olbrich/ruby-units

# frozen_string_literal: true

{
  "googol" => [%w[googol], 1e100],
  "yobi" => [%w[Yi Yobi yobi],       2**80],
  "zebi" => [%w[Zi Zebi zebi],       2**70],
  "exbi" => [%w[Ei Exbi exbi],       2**60],
  "pebi" => [%w[Pi Pebi pebi],       2**50],
  "tebi" => [%w[Ti Tebi tebi],       2**40],
  "gibi" => [%w[Gi Gibi gibi],       2**30],
  "mebi" => [%w[Mi Mebi mebi],       2**20],
  "kibi" => [%w[Ki Kibi kibi],       2**10],
  "yotta" => [%w[Y Yotta yotta],      1e24],
  "zetta" => [%w[Z Zetta zetta],      1e21],
  "exa" => [%w[E Exa exa], 1e18],
  "peta" => [%w[P Peta peta],        1e15],
  "tera" => [%w[T Tera tera],        1e12],
  "giga" => [%w[G Giga giga],        1e9],
  "mega" => [%w[M Mega mega],        1e6],
  "kilo" => [%w[k kilo],             1e3],
  "hecto" => [%w[h Hecto hecto], 1e2],
  "deca" => [%w[da Deca deca deka], 1e1],
  "1" => [%w[1], 1],
  "deci" => [%w[d Deci deci], Rational(1, 1e1)],
  "centi" => [%w[c Centi centi],      Rational(1, 1e2)],
  "milli" => [%w[m Milli milli],      Rational(1, 1e3)],
  "micro" => [%w[u µ Micro micro mc], Rational(1, 1e6)],
  "nano" => [%w[n Nano nano],        Rational(1, 1e9)],
  "pico" => [%w[p Pico pico],        Rational(1, 1e12)],
  "femto" => [%w[f Femto femto], Rational(1, 1e15)],
  "atto" => [%w[a Atto atto], Rational(1, 1e18)],
  "zepto" => [%w[z Zepto zepto],      Rational(1, 1e21)],
  "yocto" => [%w[y Yocto yocto],      Rational(1, 1e24)]
}.each do |name, definition|
  RubyUnits::Unit.define(name) do |unit|
    aliases, scalar = definition
    unit.aliases    = aliases
    unit.scalar     = scalar
    unit.kind       = :prefix
  end
end