jhPrimeminer primes/s with average

    double primesPerSecondSum = 0.0;
    double primesPerSecondCount = 0.0;
    while( true )
    {
        // query new work
        jhMiner_queryWork_primecoin();
        // calculate stats every second tick
        if( loopCounter&1 )
        {
            // ...
            if( workData.dataIsValid )
            {
                primesPerSecondSum += primesPerSecond;
                primesPerSecondCount += 1.0;
                printf("primes/s: %d / %d, best difficulty: %f\n", (sint32)primesPerSecond, (sint32)(primesPerSecondSum / primesPerSecondCount),(float)primeDifficulty);
            }
        }
        // ...
    }