alt Hacker NewsIt may be, especially when it comes to unnecessary cache. But I think `atan` is almost a brute force. Lookup is nothing comparing to that.
Sin/cos must be borders of sqrt(x²+y²). It is also cached indeed.
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BigTTYGothGF • yesterday at 5:29 PM
> Sin/cos must be borders of sqrt(x²+y²). It is also cached indeed
This doesn't make a ton of sense.
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What do you mean brute force?
We can compute these things using iteration or polynomial approximations (sufficient for 64 bit).