protected override IResult GetCandidates(int[] qseq, int maxcand)
{
int knrbound = this.K;
var len_qseq = qseq.Length;
// the symshift is a simple hack to reserve the zero symbol as wildcard
// for all those symbols not in the query
int symshift = 1;
var partial_strings = new Dictionary<int,int[]> (Math.Abs(maxcand) * 2);
for (int i = 0; i < len_qseq; ++i) {
var rs = this.SEQ.Unravel (qseq [i]);
var count1 = rs.Count1;
for (int s = 1; s <= count1; ++s) {
var pos = rs.Select1 (s);
var docid = pos / knrbound;
var internalpos = pos - docid * knrbound;
int[] useq;
if (partial_strings.TryGetValue (docid, out useq)) {
useq [internalpos] = qseq[i] + symshift;
} else {
useq = new int[knrbound];
partial_strings [docid] = useq;
useq [internalpos] = qseq[i] + symshift;
}
}
}
var res = new ResultTies (Math.Abs (maxcand));
BitParallelKnr8LLCS bpllcs = new BitParallelKnr8LLCS (qseq, symshift, this.R.DB.Count + symshift);
foreach (var p in partial_strings) {
var useq = p.Value;
var docID = p.Key;
var newllcs = bpllcs.llcs(useq);
//Console.WriteLine ("lenlcs: {0}, newllcs: {1}", lenlcs, newllcs);
// if (lenlcs != newllcs) {
// var err = String.Format("ERROR LOS VALORES DE LEN LCS SON DIFERENTES seqs: {2} ~ {3}, {0} != {1}",
// lenlcs, newllcs,
// String.Join<int> (", ", useq),
// String.Join<int> (", ", qseq));
// throw new ArgumentOutOfRangeException (err);
// }
// res.Push (i, -lenlcs);
res.Push (docID, -newllcs);
}
return res;
}
protected override IResult GetCandidates(int[] qseq, int maxcand)
{
int knrbound = this.K;
var len_qseq = qseq.Length;
// var C = new Dictionary<int,short> ();
var C = new byte[this.DB.Count];
for (int i = 0; i < len_qseq; ++i) {
var rs = this.SEQ.Unravel (qseq [i]);
var count1 = rs.Count1;
for (int s = 1; s <= count1; ++s) {
var pos = rs.Select1 (s);
var docid = pos / knrbound;
C [docid] += 1;
}
}
var res = new ResultTies (Math.Abs (maxcand));
BitParallelKnr8LLCS bpllcs = new BitParallelKnr8LLCS (qseq, 0, this.R.DB.Count);
for (int i = 0; i < C.Length; ++i) {
if (C [i] > 0) {
var useq = this.GetStoredKnr (i);
//var lenlcs = GetLengthLCS (useq, qseq);
var newllcs = bpllcs.llcs(useq);
//Console.WriteLine ("lenlcs: {0}, newllcs: {1}", lenlcs, newllcs);
// if (lenlcs != newllcs) {
// var err = String.Format("ERROR LOS VALORES DE LEN LCS SON DIFERENTES seqs: {2} ~ {3}, {0} != {1}",
// lenlcs, newllcs,
// String.Join<int> (", ", useq),
// String.Join<int> (", ", qseq));
// throw new ArgumentOutOfRangeException (err);
// }
// res.Push (i, -lenlcs);
res.Push (i, -newllcs);
}
}
return res;
}
