power() [2/2]

ring_elem SchurRing::power ( const ring_elem f, mpz_srcptr n ) const

virtual

Exponentiation. This is the default function, if a class doesn't define this.

Reimplemented from PolyRing.

Definition at line 288 of file schur.cpp.

{
  if (mpz_sgn(n) < 0) throw exc::engine_error("element not invertible");
  std::pair<bool, int> n1 = RingZZ::get_si(n);
  if (n1.first)
    return power(f, n1.second);
  else
    throw exc::engine_error("exponent too large");
}

References RingZZ::get_si(), and power().

Referenced by power().