ó ]¹èZc@s(dZddlTddlTddlTdS(sÜ This subpackage contains classes and functions for defining and converting between different function units and quantities, i.e., using units which are some function of a physical unit, such as magnitudes and decibels. i(t*N(t__doc__tcoret logarithmictunits(((s>lib/python2.7/site-packages/astropy/units/function/__init__.pyts