From d67e2f78b77c0739caa8c6a915685aa8961a519c Mon Sep 17 00:00:00 2001 From: bunnei Date: Tue, 21 Jul 2015 22:54:38 -0400 Subject: Common: Added MurmurHash3 hash function for general-purpose use. --- src/common/hash.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/common/hash.h (limited to 'src/common/hash.h') diff --git a/src/common/hash.h b/src/common/hash.h new file mode 100644 index 000000000..a3850be68 --- /dev/null +++ b/src/common/hash.h @@ -0,0 +1,25 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +namespace Common { + +void MurmurHash3_128(const void* key, int len, u32 seed, void* out); + +/** + * Computes a 64-bit hash over the specified block of data + * @param data Block of data to compute hash over + * @param len Length of data (in bytes) to compute hash over + * @returns 64-bit hash value that was computed over the data block + */ +static inline u64 ComputeHash64(const void* data, int len) { + u64 res[2]; + MurmurHash3_128(data, len, 0, res); + return res[0]; +} + +} // namespace Common -- cgit v1.2.3