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Re: reading NaNs

This page is part of the web mail archives of SRFI 77 from before July 7th, 2015. The new archives for SRFI 77 contain all messages, not just those from before July 7th, 2015.

"John.Cowan" <jcowan@xxxxxxxxxxxxxxxxx> writes:

>> I am very confident that the experts who designed that standard will
>> someday need a new one.
> The same applies to the Scheme standard.

Right.  But the nature of IEEE arithmetic is that it has no room for
backward compatible changes.  

>> 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.
> I think that's hopeless.  If there is fundamental change, it will be in
> fundamentally unforeseeable ways.

There are kinds of change (changes in the definitions of particular
freaky cases of functions, or of bitfield lengths, for example) that
we can plan for.