It's a very common problem in the CAD community; you could try poking around one of their boards. Or you could look at someplace like here, here or here.

Information about American English usage here and here. Floating point issues? Please read this before posting. — emc

In reply to Re: Some simple 2d game-related maths questions by swampyankee
in thread Some simple 2d game-related maths questions by skx

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