multi_degree()

bool FreeAlgebra::multi_degree	(	const Poly &	f,
		monomial	already_allocated_degree_vector ) const

Definition at line 838 of file FreeAlgebra.cpp.

{
  monomial degVec = already_allocated_degree_vector;
  bool ishomog = true;
  auto i = f.cbegin();
  monoid().multi_degree(i.monom(), degVec);
  monomial e = degreeMonoid().make_one();
  for (++i; i != f.cend(); ++i)
    {
      monoid().multi_degree(i.monom(), e);
      if (not degreeMonoid().is_equal(degVec, e))
        {
          ishomog = false;
          degreeMonoid().lcm(degVec, e, degVec);
        }
    }
  degreeMonoid().remove(e);
  return ishomog;
}

References degreeMonoid(), is_equal(), Monoid::lcm(), Monoid::make_one(), monoid(), monomial, FreeMonoid::multi_degree(), and Monoid::remove().

Referenced by degree(), and M2FreeAlgebra::multi_degree().