This code is part of a larger package written by N. Michel and M. V. Stoitsov
and published in Comput. Phys. Commun. 178:535 (2008).
https://doi.org/10.1016/j.cpc.2007.11.007

For further details, see: http://cpc.cs.qub.ac.uk/summaries/AEAE_v1_0.html

For details about the liscense, see: http://cpc.cs.qub.ac.uk/licence/licence.html

Distribution in the context of this specific project has been possible thanks to
the written permission of the author (N. Michel).