processPreviousF4Matrix()

void NCF4::processPreviousF4Matrix ( )

private

Definition at line 159 of file NCF4.cpp.

{
  // flag the columns correspond to lead terms of new GB elements as reducers
  for (int i = mFirstOverlap; i < mRows.size(); ++i)
  {
    if (mRows[i].columnIndices.size() == 0) continue;
    int newReducerCol = mRows[i].columnIndices[0];
    mColumns[newReducerCol].pivotRow = i;
    mColumnMonomials[mColumns[newReducerCol].word].second = i;
  } 
  
  // copy the finished rows and columns into the holding areas
  clearRows(mPreviousRows);
  mPreviousColumns.clear();
  mPreviousColumnMonomials.clear();
  mPreviousMonomialSpace.deallocateAll();
 
  for (auto& p : mPreviousMemoryBlocks)
  {
    if (p != nullptr)
      p->deallocateAll();
    p = nullptr;
  }
  mPreviousMemoryBlocks.clear();
 
  mPreviousRows = std::move(mRows);
  mPreviousColumns = std::move(mColumns); 
  mPreviousColumnMonomials = std::move(mColumnMonomials);
  mPreviousMemoryBlocks = std::move(mMemoryBlocks);
  // need to move mMonomialSpace to a holding area since all the monomials
  // and int arrays in mPrevious data types are allocated there.
  mPreviousMonomialSpace.swap(mMonomialSpace);
}

References clearRows(), mColumnMonomials, mColumns, mFirstOverlap, mMemoryBlocks, mMonomialSpace, mPreviousColumnMonomials, mPreviousColumns, mPreviousMemoryBlocks, mPreviousMonomialSpace, mPreviousRows, mRows, and p.

Referenced by process().