/// <include file='FactorDocs.xml' path='factor_docs/message_op_class[@name="SumVectorGaussianOp"]/message_doc[@name="LogAverageFactor(Vector, IList{Vector})"]/*'/>
public static double LogAverageFactor(Vector sum, IList <Vector> array)
{
if (sum == null)
{
throw new ArgumentNullException(nameof(sum));
}
if (array == null)
{
throw new ArgumentNullException(nameof(array));
}
if (array.Count == 0)
{
return((sum == Vector.Zero(sum.Count)) ? 0.0 : double.NegativeInfinity);
}
return((sum == Factor.Sum(array)) ? 0.0 : double.NegativeInfinity);
}
/// <include file='FactorDocs.xml' path='factor_docs/message_op_class[@name="FastSumOp"]/message_doc[@name="LogAverageFactor(double, IList{double})"]/*'/>
public static double LogAverageFactor(double sum, IList <double> array)
{
return((sum == Factor.Sum(array)) ? 0.0 : Double.NegativeInfinity);
}