[libre-riscv-dev] fp special functions

Jacob Lifshay programmerjake at gmail.com
Sun Aug 4 19:51:02 BST 2019

On Sun, Aug 4, 2019, 11:31 Atif Zafar <atif at pixilica.com> wrote:

> Excellent thank you so much Jacob and Luke. Have you seen this:
have not seen any of them yet, thanks!

appears to implement only a look-up table for integer multiples of 1
degree, probably not useful for our purposes

appears to approximate atanh(x) as x with a lookup table for a few special
cases, probably not useful for anything but machine learning (though, for
ML, max(x,x/256) is simpler and would probably work just as well).

uses cordic for atan2 -- didn't check the rest -- appears useful



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