مودول:Wikidata2/Math
السيفة
--[[
This module provides a number of basic mathematical operations.
]]
local yesno, getArgs -- lazily initialized
local p = {} -- Holds functions to be returned from #invoke, and functions to make available to other Lua modules.
local wrap = {} -- Holds wrapper functions that process arguments from #invoke. These act as intemediary between functions meant for #invoke and functions meant for Lua.
function p._round(value, precision)
local rescale = math.pow(10, precision or 0);
return math.floor(value * rescale + 0.5) / rescale;
end
function p.newFromWikidataValue(frame)
upeer = frame.upperBound if not upeer then upeer = '0' end
lower = frame.lowerBound if not lower then lower = '0' end
local diff = math.abs(tonumber(upeer) - tonumber(frame.amount))
local diff2 = math.abs(tonumber(lower) - tonumber(frame.amount))
if diff2 > diff then
diff = diff2
end
-- TODO, att fixa så att inte 1234.000 'huggs av' till 1234
local lang = mw.language.new( 'ar' )
if diff == 0 then
return lang:formatNum(tonumber(frame.amount))
else
local log = -math.log10(diff)
return lang:formatNum(p._round(frame.amount, math.ceil(log)))
end
end
local mt = { __index = function(t, k)
return function(frame)
if not getArgs then
getArgs = require('Module:Arguments').getArgs
end
return wrap[k](getArgs(frame)) -- Argument processing is left to Module:Arguments. Whitespace is trimmed and blank arguments are removed.
end
end }
return setmetatable(p, mt)