1 // { dg-options "-std=gnu++11" }
2 // { dg-require-cstdint "" }
3
4 // 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
5
6 // Copyright (C) 2008-2016 Free Software Foundation, Inc.
7 //
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
12 // any later version.
13
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18
19 // You should have received a copy of the GNU General Public License
20 // along with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
22
23 #include <ratio>
24 #include <testsuite_hooks.h>
25
26 typedef std::ratio<1, INTMAX_MAX> one_over_max;
27 typedef std::ratio<2, INTMAX_MAX> two_over_max;
28 typedef std::ratio<INTMAX_MAX, 1> max_over_one;
29 typedef std::ratio<INTMAX_MAX, 2> max_over_two;
30
31 void
test01()32 test01()
33 {
34 bool test __attribute__((unused)) = true;
35
36 std::ratio_add<one_over_max, one_over_max>::type r1;
37
38 VERIFY( r1.num == two_over_max::num);
39 VERIFY( r1.den == two_over_max::den);
40
41 std::ratio_add<
42 std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
43 std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
44
45 VERIFY( r2.num == INTMAX_MAX );
46 VERIFY( r2.den == (INTMAX_MAX / 2) + 1 );
47 }
48
49 void
test02()50 test02()
51 {
52 bool test __attribute__((unused)) = true;
53
54 std::ratio_subtract<one_over_max, one_over_max>::type r1;
55
56 VERIFY( r1.num == 0);
57 VERIFY( r1.den == 1);
58
59 std::ratio_subtract<
60 std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
61 std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
62
63 VERIFY( r2.num == 1 );
64 VERIFY( r2.den == (INTMAX_MAX / 2) + 1 );
65 }
66
main()67 int main()
68 {
69 test01();
70 test02();
71 return 0;
72 }
73