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sidereon

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Satellite toolkit for Elixir with SGP4 propagation, coordinate transforms, GNSS positioning, orbit determination, conjunction assessment, pass prediction, and a Rust NIF backend.

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sidereon lib sidereon gnss core validation.ex
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lib/sidereon/gnss/core/validation.ex 

defmodule Sidereon.GNSS.Core.Validation do

  @moduledoc false



  alias Sidereon.GNSS.Core.Constants



  def cadence(c) when is_number(c) and c > 0, do: {:ok, c / 1.0}

  def cadence(_), do: {:error, :invalid_cadence}



  def threshold(:infinity), do: {:ok, 1.0e308}

  def threshold(t) when is_number(t) and t >= 0, do: {:ok, t / 1.0}

  def threshold(_), do: {:error, :invalid_threshold}



  def time_scale(scale) when is_binary(scale) do

    if scale in Constants.time_scales(), do: {:ok, scale}, else: :error

  end



  def time_scale(_), do: :error

end