1 /* { dg-do link } */
2
3 extern int link_error (int);
4
5 #define TEST(FN, VALUE, RESULT) \
6 if (__builtin_##FN (VALUE) != RESULT) link_error (__LINE__);
7
8 int
main(void)9 main (void)
10 {
11 TEST(roundeven, 0, 0);
12 TEST(roundeven, 0.5, 0);
13 TEST(roundeven, -0.5, 0);
14 TEST(roundeven, 6, 6);
15 TEST(roundeven, -8, -8);
16 TEST(roundeven, 2.5, 2);
17 TEST(roundeven, 3.5, 4);
18 TEST(roundeven, -1.5, -2);
19 TEST(roundeven, 3.499, 3);
20 TEST(roundeven, 3.501, 4);
21 TEST(roundeven, __DBL_MAX__, __DBL_MAX__);
22 TEST(roundeven, -__DBL_MAX__, -__DBL_MAX__);
23 TEST(roundeven, __builtin_inf (), __builtin_inf ());
24 TEST(roundeven, -__builtin_inf (), -__builtin_inf ());
25
26 if (!__builtin_isnan (__builtin_roundeven (__builtin_nan (""))))
27 link_error (__LINE__);
28
29 if (__builtin_copysign (1, __builtin_roundeven (-0.5)) != -1)
30 link_error (__LINE__);
31 if (__builtin_copysign (1, __builtin_roundeven (-0.0)) != -1)
32 link_error (__LINE__);
33 if (__builtin_copysign (-1, __builtin_roundeven (0.5)) != 1)
34 link_error (__LINE__);
35 if (__builtin_copysign (-1, __builtin_roundeven (0.0)) != 1)
36 link_error (__LINE__);
37 if (__builtin_copysign (1, __builtin_roundeven (-0.25)) != -1)
38 link_error (__LINE__);
39 if (__builtin_copysign (-1, __builtin_roundeven (0.25)) != 1)
40 link_error (__LINE__);
41 return 0;
42 }
43