Regularize div by zero error

xgcm · Jan 24, 2025 · 2b6130d · 2b6130d
1 parent a73be2f
commit 2b6130d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xhistogram/core.py b/xhistogram/core.py
@@ -112,7 +112,7 @@ def _determine_block_chunks(bin_indices, block_size):
             # automatically pick a chunk size
             # this a a heueristic without much basis
             _MAX_CHUNK_SIZE = 10_000_000
-            block_size = min(_MAX_CHUNK_SIZE // N, M)
+            block_size = min(_MAX_CHUNK_SIZE // N + 1, M)
     assert isinstance(block_size, int)
     num_chunks = M // block_size
     block_chunks = num_chunks * (block_size,)