[Cfp-interest 1774] Re: Exact subnormal results

Fred J. Tydeman tydeman at tybor.com
Tue Sep 22 17:07:32 PDT 2020


On Tue, 22 Sep 2020 15:43:03 -0700 Jim Thomas wrote:
>
>> Also, a range error occurs if the mathematical result is beyond the range where all values can be represented in an object of the specified type, to the full precision of the type.footnote
>> footnote: Exact subnormal results are a range error.
>> 
>Consider changing the footnote to "A range error occurs if the function result is subnormal, even if the mathematical result is represented exactly in the type."

I believe it is possible to get an exact range error near overflow for double-double.

PS.  I got 6 copies of your email.  3 direct to me and 3 via the list (each with different number).



---
Fred J. Tydeman        Tydeman Consulting
tydeman at tybor.com      Testing, numerics, programming
+1 (702) 608-6093      Vice-chair of PL22.11 (ANSI "C")
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