/* { 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; }