imported>Mr. Stradivarius: r2 needs to use math.ceil, not math.floor - but nice algorithm! It's a lot easier to understand as code.

2013-11-28T10:37:53Z

r2 needs to use math.ceil, not math.floor - but nice algorithm! It's a lot easier to understand as code.

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local p = {}

function p.rand(max)

math.randomseed(mw.site.stats.edits)

if (max <= 2147483648) then
return math.random(max)
else
local ratio = max / 2147483648
local r1 = math.floor(math.random(2147483648-1) * ratio)
local r2 = math.random(math.ceil(ratio))
return r1 + r2
end

end

function p.random(frame)
return p.rand(0 + frame.args[1])
end

return p

Module:Sandbox/Hellknowz/Misc - Revision history

imported>Mr. Stradivarius: r2 needs to use math.ceil, not math.floor - but nice algorithm! It's a lot easier to understand as code.