private static NArray <T> Slice <T>(NArray <T> array, int chunkIndex, int startIndex, int length)
{
if (array is ILocalNArray)
{
return(NMath.CreateNArray <T>((array.Storage as ChunkyStorage <T>).Slice(chunkIndex)));
}
else
{
return(array.Slice(startIndex, length));
}
}