From ffe760dc97bc83a68243bac8b9643550e06b80d0 Mon Sep 17 00:00:00 2001
From: blupper <33233478+TheBlupper@users.noreply.github.com>
Date: Thu, 6 Jun 2024 11:02:50 +0200
Subject: [PATCH] Document +1

---
 src/fpylll/algorithms/babai.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fpylll/algorithms/babai.py b/src/fpylll/algorithms/babai.py
index c02263db..9011b27f 100644
--- a/src/fpylll/algorithms/babai.py
+++ b/src/fpylll/algorithms/babai.py
@@ -54,7 +54,7 @@ def babai(B, t, *args, **kwargs):
 
     for j in range(B.ncols):
         A[-1, j] = t[j]
-    # precise norm
+    # precise norm, +1 to make sure it's not too small, too big doesn't matter
     A[-1, -1] = isqrt(sum(x**2 for x in A[-2])) + 1
 
     LLL.reduction(A, *args, **kwargs)  # now call LLL to run Babai