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package Data::Dimensions::Map; |
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# hold information about units provided by the module |
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use strict; |
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use vars qw(%SI_base %SI_units %units %basic %prefixes); |
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14418
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# basic SI units only need prefix scaling... |
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%SI_base = ( |
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m => {m =>1 }, |
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kg => {kg =>1}, |
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s => {s =>1 }, |
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A => {A =>1 }, |
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K => {K =>1 }, |
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cd => {cd =>1}, |
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mol=> {mol=>1}, |
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rad=> {rad=>1}, |
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sr => {sr =>1}, |
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Hz => {s => -1}, |
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N => {kg => 1, m => 1, s => -2}, |
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Pa => {kg => 1, m => -1,s => -2}, |
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J => {kg => 1, m => 2, s => -2}, |
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W => {kg => 1, m => 2, s => -3}, |
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coul => {A => 1, s=> 1}, |
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V => {kg =>1, m=> 2, s=> -3, A => -1}, |
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ohm => {kg =>1, m=> 2, s=> -3, A => -2}, |
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S => {kg =>-1,m=>-2, s=> 3, A => 2}, |
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F => {kg =>-1,m=>-2, s=> 4, A => 2}, |
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Wb => {kg =>1, m=> 2, s=> -2, A => -1}, |
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H => {kg =>1, m=> 2, s=> -2, A => -2}, |
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T => {kg =>1, m=> 1, s=> -2, A => -1}, |
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lm => {cd =>1, m=>-2}, |
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Bq => {s => -1}, |
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Gy => {m => 2, s => -2}, |
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); |
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%SI_units = ( |
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%SI_base, |
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meter=> $SI_base{m}, |
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kilo=> $SI_base{kg}, |
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kilogram=> $SI_base{kg}, |
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kilogramme=> $SI_base{kg}, |
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sec=> $SI_base{s}, |
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second=> $SI_base{s}, |
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amp=> $SI_base{A}, |
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ampere=> $SI_base{A}, |
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kelvin=> $SI_base{K}, |
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candela=> $SI_base{cd}, |
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mole=> $SI_base{mol}, |
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radian => $SI_base{rad}, |
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steradian=> $SI_base{sr}, |
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sterad=> $SI_base{sr}, |
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hertz=> $SI_base{Hz}, |
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newton=> $SI_base{N}, |
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pascal=> $SI_base{Pa}, |
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joule=> $SI_base{J}, |
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watt=> $SI_base{W}, |
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coulomb=> $SI_base{coul}, |
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volt=> $SI_base{V}, |
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seimens=> $SI_base{S}, |
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farad=> $SI_base{F}, |
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weber=> $SI_base{Wb}, |
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henry=> $SI_base{H}, |
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tesla=> $SI_base{T}, |
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lumen=> $SI_base{lm}, |
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becquerel=> $SI_base{Bq}, |
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gray=> $SI_base{Gy}, |
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); |
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# This should be invoked last... We know that SI units cannot change |
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# the scaling of the base value, so we can ignore that here |
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sub parse_SI { |
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0
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my ($hr, $scale) = @_; |
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my %temp; |
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foreach my $unit (keys %$hr) { |
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if (exists $SI_units{$unit}) { |
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foreach (keys %{$SI_units{$unit}}) { |
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$temp{$_} += $SI_units{$unit}->{$_} * $hr->{$unit}; |
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} |
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} |
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else { |
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$temp{$unit} += $hr->{$unit}; |
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} |
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} |
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return (\%temp, $scale); |
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} |
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%prefixes = ( |
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semi=> 0.5, |
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demi=> 0.5, |
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yotta=> 1e24, |
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zetta=> 1e21, |
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exa=> 1e18, |
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peta=> 1e15, |
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tera=> 1e12, |
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giga=> 1e9, |
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mega=> 1e6, |
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kilo=> 1e3, |
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hecto=> 1e2, |
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deka=> 1e1, |
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deci=> 1e-1, |
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centi=> 1e-2, |
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milli=> 1e-3, |
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micro=> 1e-6, |
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nano=> 1e-9, |
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pico=> 1e-12, |
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femto=> 1e-15, |
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atto=> 1e-18, |
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zopto=> 1e-21, |
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yocto=> 1e-24, |
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Y=> 1e24, |
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Z=> 1e21, |
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E=> 1e18, |
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P=> 1e15, |
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T=> 1e12, |
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G=> 1e9, |
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M=> 1e6, |
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k=> 1e3, |
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h=> 1e2, |
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da=> 1e1, |
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d=> 1e-1, |
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c=> 1e-2, |
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m=> 1e-3, |
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u=> 1e-6, |
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n=> 1e-9, |
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p=> 1e-12, |
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f=> 1e-15, |
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a=> 1e-18, |
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z=> 1e-21, |
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y=> 1e-24, |
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); |
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sub parse_prefix { |
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my ($hr, $scale) = @_; |
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my %temp; |
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my $rg = join('|', keys %prefixes); |
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my $rx = qr/^($rg)\-(\w+)$/; |
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foreach (keys %$hr) { |
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if ($_ =~ $rx) { |
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$temp{$2} = $hr->{$_}; |
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$scale *= $prefixes{$1}**($hr->{$_}); |
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} |
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else { |
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$temp{$_} = $hr->{$_}; |
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} |
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} |
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return (\%temp, $scale); |
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} |
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# $units{ unit } = [scale, {basic hash}]; |
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%units = ( |
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turn => [ 2 * 3.14159, {rad=>1}], |
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revolution => [ 2 * 3.14159, {rad=>1}], |
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degree => [ 2*3.14159 / 360, {rad=>1}], |
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deg => [ 2*3.14159 / 360, {rad=>1}], |
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arcdeg => [ 2*3.14159 / 360, {rad=>1}], |
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arcmin => [ 2*3.14159 / (360*60), {rad=>1}], |
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arcsec => [ 2*3.14159 / (360*60*60), {rad=>1}], |
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minute => [ 60, {s=>1}], |
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min => [ 60, {s=>1}], |
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hour=> [ 60*60, {s=>1}], |
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hr=> [ 60*60, {s=>1}], |
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day => [ 24*60*60, {s=>1}], |
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week=> [ 7*24*60*60, {s=>1}], |
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year=> [ 365*24*60*60, {s=>1}], # non-leap |
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yr=> [ 365*24*60*60, {s=>1}], |
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gram=> [ 1e-3, {kg=>1}], |
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gm=> [1e-3 , {kg=>1}], |
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tonne=> [1e3 , {kg=>1}], |
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# avoirdupois |
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lb=> [.45359237 , {kg=>1}], |
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pound=> [ .45359237, {kg=>1}], |
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ounce=> [ .45359237/16, {kg=>1}], |
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oz=> [ .45359237/16, {kg=>1}], |
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micron => [ 1e-6, {m=>1}], |
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angstrom=> [ 1e-10, {m=>1}], |
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# Imperial |
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inch=> [2.54 / 100 , {m=>1}], |
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in => [ 2.54 / 100, {m=>1}], |
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foot=> [ 12*2.54 / 100, {m=>1}], |
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feet=> [12*2.54 / 100 , {m=>1}], |
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ft=> [ 12*2.54 / 100, {m=>1}], |
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yard=> [3*12*2.54 / 100, {m=>1}], |
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yd=> [ 3*12*2.54 / 100, {m=>1}], |
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mile=> [ 5280*12*2.54 / 100, {m=>1}], |
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nmile=> [ 1852, {m=>1}], |
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acre=> [4840 * (3*12*2.54 / 100)**2 , {m=>2}], |
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hectare => [100*100, {m => 2}], |
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cc=> [(1/100)**3 , {m=>3}], |
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liter=> [ 1000*((1/100)**3), {m=>3}], |
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ml => [ (1/100)**3, {m=>3}], |
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201
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# US Liquid |
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gallon => [231 * (2.54 / 100)**3 , {m=>3}], |
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gal => [ 231 * (2.54 / 100)**3, {m=>3}], |
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quart => [ 231 * (2.54 / 100)**3 / 4, {m=>3}], |
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pint => [ 231 * (2.54 / 100)**3 / 8, {m=>3}], |
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207
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# UK Liquid |
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brgallon => [277.420 * (2.54 / 100)**3 , {m=>3}], |
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brquart=> [ 277.420 * (2.54 / 100)**3 / 4, {m=>3}], |
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brpint => [ 277.420 * (2.54 / 100)**3 / 8, {m=>3}], |
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212
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cal=> [ 4.1868, {joule=>1}], |
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mho=> [ 1, {ohm=>-1}], |
214
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|
|
|
|
215
|
|
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|
|
|
|
baud => [ 1, {bit=>1, s=>-1}], |
216
|
|
|
|
|
|
|
byte => [ 8 ,{bit=>1}], |
217
|
|
|
|
|
|
|
block=> [ 512*8, {bit=>1}], |
218
|
|
|
|
|
|
|
|
219
|
|
|
|
|
|
|
barn => [1e-28 , {m=>2}], |
220
|
|
|
|
|
|
|
amu => [ 1.66044e-27, {kg=>1}], |
221
|
|
|
|
|
|
|
electronvolt => [ 1.6021764e-19, {joule=>1}], |
222
|
|
|
|
|
|
|
erg => [(1/100)**2 * (1/1000) , {m=>2, kg=>1, s=>-2}], |
223
|
|
|
|
|
|
|
fermi=> [1e-15 , {m=>1}], |
224
|
|
|
|
|
|
|
lightyear=> [ 365.25 * 299_792_458 * 60 * 60 * 24, {m=>1}], |
225
|
|
|
|
|
|
|
parsec => [ 3.24 * 365.25 * 299_792_458 * 60 * 60 * 24, {m=>1}], |
226
|
|
|
|
|
|
|
|
227
|
|
|
|
|
|
|
point=> [(1/72) * 2.54 / 100 , {m=>1}], |
228
|
|
|
|
|
|
|
|
229
|
|
|
|
|
|
|
celsius => [1 , {K=>1}], # although no zero point changes |
230
|
|
|
|
|
|
|
centrigrade=> [1 , {K=>1}], |
231
|
|
|
|
|
|
|
|
232
|
|
|
|
|
|
|
siderealyear=> [ 365.256360417* 24*60*60, {s=>1}], |
233
|
|
|
|
|
|
|
|
234
|
|
|
|
|
|
|
percent => [ 0.01, {}], |
235
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
# test me baby! |
237
|
|
|
|
|
|
|
__HONK_IF_YOU_PERL => [10, {m=>1, s=>-1}], |
238
|
|
|
|
|
|
|
); |
239
|
|
|
|
|
|
|
|
240
|
|
|
|
|
|
|
# This is the general scaling and convert to base monster |
241
|
|
|
|
|
|
|
sub parse_other { |
242
|
19
|
|
|
19
|
0
|
26
|
my ($hr, $scale) = @_; |
243
|
19
|
|
|
|
|
25
|
my %temp; |
244
|
19
|
|
|
|
|
71
|
foreach my $unit (keys %$hr) { |
245
|
21
|
100
|
|
|
|
52
|
if (exists $units{$unit}) { |
246
|
1
|
|
|
|
|
3
|
my $factor = $units{$unit}->[0]; |
247
|
1
|
|
|
|
|
2
|
my $exp = $hr->{$unit}; |
248
|
1
|
|
|
|
|
2
|
foreach (keys %{$units{$unit}->[1]}) { |
|
1
|
|
|
|
|
4
|
|
249
|
2
|
|
|
|
|
5
|
$temp{$_} += $units{$unit}->[1]->{$_} * $exp; |
250
|
|
|
|
|
|
|
} |
251
|
1
|
|
|
|
|
3
|
$scale *= $factor ** $exp; |
252
|
|
|
|
|
|
|
} |
253
|
|
|
|
|
|
|
else { |
254
|
20
|
|
|
|
|
63
|
$temp{$unit} = $hr->{$unit}; |
255
|
|
|
|
|
|
|
} |
256
|
|
|
|
|
|
|
} |
257
|
19
|
|
|
|
|
101
|
return (\%temp, $scale); |
258
|
|
|
|
|
|
|
} |
259
|
|
|
|
|
|
|
|
260
|
|
|
|
|
|
|
1; |
261
|
|
|
|
|
|
|
|
262
|
|
|
|
|
|
|
__END__ |