namespace Microsoft.ML.Probabilistic.Factors
{
    [FactorMethod(typeof(Factor), "Plus", new[] { typeof(double), typeof(double) }, Default = true)]
    [FactorMethod(new[] { "A", "Sum", "B" }, typeof(Factor), "Difference", new[] { typeof(double), typeof(double) }, Default = true)]
    [Quality(QualityBand.Mature)]
    public static class DoublePlusOp
    {
        public static double LogAverageFactor(double Sum, [SkipIfUniform] Gaussian a, [Fresh] Gaussian to_a);
    }
}