[cfp-interest 3786] Accuracy of Mathematical Functions

Paul Zimmermann Paul.Zimmermann at inria.fr
Fri Feb 13 03:04:16 PST 2026


       Dear all,

a new update of our comparison is available:

https://members.loria.fr/PZimmermann/papers/accuracy.pdf

Main changes in this update:

* thanks to Katsuhisa Ozaki, we have updated to MSVC 2026, where several
  issues reported against MSVC 2022 have been fixed

* in double precision, at least one library now provides a correctly-rounded
  version of all C99 univariate functions, except atan, cosh, sinh, tanh

Brian Gladman
Vincenzo Innocente
John Mather
Katsuhisa Ozaki
Paul Zimmermann


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