| /* { dg-do link } */ |
| |
| extern int link_error (int); |
| |
| #define TEST(FN, VALUE, RESULT) \ |
| if (__builtin_##FN (VALUE) != RESULT) link_error (__LINE__); |
| |
| int |
| main (void) |
| { |
| TEST(roundeven, 0, 0); |
| TEST(roundeven, 0.5, 0); |
| TEST(roundeven, -0.5, 0); |
| TEST(roundeven, 6, 6); |
| TEST(roundeven, -8, -8); |
| TEST(roundeven, 2.5, 2); |
| TEST(roundeven, 3.5, 4); |
| TEST(roundeven, -1.5, -2); |
| TEST(roundeven, 3.499, 3); |
| TEST(roundeven, 3.501, 4); |
| TEST(roundeven, __DBL_MAX__, __DBL_MAX__); |
| TEST(roundeven, -__DBL_MAX__, -__DBL_MAX__); |
| TEST(roundeven, __builtin_inf (), __builtin_inf ()); |
| TEST(roundeven, -__builtin_inf (), -__builtin_inf ()); |
| |
| if (!__builtin_isnan (__builtin_roundeven (__builtin_nan ("")))) |
| link_error (__LINE__); |
| |
| if (__builtin_copysign (1, __builtin_roundeven (-0.5)) != -1) |
| link_error (__LINE__); |
| if (__builtin_copysign (1, __builtin_roundeven (-0.0)) != -1) |
| link_error (__LINE__); |
| if (__builtin_copysign (-1, __builtin_roundeven (0.5)) != 1) |
| link_error (__LINE__); |
| if (__builtin_copysign (-1, __builtin_roundeven (0.0)) != 1) |
| link_error (__LINE__); |
| if (__builtin_copysign (1, __builtin_roundeven (-0.25)) != -1) |
| link_error (__LINE__); |
| if (__builtin_copysign (-1, __builtin_roundeven (0.25)) != 1) |
| link_error (__LINE__); |
| return 0; |
| } |