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ramons03/OptimizedMathSquare

Created July 16, 2013 15:58
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Here’s how to compute sqrt(x*x + y*y) without risking overflow.
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OptimizedMathSquare
max = maximum(|x|, |y|)
min = minimum(|x|, |y|)
r = min / max
return max*sqrt(1 + r*r)
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