def dt64arr_to_periodarr(data, freq): if data is None: return data if isinstance(freq, basestring): base, mult = _gfc(freq) else: base, mult = freq return lib.dt64arr_to_periodarr(data.view('i8'), base, mult)
def dt64arr_to_periodarr(data, freq): if data.dtype != np.dtype('M8[ns]'): raise ValueError('Wrong dtype: %s' % data.dtype) if data is None: return data if isinstance(freq, basestring): base, mult = _gfc(freq) else: base, mult = freq return lib.dt64arr_to_periodarr(data.view('i8'), base)