change dtypes of seqnames to unsigned integers

BiocPy · Oct 23, 2024 · 3d3fa68 · 3d3fa68
1 parent b5d005d
commit 3d3fa68
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/genomicranges/GenomicRanges.py b/src/genomicranges/GenomicRanges.py
@@ -223,15 +223,15 @@ def _sanitize_seqnames(self, seqnames, seqinfo):
             seqnames = np.asarray([self._reverse_seqindex[x] for x in seqnames])
 
             if len(seqnames) == 0:
-                seqnames = seqnames.astype(np.int8)
+                seqnames = seqnames.astype(np.uint8)
             else:
                 num_uniq = np.max(seqnames)
                 if num_uniq < 2**8:
-                    seqnames = seqnames.astype(np.int8)
+                    seqnames = seqnames.astype(np.uint8)
                 elif num_uniq < 2**16:
-                    seqnames = seqnames.astype(np.int16)
+                    seqnames = seqnames.astype(np.uint16)
                 elif num_uniq < 2**32:
-                    seqnames = seqnames.astype(np.int32)
+                    seqnames = seqnames.astype(np.uint32)
 
         return seqnames