a ¬J5d]ã@sHdZddlmZmZddlZdejeejeejejfdœdd„ZdS)z2Common data processing tasks between all distancesé)ÚOptionalÚTupleN)ÚsourcesÚ destinationsÚreturncCs(|dur |}t |¡}t |¡}||fS)z³Pre-process input This function ensures ``sources`` and ``destinations`` have at least two dimensions, and if ``destinations`` is `None`, set it equal to ``sources``. N)ÚnpZ atleast_2d)rr©rú`/var/www/html/django/DPS/env/lib/python3.9/site-packages/python_tsp/distances/data_processing.pyÚ process_inputs   r )N)Ú__doc__ÚtypingrrÚnumpyrZndarrayr rrrr Úsÿ þ