On Jan 7, 2013, at 11:22 , Greg Parker <gpar...@apple.com> wrote: > Note also that physics simulations will always need to be careful with the > error inherent to finite precision floating-point arithmetic. IEEE > specification of exact results for every operation wouldn't solve that.
We don't care so much about correct results as we do repeatable results. When you write a multiplayer Game Center game, you have to pass around initial conditions and expect the simulation to run deterministically across platforms. -- Rick _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
