Optimized gas costs in ceilDiv (#4553)

2023-11-23 23:31:14 +08:00
parent 0950532d9a
commit e5fb718d40
3 changed files with 18 additions and 6 deletions
--- a/test/utils/math/Math.t.sol
+++ b/test/utils/math/Math.t.sol
@ -16,10 +16,11 @@ contract MathTest is Test {
        if (result == 0) {
            assertEq(a, 0);
        } else {
-            uint256 maxdiv = UINT256_MAX / b;
-            bool overflow = maxdiv * b < a;
-            assertTrue(a > b * (result - 1));
-            assertTrue(overflow ? result == maxdiv + 1 : a <= b * result);
+            uint256 expect = a / b;
+            if (expect * b < a) {
+                expect += 1;
+            }
+            assertEq(result, expect);
        }
    }