hadley wickham wrote: > It's more than that as though, as floating point addition is no longer > guaranteed to be commutative or associative, and multiplication does > not distribute over addition. Many concepts that are clear cut in > pure math become fuzzy in floating point math - equality, singularity > of matrices etc etc.
I've just noticed that R doesn't calculate e^pi - pi as equal to 20: > exp(pi)-pi == 20 [1] FALSE See: http://www.xkcd.com/217/ Barry ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
