elementalJetGroups.h File Reference

#include <map>
#include <vector>

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Typedefs
using	JetGroupInd2ElemInds = std::map< int, std::vector< std::size_t > >

Functions
std::vector< std::size_t >	elementalJetGroups (const std::vector< std::size_t > &non_elemental, const JetGroupInd2ElemInds &jg2elemjgs)

Typedef Documentation

JetGroupInd2ElemInds

using JetGroupInd2ElemInds = std::map<int, std::vector<std::size_t> >

Definition at line 11 of file elementalJetGroups.h.

Function Documentation

elementalJetGroups()

std::vector<std::size_t> elementalJetGroups	(	const std::vector< std::size_t > &	non_elemental,
		const JetGroupInd2ElemInds &	jg2elemjgs
	)

Definition at line 9 of file elementalJetGroups.cxx.

                                                  {
 
  std::vector<std::size_t> elem_indices;
  
  for(auto i : non_elemental){
    elem_indices.insert(elem_indices.end(),
            jg2elemjg.at(i).begin(),
            jg2elemjg.at(i).end());
  }
  
  // if any of the elemental jet group indices are repeated,
  // stop processing the new jet group. (do not allow sharing for
  // among Conditions. Sharing is handled by having the use of
  // multiple FastReducer instances).
  
  std::sort(elem_indices.begin(), elem_indices.end());
  if (std::unique(elem_indices.begin(),
          elem_indices.end()) != elem_indices.end()){
    elem_indices.clear();
  }
  return elem_indices;
}