[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 #14 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
btw that "close to zero" is i think what wad meant about altering the range and
adding fractions of pi to the result.

sin x + 90 equals cos x

therefore in the ranges where either gets close to zero you use the OTHER
version.

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