private void Prelogic(BitArrayCompress op, out uint[] left, out uint[] right)
{
CheckBitArray();
left = GetUncompressed();
right = op.GetUncompressed();
int ic = left.Length;
int uc = right.Length;
if (ic > uc)
{
var ar = new uint[ic];
right.CopyTo(ar, 0);
right = ar;
}
else if (ic < uc)
{
var ar = new uint[uc];
left.CopyTo(ar, 0);
left = ar;
}
//FixLengths(ints, uncomp);
}