int main(void) { int x = 0; int i, j; AVLFG state; av_lfg_init(&state, 0xdeadbeef); for (j = 0; j < 10000; j++) { START_TIMER for (i = 0; i < 624; i++) { //av_log(NULL, AV_LOG_ERROR, "%X\n", av_lfg_get(&state)); x += av_lfg_get(&state); } STOP_TIMER("624 calls of av_lfg_get"); } av_log(NULL, AV_LOG_ERROR, "final value:%X\n", x); /* BMG usage example */ { double mean = 1000; double stddev = 53; av_lfg_init(&state, 42); for (i = 0; i < 1000; i += 2) { double bmg_out[2]; av_bmg_get(&state, bmg_out); av_log(NULL, AV_LOG_INFO, "%f\n%f\n", bmg_out[0] * stddev + mean, bmg_out[1] * stddev + mean); } } return 0; }