power()

void M2::ARingZZp::power ( elem & result, elem a, int n ) const

inline

Definition at line 291 of file aring-zzp.hpp.

  {
    if (a != 0)
      {
        result = (a * n) % p1;
        if (result <= 0) result += p1;
      }
    else
      {
        // a == 0
        if (n == 0) result = p1; // the element 1 in this ring.
        else if (n > 0) result = 0;
        else throw exc::division_by_zero_error();
      }
  }

References p1, and result().

Referenced by power_mpz().