a

__global__ void bubble(int arr[]) {
	// algorithm from http://www.algolist.net/Algorithms/Sorting/Bubble_sort
	bool swapped = true;
	int j = 0;
	int tmp;
	while (swapped)
	{
		swapped = false;
		j++;
		for (int i = 0; i < N - j; i++) {
			if (arr[i] > arr[i + 1]) {
				tmp = arr[i];
				arr[i] = arr[i + 1];
				arr[i + 1] = tmp;
				swapped = true;
				printf("%i , %i \n ", arr[i], i);
			}
		}
	}
}