negate()

ring_elem PolyRing::negate ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 750 of file poly.cpp.

{
  Nterm head;
  Nterm *result = &head;
  for (Nterm& a : f)
    {
      result->next = new_term();
      result = result->next;
      result->coeff = K_->negate(a.coeff);
      M_->copy(a.monom, result->monom);
    }
  result->next = nullptr;
  return head.next;
}

References PolynomialRing::K_, PolynomialRing::M_, new_term(), Nterm::next, and result().

Referenced by subtract(), and syzygy().