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// Zero elements from the first index that was written to last time, to the
  // first index that was written to this time.
  for (int SubgraphIndex = 0; SubgraphIndex < sc.NumberOfArrays; ++SubgraphIndex)
  {
    for (int DataIndex = EarliestIndex; DataIndex < OutputArrayIndex; ++DataIndex)
      sc.Subgraph[SubgraphIndex][DataIndex] = 0.0f;
  }
  
  // Store the last index that was written to
  EarliestIndex = OutputArrayIndex;