{
    "Function": "_getPnlWhileReducingPosition",
    "File": "contracts/AMM.sol",
    "Parent Contracts": [
        "contracts/legos/Governable.sol",
        "node_modules/@openzeppelin/contracts/proxy/utils/Initializable.sol",
        "contracts/legos/Governable.sol",
        "contracts/Interfaces.sol"
    ],
    "High-Level Calls": [
        "SafeCast",
        "SafeCast",
        "SafeCast",
        "SafeCast",
        "SafeCast"
    ],
    "Internal Calls": [
        "abs",
        "_getPnlToBeRealized",
        "abs",
        "abs",
        "abs",
        "abs",
        "_getPnlToBeRealized",
        "abs",
        "abs"
    ],
    "Library Calls": [
        "toUint256",
        "toUint256",
        "toUint256",
        "toUint256",
        "toUint256"
    ],
    "Low-Level Calls": [],
    "Code": "function _getPnlWhileReducingPosition(\n        int256 takerPosition,\n        uint takerOpenNotional,\n        int256 makerPosition,\n        uint newNotional\n    ) internal pure returns (int256 pnlToBeRealized) {\n        /**\n            makerNotional = newNotional * makerPos / totalPos\n            if (side remains same)\n                reducedOpenNotional = takerOpenNotional * makerPos / takerPos\n                pnl = makerNotional - reducedOpenNotional\n            else (reverse position)\n                closedPositionNotional = newNotional * takerPos / totalPos\n                pnl = closePositionNotional - takerOpenNotional\n         */\n\n        uint totalPosition = abs(makerPosition + takerPosition).toUint256();\n        if (abs(takerPosition) > abs(makerPosition)) { // taker position side remains same\n            uint reducedOpenNotional = takerOpenNotional * abs(makerPosition).toUint256() / abs(takerPosition).toUint256();\n            uint makerNotional = newNotional * abs(makerPosition).toUint256() / totalPosition;\n            pnlToBeRealized = _getPnlToBeRealized(takerPosition, makerNotional, reducedOpenNotional);\n        } else { // taker position side changes\n            // @todo handle case when totalPosition = 0\n            uint closedPositionNotional = newNotional * abs(takerPosition).toUint256() / totalPosition;\n            pnlToBeRealized = _getPnlToBeRealized(takerPosition, closedPositionNotional, takerOpenNotional);\n        }\n    }"
}