Quote: "
(y >> 6) - (y >> 8) - (y >> 10) - (y >> 12)"
woh, nifty!
[edit]
I tried my hand at deriving this, using logarithmic/exponential functions. Thats how you did it right?
[edit2]
ahh yeah, so:
1/96=2^(-6) - 2^(-8) - 2^(-10) - 2^(-12) - 2^(-14) - 2^(-16) - 2^(-18)
And, if you evaluate the limit, you can prove that pattern of subtracting two from the exponent repeats forever, so:
x>>6-x>>8-x>>10-x>>12-x>>14-x>>16-x>>18-...-x>>(8+2*n)
Is there any particular reason you stopped at x>>12?

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