#include void square(int global_id, int input[], int output[], int count) { int i = global_id; if (i < count) { output[i] = input[i] * input[i]; } } int main(int argc, char** argv) { int global = 4; int input[global]; int output[global]; for(int i = 0; i < global; i++) { input[i] = i; } for(int i = 0; i < global; i++) { square(i, input, output, global); } return 0; }