`AT_single_impact_local_dose_distrib()` is partially unclear

[nbassler]

in AT_single_impact_local_dose_distrib() from AT_SuccessiveConvolutions.h

 * @param[in]  f1_parameters         n field component characteristics (array of size 8) // TODO in R package should also work for 8*n, but is not working
``
what is supposed to be in this array?