power_mpz()

void M2::ARingZZpFlint::power_mpz ( ElementType & result, ElementType a, mpz_srcptr n ) const

inline

Definition at line 250 of file aring-zzp-flint.hpp.

  {
    if (a != 0)
      {
        unsigned long nbar = mpz_fdiv_ui(n, mCharac - 1);
        result = n_powmod2_ui_preinv(a, nbar, mModulus.n, mModulus.ninv);
      }
    else
      {
        // case a == 0
        if (mpz_sgn(n) == 0)
          set_from_long(result, 1);
        else if (mpz_sgn(n) > 0)
          set_zero(result);
        else
          throw exc::division_by_zero_error();
      }
  }

References mCharac, mModulus, result(), set_from_long(), and set_zero().