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Update integral hashing to use hash_mix

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This commit is contained in:
Peter Dimov
2022-09-16 19:16:45 +03:00
parent eee5e3b7fd
commit 8adcaffcc2
1 changed files with 8 additions and 8 deletions
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16
include/boost/container_hash/hash.hpp
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@@ -102,8 +102,8 @@ namespace boost
{ {
std::size_t seed = 0; std::size_t seed = 0;
seed ^= static_cast<std::size_t>( v >> 32 ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v >> 32 ) + hash_detail::hash_mix( seed );
seed ^= static_cast<std::size_t>( v ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v ) + hash_detail::hash_mix( seed );
return seed; return seed;
} }
@@ -115,10 +115,10 @@ namespace boost
{ {
std::size_t seed = 0; std::size_t seed = 0;
seed ^= static_cast<std::size_t>( v >> 96 ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v >> 96 ) + hash_detail::hash_mix( seed );
seed ^= static_cast<std::size_t>( v >> 64 ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v >> 64 ) + hash_detail::hash_mix( seed );
seed ^= static_cast<std::size_t>( v >> 32 ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v >> 32 ) + hash_detail::hash_mix( seed );
seed ^= static_cast<std::size_t>( v ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v ) + hash_detail::hash_mix( seed );
return seed; return seed;
} }
@@ -130,8 +130,8 @@ namespace boost
{ {
std::size_t seed = 0; std::size_t seed = 0;
seed ^= static_cast<std::size_t>( v >> 64 ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v >> 64 ) + hash_detail::hash_mix( seed );
seed ^= static_cast<std::size_t>( v ) + ( seed << 6 ) + ( seed >> 2 ); seed = static_cast<std::size_t>( v ) + hash_detail::hash_mix( seed );
return seed; return seed;
} }