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Finding the inverse square root of a number with i = 0×5f3759df - (i>>1);

April 19, 2008 at 5:39 am

Nice bit of writing on some code archaeology. Not definite in it’s answer, it provides some illumination of the thinking behind complex problem solving. float InvSqrt (float x){ float xhalf = 0.5f*x; int…

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