[Cfp-interest 1805] Re: Exact subnormal results
David Hough CFP
pcfp at oakapple.net
Wed Oct 21 06:53:29 PDT 2020
>> The second case means that underflow can't be detected just by looking
>> for a subnormal or zero result. Worse, in binary, a minimum normalized
>> result handled by default might be accompanied by an underflow flag in
>> some implementations and not others.
> Can you point me somewhere I can read a bit more on the above?
https://754r.ucbtest.org/background/exceptions.txt
Unfortunately 754 default underflow handling doesn't make a lot of sense
without the context of alternate exception handling, which C so far avoided.
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