variance 190 opal/mca/event/libevent2022/libevent/test/test-ratelim.c double variance; variance 337 opal/mca/event/libevent2022/libevent/test/test-ratelim.c variance = total_sq_persec/cfg_n_connections - total_persec*total_persec/(cfg_n_connections*cfg_n_connections); variance 339 opal/mca/event/libevent2022/libevent/test/test-ratelim.c printf(" stddev: %f per second\n", sqrt(variance)); variance 341 opal/mca/event/libevent2022/libevent/test/test-ratelim.c sqrt(variance) > cfg_stddev_tolerance) {