down_level()

bool DPoly::down_level	(	int	newlevel,
		int	oldlevel,
		TowerPolynomial &	f )

Definition at line 109 of file dpoly.cpp.

{
  if (f == nullptr) return true;
  for (int i = oldlevel; i > newlevel; i--)
    {
      if (f->deg > 0)
        {
          dealloc_poly(f);
          return false;
        }
      TowerPolynomial g = f->arr.polys[0];
      f->arr.polys[0] = nullptr;
      dealloc_poly(f);
      f = g;
    }
  return true;
}

References dealloc_poly().

Referenced by initialize().