[libre-riscv-dev] [Bug 208] implement CORDIC in a general way sufficient to do transcendentals

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=208

--- Comment #26 from Michael Nolan <mtnolan2640 at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #24)
> https://pypi.org/project/bigfloat/
> 
> i used python bigfloat about... 8 years ago, and just updated it:
> it works well.  it also happens to work in a similar way to
> python-gmpy2 by cython-wrapping mpfr... except that the debian
> package maintainer for python-gmpy2 is not experienced enough
> to do multi-python-version compiles.

Ok, I reverted the commit containing the gmpy stuff and added a similar one
calculating the atan tables with bigfloat

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