F99 === .. currentmodule:: dust_extinction.parameter_averages .. autoclass:: F99 :show-inheritance: .. rubric:: Attributes Summary .. autosummary:: ~F99.Rv_range ~F99.x_range .. rubric:: Methods Summary .. autosummary:: ~F99.evaluate .. rubric:: Attributes Documentation .. autoattribute:: Rv_range .. autoattribute:: x_range .. rubric:: Methods Documentation .. automethod:: evaluate