Exemplo n.º 1
0
void C4Network2ResChunkData::AddChunkRange(int32_t iStart, int32_t iLength)
{
	// security
	if (iStart < 0 || iStart + iLength > iChunkCnt || iLength <= 0) return;
	// find position
	ChunkRange *pRange, *pPrev;
	for (pRange = pChunkRanges, pPrev = NULL; pRange; pPrev = pRange, pRange = pRange->Next)
		if (pRange->Start >= iStart)
			break;
	// create new
	ChunkRange *pNew = new ChunkRange;
	pNew->Start = iStart; pNew->Length = iLength;
	// add to list
	pNew->Next = pRange;
	(pPrev ? pPrev->Next : pChunkRanges) = pNew;
	// counts
	iPresentChunkCnt += iLength; iChunkRangeCnt++;
	// check merges
	if (pPrev && MergeRanges(pPrev))
		while (MergeRanges(pPrev)) {}
	else
		while (MergeRanges(pNew)) {}
}
void udtPatternSearchPlugIn::FinishDemoAnalysis()
{
	if(_analyzers.GetSize() == 0)
	{
		return;
	}

	for(u32 i = 0, analyzerCount = _analyzers.GetSize(); i < analyzerCount; ++i)
	{
		_analyzers[i]->FinishAnalysis();
	}

	// If we only have 1 analyzer, we don't need to do any sorting.
	if(_analyzers.GetSize() == 1)
	{
		MergeRanges(CutSections, _analyzers[0]->CutSections);
		return;
	}

	//
	// Create a list with all the cut sections.
	//
	udtVMArray<CutSection> tempCutSections(1 << 16, "CutByPatternPlugIn::FinishDemoAnalysis::TempCutSectionsArray");
	for(u32 i = 0, analyzerCount = _analyzers.GetSize(); i < analyzerCount; ++i)
	{
		udtPatternSearchAnalyzerBase* const analyzer = _analyzers[i];
		for(u32 j = 0, cutCount = analyzer->CutSections.GetSize(); j < cutCount; ++j)
		{
			const udtCutSection cut = _analyzers[i]->CutSections[j];
			CutSection newCut;
			newCut.udtCutSection::operator=(cut);
			tempCutSections.Add(newCut);
		}
	}

	//
	// Apply sorting pass #1.
	//
	const u32 cutCount = tempCutSections.GetSize();
	qsort(tempCutSections.GetStartAddress(), (size_t)cutCount, sizeof(CutSection), &SortByStartTimeAscending);

	//
	// Apply sorting pass #2, which must be stable with respect to 
	// the sorting of pass #1.
	//
	for(u32 i = 0; i < cutCount; ++i)
	{
		tempCutSections[i].Order = (int)i;
	}
	qsort(tempCutSections.GetStartAddress(), (size_t)cutCount, sizeof(CutSection), &StableSortByGameStateIndexAscending);

	//
	// Create a new list with the sorted data using the final data format
	// and merge the sections if asked for it.
	//
	if((GetInfo().Flags & (u32)udtPatternSearchArgFlags::MergeCutSections) != 0)
	{
		udtVMArray<udtCutSection> cutSections(1 << 16, "CutByPatternPlugIn::FinishDemoAnalysis::MergedCutSectionsArray");
		AppendCutSections(cutSections, tempCutSections);
		MergeRanges(CutSections, cutSections);
	}
	else
	{
		CutSections.Clear();
		AppendCutSections(CutSections, tempCutSections);
	}
}
Exemplo n.º 3
0
void DecisionStump<MatType>::TrainOnAtt(const arma::rowvec& attribute,
                                        const arma::Row<size_t>& labels)
{
  size_t i, count, begin, end;

  arma::rowvec sortedSplitAtt = arma::sort(attribute);
  arma::uvec sortedSplitIndexAtt = arma::stable_sort_index(attribute.t());
  arma::Row<size_t> sortedLabels(attribute.n_elem);
  sortedLabels.fill(0);
  arma::vec tempSplit;
  arma::Row<size_t> tempLabel;

  for (i = 0; i < attribute.n_elem; i++)
    sortedLabels(i) = labels(sortedSplitIndexAtt(i));

  arma::rowvec subCols;
  rType mostFreq;
  i = 0;
  count = 0;
  while (i < sortedLabels.n_elem)
  {
    count++;
    if (i == sortedLabels.n_elem - 1)
    {
      begin = i - count + 1;
      end = i;

      arma::rowvec zSubCols((sortedLabels.cols(begin, end)).n_elem);
      zSubCols.fill(0.0);

      subCols = sortedLabels.cols(begin, end) + zSubCols;

      mostFreq = CountMostFreq<double>(subCols);

      split.resize(split.n_elem + 1);
      split(split.n_elem - 1) = sortedSplitAtt(begin);
      binLabels.resize(binLabels.n_elem + 1);
      binLabels(binLabels.n_elem - 1) = mostFreq;

      i++;
    }
    else if (sortedLabels(i) != sortedLabels(i + 1))
    {
      if (count < bucketSize)
      {
        // Test for different values of bucketSize, especially extreme cases.
        begin = i - count + 1;
        end = begin + bucketSize - 1;

        if (end > sortedLabels.n_elem - 1)
          end = sortedLabels.n_elem - 1;
      }
      else
      {
        begin = i - count + 1;
        end = i;
      }
      arma::rowvec zSubCols((sortedLabels.cols(begin, end)).n_elem);
      zSubCols.fill(0.0);

      subCols = sortedLabels.cols(begin, end) + zSubCols;

      // Find the most frequent element in subCols so as to assign a label to
      // the bucket of subCols.
      mostFreq = CountMostFreq<double>(subCols);

      split.resize(split.n_elem + 1);
      split(split.n_elem - 1) = sortedSplitAtt(begin);
      binLabels.resize(binLabels.n_elem + 1);
      binLabels(binLabels.n_elem - 1) = mostFreq;

      i = end + 1;
      count = 0;
    }
    else
      i++;
  }

  // Now trim the split matrix so that buckets one after the after which point
  // to the same classLabel are merged as one big bucket.
  MergeRanges();
}