B {‹d ã@s*dZdd„Zd dd„Zdd„Zdd „Zd S) z"Various generic useful functions cCs&y t|ƒWnd}YnXd}|S)z×Check if the object is a sequence. Parameters ---------- o : any object The object to check Returns ------- is_seq : bool, scalar True if *o* is a sequence, False otherwise FT)Úlen)ÚoÚis_seq©rú\/work/yifan.wang/ringdown/master-ringdown-env/lib/python3.7/site-packages/healpy/cookbook.pyrs   rFcCs6t|ƒs dSx$|D]}|r"|dkst|ƒsdSqWdS)aoCheck if the object is a sequence of sequences. No check is done on the sizes of the sequences. Parameters ---------- o : any object The object to check allow_none : bool, optional Treat ``None`` entries as sequence. Returns ------- is_seq_of_seq : bool True if *o* is a sequence of sequences, False otherwise. FNT)r)rÚ allow_noneÚsrrrÚ is_seq_of_seqs  rcCsNt|ƒs dSd}x8|D]0}t|ƒs&dS|dkr6t|ƒ}t|ƒ|krdSqWdS)zòCheck if *o* is conformable to a 2d array. Parameters ---------- o : any object The object to check Returns ------- is_like2d : bool, scalar True if *o* is conformable to a 2d array, False otherwise. FNT)rr)rÚsizerrrrÚ is_like2d3s   r cCs"t|ƒrt|dƒ}nt|ƒ}|S)z»Returns the length of a single array or list of arrays Parameters ---------- o : either array or sequence of arrays Returns ------- length : length of array é)rr)rÚlengthrrrÚlen_array_or_arraysMs r N)F)Ú__doc__rrr r rrrrÚs