v3-core/contracts/test/FullMathTest.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity =0.7.6;

import '../libraries/FullMath.sol';

contract FullMathTest {
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 z
    ) external pure returns (uint256) {
        return FullMath.mulDiv(x, y, z);
    }

    function mulDivRoundingUp(
        uint256 x,
        uint256 y,
        uint256 z
    ) external pure returns (uint256) {
        return FullMath.mulDivRoundingUp(x, y, z);
    }
}