 		if (choice == 7)
 			return 0;
 		
-		if (choice < 0 || choice > 4)
+		if (choice < 0 || choice > 7)
 			continue;
 			
 		cout << "What number should we find primes up to?";
 		cin >> bound;
+		
+		const dim3 a_blockSize(1024, 1, 1);
+		const dim3 a_gridSize(bound / 1024, 1, 1);
+		const dim3 b_blockSize(32, 32, 1);
+		const dim3 b_gridSize(bound / 1024 / 2, 1, 1);
 		
 		switch (choice)
 		{

	int bound = 0;
	
	bool *primeArray, *findArray;
	const dim3 a_blockSize(1024, 1, 1);
	const dim3 a_gridSize(bound / 1024, 1, 1);
	const dim3 b_blockSize(32, 32, 1);
	const dim3 b_gridSize(bound / 1024 / 2, 1, 1);
	
	clock_t t;
	float total_time;

		
		//checkCudaErrors(cudaMemcpy(validatePrimeArray, primeArray, sizeof(bool) * (bound + 1), cudaMemcpyDeviceToHost));
		
		if (choice >= 3) //If we've run a GPU algorithm
		{
			checkCudaErrors(cudaFree(findArray));
			checkCudaErrors(cudaFree(primeArray));
		}
	}
	return 0;
}
