10 static constexpr uint8_t val = LOG2(42);
11 static constexpr uint8_t val64 = LOG2(42 + BIT64(32));
15 	return LOG2(x);  in log2()
20 	zassert_equal(-1, LOG2(0));  in ZTEST()
21 	zassert_equal(0, LOG2(1));  in ZTEST()
22 	zassert_equal(1, LOG2(2));  in ZTEST()
23 	zassert_equal(1, LOG2(3));  in ZTEST()
24 	zassert_equal(2, LOG2(4));  in ZTEST()
25 	zassert_equal(2, LOG2(5));  in ZTEST()
26 	zassert_equal(31, LOG2(BIT(31)));  in ZTEST()
27 	zassert_equal(31, LOG2(BIT(31) + 1));  in ZTEST()
28 	zassert_equal(31, LOG2(UINT32_MAX));  in ZTEST()
29 	zassert_equal(32, LOG2(BIT64(32)));  in ZTEST()
30 	zassert_equal(62, LOG2(BIT64(63) - 1));  in ZTEST()
31 	zassert_equal(63, LOG2(BIT64(63)));  in ZTEST()
32 	zassert_equal(63, LOG2(BIT64(63) + 1));  in ZTEST()
33 	zassert_equal(63, LOG2(UINT64_MAX));  in ZTEST()