Hi,
Please consider the following :
x = as.integer(2^30-1)
[1] 1073741823
sum(c(rep(x, 10000000), rep(-x,9999999)))
[1] 1073741824 Tested on 2.15.2 and a recent R-devel (r62132).I'm wondering if s in isum could be LDOUBLE instead of double, like rsum, to fix this edge case?
https://svn.r-project.org/R/trunk/src/main/summary.c Thanks, Matthew ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
