On Mon, Jan 28, 2019 at 10:25 AM Roland Scheidegger <srol...@vmware.com> wrote: > > I like it :-). > That said, there's some caveats as discussed on IRC - in particular for > gpus which don't do round-to-nearest-even for ordinary fp64 math (or > rounding mode could be set to something else manually) it won't do the > right thing.
I don't know that there are any. Round-to-even is the simplest thing to do in hardware. > And if you can have fast-math enabled, then it probably won't round at > all (at least I think it would be legal to eliminate the add/sub in this > case). > So I'm not entirely sure anymore if this can be used unconditionally. > But I can't really tell if those potential caveats actually matter, hence > Reviewed-by: Roland Scheidegger <srol...@vmware.com> Thanks! _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
