rawWeightRange()

gmp_ZZpairOrNull rawWeightRange	(	M2_arrayint	wts,
		const RingElement *	a )

Definition at line 472 of file ringelement.cpp.

{
  try
    {
      int lo, hi;
      a->degree_weights(M2_arrayint_to_stdvector<int>(wts), lo, hi);
      if (error()) return nullptr;
      gmp_ZZpair p = new gmp_ZZpair_struct;
      p->a = newitem(__mpz_struct);
      p->b = newitem(__mpz_struct);
      mpz_init_set_si(const_cast<mpz_ptr>(p->a), static_cast<long>(lo));
      mpz_init_set_si(const_cast<mpz_ptr>(p->b), static_cast<long>(hi));
      mpz_reallocate_limbs(const_cast<mpz_ptr>(p->a));
      mpz_reallocate_limbs(const_cast<mpz_ptr>(p->b));
      return p;
  } catch (const exc::engine_error& e)
    {
      ERROR(e.what());
      return nullptr;
  }
}

References RingElement::degree_weights(), ERROR, error(), M2_arrayint_to_stdvector(), mpz_reallocate_limbs(), newitem, and p.