Function Rl-Return

Part of:

package org.rl-community.rl-glue-codec
( rl-return )
Return the cumulative total reward of the current or just completed episode.
The collection of all the rewards received in an episode (the return) is
done within rl-return however, any discounting of rewards must be done
inside the environment or agent.

PARAMETERS:
exp : experiment in use [experiment]

RETURNS:
cummulated total reward [float]