DetGroupMerger Class Reference

#include <DetGroupMerger.h>

Static Public Member Functions
static void	addSameLevel (std::vector< DetGroup > &&gvec, std::vector< DetGroup > &result)
static void	doubleIndexSize (std::vector< DetGroup > &vec)
static void	incrementAndDoubleSize (std::vector< DetGroup > &vec)
static void	mergeTwoLevels (std::vector< DetGroup > &&one, std::vector< DetGroup > &&two, std::vector< DetGroup > &result)
static void	orderAndMergeTwoLevels (std::vector< DetGroup > &&one, std::vector< DetGroup > &&two, std::vector< DetGroup > &result, int firstIndex, int firstCrossed)

Detailed Description

Definition at line 7 of file DetGroupMerger.h.

Member Function Documentation

void DetGroupMerger::addSameLevel ( std::vector< DetGroup > &&  gvec, std::vector< DetGroup > &  result  )

static

Definition at line 52 of file DetGroupMerger.cc.

References newFWLiteAna::found, getHLTprescales::index, ires, and LogDebug.

Referenced by CompatibleDetToGroupAdder::add().

                                                                              {
  for (auto && ig : gvec) {
    int gSize = ig.indexSize();
    int index = ig.index(); // at which level it should be inserted
    bool found = false;
    for (vector<DetGroup>::iterator ires=result.begin(); ires!=result.end(); ires++) {
      int resSize = ires->indexSize();
      if (gSize != resSize) {
    LogDebug("TkDetLayers") << "DetGroupMerger::addSameLevel called with groups of different index sizes";
    // throw something appropriate...or handle it properly (may happen in petals?)
      }

      int resIndex = ires->index();
      if (index == resIndex) {
    ires->insert(ires->end(), ig.begin(), ig.end()); // insert in group with same index
    found = true;
    break;
      }
      else if (index < resIndex) {
    // result has no group at index level yet
    result.insert( ires, ig); // insert a new group, invalidates the iterator ires
    found = true;
    break;
      }
    } // end of loop over result groups
    if (!found) result.insert( result.end(), ig); // in case the ig index is bigger than any in result
  }
}

void DetGroupMerger::doubleIndexSize ( std::vector< DetGroup > &  vec )

static

Definition at line 82 of file DetGroupMerger.cc.

References i.

                                                      {
  int indSize = vec.front().indexSize();
  for (vector<DetGroup>::iterator i=vec.begin(); i!=vec.end(); i++) {
    i->setIndexSize( 2*indSize);
  }
}

void DetGroupMerger::incrementAndDoubleSize ( std::vector< DetGroup > &  vec )

static

Definition at line 90 of file DetGroupMerger.cc.

References i.

                                                             {
  int indSize = vec.front().indexSize();
  for (vector<DetGroup>::iterator i=vec.begin(); i!=vec.end(); i++) {
    i->incrementIndex( indSize);
  }
}

void DetGroupMerger::mergeTwoLevels ( std::vector< DetGroup > &&  one, std::vector< DetGroup > &&  two, std::vector< DetGroup > &  result  )

static

Definition at line 34 of file DetGroupMerger.cc.

                                                                                                            {

  result.reserve( one.size() + two.size());

  int indSize1 = one.front().indexSize();
  int indSize2 = two.front().indexSize();

  for (auto && dg : one) {
    result.push_back(std::move(dg));
    result.back().setIndexSize(indSize1+indSize2);
  }
  for (auto && dg : two) {
    result.push_back(std::move(dg));
    result.back().incrementIndex(indSize1);
  }
}

void DetGroupMerger::orderAndMergeTwoLevels ( std::vector< DetGroup > &&  one, std::vector< DetGroup > &&  two, std::vector< DetGroup > &  result, int  firstIndex, int  firstCrossed  )

static

Definition at line 8 of file DetGroupMerger.cc.

Referenced by TECLayer::groupedCompatibleDetsV(), and TBLayer::groupedCompatibleDetsV().

                                      {
  if (one.empty() && two.empty()) return;


  if (one.empty()) {
    result = std::move(two);
    if (firstIndex == firstCrossed) incrementAndDoubleSize(result); 
    else                            doubleIndexSize(result);
  }
  else if (two.empty()) {
    result = std::move(one);
    if (firstIndex == firstCrossed) doubleIndexSize(result);
    else                            incrementAndDoubleSize(result);
  }
  else { // both are not empty
    if (firstIndex == firstCrossed) mergeTwoLevels( std::move(one), std::move(two), result);
    else                            mergeTwoLevels( std::move(two), std::move(one), result);
  }
}