ThinningDecisionBase.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
/*
   Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
 */
 
 
#ifndef ATHENAKERNEL_THINNINGDECISIONBASE_H
#define ATHENAKERNEL_THINNINGDECISIONBASE_H
 
 
#include "SGCore/ILockable.h"
#include "boost/dynamic_bitset.hpp"
#include <vector>
#include <string>
 
 
namespace SG {
 

class ThinningDecisionBase
{
public:
  static const std::size_t RemovedIdx = static_cast<std::size_t>(-1);
 
  enum class Op {
    Set = 0,
    And = 1,
    Or = 2
  };
 

  ThinningDecisionBase (size_t sz = 0);
 

  void resize (const size_t size);
 

  bool thinned (size_t ndx) const;
 

  size_t size() const;
 

  size_t thinnedSize() const;
 

  void thinAll();
 

  void keepAll();
 

  void thin (size_t ndx);
 

  void keep (size_t ndx);
 

  void thin (size_t ndx, bool flag, Op op = Op::Set);
 

  void keep (size_t ndx, bool flag, Op op = Op::Set);
 

  void thin (const std::vector<bool>& v, Op op = Op::Set);
 

  void keep (const std::vector<bool>& v, Op op = Op::Set);
 

  void thin (const ThinningDecisionBase& other, Op op = Op::Set);
 

  void keep (const ThinningDecisionBase& other, Op op = Op::Set);
 

  void buildIndexMap();
 

  size_t index (size_t ndxOrig) const;
 
 
private:
  boost::dynamic_bitset<> m_mask;

  std::vector<size_t> m_indexMap;
};
 
 
} // namespace SG
 
 
#include "AthenaKernel/ThinningDecisionBase.icc"
 
 
#endif // not ATHENAKERNEL_THINNINGDECISIONBASE_H