Fix numpy table entry dtype on 64bit linux systems

tabor_control/__init__.py

@@ -36,8 +36,9 @@ __version__ = "0.1"
 
 
 TABLE_ENTRY_FORMAT = struct.Struct('< L H B x')
-TABLE_ENTRY_DTYPE = np.dtype([('repeats', 'L'), ('segment_no', 'H'), ('jump_flag', 'B')], align=True)
-assert TABLE_ENTRY_FORMAT.size == TABLE_ENTRY_DTYPE.itemsize
+TABLE_ENTRY_DTYPE = np.dtype([('repeats', '<u4'), ('segment_no', '<u2'), ('jump_flag', '|u1')], align=True)
+assert TABLE_ENTRY_FORMAT.size == TABLE_ENTRY_DTYPE.itemsize == 8
+assert [TABLE_ENTRY_FORMAT.unpack(bytes(range(1, 9)))] == np.frombuffer(bytes(range(1, 9)), dtype=TABLE_ENTRY_DTYPE).tolist()
 
 
 class ParanoiaLevel(enum.Enum):