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Module:Roman Numeral: Difference between revisions
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end | end | ||
function overline(s) | |||
return mw.ustring.format( '<span style="text-decoration:overline;">%s</span>', s ) | |||
end | |||
-- local function overline(s) | |||
-- local str = '' | |||
-- for c in s:gmatch('.') do | |||
-- str = str .. c .. '\u{305}' | |||
-- end | |||
-- return str | |||
-- end | -- end | ||
local function truncate(f, n) | local function truncate(f, n) | ||
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local twentyFourths = {"", "Σ", "·", "·Σ", ":", ":Σ", "∴", "∴Σ", "∷", "∷Σ", "⁙", "ΣS", "S", "SΣ", "S·", "S·Σ", "S:", "S:Σ", "S:Σ", "S∴", "S∴Σ", "S∷", "S∷Σ", "S⁙", "S⁙Σ"} | local twentyFourths = {"", "Σ", "·", "·Σ", ":", ":Σ", "∴", "∴Σ", "∷", "∷Σ", "⁙", "ΣS", "S", "SΣ", "S·", "S·Σ", "S:", "S:Σ", "S:Σ", "S∴", "S∴Σ", "S∷", "S∷Σ", "S⁙", "S⁙Σ"} | ||
local thirds = {truncate(1/3, 4), truncate(1/6, 4), truncate(2/3, 4), truncate(5/6, 4)} | local thirds = {truncate(1/3, 4), truncate(1/6, 4), truncate(2/3, 4), truncate(5/6, 4)} | ||
local roman = '' | |||
if args[1] == nil then return end | if args[1] == nil then return end | ||
local num = tonumber(args[1]) | local num = tonumber(args[1]) | ||
if not num | if not num or num == math.huge then | ||
return {'',''} | return {'',''} | ||
elseif num == 0 then | elseif num == 0 then | ||
return {'N','\n0 is represented by N'} | return {'N','\n0 is represented by N'} | ||
elseif num < 0 then | |||
roman = '-' | |||
end | end | ||
local explanation = "\n" | local explanation = "\n" | ||
local count = 0 | local count = 0 | ||