NCF4()

NCF4::NCF4	(	const FreeAlgebra &	A,
		const ConstPolyList &	input,
		int	hardDegreeLimit,
		int	strategy,
		int	numThreads )

Definition at line 19 of file NCF4.cpp.

    : mFreeAlgebra(A),
      mInput(input),
      //mTopComputedDegree(-1),            // not used yet.
      //mHardDegreeLimit(hardDegreeLimit), // not used yet.
      mMonomEq(A.monoid()),
      mMonomHashEqual(A.monoid()),
      mColumnMonomials(10,mMonomHash,mMonomHashEqual),
      mPreviousColumnMonomials(10,mMonomHash,mMonomHashEqual),
      mVectorArithmetic(new VectorArithmetic(A.coefficientRing())),
      mNumThreads(mtbb::numThreads(numThreads)), 
      mIsParallel(mNumThreads != 1),
      mScheduler(mNumThreads)
{
  //  std::cout << "number of processors being used: " << mNumThreads << std::endl;
  (void) hardDegreeLimit;
  (void) strategy;
  if (M2_gbTrace >= 1)
    {
      buffer o;
      o << "[NCGB F4]";
      emit_wrapped(o.str());
    }
  
  // process input polynomials
  mIsGraded = true;
  for (int i = 0; i < mInput.size(); ++i)
    {
      auto d = freeAlgebra().heft_degree(*mInput[i]);
      if (not d.second)
        mIsGraded = false;
      mOverlapTable.insert(d.first,
                           true,
                           std::make_tuple(i,-1,-1,true));
    }
  if (M2_gbTrace >= 1)
    {
      buffer o;
      o << (mIsGraded ? " homogeneous " : " inhomogeneous ");
      emit_wrapped(o.str());
    }
}

References emit_wrapped(), freeAlgebra(), FreeAlgebra::heft_degree(), M2_gbTrace, mColumnMonomials, mFreeAlgebra, mInput, mIsGraded, mIsParallel, mMonomEq, mMonomHash, mMonomHashEqual, mNumThreads, mOverlapTable, mPreviousColumnMonomials, mScheduler, mVectorArithmetic, and buffer::str().