{
    "Function": "getTickAtSqrtRatio",
    "File": "contracts/libraries/UniswapV3OracleLibrary/TickMath.sol",
    "Parent Contracts": [],
    "High-Level Calls": [],
    "Internal Calls": [
        "require(bool,string)",
        "getSqrtRatioAtTick"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) {\n        // second inequality must be < because the price can never reach the price at the max tick\n        require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R');\n        uint256 ratio = uint256(sqrtPriceX96) << 32;\n\n        uint256 r = ratio;\n        uint256 msb = 0;\n\n        assembly {\n            let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))\n            msb := or(msb, f)\n            r := shr(f, r)\n        }\n        assembly {\n            let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF))\n            msb := or(msb, f)\n            r := shr(f, r)\n        }\n        assembly {\n            let f := shl(5, gt(r, 0xFFFFFFFF))\n            msb := or(msb, f)\n            r := shr(f, r)\n        }\n        assembly {\n            let f := shl(4, gt(r, 0xFFFF))\n            msb := or(msb, f)\n            r := shr(f, r)\n        }\n        assembly {\n            let f := shl(3, gt(r, 0xFF))\n            msb := or(msb, f)\n            r := shr(f, r)\n        }\n        assembly {\n            let f := shl(2, gt(r, 0xF))\n            msb := or(msb, f)\n            r := shr(f, r)\n        }\n        assembly {\n            let f := shl(1, gt(r, 0x3))\n            msb := or(msb, f)\n            r := shr(f, r)\n        }\n        assembly {\n            let f := gt(r, 0x1)\n            msb := or(msb, f)\n        }\n\n        if (msb >= 128) r = ratio >> (msb - 127);\n        else r = ratio << (127 - msb);\n\n        int256 log_2 = (int256(msb) - 128) << 64;\n\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(63, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(62, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(61, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(60, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(59, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(58, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(57, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(56, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(55, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(54, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(53, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(52, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(51, f))\n            r := shr(f, r)\n        }\n        assembly {\n            r := shr(127, mul(r, r))\n            let f := shr(128, r)\n            log_2 := or(log_2, shl(50, f))\n        }\n\n        int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number\n\n        int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128);\n        int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128);\n\n        tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow;\n    }"
}