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Merge pull request #74 from n8sh/128-bit-fnv

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Add FNV constants for size_t == ucent
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Eugen Wissner 2018-10-25 20:05:21 +02:00 committed by GitHub
commit 64ceb0330c
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1 changed files with 5 additions and 0 deletions
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source/tanya/hash/lookup.d
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@ -29,6 +29,11 @@ private struct FNV
enum ulong offsetBasis = 14695981039346656037UL; enum ulong offsetBasis = 14695981039346656037UL;
enum ulong prime = 1099511628211UL; enum ulong prime = 1099511628211UL;
} }
else static if (size_t.sizeof == 16)
{
enum size_t offsetBasis = (size_t(0x6c62272e07bb0142UL) << 64) + 0x62b821756295c58dUL;
enum size_t prime = (size_t(1) << 88) + (1 << 8) + 0x3b;
}
else else
{ {
static assert(false, "FNV requires at least 32-bit hash length"); static assert(false, "FNV requires at least 32-bit hash length");