Function check_drop_rate

dpdk/app/test/test_red.c:234–249

* check if drop rate matches drop probability within tolerance */

 *  check if drop rate matches drop probability within tolerance
 */
static int check_drop_rate(double *diff, double drop_rate, double drop_prob, double tolerance)
{
	double abs_diff = 0.0;
	int ret = 1;

	abs_diff = fabs(drop_rate - drop_prob);
	if ((int)abs_diff == 0) {
	        *diff = 0.0;
	} else {
	        *diff = (abs_diff / drop_prob) * 100.0;
	        if (*diff > tolerance) {
	                ret = 0;
	        }
        }
	return ret;
}

/**
 *  check if average queue size is within tolerance