28  * Test values computed using a spreadsheet from the psuedocode at the bottom:
36 	mean_and_variance_weighted_update(&s, 10);  in mean_and_variance_weighted_test()
37 	KUNIT_EXPECT_EQ(test, mean_and_variance_weighted_get_mean(s), 10);  in mean_and_variance_weighted_test()
50 	mean_and_variance_weighted_update(&s, -10);  in mean_and_variance_weighted_test()
51 	KUNIT_EXPECT_EQ(test, mean_and_variance_weighted_get_mean(s), -10);  in mean_and_variance_weighted_test()
68 	for (i = 10; i <= 100; i += 10)  in mean_and_variance_weighted_advanced_test()
76 	for (i = -10; i >= -100; i -= 10)  in mean_and_variance_weighted_advanced_test()
120 /* Test behaviour with a single outlier, then back to steady state: */
123 	s64 d[]			= { 100, 10, 10, 10, 10, 10, 10 };  in mean_and_variance_test_1()
129 	do_mean_and_variance_test(test, 10, 6, ARRAY_SIZE(d), 2,  in mean_and_variance_test_1()
135 	s64 d[]			= { 100, 10, 10, 10, 10, 10, 10 };  in mean_and_variance_test_2()
136 	s64 mean[]		= {  10, 10, 10, 10, 10, 10, 10 };  in mean_and_variance_test_2()
141 	do_mean_and_variance_test(test, 10, 6, ARRAY_SIZE(d), 2,  in mean_and_variance_test_2()
154 	do_mean_and_variance_test(test, 10, 6, ARRAY_SIZE(d), 2,  in mean_and_variance_test_3()
161 	s64 mean[]		= {  10,  11,  12,  13,  14 };  in mean_and_variance_test_4()
166 	do_mean_and_variance_test(test, 10, 6, ARRAY_SIZE(d), 2,  in mean_and_variance_test_4()
190 	u128_u a  = u64s_to_u128(0, U64_MAX);  in mean_and_variance_u128_basic_test()  local
196 	KUNIT_EXPECT_EQ(test, u128_hi(u128_add(a, a1)), 1);  in mean_and_variance_u128_basic_test()
197 	KUNIT_EXPECT_EQ(test, u128_lo(u128_add(a, a1)), 0);  in mean_and_variance_u128_basic_test()
198 	KUNIT_EXPECT_EQ(test, u128_hi(u128_add(a1, a)), 1);  in mean_and_variance_u128_basic_test()
199 	KUNIT_EXPECT_EQ(test, u128_lo(u128_add(a1, a)), 0);  in mean_and_variance_u128_basic_test()