BIT_VEC64_TEST_BIT
if (BIT_VEC64_TEST_BIT(o->registry.aprox_match.
bool b_current = !!BIT_VEC64_TEST_BIT(cur, i);
bool b_required = !!BIT_VEC64_TEST_BIT(req, i);
if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) {