diff options
Diffstat (limited to 'packages/contracts')
| -rw-r--r-- | packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol | 25 |
1 files changed, 20 insertions, 5 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 7d58f70ce..0e0fba5d2 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 @@ -39,7 +39,10 @@ contract LibMath is pure returns (uint256 partialAmount) { - require(denominator > 0, "DIVISION_BY_ZERO"); + require( + denominator > 0, + "DIVISION_BY_ZERO" + ); partialAmount = safeDiv( safeMul(numerator, target), @@ -62,13 +65,19 @@ contract LibMath is pure returns (uint256 partialAmount) { - require(denominator > 0, "DIVISION_BY_ZERO"); + require( + denominator > 0, + "DIVISION_BY_ZERO" + ); // safeDiv computes `floor(a / b)`. We use the identity (a, b integer): // ceil(a / b) = floor((a + b - 1) / b) // To implement `ceil(a / b)` using safeDiv. partialAmount = safeDiv( - safeAdd(safeMul(numerator, target), safeSub(denominator, 1)), + safeAdd( + safeMul(numerator, target), + safeSub(denominator, 1) + ), denominator ); return partialAmount; @@ -88,7 +97,10 @@ contract LibMath is pure returns (bool isError) { - require(denominator > 0, "DIVISION_BY_ZERO"); + require( + denominator > 0, + "DIVISION_BY_ZERO" + ); // The absolute rounding error is the difference between the rounded // value and the ideal value. The relative rounding error is the @@ -135,7 +147,10 @@ contract LibMath is pure returns (bool isError) { - require(denominator > 0, "DIVISION_BY_ZERO"); + require( + denominator > 0, + "DIVISION_BY_ZERO" + ); // See the comments in `isRoundingError`. if (target == 0 || numerator == 0) { |