Function Documentation

hash_combine() [1/2]

template<typename T1, typename T = size_t>

std::enable_if< sizeof(T)==8, uint64_t >::type opencascade::MurmurHash::hash_combine ( const T1 & theValue, const int theLen = sizeof(T1), const T theSeed = 0xA329F1D3A586ULL )

noexcept

hash_combine() [2/2]

template<typename T1, typename T = size_t>

std::enable_if< sizeof(T)!=8, T >::type opencascade::MurmurHash::hash_combine ( const T1 & theValue, const int theLen = sizeof(T1), const T theSeed = 0xc70f6907U )

noexcept

MurmurHash2A()

uint32_t opencascade::MurmurHash::MurmurHash2A ( const void * theKey, int theLen, uint32_t theSeed )

noexcept

MurmurHash64A()

uint64_t opencascade::MurmurHash::MurmurHash64A ( const void * theKey, int theLen, uint64_t theSeed )

noexcept

optimalSeed()

template<typename T = size_t>

T opencascade::MurmurHash::optimalSeed ( )

constexprnoexcept