On Thursday 30 June 2011 10:24:00 Amaury Forgeot d'Arc wrote: > Hi, > > 2011/6/30 Alexandre Fayolle <[email protected]>: > > I just came across > > http://www.serpentine.com/blog/2011/06/29/here-be-dragons- > > advances-in-problems-you-didnt-even-know-you-had/ which talk about a > > paper submitted last year about a fast float -> str conversion routine. > > I don't know what is currently used in pypy (or in Python actually), > > probably the underlying libc's implementation, but this could be > > something interesting for people writing lots of floats in csv files. > > Someone reported the same post on the cpython tracker, > and I've just filed a separate issue about this idea. > http://bugs.python.org/issue12450 > > Note that cpython2.7 (and pypy 1.5) already uses a specific algorithm > to convert float to strings: a slightly customized version of David Gay's > dtoa.c: http://www.netlib.org/fp/dtoa.c > it is already faster and more accurate than many libc implementations.
Nice! Thanks a lot for the time machinesque quick answer :-) -- Alexandre Fayolle LOGILAB, Paris (France) Formations Python, CubicWeb, Debian : http://www.logilab.fr/formations Développement logiciel sur mesure : http://www.logilab.fr/services Informatique scientifique: http://www.logilab.fr/science _______________________________________________ pypy-dev mailing list [email protected] http://mail.python.org/mailman/listinfo/pypy-dev
