Lucene.Net.Search.Weight.GetSumOfSquaredWeights C# (CSharp) Method

        public abstract float GetSumOfSquaredWeights();

        /// <summary> Expert: Constructs and initializes a Weight for a top-level query.</summary>
        public virtual Weight Weight(Searcher searcher, IState state)
        {
            Query  query  = searcher.Rewrite(this, state);
            Weight weight = query.CreateWeight(searcher, state);
            float  sum    = weight.GetSumOfSquaredWeights();
            float  norm   = GetSimilarity(searcher).QueryNorm(sum);

            if (float.IsInfinity(norm) || float.IsNaN(norm))
            {
                norm = 1.0f;
            }
            weight.Normalize(norm);
            return(weight);
        }