From 3d383c8037b78d59c83881a44cf3ebe2376a7a59 Mon Sep 17 00:00:00 2001
From: andreivladbrg <andreivladbrg@gmail.com>
Date: Mon, 27 Mar 2023 16:37:55 +0300
Subject: [PATCH] fix: bit mask in exp2 function

---
 src/Common.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Common.sol b/src/Common.sol
index ae4394f0..cae22295 100644
--- a/src/Common.sol
+++ b/src/Common.sol
@@ -170,7 +170,7 @@ function exp2(uint256 x) pure returns (uint256 result) {
             }
         }
 
-        if (x & 0xFF00000000 > 0) {
+        if (x & 0xFF000000 > 0) {
             if (x & 0x80000000 > 0) {
                 result = (result * 0x10000000058B90BFC) >> 64;
             }