compare()

int DPoly::compare	(	int	level,
		const TowerPolynomial	f,
		const TowerPolynomial	g )

Definition at line 560 of file dpoly.cpp.

{
  if (f == nullptr)
    {
      if (g == nullptr) return 0;
      return 1;
    }
  if (g == nullptr) return -1;
  if (f->deg > g->deg) return -1;
  if (f->deg < g->deg) return 1;
 
  if (level == 0)
    {
      for (int i = f->deg; i >= 0; i--)
        {
          long cmp = f->arr.ints[i] - g->arr.ints[i];
          if (cmp > 0) return -1;
          if (cmp < 0) return 1;
        }
    }
  else
    {
      for (int i = f->deg; i >= 0; i--)
        {
          int cmp = compare(level - 1, f->arr.polys[i], g->arr.polys[i]);
          if (cmp > 0) return -1;
          if (cmp < 0) return 1;
        }
    }
  return 0;
}

References compare().

Referenced by compare().