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 // <functional>
11
12 // modulus
13
14 #include <functional>
15 #include <type_traits>
16 #include <cassert>
17
18 #include "test_macros.h"
19
main()20 int main()
21 {
22 typedef std::modulus<int> F;
23 const F f = F();
24 static_assert((std::is_same<int, F::first_argument_type>::value), "" );
25 static_assert((std::is_same<int, F::second_argument_type>::value), "" );
26 static_assert((std::is_same<int, F::result_type>::value), "" );
27 assert(f(36, 8) == 4);
28 #if TEST_STD_VER > 11
29 typedef std::modulus<> F2;
30 const F2 f2 = F2();
31 assert(f2(36, 8) == 4);
32 assert(f2(36L, 8) == 4);
33 assert(f2(36, 8L) == 4);
34
35 constexpr int foo = std::modulus<int> () (3, 2);
36 static_assert ( foo == 1, "" );
37
38 constexpr int bar = std::modulus<> () (3L, 2);
39 static_assert ( bar == 1, "" );
40 #endif
41 }
42