]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/ratio/comparisons/comp2.cc
1 // { dg-options "-std=gnu++0x" }
2 // { dg-require-cstdint "" }
4 // Copyright (C) 2008-2013 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
22 #include <testsuite_hooks.h>
24 static const std::intmax_t M
= INTMAX_MAX
;
29 bool test
__attribute__((unused
)) = true;
31 // No overflow with same denominator
32 VERIFY( (std::ratio_less
<std::ratio
<M
- 2, M
>,
33 std::ratio
<M
- 1, M
>>::value
== 1) );
35 VERIFY( (std::ratio_less
<std::ratio
<M
- 1, M
>,
36 std::ratio
<M
- 2, M
>>::value
== 0) );
38 // No overflow if signs differ
39 VERIFY( (std::ratio_less
<std::ratio
<-M
, M
- 1>,
40 std::ratio
<M
- 1, M
- 2>>::value
== 1) );
42 VERIFY( (std::ratio_less
<std::ratio
<M
- 1, M
- 2>,
43 std::ratio
<-M
, M
- 1>>::value
== 0) );
46 VERIFY( (std::ratio_less
<std::ratio
<M
, M
- 1>,
47 std::ratio
<M
, M
- 2>>::value
== 1) );
49 VERIFY( (std::ratio_less
<std::ratio
<-M
, M
- 1>,
50 std::ratio
<-M
, M
- 2>>::value
== 0) );
52 VERIFY( (std::ratio_less
<std::ratio
<M
- 2, M
- 1>,
53 std::ratio
<M
- 1, M
>>::value
== 1) );