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Re: Fast atan2


On 23 Jan 2005, at 16:35, Scott Ribe wrote:

This should be faster, since it need compute fewer
bits of precision, but it is still returning the correct result,
rounded to a float.


On some architectures. On others the calculations will be in double
precision and shortened to float on return.

This is exactly what libmx does on OS X (try stepping into it in the debugger), so switching to the "f" functions may actually slow you down.

Jerry
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