♻️ Add missing pure modifiers to math functions (#235)

transmissions11 · May 17, 2022 · 0303df8 · 0303df8
1 parent d7f03ab
commit 0303df8
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/utils/BitwiseLib.sol b/src/utils/BitwiseLib.sol
@@ -9,7 +9,7 @@ library BitwiseLib {
     // @returns floor(log2(x)) if x is nonzero, otherwise 0.
     //          This is the same as the location of the highest set bit.
     // Consumes 232 gas. This could have been an 3 gas EVM opcode though.
-    function ilog2(uint256 x) internal returns (uint256 r) {
+    function ilog2(uint256 x) internal pure returns (uint256 r) {
         assembly {
             r := shl(7, lt(0xffffffffffffffffffffffffffffffff, x))
             r := or(r, shl(6, lt(0xffffffffffffffff, shr(r, x))))

diff --git a/src/utils/FixedPointMathLib.sol b/src/utils/FixedPointMathLib.sol
@@ -97,7 +97,7 @@ library FixedPointMathLib {
     //   reverts with `LnNegativeUndefined()` if x is negative, and with
     //   `Overflow()` if x is zero.
     // Consumes about 670 gas.
-    function lnWad(int256 x) internal returns (int256 r) {
+    function lnWad(int256 x) internal pure returns (int256 r) {
         unchecked {
             if (x < 1) {
                 if (x < 0) revert LnNegativeUndefined();