// main() calls both findDistance() and test() correctly so they don't need to be shown.
// Note: This is only a section of the full code as it is the only relevant part.

double findDistance(float x1, float y1, float x2, float y2) {
    double distanceTotal = sqrt( pow( 2, (x2-x1) ) + pow( 2, (y2-y1 ))); // This line doesn't work with assert values.
    //double distanceTotal = (x2-x1) + (y2-y1); // This line works with assert values.
    return distanceTotal;
}

void test() {
    assert(findDistance(4, 3, 5, 1) - 2.23607 <= epsilon); // Need to use assert two more times. Look it up.
    assert(findDistance(2, 4, 2, 4) <= 1.00);
    assert(findDistance(4, 4, 4, 4) <= 1.00);

    cout << "all tests passed..." << endl;
}