negate()

ring_elem Tower::negate ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 176 of file tower.cpp.

{
  TowerPolynomial f1;
  TowerPolynomial g1 = TOWER_POLYNOMIAL_VAL(g);
  TowerPolynomial h;
  D->set_zero(h);
  D->set_zero(f1);
  D->subtract(h, f1, g1);
  return TOWER_RINGELEM(h);
}

References D, TOWER_POLYNOMIAL_VAL, and TOWER_RINGELEM.