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Module:FloorNumber: Difference between revisions
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(Created page with "local ordinal = require('Module:Ordinal')._main local yn = require('Module:Yesno') local p = {} function p.main(frame) return p._main(frame:getParent().args) end function p._main(args) local nohelp = yn(args.nohelp) local caps = yn(args.caps) local flr = tonumber(args.uk) -- prevent people from using anything but the main syntax for consistency across the wiki. Big red errors should make stuff clear. assert(flr, "Missing parameter `uk`") -- prevent unnamed para...") |
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--[[
{{Helper module
|name = Number
|fname1 = _round(num, dp)
|ftype1 = float, int
|fuse1 = Rounds <code>num</code> to a precision given by <code>dp</code>, if <code>dp</code> is not specified, it defaults to zero.
|fname2 = _short(str)
|ftype2 = String
|fuse2 = Convert numbers ending in k, m or b to the actual correct number. Example: 3.5k -> 3500
}}
-- ]]
--
-- Number manipulation methods
--
-- Many methods are already available in the math library, so this will be fairly small
--
local p = {}
--
-- Rounds a number to a specified number of decimal places
--
-- If dp is not specified, it defaults to zero
-- based on <http://dev.wikia.com/wiki/Module:HF>
--
function p._round( num, dp )
if not num then
return
end
local mult = 10 ^ ( dp or 0 )
return math.floor( num * mult + 0.5 ) / mult
end
function p.
return p._round( frame.args[1], frame.args[2] )
end
--
-- Expands a shorthand number to an actual number
--
-- @example 3.5k -> 3500
-- @example 10m -> 10000000
--
-- Returns the string if it is not a valid number
--
function p._short( str )
local num = str:sub( 1, -2 )
local
if tonumber( num ) then
if char == 'k' then
num = num * 10^3
num = num * 10^6
elseif char == 'b' then
-- strip trailing letter
num = num * 10^9
else
return str
end
return num
else
return str
end
end
function p.short( frame )
return p._short( frame.args[1] )
end
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