public double JaccardSimilarity()

in DuplicateCodeDetector/Utils/SparseVector.cs [41:60]

• 19 lines of code
• 4 McCabe index (conditional complexity)

        public double JaccardSimilarity(SparseVector other)
        {
            int numerator = 0;
            int denominator = 0;

            foreach(var idx in _vector.Keys.Concat(other._vector.Keys).Distinct())
            {
                if (!_vector.TryGetValue(idx, out var thisIdxCount))
                {
                    thisIdxCount = 0;
                }
                if (!other._vector.TryGetValue(idx, out var otherIdxCount))
                {
                    otherIdxCount = 0;
                }
                numerator += Math.Min(thisIdxCount, otherIdxCount);
                denominator += Math.Max(thisIdxCount, otherIdxCount);
            }
            return denominator==0?0: ((double)numerator / denominator);
        }