Function rotateLeft

src/sha3.cpp:52–55

rotate left and wrap around to the right

  /// rotate left and wrap around to the right
  inline uint64_t rotateLeft(uint64_t x, uint8_t numBits)
  {
    return (x << numBits) | (x >> (64 - numBits));
  }

  /// convert litte vs big endian
  inline uint64_t swap(uint64_t x)