Reduce gas in log256 (#3745)

2022-10-05 21:19:28 +01:00
parent b7aff6363f
commit 34e5863cd5
2 changed files with 2 additions and 1 deletions
--- a/contracts/utils/math/Math.sol
+++ b/contracts/utils/math/Math.sol
@ -339,7 +339,7 @@ library Math {
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
-            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
+            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
 }