lib/converter/eu.ex
defmodule Exoddic.Converter.Eu do
@behaviour Exoddic.Converter
@moduledoc """
.eu-style decimal odds
"""
def from_prob(amount) when amount == 0, do: 0.0
def from_prob(amount) when amount != 0, do: 1 / amount
def to_prob(amount) when amount == 0, do: 0.0
def to_prob(amount) when amount != 0, do: 1 / amount
@doc "Formatted to three decimal places"
def for_display(amount), do: :erlang.float_to_binary(amount, decimals: 3)
end