On 06/05/2019 18:21, Thomas Petzoldt wrote:
It seems that it's an old bug that was found in some other packages,
but at that time not optim:
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=15958
I think that the bug description is a little bit misleading. The bug is
not in fact that "<<-" produce a reference instead of a copy (that's
normal) but in fact that some C or Fortran code modifies a variable "in
place" without taking care if there are some references on it or not.
Serguei (just splitting hairs)
______________________________________________
R-devel@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-devel
