On 8 janv. 2013, at 00:24, Rick Mann wrote: > > On Jan 7, 2013, at 11:22 , Greg Parker 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.
This is a key point that shouldn't be forgotten. > 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. That wasn't clear (at least for me) in your original message. It is also a key point. In that case, you indeed don't need accuracy. Why not go for one of Vincent Habchi's solutions then ? That could give you more control over the results. Jean _______________________________________________ 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
