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
17template <class T>
18void 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
38template <class T>
39void 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
47struct incomplete_type;
48
49int 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