fixed a bug in log_approx for bignum

2025-12-20 12:58:06 +00:00 · 2025-12-05 11:11:58 +01:00
parent 5f0b41463e
commit 45382fc26d
1 changed files with 1 additions and 1 deletions
--- 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 {