n_nonzero_terms()

int n_nonzero_terms ( int level, const TowerPolynomial f )

static

Definition at line 127 of file dpoly.cpp.

{
  if (f == nullptr) return 0;
  int nterms = 0;
  if (level == 0)
    {
      for (int i = 0; i <= f->deg; i++)
        if (f->arr.ints[i] != 0) nterms++;
    }
  else
    {
      for (int i = 0; i <= f->deg; i++)
        if (f->arr.polys[i] != nullptr) nterms++;
    }
  return nterms;
}

Referenced by DPoly::elem_text_out(), and M2::ARingTower::elem_text_out().