from numpy.oldnumeric.linear_algebra import *
import numpy.oldnumeric.linear_algebra as nol
__all__ = list(nol.__all__)
__all__ += ['qr_decomposition']
from numpy.linalg import qr
def qr_decomposition(a, mode='full'):
res = _qr(a, mode)
if mode == 'full':
return res
return (None, res)