private int GetSeriesOffset <TValue>(int index)
{
int offset;
if (typeof(TValue) == typeof(DataBlock))
{
// in series _head is only used for MovingWindow
// and is only applied to DataSource.
offset = RingVecUtil.IndexToOffset(index, _head, _rowCount);
}
else
{
if (AdditionalCorrectnessChecks.Enabled)
{
ThrowHelper.Assert(_head == 0, "_head == 0 for Series leaves");
}
offset = index;
}
return(offset);
}
public T GetItem(int index)
{
return(_vec.GetRef <T>(RingVecUtil.IndexToOffset(index, _head, _count)));
}
public T DangerousGetItem(int index)
{
return(_vec.DangerousGetUnaligned <T>(RingVecUtil.IndexToOffset(index, _head, _count)));
}
