File: divides.pass.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (46 lines) | stat: -rw-r--r-- 1,326 bytes parent folder | download | duplicates (22)
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
41
42
43
44
45
46
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS

// <functional>

// divides

#include <functional>
#include <type_traits>
#include <cassert>

#include "test_macros.h"

int main(int, char**)
{
    typedef std::divides<int> F;
    const F f = F();
#if TEST_STD_VER <= 17
    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), "" );
#endif
    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

  return 0;
}