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      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 // type_traits
     11 
     12 // floating_point
     13 
     14 #include <type_traits>
     15 #include "test_macros.h"
     16 
     17 template <class T>
     18 void test_floating_point_imp()
     19 {
     20     static_assert(!std::is_void<T>::value, "");
     21 #if TEST_STD_VER > 11
     22     static_assert(!std::is_null_pointer<T>::value, "");
     23 #endif
     24     static_assert(!std::is_integral<T>::value, "");
     25     static_assert( std::is_floating_point<T>::value, "");
     26     static_assert(!std::is_array<T>::value, "");
     27     static_assert(!std::is_pointer<T>::value, "");
     28     static_assert(!std::is_lvalue_reference<T>::value, "");
     29     static_assert(!std::is_rvalue_reference<T>::value, "");
     30     static_assert(!std::is_member_object_pointer<T>::value, "");
     31     static_assert(!std::is_member_function_pointer<T>::value, "");
     32     static_assert(!std::is_enum<T>::value, "");
     33     static_assert(!std::is_union<T>::value, "");
     34     static_assert(!std::is_class<T>::value, "");
     35     static_assert(!std::is_function<T>::value, "");
     36 }
     37 
     38 template <class T>
     39 void test_floating_point()
     40 {
     41     test_floating_point_imp<T>();
     42     test_floating_point_imp<const T>();
     43     test_floating_point_imp<volatile T>();
     44     test_floating_point_imp<const volatile T>();
     45 }
     46 
     47 struct incomplete_type;
     48 
     49 int main()
     50 {
     51     test_floating_point<float>();
     52     test_floating_point<double>();
     53     test_floating_point<long double>();
     54 
     55 //  LWG#2582
     56     static_assert(!std::is_floating_point<incomplete_type>::value, "");
     57 }
     58