{
  "device": "Device(cpu, 0)",
  "cpu_seconds": 0.00784,
  "cases": [
    {
      "mode": "before",
      "first_training": [
        [
          -0.0
        ],
        [
          0.0
        ]
      ],
      "first_state": "Infinity",
      "second_training": [
        [
          -1.0
        ],
        [
          1.0
        ]
      ],
      "second_state": "Infinity",
      "eval_output": [
        [
          -0.0
        ],
        [
          0.0
        ]
      ],
      "expected_first_state": 9216.875,
      "expected_second_state": 8065.015625,
      "expected_eval": [
        -0.011135183881370128,
        0.011135183881370128
      ],
      "checks": {
        "first_training": false,
        "second_training": true,
        "first_state": false,
        "second_state": false,
        "eval": false
      }
    },
    {
      "mode": "after",
      "first_training": [
        [
          -1.0
        ],
        [
          1.0
        ]
      ],
      "first_state": 9216.875,
      "second_training": [
        [
          -1.0
        ],
        [
          1.0
        ]
      ],
      "second_state": 8065.015625,
      "eval_output": [
        [
          -0.011135183274745941
        ],
        [
          0.011135183274745941
        ]
      ],
      "expected_first_state": 9216.875,
      "expected_second_state": 8065.015625,
      "expected_eval": [
        -0.011135183881370128,
        0.011135183881370128
      ],
      "checks": {
        "first_training": true,
        "second_training": true,
        "first_state": true,
        "second_state": true,
        "eval": true
      }
    }
  ],
  "direct_statistics": {
    "squares": [
      36864.0,
      36864.0
    ],
    "sum_squares": "Infinity",
    "biased_variance": "Infinity",
    "expected_biased_variance": 36864.0,
    "note": "Sum overflows before division by two; training also fails."
  }
}