Re: Making Lemonade (Floating-point format changes)

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Sujet : Re: Making Lemonade (Floating-point format changes)
De : already5chosen (at) *nospam* yahoo.com (Michael S)
Groupes : comp.arch
Date : 21. May 2024, 08:46:59
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <20240521104659.00003fa0@yahoo.com>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
User-Agent : Claws Mail 3.19.1 (GTK+ 2.24.33; x86_64-w64-mingw32)
On Mon, 20 May 2024 21:17:15 +0200
Terje Mathisen <terje.mathisen@tmsw.no> wrote:
 
As you note, it is only when using RoundToPlus (or Minus) Infinity
that an arbitrary small product can still produce a non-zero result.
 
Terje
 
 

I think, we were discussing multiplication stage of FMA rather than
multiplication proper.
In case of FMA, zeroness (zeroity ?) and sign of tiny product matter in
all standard IEEE rounding mode except default (RNE).



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15 May 24 i`* Re: Making Lemonade (Floating-point format changes)2Michael S
15 May 24 i `- Re: Making Lemonade (Floating-point format changes)1BGB
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20 May 24    i     ii `* Re: Making Lemonade (Floating-point format changes)28Terje Mathisen
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