-- TODO: Need to see what units are missing and add them
local units_tbl = {
-- No space before unit
arcminute = { abbr='′', link='minute of arc', nospace=true },
arcmin = { abbr='′', link='minute of arc', nospace=true },
["'"] = { abbr='′', link='minute of arc', nospace=true },
['′'] = { abbr='′', link='minute of arc', nospace=true },
arcsecond = { abbr='″', link='second of arc', nospace=true },
arcsec = { abbr='″', link='second of arc', nospace=true },
['"'] = { abbr='″', link='second of arc', nospace=true },
['″'] = { abbr='″', link='second of arc', nospace=true },
['deg'] = { abbr='°', link='degree (angle)', nospace=true },
['°'] = { abbr='°', link='degree (angle)', nospace=true },
percent = { abbr='%', link='percent', nospace=true },
['per cent'] = { abbr='%', link='percent', nospace=true },
['%'] = { abbr='%', link='percent', nospace=true },
permil = { abbr='‰', link='per mil', nospace=true },
permill = { abbr='‰', link='per mil', nospace=true },
permille = { abbr='‰', link='per mil', nospace=true },
['per mil'] = { abbr='‰', link='per mil', nospace=true },
['per mill'] = { abbr='‰', link='per mil', nospace=true },
['per mille'] = { abbr='‰', link='per mil', nospace=true },
['‰'] = { abbr='‰', link='per mil', nospace=true },
-- Space before unit
A = { abbr='A', link='ampere' },
aA = { abbr='aA', link='attoampere' },
AD = { abbr='AD', link='Anno Domini' },
aG = { abbr='aG', link='attogauss' },
ag = { abbr='ag', link='attogram' },
aHz = { abbr='aHz', link='attohertz' },
aK = { abbr='aK', link='attokelvin' },
am = { abbr='am', link='attometre' },
aT = { abbr='aT', link='attotesla' },
BC = { abbr='BC', link='Before Christ' },
BCE = { abbr='BCE', link='Before the Common Era' },
['bit/s'] = { abbr='bit/s', link='bit per second' },
bps = { abbr='bit/s', link='bit per second' },
BP = { abbr='BP', link='Before present' },
bya = { abbr='bya', link='billion years ago' },
byr = { abbr='byr', link='billion years' },
C = { abbr='C', link='coulomb' },
c = { abbr='<i>c</i>', link='speed of light' },
cA = { abbr='cA', link='centiampere' },
CE = { abbr='CE', link='Common Era' },
cG = { abbr='cG', link='centigauss' },
cg = { abbr='cg', link='centigram' },
cHz = { abbr='cHz', link='centihertz' },
cK = { abbr='cK', link='centikelvin' },
['cm-1'] = { abbr='cm<sup>−1</sup>', link='wavenumber' },
cT = { abbr='cT', link='centitesla' },
cV = { abbr='cV', link='volt' },
dA = { abbr='dA', link='ampere' },
daA = { abbr='daA', link='decaampere' },
daG = { abbr='daG', link='decagauss' },
dag = { abbr='dag', link='decagram' },
daHz = { abbr='daHz', link='decahertz' },
daK = { abbr='daK', link='decakelvin' },
daT = { abbr='daT', link='decatesla' },
daV = { abbr='daV', link='volt' },
degC = { abbr='°C', link='degree Celsius' },
degF = { abbr='°F', link='Fahrenheit' },
degR = { abbr='°R', link='Rankine scale' },
dG = { abbr='dG', link='decigauss' },
dg = { abbr='dg', link='decigram' },
dHz = { abbr='dHz', link='hertz' },
dK = { abbr='dK', link='decikelvin' },
dT = { abbr='dT', link='decitesla' },
dV = { abbr='dV', link='volt' },
e = { abbr='<i>e</i>', link='Elementary charge' },
EA = { abbr='EA', link='ampere' },
['Earth mass'] = { abbr='<i>M</i><sub>⊕</sub>', link='Earth mass' },
['Earth radius'] = { abbr='<i>R</i><sub>⊕</sub>', link='Earth radius' },
EG = { abbr='EG', link='exagauss' },
Eg = { abbr='Eg', link='exagram' },
EHz = { abbr='EHz', link='exahertz' },
EK = { abbr='EK', link='exakelvin' },
ET = { abbr='ET', link='exatesla' },
EV = { abbr='EV', link='volt' },
['eV/c2'] = { abbr='eV/<i>c</i><sup>2</sup>', link='electronvolt#Mass' },
F = { abbr='F', link='farad' },
fA = { abbr='fA', link='femtoampere' },
['fb-1'] = { abbr='fb<sup>−1</sup>', link='Barn (unit)' },
fG = { abbr='fG', link='femtogauss' },
fg = { abbr='fg', link='femtogram' },
fHz = { abbr='fHz', link='femtohertz' },
fK = { abbr='fK', link='femtokelvin' },
fT = { abbr='fT', link='femtotesla' },
fV = { abbr='fV', link='femtovolt' },
gal = { abbr='gal', link='gallon' },
['g/cm3'] = { abbr='g/cm<sup>3</sup>', link='gram per cubic centimetre' },
['g/l'] = { abbr='g/l', link='gram per litre' },
['g/L'] = { abbr='g/L', link='gram per litre' },
['g*mol-1'] = { abbr='g⋅mol<sup>−1</sup>', link='molar mass' },
['g/mol'] = { abbr='g⋅mol<sup>−1</sup>', link='molar mass' },
GA = { abbr='GA', link='gigaampere' },
Ga = { abbr='Ga', link='gigaannum' },
['Gbit/s'] = { abbr='Gbit/s', link='gigabit per second' },
['GeV/c2'] = { abbr='GeV/<i>c</i><sup>2</sup>', link='electronvolt#Mass' },
GG = { abbr='GG', link='gigagauss' },
Gg = { abbr='Gg', link='gigagram' },
GHz = { abbr='GHz', link='gigahertz' },
['GJ*mol-1'] = { abbr='GJ⋅mol<sup>−1</sup>', link='joule per mole' },
['GJ/mol'] = { abbr='GJ/mol', link='joule per mole' },
GK = { abbr='GK', link='gigakelvin' },
GPa = { abbr='GPa', link='gigapascal' },
Gpc = { abbr='Gpc', link='megaparsec#Megaparsecs_and_gigaparsecs' },
['Gpc2'] = { abbr='Gpc<sup>2</sup>', link='megaparsec#Megaparsecs_and_gigaparsecs' },
['Gpc3'] = { abbr='Gpc<sup>3</sup>', link='megaparsec#Megaparsecs_and_gigaparsecs' },
GT = { abbr='GT', link='gigatesla' },
GV = { abbr='GV', link='gigavolt' },
Gyr = { abbr='Ga', link='gigaannum' },
H = { abbr='H', link='Henry (unit)' },
['H*m-1'] = { abbr='H', link='Henry (unit)' },
hA = { abbr='hA', link='hectoampere' },
hG = { abbr='hG', link='hectogauss' },
hg = { abbr='hg', link='hectogram' },
hHz = { abbr='hHz', link='hectohertz' },
hK = { abbr='hK', link='hectokelvin' },
hT = { abbr='hT', link='hectotesla' },
hV = { abbr='hV', link='volt' },
Hz = { abbr='Hz', link='hertz' },
['Jupiter mass'] = { abbr='<i>M</i><sub>J</sub>', link='Jupiter mass' },
['Jupiter radius'] = { abbr='<i>R</i><sub>J</sub>', link='Jupiter radius' },
['J/kg'] = { abbr='J/kg', link='joule' },
['J*mol-1'] = { abbr='J⋅mol<sup>−1</sup>', link='joule per mole' },
['J/mol'] = { abbr='J/mol', link='joule per mole' },
Js = { abbr='J⋅s', link='joule-second' },
['J*s'] = { abbr='J⋅s', link='joule-second' },
kA = { abbr='kA', link='kiloampere' },
ka = { abbr='ka', link='kiloannum' },
['kbit/s'] = { abbr='kbit/s', link='kilobit per second' },
['keV/c2'] = { abbr='keV/<i>c</i><sup>2</sup>', link='electronvolt#Mass' },
kG = { abbr='kG', link='kilogauss' },
['kg/cm3'] = { abbr='kg/cm<sup>3</sup>', link='density#Formula_and_common_units' },
['kg/m3'] = { abbr='kg/m<sup>3</sup>', link='kilogram per cubic metre' },
['kg/mol'] = { abbr='kg⋅mol<sup>−1</sup>', link='molar mass' },
kHz = { abbr='kHz', link='Kilohertz' },
kpc = { abbr='kpc', link='kiloparsec' },
['kpc2'] = { abbr='kpc<sup>2</sup>', link='kiloparsec' },
['kpc3'] = { abbr='kpc<sup>3</sup>', link='kiloparsec' },
['kJ*mol-1'] = { abbr='kJ⋅mol<sup>−1</sup>', link='joule per mole' },
['kJ/mol'] = { abbr='kJ/mol', link='joule per mole' },
kK = { abbr='kK', link='kilokelvin' },
KPa = { abbr='kPa', link='pascal (unit)' },
kT = { abbr='kT', link='kilotesla' },
kV = { abbr='kV', link='kilovolt' },
['kW·h'] = { abbr='kW⋅h', link='kilowatt hour' },
['kW.h'] = { abbr='kW⋅h', link='kilowatt hour' },
kWh = { abbr='kWh', link='kilowatt hour' },
kya = { abbr='kya', link='kyr' },
kyr = { abbr='kyr', link='kyr' },
lbf = { abbr='{{lbf}}', link='Pound (force)' },
lbm = { abbr='{{lbm}}', link='Pound (mass)' },
ly = { abbr='ly', link='light-year' },
['L_solar'] = { abbr='<i>L</i><sub>☉</sub>', link='solar luminosity' },
['m-3'] = { abbr='m<sup>−3</sup>', link='cubic metre' },
['m-2'] = { abbr='m<sup>−2</sup>', link='square metre' },
['m-1'] = { abbr='m<sup>−1</sup>', link='metre' },
m = { abbr='m', link='metre' },
['m2'] = { abbr='m<sup>2</sup>', link='Square metre' },
['m3'] = { abbr='m<sup>3</sup>', link='Cubic metre' },
metre = { abbr='m', link='metre' },
meter = { abbr='m', link='metre' },
['m*s-1'] = { abbr='m⋅s<sup>−1</sup>', link='metre per second' },
['m*s-2'] = { abbr='m⋅s<sup>−2</sup>', link='metre per second squared' },
['M_Earth'] = { abbr='<i>M</i><sub>⊕</sub>', link='Earth mass' },
['M_Jupiter'] = { abbr='<i>M</i><sub>J</sub>', link='Jupiter mass' },
['M_Solar'] = { abbr='<i>M</i><sub>☉</sub>', link='solar mass' },
['M_solar'] = { abbr='<i>M</i><sub>☉</sub>', link='solar mass' },
mA = { abbr='mA', link='milliampere' },
MA = { abbr='MA', link='megaampere' },
Ma = { abbr='Ma', link='megaannum' },
['Mbit/s'] = { abbr='Mbit/s', link='megabit per second' },
mcg = { abbr='µg', link='microgram' },
['mcg/dL'] = { abbr='µg/dL', link='gram per' },
['mcg/dl'] = { abbr='µg/dl', link='gram per' },
['MeV/c2'] = { abbr='MeV/<i>c</i><sup>2</sup>', link='electronvolt#Mass' },
MG = { abbr='MG', link='megagauss' },
Mg = { abbr='Mg', link='megagram' },
mG = { abbr='mG', link='milligauss' },
['mg/mL'] = { abbr='mg/mL', link='gram per litre' },
['mg/ml'] = { abbr='mg/mL', link='gram per litre' },
MHz = { abbr='MHz', link='megahertz' },
mHz = { abbr='mHz', link='hertz' },
['MJ*mol-1'] = { abbr='MJ⋅mol<sup>−1</sup>', link='joule per mole' },
['MJ/mol'] = { abbr='MJ/mol', link='joule per mole' },
MK = { abbr='MK', link='megakelvin' },
mK = { abbr='mK', link='millikelvin' },
Mpc = { abbr='Mpc', link='parsec#Megaparsecs_and_gigaparsecs' },
['Mpc2'] = { abbr='Mpc<sup>2</sup>', link='parsec#Megaparsecs_and_gigaparsecs' },
['Mpc3'] = { abbr='Mpc<sup>3</sup>', link='parsec#Megaparsecs_and_gigaparsecs' },
mpgimp = { abbr='mpg', link='Fuel economy in automobiles#Units_of_measure', imperial = true },
MT = { abbr='MT', link='megatesla' },
mT = { abbr='mT', link='millitesla' },
muA = { abbr='µA', link='ampere' },
muG = { abbr='µG', link='microgauss' },
mug = { abbr='µg', link='microgram' },
muGal = { abbr='µGal', link='Gal (unit)' },
muHz = { abbr='µHz', link='hertz' },
muJ = { abbr='µJ', link='joule' },
muK = { abbr='µK', link='microkelvin' },
mum = { abbr='µm', link='micrometre' },
mus = { abbr='µs', link='microsecond' },
muT = { abbr='µT', link='microtesla' },
muV = { abbr='µV', link='volt' },
MV = { abbr='MV', link='volt' },
mV = { abbr='mV', link='volt' },
mya = { abbr='mya', link='million years ago' },
myr = { abbr='myr', link='million years' },
nA = { abbr='nA', link='ampere' },
['N*A-2'] = { abbr='N⋅A<sup>−2</sup>', link='permeability (electromagnetism)' },
nG = { abbr='nG', link='nanogauss' },
ng = { abbr='ng', link='nanogram' },
nHz = { abbr='nHz', link='hertz' },
nK = { abbr='nK', link='nanokelvin' },
['N*m-1'] = { abbr='N⋅m<sup>−1</sup>', link='joule (unit)' },
nT = { abbr='nT', link='nanotesla' },
nV = { abbr='nV', link='volt' },
PA = { abbr='PA', link='ampere' },
pA = { abbr='pA', link='ampere' },
['pc2'] = { abbr='pc<sup>2</sup>', link='Parsec' },
['pc3'] = { abbr='pc<sup>3</sup>', link='Parsec' },
PG = { abbr='PG', link='petagauss' },
Pg = { abbr='Pg', link='petagram' },
pG = { abbr='pG', link='picogauss' },
pg = { abbr='pg', link='picogram' },
PHz = { abbr='PHz', link='petahertz' },
pHz = { abbr='pHz', link='hertz' },
PK = { abbr='PK', link='petakelvin' },
pK = { abbr='pK', link='picokelvin' },
ppb = { abbr='ppb', link='parts per billion' },
ppm = { abbr='ppm', link='parts per million' },
PT = { abbr='PT', link='petatesla' },
pT = { abbr='pT', link='picotesla' },
PV = { abbr='PV', link='volt' },
pV = { abbr='pV', link='volt' },
R = { abbr='R', link='rayleigh (unit)' },
['R_Earth'] = { abbr='<i>R</i><sub>⊕</sub>', link='Earth radius' },
['R_Jupiter'] = { abbr='<i>R</i><sub>J</sub>', link='Jupiter radius' },
['R_Solar'] = { abbr='<i>R</i><sub>☉</sub>', link='solar radius' },
['R_solar'] = { abbr='<i>R</i><sub>☉</sub>', link='solar radius' },
s = { abbr='s', link='second' },
second = { abbr='s', link='second' },
seconds = { abbr='s', link='second' },
['s-1'] = { abbr='s<sup>−1</sup>', link='second' },
['s-2'] = { abbr='s<sup>−2</sup>', link='second' },
['s2'] = { abbr='s<sup>2</sup>', link='second' },
['Solar luminosity'] = { abbr='<i>L</i><sub>☉</sub>', link='solar luminosity' },
['solar luminosity'] = { abbr='<i>L</i><sub>☉</sub>', link='solar luminosity' },
['Solar mass'] = { abbr='<i>M</i><sub>☉</sub>', link='solar mass' },
['solar mass'] = { abbr='<i>M</i><sub>☉</sub>', link='solar mass' },
['Solar radius'] = { abbr='<i>R</i><sub>☉</sub>', link='solar radius' },
['solar radius'] = { abbr='<i>R</i><sub>☉</sub>', link='solar radius' },
TA = { abbr='TA', link='ampere' },
['Tbit/s'] = { abbr='Tbit/s', link='terabit per second' },
['TeV/c2'] = { abbr='TeV/<i>c</i><sup>2</sup>', link='electronvolt#Mass' },
TG = { abbr='TG', link='teragauss' },
Tg = { abbr='Tg', link='teragram' },
THz = { abbr='THz', link='terahertz' },
['TJ*mol-1'] = { abbr='TJ⋅mol<sup>−1</sup>', link='joule per mole' },
['TJ/mol'] = { abbr='TJ/mol', link='joule per mole' },
TK = { abbr='TK', link='terakelvin' },
Torr = { abbr='Torr', link='Torr' },
torr = { abbr='Torr', link='Torr' },
TT = { abbr='TT', link='teratesla' },
TV = { abbr='TV', link='volt' },
u = { abbr='u', link='atomic mass unit' },
uBP = { abbr='<sup>14</sup>C yr BP', link='Radiocarbon dating#Calibration' },
USgal = { abbr='US gal', link='US gallon' },
V = { abbr='V', link='volt' },
VV = { abbr='VV', link='volt' },
['V/m'] = { abbr='V/m', link='electric field' },
['Vm-1'] = { abbr='V⋅m<sup>−1</sup>', link='electric field' },
['V*m-1'] = { abbr='V⋅m<sup>−1</sup>', link='electric field' },
W = { abbr='W', link='Watt' },
Wb = { abbr='Wb', link='Weber (unit)' },
y = { abbr='y', link='year' },
yA = { abbr='yA', link='ampere' },
YA = { abbr='YA', link='ampere' },
year = { abbr='year', link='year' },
years = { abbr='years', link='year' },
YG = { abbr='YG', link='yottagauss' },
Yg = { abbr='Yg', link='yottagram' },
yG = { abbr='yG', link='yoctogauss' },
yg = { abbr='yg', link='yoctogram' },
YHz = { abbr='YHz', link='yottahertz' },
yHz = { abbr='yHz', link='hertz' },
YK = { abbr='YK', link='yottakelvin' },
yK = { abbr='yK', link='yoctokelvin' },
ym = { abbr='ym', link='yoctometre' },
yr = { abbr='yr', link='year#Symbols_y_and_yr' },
YT = { abbr='YT', link='Yottatesla' },
yT = { abbr='yT', link='yoctotesla' },
YV = { abbr='YV', link='volt' },
yV = { abbr='yV', link='volt' },
ZA = { abbr='ZA', link='ampere' },
zA = { abbr='zA', link='ampere' },
ZG = { abbr='ZG', link='zettagauss' },
Zg = { abbr='Zg', link='zettagram' },
zG = { abbr='zG', link='zeptogauss' },
zg = { abbr='zg', link='zeptogram' },
ZHz = { abbr='ZHz', link='hertz' },
zHz = { abbr='zHz', link='hertz' },
ZK = { abbr='ZK', link='zettakelvin' },
zK = { abbr='zK', link='zeptokelvin' },
zm = { abbr='zm', link='zeptometre' },
ZT = { abbr='ZT', link='zettatesla' },
zT = { abbr='zT', link='zeptotesla' },
ZV = { abbr='ZV', link='volt' },
zV = { abbr='zV', link='volt' },
['µA'] = { abbr='µA', link='microampere' },
['µB'] = { abbr='µ<sub>B</sub>', link='Bohr magneton' },
['µG'] = { abbr='µG', link='microgauss' },
['µGal'] = { abbr='µGal', link='Gal (unit)' },
['μg/dl'] = { abbr='μg/dL', link='gram per litre' },
['μg/dL'] = { abbr='μg/dL', link='gram per litre' },
['µHz'] = { abbr='µHz', link='hertz' },
['µK'] = { abbr='µK', link='microkelvin' },
['µN'] = { abbr='µ<sub>N</sub>', link='nuclear magneton' },
['μN'] = { abbr='µ<sub>N</sub>', link='nuclear magneton' },
['µT'] = { abbr='µT', link='microtesla' },
['µV'] = { abbr='µV', link='microvolt' }
}
return function (u, tbl)
if not tbl then
tbl = {}
end
local per = tbl.per
local link = tbl.link
local perl = tbl.per_link
local unit = units_tbl[u] or {abbr = u, link = u}
local imperial = unit.imperial and '<sub>-[[Imperial unit|imp]]</sub>'
local nospace = not unit.nospace
if link then
unit = '[['..unit.link..'|'..unit.abbr..']]'
else
unit = unit.abbr
end
if per then
-- Look for "*" "." or "/"
-- If found, add parentheses
if u:find('[%*%.%/]') then
unit = '('..unit..')'
end
local per_u = units_tbl[per] or {abbr = per, link=per}
if perl then
per_u = '[['..per_u..'|'..per_u.abbr..']]'
else
per_u = per_u.abbr
end
-- Look for "*" "." or "/"
-- If found, add parentheses
if per:find('[%*%.%/]') then
per_u = '('..per_u..')'
end
unit = unit..'/'..per_u
end
if imperial then
unit = unit..imperial
end
if nospace then
unit = ' '..unit
end
return unit
end
