power()

void M2::ARingQQGMP::power ( ElementType & result, const ElementType & a, long n ) const

inline

Definition at line 231 of file aring-qq-gmp.hpp.

  {
    bool n_is_negative = false;
    if (n < 0)
      {
        if (is_zero(a)) throw exc::division_by_zero_error();
        n_is_negative = true;
        n = -n;
      }
    mpz_pow_ui(mpq_numref(&result), mpq_numref(&a), n);
    mpz_pow_ui(mpq_denref(&result), mpq_denref(&a), n);
    if (n_is_negative)
      mpq_inv(&result, &result);
  }

References is_zero(), and result().

Referenced by power_mpz().