galpy.df.Edf.__call__

Edf.__call__(call_in, t=None)

NAME:

__call__

PURPOSE:

evaluate the DF

INPUT:

Either:

1. E - the energy
2. Some orbit instance, whose E(t) method will be called; t is an optional second input

OUTPUT:

df(E) or df(Orbit(t))

HISTORY:

2010-07-12 - Written - Bovy (NYU)