Dear Pasha, Correct. However, note that both TPythia::ImportParticles (Pythia5) and TPythia6::ImportParticles do not use /hepevt/, but /lujets/ Thse commons are respectively dimensionned to 2000 (Pythia5) and 4000 (Pythia6). Rene Brun On Sat, 13 Jan 2001, Pasha Murat (630)840-8237 FNAL (630)859-3463 home wrote: > Dear ROOTers, > > I'd like to point out that ROOT is being distributed with the definition > of /HEPEVT/ corresponding to old Pythia version 5, accomodating for 2000 > particles. New Pythia and the present "standard" (-:) definition of > /HEPEVT/ defines the particle list in there to be 4000 particles long. > After several times of spending an hour on learning this again an again, > I think that it makes a lot of sense to have a preprocessor > conditional flag in Hepevt.h, such that it would be possible to > choose the right dimensions in this interface include file when > building the ROOT libraries. > best, Pasha >
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