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lib/apa_abs.ex
defmodule ApaAbs do
@moduledoc """
APA : Arbitrary Precision Arithmetic - Absolute Value - ApaAbs.
"""
@doc """
Absolute Value - internal function - please call Apa.abs({int, exp})
"""
@spec bc_abs({integer(), integer()}) :: {integer(), integer()}
def bc_abs({int, exp}) when is_integer(int) and is_integer(exp) do
{Kernel.abs(int), exp}
end
end