find_dupes: build aHash matrix as uint64 before xor (int64 array ctor overflows)

2026-10-18 18:53:58 -04:00
parent 107f48d118
commit de177c8f59
1 changed files with 2 additions and 2 deletions
@@ -134,8 +134,8 @@ def main():
    # 'same show, different shot'.
    close = ham <= args.max_dist

-    amat = np.array([data[f][1] for f in names], dtype=np.int64)
-    xa = (amat[:, None] ^ amat[None, :])
+    amat = np.array([data[f][1] for f in names], dtype=np.uint64)
+    xa = (amat[:, None] ^ amat[None, :]).astype(np.int64)
    aham = np.zeros(xa.shape, dtype=np.int16)
    for b in range(64):
        aham += ((xa >> b) & 1).astype(np.int16)