On Mon, 2014-10-06 at 20:39 +0200, Nicola Marzari wrote: > also, not sure the ! are read correctly they are, on all compilers I know P. -- Paolo Giannozzi, Dept. Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222