/// <summary>
/// Sorts the input array based on each element's two's complement bitwise representation.
/// </summary>
public void Sort(Span <int> span)
{
for (int i = 0; i < 32; i += 4)
{
bool hasRemain = false;
for (int j = 0; j < span.Length; j++)
{
uint number = Scalars.Int32ToUInt32Bits(span[j]);
uint remain = number >> i;
uint digit = remain & 0b1111;
if (i == 28)
{
digit ^= 0b1000;
}
buckets[digit].Add(number);
hasRemain |= remain != 0;
}
Copy(span, uintToIntConverter);
Clear();
if (!hasRemain)
{
break;
}
}
}