On Sat, 21 Oct 2006, Philipp Pagel wrote: > On Sat, Oct 21, 2006 at 11:04:13AM +0200, Patrick Giraudoux wrote: >> Which means that actually sum(x) is NOT considered equal to 1... >> >> Any idea about what is going wrong? > > Others have already pointed out the problem and I would like to add a > reference to a classical paper on this topic: > > David Goldberg > What Every Computer Scientist Should Know About Floating-Point Arithmetic > Computing Surveys, 1991 > > Reprints can be found in many places online - e.g. here: >
Yes, and one place is linked from the FAQ entry. -thomas ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.