The subject tells almost all: See http://www.slac.stanford.edu/BFROOT/www/Physics/Analysis/AWG/InclusiveSL/islrecoil/QAcomparisons.html for the updated - compiled comparison code. Alessio ______________________________________________________ Alessio Sarti Universita' & I.N.F.N. Ferrara tel +39-0532-781928 Ferrara roma +39-06-49914338 SLAC +001-650-926-2972