Does acos, atan functions in stl uses lots of cpu cycles

Posted by jan on Stack Overflow See other posts from Stack Overflow or by jan
Published on 2010-06-01T21:30:29Z Indexed on 2010/06/01 22:33 UTC
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Hi all,

I wanted to calculate the angle between two vectors but I have seen these inverse trig operations such as acos and atan uses lots of cpu cycles. Is there a way where I can get this calculation done without using these functions? Also, does these really hit you when you in your optimization?

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Does acos, atan functions in stl uses lots of cpu cycles - Developer IT

Does acos, atan functions in stl uses lots of cpu cycles

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