Dear Developers, I believe I've found a bug in TNtuple.Fill() (and presumably in TTree as well) when only one branch is defined, to whit 1) the normal behaviour say for two branches works fine TNtuple *toto=new TNtuple("toto","toto","wah1:wah2"); toto->Fill(20.0,25.0); 2) for a single branch TNtuple *toto=new TNtuple("toto","toto","wah1"); toto->Fill(20.0) causes an error. While I'm at it what is the best way to store simple float arrays in ROOT files ? Since TArray does not derive from TObject I'm forced to use one branch ntuples. Kind regards Malcolm <>------------------------------------------------<> Malcolm W. J. Davidson CESBIO - UMR 5639 CNES-CNRS-UPS 18 Avenue Edouard Belin BP 2801 F-31401 Toulouse Cedex 4 France e-mail : davidson@cesbio.cnes.fr phone (33)(0)5.61.55.85.84 fax (33)(0)5.61.55.85.00 <>------------------------------------------------<>
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