HdrHistogram.HistogramBase.CountsArrayIndex C# (CSharp) Méthode

        private int CountsArrayIndex(int bucketIndex, int subBucketIndex)
        {
            Debug.Assert(subBucketIndex < SubBucketCount);
            Debug.Assert(bucketIndex == 0 || (subBucketIndex >= SubBucketHalfCount));
            // Calculate the index for the first entry in the bucket:
            // (The following is the equivalent of ((bucketIndex + 1) * subBucketHalfCount) ):
            var bucketBaseIndex = (bucketIndex + 1) << _subBucketHalfCountMagnitude;
            // Calculate the offset in the bucket:
            var offsetInBucket = subBucketIndex - SubBucketHalfCount;
            // The following is the equivalent of ((subBucketIndex  - subBucketHalfCount) + bucketBaseIndex;
            return bucketBaseIndex + offsetInBucket;
        }