From 45382fc26d871cc677d7fa0b4c3bc09673df3e8c Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Fri, 5 Dec 2025 11:11:58 +0100
Subject: [PATCH] fixed a bug in log_approx for bignum

---
 util.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util.cpp b/util.cpp
index 5b53edd6..487a7b7b 100644
--- a/util.cpp
+++ b/util.cpp
@@ -765,7 +765,7 @@ struct bignum {
     }
   
   ld log_approx() const {
-    return log(leading()) * log(BASE) * (isize(digits) - 1);
+    return log(leading()) + log(BASE) * (isize(digits) - 1);
     }
   
   ld approx_div(const bignum& b) const {