power_mpz()

void M2::ARingGFM2::power_mpz ( elem & result, elem a, mpz_srcptr n ) const

inline

Definition at line 353 of file aring-m2-gf.hpp.

  {
    if (a != 0)
      {
        long n1 = mpz_fdiv_ui(n, mGF.orderMinusOne());
        power(result, a, n1);
      }
    else
      {
        // a is the zero element
        if (mpz_sgn(n) > 0)
          result = 0;
        else if (mpz_sgn(n) == 0)
          result = mGF.one();
        else
          throw exc::division_by_zero_error();
      }
  }

References mGF, power(), and result().