[Cfp-interest 2426] Re: HAS_SUBNORM paper

[Fred J. Tydeman]

On Thu, 21 Apr 2022 17:44:53 -0700 Jim Thomas wrote:
>
>Another problem is that footnotes 27 and 28 seem to give inconsistent interpretations.  For example, with FTZ and not 
>DAZ, footnote 27 implies type_HAS_SUBNORM is intended to be -1 (indeterminant) but footnote 28 implies 
>type_HAS_SUBNORM is intended to be 0 (absent). Likewise for IEC 60559 arithmetic with abrupt underflow. 
>
>Even with both DAZ and FTZ, footnote 27 might suggest type_HAS_SUBNORM is intended to be -1, because DAZ and 
>FTZ don't apply to bit operations absolute value. 
>
>Footnotes are not normative, but here they're the only clues for what it is meant by "support subnormal numbers".

Agreed.  I have uploaded to our wiki N29XX.HTM as a first pass of
the second version of the HAS_SUBNORM paper.  Comments welcome.


---
Fred J. Tydeman        Tydeman Consulting
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