Danger function
Fragment of a discussion from Talk:Cunobelin
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Yes, it does work just fine, and you weight the importance of the dimensions just as you would with doubles, just having some slight issue with granularity when only a small number is available. I had 11 for latv, which is fine, but for the weighting I wanted only needed 2 or 3 for distance, but that would have been a granularity of 500 or 300 which is a little too coarse so I compromised on 4 bits.
The gray codes do not work for the simplistic XOR/bitcount mechanic and computing gray->binary looks expensive, so even if I could solve the math it probably wouldn't help.
