Add +1 in minimizer normalization to avoid divide by 0

nextstrain · Dec 20, 2023 · 5030543 · 5030543
1 parent bdae2aa
commit 5030543
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/scripts/lib/minimizer.py b/scripts/lib/minimizer.py
@@ -71,7 +71,7 @@ def make_ref_search_index(refs):
       "meta": {
         "name": name,
         "length": len(ref.seq),
-        "nMinimizers": len(minimizers)
+        "nMinimizers": len(minimizers) + 1  # +1 to not divide by zero
       }
     })