currently :
- ONLY for all-electron calculations
- ONLY for non-relativistic case
- determination of the exchange potential in the tail region tends
to be ill defined ... rmax not too large are tipically needed
sdg
git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@2097 c92efa57-630b-4861-b058-cf58834340f0
degironc