1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <functional>
10
11 // divides
12
13 #include <functional>
14 #include <type_traits>
15 #include <cassert>
16
17 #include "test_macros.h"
18
main(int,char **)19 int main(int, char**)
20 {
21 typedef std::divides<int> F;
22 const F f = F();
23 static_assert((std::is_same<int, F::first_argument_type>::value), "" );
24 static_assert((std::is_same<int, F::second_argument_type>::value), "" );
25 static_assert((std::is_same<int, F::result_type>::value), "" );
26 assert(f(36, 4) == 9);
27 #if TEST_STD_VER > 11
28 typedef std::divides<> F2;
29 const F2 f2 = F2();
30 assert(f2(36, 4) == 9);
31 assert(f2(36.0, 4) == 9);
32 assert(f2(18, 4.0) == 4.5); // exact in binary
33
34 constexpr int foo = std::divides<int> () (3, 2);
35 static_assert ( foo == 1, "" );
36
37 constexpr double bar = std::divides<> () (3.0, 2);
38 static_assert ( bar == 1.5, "" ); // exact in binary
39 #endif
40
41 return 0;
42 }
43