address uint(-1) failure case

closes #48
2020-01-21 12:28:26 -05:00
parent f04890ef4c
commit d1c8612ea3
1 changed files with 1 additions and 1 deletions
--- a/contracts/libraries/Math.sol
+++ b/contracts/libraries/Math.sol
@ -7,7 +7,7 @@ library Math {

    function sqrt(uint y) internal pure returns (uint z) {
        if (y > 3) {
-            uint x = (y + 1) / 2;
+            uint x = y / 2 + 1;
            z = y;
            while (x < z) {
                z = x;