I am wondering if in a lot of code taking this inverse square root is not necessary like when calculating length = sqrt(x^2+y^2) in a lot of code, you just want to know a minimum of maximum value so getting the min or max of x^2+y^2 is what you want and calculating the sqrt is not necessary.
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I am wondering if in a lot of code taking this inverse square root is not necessary like when calculating length = sqrt(x^2+y^2) in a lot of code, you just want to know a minimum of maximum value so getting the min or max of x^2+y^2 is what you want and calculating the sqrt is not necessary.