ThinningDecisionBase.icc

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/*
   Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
 */
/**
 * @file AthenaKernel/ThinningDecisionBase.icc
 * @author scott snyder <snyder@bnl.gov>
 * @date Sep, 2019
 * @brief Hold thinning decisions for one container.
 */
 
 
namespace SG {
 
 
/**
 *@ brief Return true if element @c ndx should be thinned.
 */
inline
bool ThinningDecisionBase::thinned (size_t ndx) const
{
  return m_mask.test (ndx);
}
 
 
/**
 * @brief Return the total size of the container being thinned.
 */
inline
size_t ThinningDecisionBase::size() const
{
  return m_mask.size();
}
 
 
/**
 * @brief Return the index corresponding to @c ndxOrig after thinning.
 * @param ndxOrig Original container index.
 *
 * Returns the index at which element @c ndxOrig ends up after thinning.
 * If the element was thinned away, returns @c RemovedIdx.
 *
 * This information is available only after @c buildIndexMap has been called.
 */
inline
size_t ThinningDecisionBase::index (size_t ndxOrig) const
{
  return m_indexMap.at (ndxOrig);
}
 
 
} // namespace SG