1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // test numeric_limits
11 
12 // float_round_style
13 
14 #include <limits>
15 
16 typedef char one;
17 struct two {one _[2];};
18 
19 one test(std::float_round_style);
20 two test(int);
21 
main()22 int main()
23 {
24     static_assert(std::round_indeterminate == -1,
25                  "std::round_indeterminate == -1");
26     static_assert(std::round_toward_zero == 0,
27                  "std::round_toward_zero == 0");
28     static_assert(std::round_to_nearest == 1,
29                  "std::round_to_nearest == 1");
30     static_assert(std::round_toward_infinity == 2,
31                  "std::round_toward_infinity == 2");
32     static_assert(std::round_toward_neg_infinity == 3,
33                  "std::round_toward_neg_infinity == 3");
34     static_assert(sizeof(test(std::round_to_nearest)) == 1,
35                  "sizeof(test(std::round_to_nearest)) == 1");
36     static_assert(sizeof(test(1)) == 2,
37                  "sizeof(test(1)) == 2");
38 }
39