[Mesa-dev] About border values in fp64 conversion tests

Andres Gomez agomez at igalia.com
Thu Mar 17 12:44:38 UTC 2016

On Tue, 2016-03-15 at 12:38 -0400, Ilia Mirkin wrote:
> Not really an answer to your question, but you may be interested in
> this model of the NVIDIA Tesla FPU that mwk RE'd, including fp64
> (which was available on the G200 only in that series). I have no
> reason to believe that Fermi+ are substantially different:
> https://github.com/envytools/envytools/blob/master/nvhw/fp.c
> You can see how the instructions map to these here:
> https://github.com/envytools/envytools/blob/master/hwtest/g80_fp64.c
> Hope this helps (or is at least a little bit interesting).


Indeed it is interesting although, as you were guessing, not really
answering the question of what it is expected to happen in GLSL.


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