From b5fdb62aff691bddaaffecc84f1318841667530a Mon Sep 17 00:00:00 2001
From: Paul Razvan Berg <paul.razvan.berg@gmail.com>
Date: Mon, 27 Mar 2023 17:53:22 +0300
Subject: [PATCH] Merge pull request #179 from andreivladbrg/andrei/fix-exp2

Fix bit mask in `Common.exp2` function
---
 src/Common.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Common.sol b/src/Common.sol
index 8c9abda8..e231aed8 100644
--- a/src/Common.sol
+++ b/src/Common.sol
@@ -437,7 +437,7 @@ function prbExp2(uint256 x) pure returns (uint256 result) {
             }
         }
 
-        if (x & 0xFF00000000 > 0) {
+        if (x & 0xFF000000 > 0) {
             if (x & 0x80000000 > 0) {
                 result = (result * 0x10000000058B90BFC) >> 64;
             }