Viewing file:  builtin-round-roundeven.c (1.28 KB) -rw-r--r--
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/* { 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;
}
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