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