Hi,

Spehro wrote:
"Not advanced cleverness (more like Grade 12 math class), but if you
implement atan(y/x) = theta, you can enlist the aid of
Mr. Pythagoras to get the result you want, with one square operation
and one square root and one division"

The problem in that is the square root.

I've sorted it out now after looking into the interpolated table approach
and the rough series expansion of
pi/2 - x + ((x^3)/6). (The table wins)

Cheers again,
Dan

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