# -*- encoding: utf-8 -*-
# -*- frozen_string_literal: true -*-
# -*- warn_indent: true -*-

UnitMeasurements::SoundLevel = UnitMeasurements.build do
  primitive "dB"

  system :metric do
    si_unit "B", aliases: ["bel", "bels"]

    unit "Np", value: [(20 / Math.log(10)), "dB"], aliases: ["neper", "nepers"] # (20 / ln(10)) dB
  end
end