[R6RS] IEEE 754 wizard help needed

Michael Sperber sperber
Mon Jul 4 15:37:19 EDT 2005


dyb at cs.indiana.edu writes:

>> I should have been more clear: Assume the underlying representation
>> *is* IEEE 754.  According to that, (sqrt -0.0) => -0.0, I believe, so
>> that doesn't help.
>
> If the underlying representation is IEEE 754, I think we should require
> (/ 1.0 0.0) to evaluate to +inf.0.  Either way, (sqrt -0.0) might produce
> an inexact zero imaginary component.

Of course---this is for the reference implementation in terms of R5RS.
(Which is why it said "R5RS" in the original email.)

-- 
Cheers =8-} Mike
Friede, V?lkerverst?ndigung und ?berhaupt blabla


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