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| author | F. Eugene Aumson <feuGeneA@users.noreply.github.com> | 2018-09-12 07:00:11 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-09-12 07:00:11 +0800 |
| commit | cbb5a425dfb45d1dfda3579548d6b3f70dfca166 (patch) | |
| tree | 8751979ad70ed0eb61dfda5a954bb9e1bc3d5c3b /packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol | |
| parent | 800dd5fb4f0ab21388440a46aef21cd0cf0801c3 (diff) | |
| parent | 45b68832aa3eb5c09db33140468ab737114be9e3 (diff) | |
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Merge branch 'development' into sol-doc
Diffstat (limited to 'packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol')
| -rw-r--r-- | packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol index 57fd53f29..c0b85ea10 100644 --- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol +++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol @@ -24,7 +24,6 @@ import "../../../utils/SafeMath/SafeMath.sol"; contract LibMath is SafeMath { - /// @dev Calculates partial value given a numerator and denominator rounded down. /// Reverts if rounding error is >= 0.1% /// @param numerator Numerator. @@ -206,7 +205,11 @@ contract LibMath is // 1000 * remainder < numerator * target // so we have a rounding error iff: // 1000 * remainder >= numerator * target - uint256 remainder = mulmod(target, numerator, denominator); + uint256 remainder = mulmod( + target, + numerator, + denominator + ); isError = safeMul(1000, remainder) >= safeMul(numerator, target); return isError; } @@ -238,8 +241,11 @@ contract LibMath is return false; } // Compute remainder as before - uint256 remainder = mulmod(target, numerator, denominator); - // TODO: safeMod + uint256 remainder = mulmod( + target, + numerator, + denominator + ); remainder = safeSub(denominator, remainder) % denominator; isError = safeMul(1000, remainder) >= safeMul(numerator, target); return isError; |