negate()

ring_elem SchurRing2::negate ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 496 of file schur2.cpp.

{
  if (is_zero(f)) return f;
  const schur_poly *f1 = f.get_schur_poly();
  schur_poly *result = new schur_poly;
 
  for (VECTOR(ring_elem)::const_iterator i = f1->coeffs.begin();
       i != f1->coeffs.end();
       ++i)
    result->coeffs.push_back(coefficientRing->negate(*i));
 
  result->monoms.insert(
      result->monoms.end(), f1->monoms.begin(), f1->monoms.end());
  return ring_elem(result);
}

References schur_poly::begin(), coefficientRing, schur_poly::end(), ring_elem::get_schur_poly(), is_zero(), result(), and VECTOR.

Referenced by subtract().