public long get(long index) {assert index >= 0 && index < valueCount;final int block = (int) (index >>> blockShift);final int idx = (int) (index & blockMask);return (minValues == null ? 0 : minValues[block]) + subReaders[block].get(idx);}
public override long Get(long index){Debug.Assert(index >= 0 && index < valueCount);int block = (int)((long)((ulong)index >> blockShift));int idx = (int)(index & blockMask);return (minValues == null ? 0 : minValues[block]) + subReaders[block].Get(idx);}