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Module:Pop density: Difference between revisions
Created page with "-- -- This module implements {{Pop density}} -- local p = {} local math_module = require( "Module:Math" ) local precision = math_module._precision local sortkey = require( "Mo..."
Vivaporius (talk | contribs) m (1 revision imported) |
en>Centrist16 (Created page with "-- -- This module implements {{Pop density}} -- local p = {} local math_module = require( "Module:Math" ) local precision = math_module._precision local sortkey = require( "Mo...") |
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Line 5:
local math_module = require( "Module:Math" )
local precision = math_module._precision
local sortkey = require( "Module:Sortkey" )
local function rnd(num, digits)
Line 42 ⟶ 43:
local function popdensity(pop, area1, areaunit1, areaunit2, prec, disp, flip)
local dens1,
local dens2,
local str1, str2 = '', ''
local uniterror = '<sup>[[Template:Pop density|?Unknown unit?]]</sup>[[Category:Pop density using unsupported units]]'
Line 62 ⟶ 63:
local unit2 = unitnames[areaunit2] or nil
prec1 = (prec ~= '') and tonumber(prec)
or (1+math.log10(2*area1/(1/10^precision(pop)+pop/area1/10^precision(area1))))
dens1 = rnd(dens1num, math.floor(prec1 + 0.5))
dens1sort = '<span style="display:none" data-sort-value="'
.. sortkey._sortKeyForNumber(dens1num) .. '♠"></span>'
if (unit1) then
str1 = '/' .. unitstr[unit1]
Line 71 ⟶ 75:
prec2 = prec1 - math.log10(mult)
dens2 = rnd(dens1num*mult, math.floor(prec2 + 0.5))
dens2sort = '<span style="display:none" data-sort-value="'
.. sortkey._sortKeyForNumber(dens1num*mult) .. '♠"></span>'
str2 = '/' .. unitstr[unit2]
elseif(areaunit2 ~= '') then
Line 100 ⟶ 106:
-- display input and output density numbers with units
if( flip == 'on' ) then
return (dens2sort or '') .. dens2 .. str2 .. ' (' .. dens1 .. str1 .. ')'
else
return (dens1sort or '') .. dens1 .. str1 .. ' (' .. dens2 .. str2 .. ')'
end
elseif( disp == 'table') then
dens1 = (dens1sort or '') .. dens1
dens2 = (dens2sort or '') .. dens2
return pop .. '||' .. area1 .. '||' .. dens1 .. '||' .. dens2
else
Line 114 ⟶ 122:
if( disp ~= 'num' and disp ~= 'table' ) then
-- display input density number with unit
return (dens1sort or '') .. dens1 .. str1
elseif( disp == 'table') then
return pop .. '||' .. area1 .. '||' ..(dens1sort or '') .. dens1
else
-- display input density number without unit
Line 128 ⟶ 136:
function p.density(frame)
local args = (frame.args[3] ~= nil) and frame.args or frame:getParent().args
return popdensity(
args['prec'] or '', args['disp'] or '', args['flip'] or ''
)
end
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