polyListToMatrix()

template<typename PolyL>

const Matrix * polyListToMatrix	(	const M2FreeAlgebraOrQuotient *	A,
		const PolyL &	elems,
		int	numrows,
		int	numcols )

Definition at line 927 of file groebner.cpp.

{
  if (elems.size() != numrows*numcols)
    ERROR("Number of elements in list does not match matrix size.");
  MatrixConstructor mat(A->make_FreeModule(numrows), numcols);
  for (auto i = 0; i < elems.size(); ++i)
    {
      int curCol = i % numcols;
      int curRow = (i - curCol) / numcols;
      ring_elem a = const_cast<Nterm*>(reinterpret_cast<const Nterm*>(elems[i]));
      mat.set_entry(curRow, curCol, a);
    }
  mat.compute_column_degrees();
  return mat.to_matrix();
}

References MatrixConstructor::compute_column_degrees(), ERROR, Ring::make_FreeModule(), Matrix, MatrixConstructor::set_entry(), and MatrixConstructor::to_matrix().

Referenced by rawNCBasis(), rawNCGroebnerBasisTwoSided(), and rawNCReductionTwoSided().