[PATCH] Ensure calculations happen with desired rounding mode in y1lf128
Paul Zimmermann
Paul.Zimmermann@inria.fr
Mon Aug 22 12:28:57 GMT 2022
> Rewriting this function would not be trivial, but the math functions that are already
> rewritten (like exp, pow, log) prove you can get fast and accurate results without
> ever needing rounding mode changes.
indeed, you can even get correct rounding (for all rounding modes) faster than
the current glibc implementations. See https://hal.inria.fr/hal-03721525
for example, or the current LLVM libc implementations (cf bottom table of
https://core-math.gitlabpages.inria.fr/).
Paul Zimmermann
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