code: def add(x, y):
      """Returns x + y from BinarySharedTensors `x` and `y`"""
      S = x & y
      P = x ^ y
      carry, _ = __SPK_circuit(S, P)
      return P ^ (carry << 1)
  
file_path: FATE/python/fate/arch/protocol/mpc/primitives/circuit.py
imports: import functools
  import math
  import torch
label_desc: Use image node_id 6 for calling a global function with example usage: add(x, y) and returns: unknown