Re: Please listen to Ulrich here...
On 2013-08-08 09:26:37 -0400, Ralph Baker Kearfott wrote:
> We currently have no specification that requires anything be done in
> hardware. Indeed, nor does 754-2008 have any such mandate. Thus,
> your proposed chip would be neither compliant nor non-compliant. A
> software system built for it may be compliant or non-compliant,
> depending on the attributes of that system. (People, please correct
> me if I am wrong.)
However CA is intended to be implemented in hardware. In software,
you would need to extract the sign, exponent and significand from
each FP datum... This should be compared to pure FP algorithms
(e.g. based on EFT's like TwoSum).
--
Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)