[libc-commits] [PATCH] D134002: [libc][math] Improve tanhf performance.

[Tue Ly via Phabricator via libc-commits]

lntue created this revision.
lntue added reviewers: michaelrj, sivachandra, orex, zimmermann6.
Herald added subscribers: ecnelises, tschuett.
Herald added projects: libc-project, All.
lntue requested review of this revision.

Optimize the core part of tanhf implementation that is to compute e^x
similar to https://reviews.llvm.org/D133870.  Factor the constants and
polynomial approximation out so that it can be used for `exp10f`


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134002

Files:
  libc/src/math/generic/explogxf.cpp
  libc/src/math/generic/explogxf.h
  libc/src/math/generic/tanhf.cpp
  libc/test/src/math/explogxf_test.cpp

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