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    ".. _division:\n",
    "\n",
    "Division\n",
    "========\n",
    "\n",
    "In this notebook we demonstrate the division functionality available within cicada, by computing :math:`37 / 7 = 5.2857142857`.  As usual, the result will be an approximation limited by the precision of the fixed point representation of our operands.\n",
    "\n",
    "Note that the following is a true `private` division where both the `dividend` and the `divisor` are secret-shared values."
   ]
  },
  {
   "cell_type": "code",
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    {
     "name": "stderr",
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     "text": [
      "INFO:root:Player 0 dividend: 37\n",
      "INFO:root:Player 1 divisor: 7\n",
      "INFO:root:Player 0 quotient: 5.2854766845703125\n",
      "INFO:root:Player 1 quotient: 5.2854766845703125\n"
     ]
    }
   ],
   "source": [
    "import logging\n",
    "\n",
    "import numpy\n",
    "\n",
    "from cicada.additive import AdditiveProtocolSuite\n",
    "from cicada.communicator import SocketCommunicator\n",
    "from cicada.logger import Logger\n",
    "\n",
    "logging.basicConfig(level=logging.INFO)\n",
    "\n",
    "def main(communicator):\n",
    "    log = Logger(logging.getLogger(), communicator)\n",
    "    protocol = AdditiveProtocolSuite(communicator)\n",
    "\n",
    "    # Player 0 will provide the secret dividend.\n",
    "    a = numpy.array(37) if communicator.rank == 0 else None\n",
    "    # Player 1 will provide the secret divisor.\n",
    "    b = numpy.array(7) if communicator.rank == 1 else None\n",
    "    \n",
    "    log.info(f\"Player 0 dividend: {a}\", src=0)\n",
    "    log.info(f\"Player 1 divisor: {b}\", src=1)\n",
    "\n",
    "    # Compute the quotient\n",
    "    a_share = protocol.share(src=0, secret=a, shape=())\n",
    "    b_share = protocol.share(src=1, secret=b, shape=())\n",
    "    quotient_share = protocol.divide(a_share, b_share)\n",
    "    quotient = protocol.reveal(quotient_share)\n",
    "    log.info(f\"Player {communicator.rank} quotient: {quotient}\")\n",
    "\n",
    "SocketCommunicator.run(world_size=2, fn=main);"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "As you can see, the result revealed to both players is a close approximation to the expected value."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. seealso:: :ref:`multiplication`"
   ]
  }
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