Home | History | Annotate | Download | only in numeric.limits.members
      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // test numeric_limits
     11 
     12 // denorm_min()
     13 
     14 #include <limits>
     15 #include <cassert>
     16 
     17 template <class T>
     18 void
     19 test(T expected)
     20 {
     21     assert(std::numeric_limits<T>::denorm_min() == expected);
     22     assert(std::numeric_limits<const T>::denorm_min() == expected);
     23     assert(std::numeric_limits<volatile T>::denorm_min() == expected);
     24     assert(std::numeric_limits<const volatile T>::denorm_min() == expected);
     25 }
     26 
     27 int main()
     28 {
     29     test<bool>(false);
     30     test<char>(0);
     31     test<signed char>(0);
     32     test<unsigned char>(0);
     33     test<wchar_t>(0);
     34 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
     35     test<char16_t>(0);
     36     test<char32_t>(0);
     37 #endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
     38     test<short>(0);
     39     test<unsigned short>(0);
     40     test<int>(0);
     41     test<unsigned int>(0);
     42     test<long>(0);
     43     test<unsigned long>(0);
     44     test<long long>(0);
     45     test<unsigned long long>(0);
     46 #ifndef _LIBCPP_HAS_NO_INT128
     47     test<__int128_t>(0);
     48     test<__uint128_t>(0);
     49 #endif
     50     test<float>(__FLT_DENORM_MIN__);
     51     test<double>(__DBL_DENORM_MIN__);
     52     test<long double>(__LDBL_DENORM_MIN__);
     53 }
     54