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28004000
2015 Feb 23
2
[Mesa-dev] [PATCH 2/2] nvc0/ir: improve precision of double RCP/RSQ results
Does this give correct results for special floats (0, infs)?
We tried to improve (for single floats) x86 rcp in llvmpipe with
newton-raphson, but unfortunately not being able to give correct results
for these two cases (without even more additional code) meant it got all
disabled in the end (you can still see that code in the driver) since
the problems are at least as bad as those due to bad