Function ByteAs64

tensorflow/core/lib/hash/hash.cc:33–33

// 0xff is in case char is signed.
static inline uint32 ByteAs32(char c) { return static_cast<uint32>(c) & 0xff; }
static inline uint64 ByteAs64(char c) { return static_cast<uint64>(c) & 0xff; }

uint32 Hash32(const char* data, size_t n, uint32 seed) {
  // 'm' and 'r' are mixing constants generated offline.