On arctangent.

The arctangent is one of the more interesting trigonometry functions – and by “interesting” I of course mean a bitch to get right. I've been meaning to write something about the various methods of calculating it for a while now and finally got round to it recently.

I, ah, uhm, may have gotten a little carried away with it though ... but that's okay,! At least now I while one to recommend.

One thought on “On arctangent.

  1. Very interesting: thank you !
    I usually go LUT+LERP when dealing with any "heavy" mathematical function on the GBA, but it's nice to see another approaches.

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