ice::detail::murmur2_hash Namespace Reference

Classes
struct	mm2_x64_64

Functions
constexpr auto	cexpr_murmur2_x64_64 (std::u8string_view key, ice::u64 seed) noexcept -> mm2_x64_64
constexpr auto	cexpr_murmur2_x64_64 (std::string_view key, ice::u64 seed) noexcept -> mm2_x64_64
constexpr auto	crotate (ice::u64 a) noexcept -> ice::u64
template<typename CharType>
constexpr auto	cfinalize_h (CharType const *data, size_t key, ice::u64 h) noexcept -> ice::u64
template<typename CharType>
constexpr auto	cfinalize (CharType const *data, size_t len, ice::u64 h) noexcept -> ice::u64
template<typename CharType>
constexpr auto	cblock (CharType const *data, size_t offset=0) noexcept -> ice::u64
template<typename CharType>
constexpr auto	cmix_h (CharType const *data, ice::u64 h, size_t offset) noexcept -> ice::u64
template<typename CharType>
constexpr auto	cmix (CharType const *data, size_t len, ice::u64 h, size_t offset=0) noexcept -> ice::u64

Variables
constexpr ice::u64	m = 0xc6a4a7935bd1e995
constexpr ice::u32	r = 47

Detailed Description

Copyright 2022 - 2025, Dandielo dandi.nosp@m.elo@.nosp@m.icesh.nosp@m.ard..nosp@m.net SPDX-License-Identifier: MIT

The below code was taken from https://gist.github.com/Teknoman117/d4d952942b4314781432 It is used by the stringid_t type to calculate the hash value from the given string at compile time.

Function Documentation

cblock()

template<typename CharType>

auto ice::detail::murmur2_hash::cblock ( CharType const * data, size_t offset = 0 ) -> ice::u64

constexprnoexcept

cexpr_murmur2_x64_64() [1/2]

auto ice::detail::murmur2_hash::cexpr_murmur2_x64_64 ( std::string_view key, ice::u64 seed ) -> mm2_x64_64

constexprnoexcept

cexpr_murmur2_x64_64() [2/2]

auto ice::detail::murmur2_hash::cexpr_murmur2_x64_64 ( std::u8string_view key, ice::u64 seed ) -> mm2_x64_64

constexprnoexcept

cfinalize()

template<typename CharType>

auto ice::detail::murmur2_hash::cfinalize ( CharType const * data, size_t len, ice::u64 h ) -> ice::u64

constexprnoexcept

cfinalize_h()

template<typename CharType>

auto ice::detail::murmur2_hash::cfinalize_h ( CharType const * data, size_t key, ice::u64 h ) -> ice::u64

constexprnoexcept

cmix()

template<typename CharType>

auto ice::detail::murmur2_hash::cmix ( CharType const * data, size_t len, ice::u64 h, size_t offset = 0 ) -> ice::u64

constexprnoexcept

cmix_h()

template<typename CharType>

auto ice::detail::murmur2_hash::cmix_h ( CharType const * data, ice::u64 h, size_t offset ) -> ice::u64

constexprnoexcept

crotate()

auto ice::detail::murmur2_hash::crotate ( ice::u64 a ) -> ice::u64

constexprnoexcept

Variable Documentation

m

ice::u64 ice::detail::murmur2_hash::m = 0xc6a4a7935bd1e995

constexpr

r

ice::u32 ice::detail::murmur2_hash::r = 47

constexpr