AQue::AQue()
{
    _indexOfFront = 0;
    _size = 0;
    _capacity = 10;
    _theArr = new float[_capacity];
}

AQue::~AQue()
{
    delete [] _theArr;
}

void AQue::pushBack(float value)
{
    int back = (_indexOfFront + _size) % _capacity;
    _theArr[back] = value;
    _size += 1;
}

float &AQue::back()
{
    assert( _size > 0 );
    if( _size == 10 )
        return _theArr[_capacity-1];

    int back = (_indexOfFront + _size) % _capacity;
    return _theArr[back-1];
}

void AQue::popFront()
{
    assert( _size > 0 );
    _indexOfFront = (_indexOfFront + 1) % _capacity;
    _size -= 1;
}

float &AQue::front()
{
    assert( _size > 0 );
    return _theArr[_indexOfFront];
}

int AQue::size()
{
    return _size;
}