private void CalcSimilarity(Account me, Account candidate, ref Span <uint> accounts)
{
Similarity similarity = Similarity.Of(me, candidate, accounts, out uint count);
if (count == 0)
{
return;
}
if (limit <= _list.Count && similarity < _list[(uint)(_list.Count - 1)].Value)
{
return;
}
for (int i = 0; i < count; i++)
{
var item = new KeyValuePair <uint, Similarity>(accounts[i], similarity);
if (_list.Count < (limit - 1))
{
_list.Add(item);
continue;
}
if (_list.Count == limit - 1)
{
_list.Add(item);
_list.Sort(this);
continue;
}
var index = _list.BinarySearch(item, this);
if (index > 0)
{
continue;
}
var listIndex = (uint)(_list.Count - 1);
var last = _list[listIndex];
if (Compare(last, item) > 0)
{
_list.RemoveAt((int)listIndex);
var binarySearch = _list.BinarySearch(0, _list.Count, item, this);
var insertAt = ~binarySearch;
_list.Insert(insertAt, item);
}
}
}