invert()

ring_elem Tower::invert ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 217 of file tower.cpp.

{
  TowerPolynomial f1 = TOWER_POLYNOMIAL_VAL(f);
  TowerPolynomial h;
  D->set_zero(h);
  if (!D->invert(h, f1)) ERROR("element not invertible");
  return TOWER_RINGELEM(h);
}

References D, ERROR, TOWER_POLYNOMIAL_VAL, and TOWER_RINGELEM.