negate()

ring_elem FractionField::negate ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 459 of file frac.cpp.

{
  const frac_elem *f = FRAC_VAL(a);
  frac_elem *result = new_frac_elem();
  result->numer = R_->negate(f->numer);
  result->denom = R_->copy(f->denom);
  return FRAC_RINGELEM(result);
}

References frac_elem::denom, FRAC_RINGELEM, FRAC_VAL, new_frac_elem(), frac_elem::numer, R_, and result().

Referenced by syzygy().