35     int dig = std::numeric_limits<T>::digits;  in test()  local
37     assert(std::countl_zero(T(0)) == dig);  in test()
38     assert(std::countl_zero(T(1)) == dig - 1);  in test()
39     assert(std::countl_zero(T(2)) == dig - 2);  in test()
40     assert(std::countl_zero(T(3)) == dig - 2);  in test()
41     assert(std::countl_zero(T(4)) == dig - 3);  in test()
42     assert(std::countl_zero(T(5)) == dig - 3);  in test()
43     assert(std::countl_zero(T(6)) == dig - 3);  in test()
44     assert(std::countl_zero(T(7)) == dig - 3);  in test()
45     assert(std::countl_zero(T(8)) == dig - 4);  in test()
46     assert(std::countl_zero(T(9)) == dig - 4);  in test()
47     assert(std::countl_zero(T(127)) == dig - 7);  in test()
48     assert(std::countl_zero(T(128)) == dig - 8);  in test()