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"John.Cowan" <jcowan@xxxxxxxxxxxxxxxxx> writes: > Thomas Bushnell BSG scripsit: > >> How about the user expects that, if he has requested an >> IEEE-conformant environment, he will get it? > > Could you explain the concrete benefits of having a flonum system > available which is non-IIEEE? (Fast execution on processors which > provide hardware flonums that are non-IEEE, now extremely rare, excepted.) Well, there's those hardware options, of course. :) I, for one, am not confident that IEEE arithmetic is perfect. I am very confident that the experts who designed that standard will someday need a new one. I would like to standardize Scheme's use in such a way that the language doesn't need to fundamentally change anytime such a change happens. Thomas